JPH02180123A - 熱可塑性フイルムのヒートシール装置 - Google Patents

熱可塑性フイルムのヒートシール装置

Info

Publication number
JPH02180123A
JPH02180123A JP1270516A JP27051689A JPH02180123A JP H02180123 A JPH02180123 A JP H02180123A JP 1270516 A JP1270516 A JP 1270516A JP 27051689 A JP27051689 A JP 27051689A JP H02180123 A JPH02180123 A JP H02180123A
Authority
JP
Japan
Prior art keywords
heat
tube
film
jaws
sealing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1270516A
Other languages
English (en)
Inventor
Kevin Bergevin
ケビン・バージエビン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DuPont Canada Inc
Original Assignee
DuPont Canada Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DuPont Canada Inc filed Critical DuPont Canada Inc
Publication of JPH02180123A publication Critical patent/JPH02180123A/ja
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
    • B29C65/221—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip
    • B29C65/224—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip being a resistive ribbon, a resistive band or a resistive strip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
    • B29C65/221—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip
    • B29C65/226—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip characterised by the cross-section of said heated wire, resistive ribbon, resistive band or resistive strip, e.g. being triangular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • B29C65/743—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc
    • B29C65/7433—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc the tool being a wire
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/004—Preventing sticking together, e.g. of some areas of the parts to be joined
    • B29C66/0042—Preventing sticking together, e.g. of some areas of the parts to be joined of the joining tool and the parts to be joined
    • B29C66/0044—Preventing sticking together, e.g. of some areas of the parts to be joined of the joining tool and the parts to be joined using a separating sheet, e.g. fixed on the joining tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/006—Preventing damaging, e.g. of the parts to be joined
    • B29C66/0062—Preventing damaging, e.g. of the parts to be joined of the joining tool, e.g. avoiding wear of the joining tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/349—Cooling the welding zone on the welding spot
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/812—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/8122—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the composition of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81427—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/81457—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a block or layer of deformable material, e.g. sponge, foam, rubber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8187—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the electrical insulating constructional aspects
    • B29C66/81871—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the electrical insulating constructional aspects of the welding jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B29C66/83221—Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/849—Packaging machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
    • B65B51/30—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/38—Impulse heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7841—Holding or clamping means for handling purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/004—Preventing sticking together, e.g. of some areas of the parts to be joined
    • B29C66/0046—Preventing sticking together, e.g. of some areas of the parts to be joined by the use of a lubricant, e.g. fluid, powder
    • B29C66/00461—Preventing sticking together, e.g. of some areas of the parts to be joined by the use of a lubricant, e.g. fluid, powder being liquid, e.g. oil based
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/349—Cooling the welding zone on the welding spot
    • B29C66/3492—Cooling the welding zone on the welding spot by means placed on the side opposed to the welding tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72321—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of metals or their alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7234—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a barrier layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81421—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave
    • B29C66/81422—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave being convex
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8183—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the thermal conducting constructional aspects
    • B29C66/81831—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the thermal conducting constructional aspects of the welding jaws
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1313—Cutting element simultaneously bonds [e.g., cut seaming]

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 本発明は、流動性材料、例えば液体で充填された袋を作
製するために、そして特に所謂垂直形成充填機械におい
て作製されたパウチに使用されるヒートシール装置に関
する。
所謂垂直形成充填機械（ｖｅｒｔｉｃａｌ　　ｆｏｒｍ
　ａｎｄｆｉｌｌ　ｍａｃｈｉｎｅ）において、流動性
材料、例えばミルクを包装することは良く知、られてい
る。そのような機械を使用して、熱可塑性合成フィルム
の平坦なウェブが、ロールから巻きほどかれ、そして所
謂ラップ・シール（ｌａｐ　５ｅａｌ）又はフィン・シ
ール（ｆｉｎ　５ｅａｌ）を形成するためにフィルムの
縦縁を一緒にシールすることによって、チューブ形成部
署において連続チューブに形成される。こうして形成さ
れたチューブは、垂直下方に充填部署へと引かれる。そ
れからチューブは、チューブの横断面で圧し潰され、断
面の位置は充填部署の下方のシール装置に置かれる。横
断方向のヒートシールが、チューブの圧し潰された部分
においてシール装置によってなされ、こうしてチューブ
を横切る気密シールを形成する。シール装置は、一般に
、一対のあごを具備する。横断方向のシールを作製した
後、そしてシール装置のあごが開かれる前に、包装され
る成る量の材料、例えば液体が、充填部署においてチュ
ーブに入れられ、そして前述の横断方向のシールの上方
でチューブを満たす。それからチューブは、所定距離だ
け下方に移動させられる。このような移動は、チューブ
内の材料の重量の影響によるものとすることができ、あ
るいはチューブを引っ張るか又は機械的に駆動すること
により行うことができる。シール装置のあごは、再び閉
じられ、こうして第２の横断部分においてチューブを圧
し潰す。第２の横断部分は管における空気／材料界面の
上方、通常すぐ上方とすることができ、あるいは第２の
横断部分は空気／材料界面の下方とすることができる。
シール装置は、第２の横断部分において横断してチュー
ブをシールしそして切断する。こうしてチューブの材料
充填部分は、枕の形状の袋の形式である。このように、
シール装置は、充填された袋の頂部と、次に形成される
袋の底部とを、すべて１回の動作でシールする。上記の
形式の１つの垂直形成充填機械は、商標ＰＲＥＰＡＣの
下で販売されている。他の幾つかの機械では、シール装
置は、第２の横断部分において管を切断せず、続く部分
で切断する。
多年にわたって、ミルクは、垂直形成充填機械で作製さ
れた袋に包装されてきた。そのような袋は家庭消費者に
販売され、使用時、そのようなミルクを充填した袋は、
開口水差し内に置かれる。
近年、そのような袋は、他の流動食料品、マヨネーズ、
サラダドレッシング、保存食品等を包装するために使用
されてきている。そのような食料品を含む袋は、「組織
化された」購買者、例えばレストランに通常販売される
。
一般に使用されるシール装置は、所謂「インパルス・シ
ーラー」であり、この場合、電流は、動作の間のサイク
ル時間の一部分のみシール要素を通って流れる。インパ
ルス・シーラーは、丸いワイヤ、例えば、直径２．１６
ｍｍ乃至２．２９ｍｍ程度の「ピアノ」線とすることが
でき、水冷式支持あごから電気的に絶縁される。電気イ
ンパルスがインパルス・シーラーに送られた後、シール
あごが開放されそして底部シールが袋中の流動材料の重
量を支持する前に、シールが部分的に凝固する冷却期間
がある。上記のような丸いワイヤのインパルス・シーラ
ーは、ミルク、水又は他の非常に水のような製品のよう
な液体を包装するとき、形成充填機械に対して満足すべ
きものである。これらの液体は比較的高い熱伝導率を有
し、そしてこのため、シール用あごが開放された後シー
ルの冷却を補助する。即ち、液体の重量が底部シールを
弱めあるいは破断する前に、シールにおける液体の冷却
効果が働く。そのような丸いワイヤのインパルス・シー
ラーは、マヨネーズ、ドレッシング、ジャム等のような
流動性材料を包装するとき、形成充填機械において満足
すべきものでない。例えば、１９７２年９月１９日に発
行されたＲ、Ｅ。
ベダーンンへの米国特許第３．６９２．６１３号に開示
されたような他の種類のシーラーが公知である。非粘着
材料、例えば、ポリテトラフルオロエチレンを含浸させ
たガラス繊維テープでヒートシール要素を覆い、そして
ヒートシール工程中にヒートシール要素と接触状態にな
るあごの上で同様のテープを使用することが一般に行わ
れている。
そのようなテープの機能は、溶融又は半溶融ポリマーが
ヒートシール要素又はあごに付着する可能性を最少にす
ることである。ヒートシール装置の繰り返された動作か
ら生ずる熱劣化のために、あごとヒートシール要素の上
にテープの新しい断片を置くことが、時おり必要である
。この問題は、袋の材料に積層体を使用するとき、特に
強調される。というのは、そのような材料を熱的に切断
するために高い温度を必要とするからである。本発明は
、この問題を緩和することに向けられている。
従って、本発明は、熱可塑性フィルムの少なくとも２つ
の層をシールしそして同時に切断する装置を提供し、こ
の装置は、一対のシール用あごとあごを閉じる手段とを
含み、該第１のあごはその上に取付けられた電気インパ
ルス・シール要素を有し、該ヒートシール要素は離型シ
ートで覆われており、該第２のあごはその上に取付けら
れた弾性パッドを有し、該弾性パッドは離型シートで覆
われており、弾性パッドと、該パッドを覆う離型・−ト
との間に熱を分散させるホイルがあることを特徴とする
。
好ましい実施態様において、熱を分散させるホイルは、
ニッケル又はニッケル合金から作られる。
−層の実施態様において、剥離シートは、ポリテトラフ
ルオロエチレンを含浸させた織りガラス繊維テープから
作られる。
本発明の実施態様を、添付の図面と共に説明する。
第１図は、形成充填機械（図示されていない）に取り付
けられた一対のシール用あご１１と１２を示す。両方の
あごは、矢印ＡとＢで示された方向に移動することがで
きる。あご１１は縦溝１３を有し、縦溝１３に締め付は
ゴム１４が位置する。
あご１１の面２４に、ＴＥＦＬＯＮ　（商標）ポリテト
ラフルオロエチレンを含浸した織りガラス繊維布Ｉ５が
配置され、ガラス繊維布１５はあごの金属とヒートシー
ル要素１６の間の電気絶縁体として作用する。ヒートシ
ール要素１６は、電気インパルス供給装置（図示されて
いない）に接続されている。ヒートシール要素１６は、
ＴＥＦＬＯＮポリテトラフルオロエチレンを含浸させた
他の織りガラス繊維布１７によって更に覆われる。あご
１２は縦溝１８を有し、縦溝１８にシリコーンゴム・パ
ッド１９が配置される。ノく・ンド１９の面上に、熱を
分散させるホイル２０が取り付けられ、ホイル２０はＴ
ＥＦＬＯＮポリテトラフルオ９エチレンを含浸させた織
りガラス繊維布２１によって覆われている。
動作中、あご１１と１２は、第１図に示されたように離
れてスタートする。熱可塑性フィルムチューブ２５を、
あご１１と１２の間を通過させる。
チューブ２５は、あご１１と１２が互ｌ／１に接近させ
られるとき、横断方向に圧し潰される。第１図は、チュ
ーブ２５が圧し潰されると、き、チューブ２５の背中合
わせのフィルム表面２２と２３を断面にて示す。あご１
１と１２が閉じるとき、チューブ２５は、締め付はゴム
１４とあご１２のアンピノｂ（ａｎｖｉｌ）部分２６と
の間で締め付けられる。
同時に、フィルム表面２２と２３は、ヒートシール要素
１６によりシリコーンゴム・パッド１９に及ぼされた圧
力によって、布１７と２１の間でトラップされる。電気
インパルスが、ヒートシール要素１６を通じて送られ、
熱がフィルム表面２２と２３をヒートシールし同時に切
断するように十分に、ヒートシール要素を加熱する。そ
れから電気インパルスはオフにされ、ヒートシール要素
１６とシール及び切断されたチューブが十分冷却され、
シールを「凝固」させる。それからあごは、フィルムを
解放するために、分離させられる。こうして形成された
シールは、シールされた袋の頂部７−ルと、次に形成さ
れる袋の底部シールである。布１５の目的は、金属あご
１１とヒートシール要素１６の間に電気絶縁を与えるこ
とである。
布１７と２１は、フィルム表面が、シール及び切断工程
中とシール及び切断工程後に、ヒートシル装置のいかな
る部分にも付着しないことを確実なものとする。熱を分
散させるホイル２０は、ンリコーンゴム・パッド１９の
熱劣化をかなり減少させ、布１７と２１の熱劣化を減少
させ、そしてそれらの使用寿命を長くさせる。熱を分散
させるホイル２０は又、ポリエチレン・フィルム／エチ
レン−ビニールアルコール共重合体フィルム／ポリエチ
レン・フィルム、ポリエチレン・フィルム／ナイロン・
フィルム／ポリエチレン・フィルム、ポリエチレン・フ
ィルム／メタライズポリエステル・フィルム／ポリエチ
レン・フィルム等のようなフィルム積層体からチューブ
が作製されるとき、特にチューブにおけるシールを冷却
する補助をする。
熱を分散させるホイルを、可鍛性で耐久性の金属から作
ることができる。ニアケル又は二・ｌケル合金が耐久性
と柔軟性のために好ましい。アルミニュームは、使用に
おいてかなり急速に亀裂する傾向があるために適さない
。
本発明のホイルは、あごとヒートシール要素の多数の他
の構成で使用することができることが理解されよう。
本発明を、以下の実施例を参照して更に示す。
実施例　ｌ 第２図に示す断面を有する細片を具備したヒートシール
要素は、幅２．０３２ｍｍ、長さ２２０ｍｍ％最も厚い
ところで厚さ５０８μｍ、最も薄いところで約厚さ１５
２μｍであり、ＴＯＰＨＥＴ　　Ａ（商標）ニッケル・
クロム合金から作製され、ＰＲＦＰＡＣ（商標）Ｉｓ−
３の形成充填機械の幅２２０ｍｍの前方あご上に設置し
た。ヒートシール要素を、ポリテトラフルオロエチレン
を含浸させた幅１９ｍｍの接着剤裏当て付きガラス繊維
織り布により、あごから電気的に絶縁した。
長さ２２０ｍｍのシリコーンゴム・パラドラ、機械の後
方あごに設置した。ゴム・バンドとヒート／−ル要素の
両方を、ポリテトラフルオロエチレンを含浸させた’ｌ
’１１９ｍｍのガラス繊維織り布で覆った。
１８００ｇの水を含む長さ３０ｃｍの袋を、５Ｉ　μｍ
５ｃＬＡ　Ｔ　ＲＦ　Ｉ　ＬＭ　（商標）ポリエチレン
・フィルム／２５μｍＤＡＲＴＥＫ　（商標）ナイロン
・フィルム１５１μｍ５ｃＬＡＩＲＦ　ＩＬＭポリエチ
レン・フィルムかう成ルフィルム積層体を使用して、機
械にて生産した。生産したフィルムのチューブは、周囲
が約３６４ｍｍ（平らに置いたとき長さ１８２ｍｍ）で
あった。袋を、毎分２５袋の割合で生産した。約５分の
作動後、含浸させた布は激しく燃焼し、そしてシリコー
ンゴム・パッドは燃焼した溝を含んでいた。これらの溝
は、ゴム・バンドの端部において最も激しかったが、数
ミリメートル、シールゾーンに延びていた。フィルムチ
ューブは、「ヒートシンク」として作用するように見え
、その結果、フィルムが含浸した布と接触した部分は、
含浸した布とフィルムの接触のない部分よりも少ない影
響しか受けなかった。フィルムチューブがヒートシール
装置の幅を横切って振動する傾向、及び垂直ヒートシー
ルの重なりは幅が変化しこうしてフィルムチューブの幅
を変化させる傾向のために、要素の長さはフィルムチュ
ーブの幅よりも長くなければならず、前述の溝は時間と
共に深くかつ長くなる傾向がある。そのような溝は、フ
ィルムチューブの横断ヒートシンクを劣化させるであろ
う。
この実施例のヒートシール装置は、本発明の範囲内にな
く、そして比較目的のために含ませた。
実施例　２ 実施例Ｉにおいて使用したヒートシール装置を、シリコ
ーンゴム・パッドと含浸した布との間に幅ｆ２．５ｍｍ
、長さ２２０ｍｍ１厚さ７５袋ｍのニアケル・ホイルの
挿入によって修正した。袋を毎分２５袋の割合で生産し
た。含浸させた布の劣化の程度は、５分後に極めて黒く
なったが、減少された。しかし、シリコーンゴム・パッ
ドは、全く損傷を受けなかった。これは、本発明のヒー
トシール装置の優越性を示す。
本発明の主なる特徴及び態様は以下のとおりである。
１、一対のシール用あごと、あごを閉じる手段とを含み
、該第１のあごはその上に取付けられｔ：電気インパル
ス・シール要素を有し、該ヒートシール要素は離型ノー
トで覆われ、該第２のあごはその上に取付けられた弾性
パッドを有し、該弾性バンドは離型ノートで覆わＪ’し
ている、熱可塑性フィルムの少なくとも２つの層をシー
ルし同時に切断する装置であって、弾性パッドと、該パ
ッドを覆う離型シートとの間に熱を分散させるホイルが
あることを特徴とする装置。
２、熱を分散させるホイルは、ニアケル又はニッケル合
金から作られる上記１に記載の装置。
３、離型シートは、ポリテトラフルオロエチレンを含浸
させた織りガラス繊維テープから作られる上記ｌに記載
の装置。
４、ｌｉａ型シートは、ポリテトラフルオロエチレンを
含浸させた織りガラス繊維テープから作られる上記２に
記載の装置。
【図面の簡単な説明】
第１図は、本発明の実施態様の断面図。 第２図は、実施例１と２において使用されたヒトシール
要素の断面図。 図中、１１．＋２・・・シール用あご、１３．１８・・
縦溝、１４・・・締め付はゴム、＋５．１７．２Ｉ・・
・ガラス繊維布、１６・・・ヒートシール要素、１９・
・シリコーンゴム・パッド、２０・・・ホイル、２５・
・・チューブ、である。

Claims (1)

    【特許請求の範囲】
  1. 一対のシール用あごと、あごを閉じる手段とを含み、該
    第１のあごはその上に取付けられた電気インパルス・シ
    ール要素を有し、該ヒートシール要素は離型シートで覆
    われ、該第２のあごはその上に取付けられた弾性パッド
    を有し、該弾性パッドは離型シートで覆われている、熱
    可塑性フィルムの少なくとも２つの層をシールし同時に
    切断する装置であって、弾性パッドと、該パッドを覆う
    離型シートとの間に熱を分散させるホイルがあることを
    特徴とする装置。
JP1270516A 1988-12-14 1989-10-19 熱可塑性フイルムのヒートシール装置 Pending JPH02180123A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8829196,8 1988-12-14
GB888829196A GB8829196D0 (en) 1988-12-14 1988-12-14 Heat-sealing device for thermoplastic films

Publications (1)

Publication Number Publication Date
JPH02180123A true JPH02180123A (ja) 1990-07-13

Family

ID=10648491

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1270516A Pending JPH02180123A (ja) 1988-12-14 1989-10-19 熱可塑性フイルムのヒートシール装置

Country Status (6)

Country Link
US (1) US4981546A (ja)
EP (1) EP0373907A1 (ja)
JP (1) JPH02180123A (ja)
CA (1) CA1314800C (ja)
GB (1) GB8829196D0 (ja)
IN (1) IN171447B (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
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JPH04112009U (ja) * 1991-02-08 1992-09-29 トヤマ産機株式会社 溶着装置
JPH09267804A (ja) * 1996-01-30 1997-10-14 Nippon Tetrapack Kk シール装置
JP2015508041A (ja) * 2012-02-10 2015-03-16 パンテック アーゲー 薄いプラスチックフィルムによる包装方法と装置

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DK169597B1 (da) * 1991-02-25 1994-12-19 Weldan A S Evald A Nyborg A S Fremgangsmåde til svejsning af en præge- og/eller svejse- og/eller skillesøm i et eller flere lag materiale indeholdende varmesvejsbart, især termoplastisk plastmateriale, og svejsepresse til udøvelse af fremgangsmåden
US5538590A (en) * 1991-02-26 1996-07-23 Dupont Canada Inc. Sealing element for packaging machines
US5906702A (en) * 1995-02-07 1999-05-25 Precision Dynamics Corporation Method and apparatus for removing profiles
DE19852520A1 (de) * 1998-10-08 2000-04-20 Weckerle Gmbh Tubenverschließvorrichtung
US6544382B2 (en) * 1999-11-15 2003-04-08 Pactiv Corporation Apparatus for high-speed heating and cooling of a polymer
US6719867B1 (en) 2000-01-14 2004-04-13 Robert J. Mileti Heat sealer for thermoplastic films
US6508901B2 (en) 2001-03-16 2003-01-21 Wilson Greatbatch Ltd. Thermo-encapsulating system and method
US7182118B2 (en) * 2003-06-02 2007-02-27 Asm Assembly Automation Ltd. Pick and place assembly for transporting a film of material
NL1026382C2 (nl) * 2004-06-10 2005-12-14 Kappa Packaging Werkwijze, doos, plano en sealinrichting voor het realiseren van een verpakking.
US10279557B2 (en) 2006-01-13 2019-05-07 Cmd Corporation Method and apparatus for making skirtless seals
US7445590B2 (en) * 2006-01-13 2008-11-04 Cmd Corporation Method and apparatus for making bags
US8029428B2 (en) * 2006-01-13 2011-10-04 Cmd Corporation Method and apparatus for making skirtless seals
CA2551221A1 (en) * 2006-06-29 2007-12-29 Glopak Inc. Sealing jaw with a triangular-like profiled passive jaw
WO2008058389A1 (en) * 2006-11-17 2008-05-22 Liqui-Box Canada Inc. A reslilient backing member for use with an impusle heating element
US20140116002A1 (en) * 2012-10-26 2014-05-01 Illinois Tool Works Inc. Protective body, heat sealing system that includes the protective body, and method for providing the protective body
US9409345B1 (en) * 2015-09-22 2016-08-09 Dennis Bibeau Method and apparatus for forming vinyl window corners
IT201800005876A1 (it) * 2018-05-30 2019-11-30 Apparecchiatura e procedimento per la realizzazione di contenitori
KR102197733B1 (ko) * 2020-06-30 2020-12-31 (주)에스피엠 스틱형 포장제품의 열 접착장치

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04112009U (ja) * 1991-02-08 1992-09-29 トヤマ産機株式会社 溶着装置
JPH09267804A (ja) * 1996-01-30 1997-10-14 Nippon Tetrapack Kk シール装置
JP2015508041A (ja) * 2012-02-10 2015-03-16 パンテック アーゲー 薄いプラスチックフィルムによる包装方法と装置

Also Published As

Publication number Publication date
EP0373907A1 (en) 1990-06-20
IN171447B (ja) 1992-10-17
CA1314800C (en) 1993-03-23
US4981546A (en) 1991-01-01
GB8829196D0 (en) 1989-01-25

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