EP0040170A2 - Procédé et appareil pour la fixation d'une plaquette sur un sac en matière plastique - Google Patents

Procédé et appareil pour la fixation d'une plaquette sur un sac en matière plastique Download PDF

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Publication number
EP0040170A2
EP0040170A2 EP81810148A EP81810148A EP0040170A2 EP 0040170 A2 EP0040170 A2 EP 0040170A2 EP 81810148 A EP81810148 A EP 81810148A EP 81810148 A EP81810148 A EP 81810148A EP 0040170 A2 EP0040170 A2 EP 0040170A2
Authority
EP
European Patent Office
Prior art keywords
sealing
plate
lever
plastic
aluminum
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.)
Granted
Application number
EP81810148A
Other languages
German (de)
English (en)
Other versions
EP0040170B1 (fr
EP0040170A3 (en
Inventor
Heinz Kühni
Peter Schwaninger
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.)
Ivers Lee AG
Original Assignee
Ivers Lee AG
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 Ivers Lee AG filed Critical Ivers Lee AG
Publication of EP0040170A2 publication Critical patent/EP0040170A2/fr
Publication of EP0040170A3 publication Critical patent/EP0040170A3/de
Application granted granted Critical
Publication of EP0040170B1 publication Critical patent/EP0040170B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/813—Applying closures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • 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
    • 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
    • Y10T156/1317—Means feeding plural workpieces to be joined
    • 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
    • Y10T156/1317—Means feeding plural workpieces to be joined
    • Y10T156/1322—Severing before bonding or assembling of parts
    • 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
    • Y10T156/1317—Means feeding plural workpieces to be joined
    • Y10T156/1322—Severing before bonding or assembling of parts
    • Y10T156/1339—Delivering cut part in sequence to serially conveyed articles
    • 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
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1702—For plural parts or plural areas of single part
    • Y10T156/1744—Means bringing discrete articles into assembled relationship
    • 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
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1702—For plural parts or plural areas of single part
    • Y10T156/1744—Means bringing discrete articles into assembled relationship
    • Y10T156/1768—Means simultaneously conveying plural articles from a single source and serially presenting them to an assembly station
    • Y10T156/1771—Turret or rotary drum-type conveyor
    • 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
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1702—For plural parts or plural areas of single part
    • Y10T156/1744—Means bringing discrete articles into assembled relationship
    • Y10T156/1768—Means simultaneously conveying plural articles from a single source and serially presenting them to an assembly station
    • Y10T156/1771—Turret or rotary drum-type conveyor
    • Y10T156/1773—For flexible sheets

Definitions

  • the present invention relates to a method for sealing platelets onto plastic bags and to a device for carrying out the method, a use of the method and the product of the method.
  • Plants for the automatic filling of plastic bags with contents are known.
  • a coherent strip consisting of individual plastic bags is removed from a supply roll. fed to a folding device. After folding, the open bags are sealed on two sides and then filled with the individual filling material. After filling, the bags are separated from one another by a cutting device. The separated bags are then sealed on the top side.
  • the problem with these plastic bags is to re-them Use, that is after cutting open, to be able to close again in a simple manner
  • a device for the production of reclosable bags is known from DOS No. 25 43 592.
  • chliessband S is coated by means of an application device with adhesive and glued to the supplied with a drum bags.
  • This device cannot be easily installed in a bag filling system.
  • the application of the closure and the reclosing of the bag are relatively complicated.
  • U.S. Patent No. 3,812,572 there is known a device for attaching dispensing tubes to the side walls of bags. This device is suitable for installation in systems for filling the bags, but here a tube is not attached, but a closure device. From US Pat. No.
  • the device for equipping the plastic bag with the closure piece should be able to be installed in the known filling systems.
  • known systems are said to be able to be separated at the desired location and the device for sealing platelets to be inserted onto the plastic bag.
  • Fig. 1 the sealing unit is shown schematically in front view and in Fig. 2 in side view.
  • the existing system 1 is separated and the sealing unit 2 with the substructure 3 is inserted.
  • the one not shown is in the substructure Control device for the sealing unit 2.
  • the control is pneumatic, with a camshaft controlling the individual pneumatic actuating elements being connected to the existing system.
  • the folded double plastic band 4, from which the bags are cut out at a later station, is fed to the sealing unit via feed rollers 5.
  • the sealing unit essentially comprises a punching device 6, a feeder device designed as a lever 7, a supply roll 8 with aluminum belt 9 and a transport device 10 for the aluminum belt 9 and a sealing device 11.
  • FIGS. 1 and 2 the pneumatic and electrical connections are only partially drawn.
  • the sealing unit 2 is mounted on a carrier 12.
  • the aluminum strip 9 is fed to the punching unit 6 from the supply roll 8 arranged at an angle of preferably 45 °, provided on a disc 13 and wound onto a reel 14.
  • a plate is punched out of the aluminum strip 9, which is passed on in a second step to the arm 15 of the lever 7 which is in the upper position.
  • the lever 7 is provided with two vacuum connections 16, 17 for sucking in the die-cut plate (not shown in FIGS. 1 and 2).
  • the pneumatic lever actuation device 18 With the pneumatic lever actuation device 18, the lever is rotated by 180 ° about the axis 19 after transfer of a punched-out plate and brings the aluminum plate into the plastic bag located in the sealing device 11.
  • the other lever arm 20 is now in front of the punching device 6.
  • the lever 7 is provided with two heating devices 21 and 22 so that the platelets can be preheated before the sealing process in order to keep the sealing process as short as possible in the interest of a high production rate.
  • the connections 23, 24 for the heating devices 21, 22 of the lever 7 are connected to a heating control device 25.
  • the temperature is checked with a thermocouple (not shown) provided on one of the two heating devices 21, 22.
  • the thermocouple is connected to the control unit 25 via a cable 26.
  • a counter-pressure plate 28 Opposite the sealing device 11 there is a counter-pressure plate 28, which is also actuated by a pneumatic cylinder 27 and serves to ensure that the lever arm is not bent during the sealing process.
  • the pressure at about 0.6-second Aufsiegelvorgang is about 10 6 P a.
  • the waste belt remaining after the aluminum plates have been punched out is transported further by two transport rollers 29, 30. These transport rollers 29, 30 are also driven pneumatically by the transport device 10.
  • FIG. 3 shows a detailed side view of the punching and sealing device.
  • the carrier 12 for the punching and sealing device and a holder 31 for the pneumatic actuating device 27 of the counterpressure plate 28 are fastened to a chassis 32.
  • the pneumatic actuating cylinder 33 for the sealing plate 34 is fastened to a vertical holding plate 35 of the carrier 12.
  • a heating device 38 for heating the sealing plate 34 is installed in the sealing plate holder.
  • the sealing plate holder 37 is guided by guide rods 39.
  • the sealing plate holder 37 is arranged spring-loaded, so that an optimal, flat contact with the aluminum plate 40 or. on lever 7 he can follow.
  • the aluminum plate 40 When sealing, the aluminum plate 40 is located on the inner surface of the left side of the plastic bag 41 according to FIG. 3. During the sealing process, the counterpressure plate 28 consisting of a metal stamp 42 and a plastic layer 43 is moved to the left by the pneumatic actuating device 27 according to FIG.
  • Fig. 4 the punching and sealing device is shown in front view.
  • a deflection roller 44 for the aluminum strip 9 can also be seen from this figure.
  • the connecting rod 46 actuated by a pneumatic cylinder-piston unit 45 drives a gearwheel 47.
  • the gear 47 engages in a second gear 48 connected to the roller 29 in a rotationally fixed manner.
  • the rollers 29, 30 have gear wheels 49, 50 at their lower ends, the roller 29 driven by the unit 45 driving the roller 30 via the gear wheels 49, 50.
  • the rollers are held in a frame 51.
  • one roller has a metal surface and the other roller has a rubber surface. It has been shown that with such an arrangement the aluminum strip is fed more uniformly than with two rubber or two metal rollers. With a clamping screw 52, the rollers can be pressed together to the desired extent in order to ensure optimal feeding of the aluminum strip.
  • the pneumatically operated piston 53 is connected to a punching tool 54 and a transport plate 55.
  • a plate 40 is punched out of the aluminum strip 9 using the punch 54, the punch pressing against the die 56.
  • the die-cut plate 40 is transferred to the lever 7 with the aid of the transport plate 55.
  • An outer ring 57 which is concentric with the punching tool, presses on the aluminum strip 9 during punching, the punching tool 54 and the transport plate 55 being moved towards the lever 7 against the force of the springs 58.
  • Spring assemblies 60 are provided on guide rods 59 for damping during the punching process.
  • FIG. 8 shows the plastic bag 41 with the welded-on aluminum plate 40.
  • the long sides of the aluminum plate form an angle of 45 ° with the base of the plastic bag.
  • the plastic bag with the bottom 61 is cut along the dashed line 62.
  • the aluminum plate is bent by approximately 180 ° along the dash-dotted line 63.
  • the individual elements could also be actuated mechanically.
  • An advantage of the sealing device described is that it can be easily installed in existing systems. A production rate of around 40-45 pieces per minute can be achieved. When sealing, a code number or the expiry date can also be stamped on the metal plate. Attaching the aluminum plates to an inner wall of the bag has the advantage that an injury, in particular a fingernail, is excluded. With the aluminum plate described above sealed onto the plastic bag, a reliable way of closing the cut-open plastic bag can be achieved in a simple manner.

Landscapes

  • Making Paper Articles (AREA)
  • Package Closures (AREA)
  • Closing Of Containers (AREA)
EP81810148A 1980-04-15 1981-04-15 Procédé et appareil pour la fixation d'une plaquette sur un sac en matière plastique Expired EP0040170B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH289180A CH643791A5 (de) 1980-04-15 1980-04-15 Verfahren und vorrichtung zum aufsiegeln von plaettchen auf kunststoffbeutel sowie anwendung des verfahrens und erzeugnis des verfahrens.
CH2891/80 1980-04-15

Publications (3)

Publication Number Publication Date
EP0040170A2 true EP0040170A2 (fr) 1981-11-18
EP0040170A3 EP0040170A3 (en) 1981-11-25
EP0040170B1 EP0040170B1 (fr) 1985-02-06

Family

ID=4243920

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81810148A Expired EP0040170B1 (fr) 1980-04-15 1981-04-15 Procédé et appareil pour la fixation d'une plaquette sur un sac en matière plastique

Country Status (5)

Country Link
US (1) US4398990A (fr)
EP (1) EP0040170B1 (fr)
CA (1) CA1160090A (fr)
CH (1) CH643791A5 (fr)
DE (1) DE3168734D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106586515A (zh) * 2017-02-06 2017-04-26 江阴市汇通包装机械有限公司 双上盖装置
CN107458677A (zh) * 2017-07-04 2017-12-12 芜湖纯元光电设备技术有限公司 一种铝塑包装设备用可拆卸式调整装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4586412A (en) * 1984-08-09 1986-05-06 Doboy Packaging Machinery, Inc. Rotary tin-tie cutting mechanism for a packaging machine
CH674192A5 (fr) * 1987-11-10 1990-05-15 Geissler Richard Ag
CN109703104A (zh) * 2019-02-22 2019-05-03 陈爱平 一种用于塑料编织集装袋料口结带的加工装置
CN113290943B (zh) * 2021-05-12 2022-12-16 珠海市鼎胜胶粘塑料环保科技有限公司 一种可降解塑料自封袋塑封条粘贴设备及粘贴工艺

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3181989A (en) * 1962-05-11 1965-05-04 United Carr Inc Snap fastener attaching unit
GB832897A (en) 1957-07-20 1960-04-21 Herman Wang Improvements in and relating to bags and closures therefor
US3237496A (en) * 1964-04-30 1966-03-01 United Carr Inc Fastener attaching device
US3485697A (en) * 1966-12-06 1969-12-23 Cellu Craft Inc Method and apparatus for forming a plastic bag with an integral pouch
US3555764A (en) * 1967-02-01 1971-01-19 Continental Can Co Apparatus and method for securing closures to container bodies
US3794545A (en) * 1972-02-10 1974-02-26 Mobil Oil Corp Tie-band applicator apparatus
US3882999A (en) * 1972-03-09 1975-05-13 Lester R Wellman Opener/re-closer for sealed containers
US3812572A (en) * 1973-02-14 1974-05-28 Gen Films Inc Tube applicator
US3894381A (en) * 1973-06-21 1975-07-15 Inpaco Method and means for attaching fitments to a bag or pouch on a packaging machine
SE7412277L (sv) 1974-09-30 1976-03-31 Esseltepack Ab Forfaringssett och anordning for framstellning av aterforslutbar pase
GB1485774A (en) * 1974-11-14 1977-09-14 Green Shield Trading Stamp Co Applicators for labels sachets and the like
DE2832391C2 (de) * 1978-07-24 1980-04-30 Windmoeller & Hoelscher, 4540 Lengerich Vorrichtung zum Aufbringen von Bahnabschnitten auf ein flachliegendes Werkstück

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106586515A (zh) * 2017-02-06 2017-04-26 江阴市汇通包装机械有限公司 双上盖装置
CN107458677A (zh) * 2017-07-04 2017-12-12 芜湖纯元光电设备技术有限公司 一种铝塑包装设备用可拆卸式调整装置

Also Published As

Publication number Publication date
US4398990A (en) 1983-08-16
EP0040170B1 (fr) 1985-02-06
CH643791A5 (de) 1984-06-29
DE3168734D1 (en) 1985-03-21
CA1160090A (fr) 1984-01-10
EP0040170A3 (en) 1981-11-25

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