CA2142179A1 - Method and apparatus for cooling the tubular web of a thermoplastic synthetic melt extruded from a film blowing head - Google Patents

Method and apparatus for cooling the tubular web of a thermoplastic synthetic melt extruded from a film blowing head

Info

Publication number
CA2142179A1
CA2142179A1 CA002142179A CA2142179A CA2142179A1 CA 2142179 A1 CA2142179 A1 CA 2142179A1 CA 002142179 A CA002142179 A CA 002142179A CA 2142179 A CA2142179 A CA 2142179A CA 2142179 A1 CA2142179 A1 CA 2142179A1
Authority
CA
Canada
Prior art keywords
air flow
cooling
cooling air
temperature
ring
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.)
Abandoned
Application number
CA002142179A
Other languages
English (en)
French (fr)
Inventor
Klemens Sensen
Gerd Kasselmann
Gunter Schmitt
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of CA2142179A1 publication Critical patent/CA2142179A1/en
Abandoned 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/885—External treatment, e.g. by using air rings for cooling tubular films
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
CA002142179A 1994-02-21 1995-02-09 Method and apparatus for cooling the tubular web of a thermoplastic synthetic melt extruded from a film blowing head Abandoned CA2142179A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4405464.5 1994-02-21
DE4405464A DE4405464C1 (de) 1994-02-21 1994-02-21 Verfahren und Vorrichtung zur Kühlung des aus einem Folienblaskopf extrudierten Schlauches aus thermoplastischer Kunststoffschmelze

Publications (1)

Publication Number Publication Date
CA2142179A1 true CA2142179A1 (en) 1995-08-22

Family

ID=6510756

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002142179A Abandoned CA2142179A1 (en) 1994-02-21 1995-02-09 Method and apparatus for cooling the tubular web of a thermoplastic synthetic melt extruded from a film blowing head

Country Status (9)

Country Link
JP (1) JPH07251449A (da)
CA (1) CA2142179A1 (da)
CZ (1) CZ302894A3 (da)
DE (1) DE4405464C1 (da)
DK (1) DK18695A (da)
FR (1) FR2716404A1 (da)
GB (1) GB2286555A (da)
HU (1) HUT71306A (da)
IT (1) IT1282297B1 (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2289432B (en) * 1994-05-18 1998-06-17 Windmoeller & Hoelscher A film blowing head for producing tubular film webs of a thermoplastic synthetic material
DE19821856A1 (de) * 1998-05-15 1999-11-25 Lean Tec Entwicklungs Gmbh Verfahren zur Herstellung von Blasfolien sowie Einrichtung zur Durchführung des Verfahrens
EP0975132A1 (en) * 1998-07-20 2000-01-26 Alcatel Telecommunication system comprising at least a mobile phone and at least a camera unit
EP3088159B1 (de) * 2015-04-29 2021-08-11 Kdesign GmbH Kühlring und verfahren zur aussenkühlung einer schlauchfolie aus thermoplastischem kunststoff bei deren herstellung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57210823A (en) * 1981-06-22 1982-12-24 Sumitomo Chem Co Ltd Cooling method and apparatus for thermoplastic resin film or sheet like object
US4626397A (en) * 1984-10-29 1986-12-02 Union Camp Corporation Method for controlled orientation of extruded resins
US4606879A (en) * 1985-02-28 1986-08-19 Cerisano Frank D High stalk blown film extrusion apparatus and method
US5288219A (en) * 1991-03-25 1994-02-22 Battenfeld Gloucester Engineering Co., Inc. Air ring for controlling blown film thickness

Also Published As

Publication number Publication date
DK18695A (da) 1995-08-22
IT1282297B1 (it) 1998-03-16
FR2716404A1 (fr) 1995-08-25
HUT71306A (en) 1995-11-28
GB2286555A (en) 1995-08-23
ITBZ950007A1 (it) 1996-08-10
HU9500256D0 (en) 1995-03-28
CZ302894A3 (en) 1995-11-15
DE4405464C1 (de) 1995-01-12
JPH07251449A (ja) 1995-10-03
ITBZ950007A0 (it) 1995-02-10
GB9425597D0 (en) 1995-02-15

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Legal Events

Date Code Title Description
FZDE Discontinued