GB9425597D0 - 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
GB9425597D0
GB9425597D0 GBGB9425597.3A GB9425597A GB9425597D0 GB 9425597 D0 GB9425597 D0 GB 9425597D0 GB 9425597 A GB9425597 A GB 9425597A GB 9425597 D0 GB9425597 D0 GB 9425597D0
Authority
GB
United Kingdom
Prior art keywords
cooling
thermoplastic synthetic
melt extruded
film blowing
blowing head
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.)
Withdrawn
Application number
GBGB9425597.3A
Other versions
GB2286555A (en
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 GB9425597D0 publication Critical patent/GB9425597D0/en
Publication of GB2286555A publication Critical patent/GB2286555A/en
Withdrawn legal-status Critical Current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
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films
    • B29C48/913—Cooling of hollow articles of tubular films externally
    • 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

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)
GB9425597A 1994-02-21 1994-12-19 Cooling a tubular thermoplastic web extruded from a film blowing head Withdrawn GB2286555A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4405464A DE4405464C1 (en) 1994-02-21 1994-02-21 Process and apparatus for cooling the parison of thermoplastic melt extruded from a film blowing head

Publications (2)

Publication Number Publication Date
GB9425597D0 true GB9425597D0 (en) 1995-02-15
GB2286555A GB2286555A (en) 1995-08-23

Family

ID=6510756

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9425597A Withdrawn GB2286555A (en) 1994-02-21 1994-12-19 Cooling a tubular thermoplastic web extruded from a film blowing head

Country Status (9)

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

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 (en) * 1998-05-15 1999-11-25 Lean Tec Entwicklungs Gmbh Process for producing blown films and device for carrying out the process
EP0975132A1 (en) * 1998-07-20 2000-01-26 Alcatel Telecommunication system comprising at least a mobile phone and at least a camera unit
EP3088159B1 (en) * 2015-04-29 2021-08-11 Kdesign GmbH Cooling ring and method for externally cooling a tubular film made from thermoplastic in the manufacture of same

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
DE4405464C1 (en) 1995-01-12
ITBZ950007A0 (en) 1995-02-10
HUT71306A (en) 1995-11-28
HU9500256D0 (en) 1995-03-28
JPH07251449A (en) 1995-10-03
DK18695A (en) 1995-08-22
CZ302894A3 (en) 1995-11-15
CA2142179A1 (en) 1995-08-22
IT1282297B1 (en) 1998-03-16
FR2716404A1 (en) 1995-08-25
GB2286555A (en) 1995-08-23
ITBZ950007A1 (en) 1996-08-10

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)