CA2085184C - Tete de soufflage servant a fabriquer une pellicule tubulaire a partir d'une resine synthetique thermoplastique - Google Patents

Tete de soufflage servant a fabriquer une pellicule tubulaire a partir d'une resine synthetique thermoplastique Download PDF

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Publication number
CA2085184C
CA2085184C CA002085184A CA2085184A CA2085184C CA 2085184 C CA2085184 C CA 2085184C CA 002085184 A CA002085184 A CA 002085184A CA 2085184 A CA2085184 A CA 2085184A CA 2085184 C CA2085184 C CA 2085184C
Authority
CA
Canada
Prior art keywords
air
tubular film
synthetic resin
film
external
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.)
Expired - Lifetime
Application number
CA002085184A
Other languages
English (en)
Other versions
CA2085184A1 (fr
Inventor
Fritz Achelpohl
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
Priority claimed from DE4207439A external-priority patent/DE4207439B4/de
Application filed by Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of CA2085184A1 publication Critical patent/CA2085184A1/fr
Application granted granted Critical
Publication of CA2085184C publication Critical patent/CA2085184C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B29C48/25—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
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92923—Calibration, after-treatment or cooling zone

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
CA002085184A 1991-12-12 1992-12-11 Tete de soufflage servant a fabriquer une pellicule tubulaire a partir d'une resine synthetique thermoplastique Expired - Lifetime CA2085184C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DEP4140990.6 1991-12-12
DE4140990 1991-12-12
DEP4207439.8 1992-03-09
DE4207439A DE4207439B4 (de) 1991-12-12 1992-03-09 Folienblaskopf zur Herstellung von Schlauchfolien aus thermoplastischem Kunststoff

Publications (2)

Publication Number Publication Date
CA2085184A1 CA2085184A1 (fr) 1993-06-13
CA2085184C true CA2085184C (fr) 2003-10-21

Family

ID=25910014

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002085184A Expired - Lifetime CA2085184C (fr) 1991-12-12 1992-12-11 Tete de soufflage servant a fabriquer une pellicule tubulaire a partir d'une resine synthetique thermoplastique

Country Status (3)

Country Link
JP (1) JPH0771817B2 (fr)
CA (1) CA2085184C (fr)
IT (1) IT1260330B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102166819A (zh) * 2011-01-24 2011-08-31 湖北恒泰橡塑有限公司 吹膜机膜厚精密控制装置
CN120620627B (zh) * 2025-08-13 2025-10-31 浙江鹏翔精机制造有限公司 一种吹膜机模头风环机构

Also Published As

Publication number Publication date
ITBZ920049A1 (it) 1994-05-18
IT1260330B (it) 1996-04-05
ITBZ920049A0 (it) 1992-11-18
JPH05237918A (ja) 1993-09-17
CA2085184A1 (fr) 1993-06-13
JPH0771817B2 (ja) 1995-08-02

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Effective date: 20121211