DE1779198C3 - Verfahren zum Herstellen einer schlauchformigen Verbundfolie - Google Patents

Verfahren zum Herstellen einer schlauchformigen Verbundfolie

Info

Publication number
DE1779198C3
DE1779198C3 DE1779198A DE1779198A DE1779198C3 DE 1779198 C3 DE1779198 C3 DE 1779198C3 DE 1779198 A DE1779198 A DE 1779198A DE 1779198 A DE1779198 A DE 1779198A DE 1779198 C3 DE1779198 C3 DE 1779198C3
Authority
DE
Germany
Prior art keywords
base layer
layer
composite film
cooling
cover layer
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
Application number
DE1779198A
Other languages
German (de)
English (en)
Other versions
DE1779198A1 (de
DE1779198B2 (de
Inventor
Henry George Spartanburg S.C. Schirmer (V.St.A.)
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.)
WR Grace and Co
Original Assignee
WR Grace and Co
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 WR Grace and Co filed Critical WR Grace and Co
Publication of DE1779198A1 publication Critical patent/DE1779198A1/de
Publication of DE1779198B2 publication Critical patent/DE1779198B2/de
Application granted granted Critical
Publication of DE1779198C3 publication Critical patent/DE1779198C3/de
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0013—Extrusion moulding in several steps, i.e. components merging outside the die
    • B29C48/0015—Extrusion moulding in several steps, i.e. components merging outside the die producing hollow articles having components brought in contact outside the extrusion die
    • B29C48/0016—Extrusion moulding in several steps, i.e. components merging outside the die producing hollow articles having components brought in contact outside the extrusion die using a plurality of extrusion dies
    • 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
    • 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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Laminated Bodies (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
DE1779198A 1967-08-11 1968-07-18 Verfahren zum Herstellen einer schlauchformigen Verbundfolie Expired DE1779198C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66004367A 1967-08-11 1967-08-11

Publications (3)

Publication Number Publication Date
DE1779198A1 DE1779198A1 (de) 1971-09-02
DE1779198B2 DE1779198B2 (de) 1979-02-08
DE1779198C3 true DE1779198C3 (de) 1979-10-04

Family

ID=24647889

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1779198A Expired DE1779198C3 (de) 1967-08-11 1968-07-18 Verfahren zum Herstellen einer schlauchformigen Verbundfolie

Country Status (7)

Country Link
US (1) US3567539A (https=)
BE (1) BE715444A (https=)
DE (1) DE1779198C3 (https=)
FR (1) FR1575993A (https=)
GB (2) GB1213682A (https=)
NL (1) NL166639C (https=)
SE (1) SE365978B (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3949042A (en) * 1969-05-09 1976-04-06 Multifol Patentverwertungs Ag Method and apparatus for making laminar plastic sheet material
US3754063A (en) * 1970-03-23 1973-08-21 Grace W R & Co Method for casting an inflated tubular polyethylene film with mixed polymer of polypropylene-polybutene-1
DE2114065C2 (de) * 1971-03-23 1982-08-19 Heinrich Pannenbecker Verfahren zur Herstellung von Folien aus thermoplastischen Kunststoffen mit Klebereigenschaft
US3953557A (en) * 1971-03-30 1976-04-27 W. R. Grace & Co. Polymer film with narrow molecular weight distribution and saran and laminates thereof
US4496516A (en) * 1982-08-09 1985-01-29 W. R. Grace & Co., Cryovac Div. Process for forming oriented multi-layer films having a different orientation distribution between layers
US4606922A (en) * 1983-04-21 1986-08-19 W. R. Grace & Co., Cryovac Div. Cook-in meat packaging
US4997690A (en) * 1984-12-03 1991-03-05 Viskase Corporation Irradiated multilayer film for primal meat packaging
US7052753B1 (en) 1985-05-16 2006-05-30 Pechiney Emballage Flexible Europe Multiple layer polymeric films and process for making them
US4894107A (en) 1985-05-16 1990-01-16 American National Can Company Process for making multiple layer polymeric films
US10967615B2 (en) 2016-02-15 2021-04-06 Macro Technology Inc. Multilayer barrier film
US11618602B1 (en) * 2022-03-10 2023-04-04 Henry G. Schirmer Process for making pouches having strong transverse shrinkage

Also Published As

Publication number Publication date
NL166639B (nl) 1981-04-15
DE1779198A1 (de) 1971-09-02
DE1779198B2 (de) 1979-02-08
NL166639C (nl) 1981-09-15
FR1575993A (https=) 1969-07-25
GB1213683A (en) 1970-11-25
GB1213682A (en) 1970-11-25
NL6809533A (https=) 1969-02-13
SE365978B (https=) 1974-04-08
US3567539A (en) 1971-03-02
BE715444A (https=) 1968-10-16

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)