CA1008617B - Apparatus for extruding a film of thermoplastic material having longitudinal zones of ing thickness - Google Patents

Apparatus for extruding a film of thermoplastic material having longitudinal zones of ing thickness

Info

Publication number
CA1008617B
CA1008617B CA242,246A CA242246A CA1008617B CA 1008617 B CA1008617 B CA 1008617B CA 242246 A CA242246 A CA 242246A CA 1008617 B CA1008617 B CA 1008617B
Authority
CA
Canada
Prior art keywords
extruding
film
thermoplastic material
longitudinal zones
ing thickness
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
CA242,246A
Inventor
Glenn M Violette
Leon J Paquin
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.)
International Paper Co
Original Assignee
International Paper 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 International Paper Co filed Critical International Paper Co
Application granted granted Critical
Publication of CA1008617B publication Critical patent/CA1008617B/en
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
    • B29C48/03—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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Laminated Bodies (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Making Paper Articles (AREA)
CA242,246A 1968-01-26 1975-12-22 Apparatus for extruding a film of thermoplastic material having longitudinal zones of ing thickness Expired CA1008617B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70096868A 1968-01-26 1968-01-26

Publications (1)

Publication Number Publication Date
CA1008617B true CA1008617B (en) 1977-04-19

Family

ID=24815546

Family Applications (2)

Application Number Title Priority Date Filing Date
CA242,246A Expired CA1008617B (en) 1968-01-26 1975-12-22 Apparatus for extruding a film of thermoplastic material having longitudinal zones of ing thickness
CA242,296A Expired CA1012851A (en) 1968-01-26 1975-12-22 Thermoplastic coated carton and process and apparatus for producing same

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA242,296A Expired CA1012851A (en) 1968-01-26 1975-12-22 Thermoplastic coated carton and process and apparatus for producing same

Country Status (10)

Country Link
JP (1) JPS4933596B1 (en)
BE (1) BE727409A (en)
CA (2) CA1008617B (en)
DE (1) DE1903783C3 (en)
DK (1) DK134470B (en)
FR (1) FR2000798B1 (en)
GB (1) GB1231144A (en)
NL (1) NL6901236A (en)
NO (1) NO137267C (en)
SE (1) SE357696B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5215078A (en) * 1975-07-28 1977-02-04 Masayoshi Saito Ship body
JPS5249600A (en) * 1975-10-15 1977-04-20 Nippon Kokan Kk <Nkk> Method of producing curved construction for hips body or the like
DE3929942A1 (en) * 1989-09-08 1991-03-21 Basf Lacke & Farben METAL PLASTIC COMPOUNDS WITH PROFILED SURFACE, METHOD FOR THE PRODUCTION AND USE OF THE COMPOUNDS FOR THE PRODUCTION OF PACKAGING CONTAINERS
DE4129190A1 (en) * 1991-09-03 1993-03-04 Held Kurt METHOD AND DEVICE FOR THE CONTINUOUS PRODUCTION OF RESIN IMPREGNATED MATERIALS
CN108381892B (en) * 2018-05-18 2023-09-26 山东农业大学 Degradable film blowing machine set
FR3106551B1 (en) 2020-01-28 2022-01-14 Psa Automobiles Sa METHOD FOR MANAGING A DECELERATION PHASE OF A HYBRID-TYPE MOTOR VEHICLE

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2897541A (en) * 1956-12-03 1959-08-04 Nixon Nitration Works Apparatus for extruding sheets with striped pattern
GB1122533A (en) * 1966-10-29 1968-08-07 William Charles Heller Packaging material and method of production

Also Published As

Publication number Publication date
DK134470C (en) 1977-04-25
NL6901236A (en) 1969-07-29
CA1012851A (en) 1977-06-28
SE357696B (en) 1973-07-09
DE1903783C3 (en) 1979-04-12
FR2000798B1 (en) 1973-07-13
NO137267C (en) 1978-02-01
GB1231144A (en) 1971-05-12
DE1903783A1 (en) 1969-11-27
DE1903783B2 (en) 1978-08-10
DK134470B (en) 1976-11-15
NO137267B (en) 1977-10-24
BE727409A (en) 1969-07-24
JPS4933596B1 (en) 1974-09-07
FR2000798A1 (en) 1969-09-12

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