JPS503168A - - Google Patents

Info

Publication number
JPS503168A
JPS503168A JP49038950A JP3895074A JPS503168A JP S503168 A JPS503168 A JP S503168A JP 49038950 A JP49038950 A JP 49038950A JP 3895074 A JP3895074 A JP 3895074A JP S503168 A JPS503168 A JP S503168A
Authority
JP
Japan
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.)
Granted
Application number
JP49038950A
Other versions
JPS551908B2 (ja
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 filed Critical
Publication of JPS503168A publication Critical patent/JPS503168A/ja
Publication of JPS551908B2 publication Critical patent/JPS551908B2/ja
Expired 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02—Bending or folding
    • B29C53/10—Bending or folding of blown tubular films, e.g. gusseting
    • 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)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
JP3895074A 1973-04-09 1974-04-08 Expired JPS551908B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US34964373A 1973-04-09 1973-04-09

Publications (2)

Publication Number Publication Date
JPS503168A true JPS503168A (ja) 1975-01-14
JPS551908B2 JPS551908B2 (ja) 1980-01-17

Family

ID=23373338

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3895074A Expired JPS551908B2 (ja) 1973-04-09 1974-04-08

Country Status (6)

Country Link
US (1) US4068999A (ja)
JP (1) JPS551908B2 (ja)
DE (1) DE2416889A1 (ja)
FI (1) FI61826C (ja)
FR (1) FR2224277A1 (ja)
GB (1) GB1465188A (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2343583A1 (fr) * 1976-03-12 1977-10-07 Gen Electric Appareil pour la formation de films thermoplastiques par la methode du tube souffle
JPS5759983U (ja) * 1980-09-27 1982-04-09
JPS5928684U (ja) * 1982-08-13 1984-02-22 株式会社東芝 密閉型圧縮機のオイルポンプ構造
US5585120A (en) * 1994-12-05 1996-12-17 Pearl Technologies, Inc. Extriuded metal collapsing boards with replaceable wear plates
US7556762B2 (en) * 2003-09-17 2009-07-07 Nitto Denko Corporation Method of inflation extrusion molding, extrusion molding apparatus therefor, and process for producing pressure-sensitive adhesive sheet
US10245777B2 (en) * 2015-03-19 2019-04-02 Pearl Technologies, Inc. Gusset board with collapsible nose

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1504039A1 (de) * 1965-03-01 1969-09-25 Barmag Barmer Maschf Vorrichtung zum Flachlegen und Kuehlen eines nahtlosen thermoplastischen Folienschlauches vor dessen Eintritt in den Abquetschwalzenspalt einer Extrusionsanlage
US3335208A (en) * 1966-05-16 1967-08-08 Dow Chemical Co Process for producing thin-wall plastic tubing
DE2357138C3 (de) * 1973-11-15 1978-08-03 Windmoeller & Hoelscher, 4540 Lengerich Nachkühlvorrichtung für Blasfolien aus thermoplastischen Kunststoffen

Also Published As

Publication number Publication date
FI61826C (fi) 1982-10-11
US4068999A (en) 1978-01-17
JPS551908B2 (ja) 1980-01-17
DE2416889A1 (de) 1974-10-17
FI61826B (fi) 1982-06-30
GB1465188A (en) 1977-02-23
FR2224277A1 (ja) 1974-10-31

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