BE685272A - - Google Patents

Info

Publication number
BE685272A
BE685272A BE685272DA BE685272A BE 685272 A BE685272 A BE 685272A BE 685272D A BE685272D A BE 685272DA BE 685272 A BE685272 A BE 685272A
Authority
BE
Belgium
Application number
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 BE685272A publication Critical patent/BE685272A/xx

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
    • B29C48/9125—Cooling of hollow articles of tubular films internally
    • 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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
BE685272D 1965-08-16 1966-08-09 BE685272A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US479890A US3329999A (en) 1965-08-16 1965-08-16 Internal air ring

Publications (1)

Publication Number Publication Date
BE685272A true BE685272A (xx) 1967-01-16

Family

ID=23905862

Family Applications (1)

Application Number Title Priority Date Filing Date
BE685272D BE685272A (xx) 1965-08-16 1966-08-09

Country Status (2)

Country Link
US (1) US3329999A (xx)
BE (1) BE685272A (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO119195B (xx) * 1965-10-27 1970-04-06 J Thordarson
US3541191A (en) * 1965-10-27 1970-11-17 Jon Thordarson Method for manufacturing film from thermoplastic resinous film-forming materials
US4176155A (en) * 1966-04-27 1979-11-27 The Dow Chemical Company Method and apparatus for making film
US3472923A (en) * 1966-09-15 1969-10-14 Union Carbide Canada Ltd Process for manufacturing plastic tubing at high output rates
US3488809A (en) * 1968-10-23 1970-01-13 Albert L James Process and apparatus for cooling a blown tube thermoplastic extrusion
US3742105A (en) * 1970-05-05 1973-06-26 S Kuroda Method for producing a seamless tubing
CH549455A (fr) * 1971-09-28 1974-05-31 Sig Schweiz Industrieges Procede de fabrication d'un film tubulaire en matiere plastique, installation pour la mise en oeuvre de ce procede et film obtenu par ce procede.
DE2357993C2 (de) * 1973-11-21 1983-11-17 Reifenhäuser KG, 5210 Troisdorf Vorrichtung zur Innenkalibrierung von Hohlprofilen aus thermoplastischem Kunststoff
US4606879A (en) * 1985-02-28 1986-08-19 Cerisano Frank D High stalk blown film extrusion apparatus and method
NL8502034A (nl) * 1985-07-15 1987-02-02 Leer Koninklijke Emballage Inrichting voor het vervaardigen van een buisvormig voorwerp.
FI20050634A (fi) * 2005-06-15 2006-12-16 Kwh Pipe Ab Oy Menetelmä ja laite ekstrudoitujen kestomuoviputkien sisäiseksi jäähdyttämiseksi

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3172930A (en) * 1965-03-09 Treating plastic film extrudate
US2844846A (en) * 1954-09-02 1958-07-29 Chester Packaging Products Cor Plastic film extruder
GB828851A (en) * 1957-01-01 1960-02-24 British Cellophane Ltd Improvements in or relating to the manufacture of thin-walled tubing from thermoplastic materials
US3074108A (en) * 1960-04-25 1963-01-22 Phillips Petroleum Co Apparatus for biaxially orienting thermoplastic film
BE619725A (xx) * 1961-07-05 1900-01-01
US3170011A (en) * 1962-02-14 1965-02-16 Dow Chemical Co Method and apparatus for making film
US3226459A (en) * 1962-10-03 1965-12-28 Union Carbide Corp Quenching of polyolefin film

Also Published As

Publication number Publication date
US3329999A (en) 1967-07-11

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