JPS4961258A - - Google Patents

Info

Publication number
JPS4961258A
JPS4961258A JP48050588A JP5058873A JPS4961258A JP S4961258 A JPS4961258 A JP S4961258A JP 48050588 A JP48050588 A JP 48050588A JP 5058873 A JP5058873 A JP 5058873A JP S4961258 A JPS4961258 A JP S4961258A
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.)
Pending
Application number
JP48050588A
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 DE19722222194 external-priority patent/DE2222194C3/de
Application filed filed Critical
Publication of JPS4961258A publication Critical patent/JPS4961258A/ja
Pending 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • B29C44/507—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through an annular die
    • 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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
JP48050588A 1972-05-05 1973-05-07 Pending JPS4961258A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722222194 DE2222194C3 (de) 1972-05-05 Vorrichtung zur Erzeugung eines Hohlraumes oder eines Bereiches besonders niedriger Dichte im Inneren extrudierter Profile aus schäumbaren Thermoplasten

Publications (1)

Publication Number Publication Date
JPS4961258A true JPS4961258A (ja) 1974-06-13

Family

ID=5844212

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48050588A Pending JPS4961258A (ja) 1972-05-05 1973-05-07

Country Status (3)

Country Link
US (1) US3890416A (ja)
JP (1) JPS4961258A (ja)
FR (1) FR2183814B1 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4034027A (en) * 1974-07-10 1977-07-05 The Dow Chemical Company Method for spiral deposition of an integrally bonded hollow foamed synthetic resin strip
IT1074365B (it) * 1977-03-22 1985-04-20 Montedison Spa Procedimento di estruszione di profilati plastici semiespansi e relativa apparecchiatura
US4339298A (en) * 1981-01-29 1982-07-13 Western Electric Company, Inc. Apparatus for insulating relatively flexible conductors
US4493747A (en) * 1982-01-27 1985-01-15 At&T Technologies, Inc. Method for insulating conductors with a crystalline plastic material
FR2564375B1 (fr) * 1984-05-18 1987-03-06 Eternit Financiere Procede de fabrication de tubes alleges, rigides en matiere thermoplastique
JPS60245898A (ja) * 1984-05-22 1985-12-05 Mitsui Petrochem Ind Ltd 超高分子量ポリエチレン製フレキシブルチユ−ブ、溶融流動性の悪い熱可塑性樹脂製チユ−ブの製造方法及びその製造装置
LU86659A1 (de) * 1985-11-19 1987-05-04 Marquet & Cie Noel Luft- und trittschalldaemmplatte aus schaumkunststoff fuer schwimmende estriche oder schwimmende holzfussboeden
DE3541052A1 (de) * 1985-11-19 1987-05-21 Marquet & Cie Noel Schaumstoffplatten und -bloecke aus hohlprofilen, deren herstellung, sowie deren verwendung als isolier- und/oder drainageplatten
US5461898A (en) * 1993-02-26 1995-10-31 Lessen; Martin Method and apparatus for extrusion of tubing sheeting and profile shapes
US5670112A (en) * 1995-02-23 1997-09-23 Dynamic Mixer, Inc. Multiphase matter introduction with a plasticating screw arrangement

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2766481A (en) * 1952-08-28 1956-10-16 Western Electric Co Methods of and apparatus for extruding cellular plastics
DE1602671A1 (de) * 1966-02-14 1970-11-26 Rotary Profile Anstalt Verfahren und Vorrichtung zum Verformen von Werkstoffen
US3751537A (en) * 1970-01-12 1973-08-07 Owens Illinois Inc Process for controlling dimensions of the product in foamed plastic extrusion
US3773873A (en) * 1970-06-22 1973-11-20 Allied Chem Method of injection molding foamable plastic with minimized wastage
DE2108936C3 (de) * 1971-02-25 1979-12-13 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Verfahren und Vorrichtung zum Herstellen von Kunststoffhalbzeug mit Schaumstoffkern und ungeschäumtem Mantel
US3806567A (en) * 1971-03-12 1974-04-23 R Sitler Method for producing reinforced, cellular slabs by extrusion

Also Published As

Publication number Publication date
DE2222194A1 (de) 1973-11-22
FR2183814B1 (ja) 1976-06-11
US3890416A (en) 1975-06-17
FR2183814A1 (ja) 1973-12-21
DE2222194B2 (de) 1977-03-17

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