FR1525940A - Process for manufacturing products with a rough surface by extrusion of thermoplastic materials and products thus obtained - Google Patents

Process for manufacturing products with a rough surface by extrusion of thermoplastic materials and products thus obtained

Info

Publication number
FR1525940A
FR1525940A FR89650A FR89650A FR1525940A FR 1525940 A FR1525940 A FR 1525940A FR 89650 A FR89650 A FR 89650A FR 89650 A FR89650 A FR 89650A FR 1525940 A FR1525940 A FR 1525940A
Authority
FR
France
Prior art keywords
products
extrusion
rough surface
thermoplastic materials
manufacturing
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
FR89650A
Other languages
French (fr)
Inventor
Pierre Boutillier
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.)
Kuhlmann SA
Original Assignee
Kuhlmann SA
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 Kuhlmann SA filed Critical Kuhlmann SA
Priority to FR89650A priority Critical patent/FR1525940A/en
Application granted granted Critical
Publication of FR1525940A publication Critical patent/FR1525940A/en
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
    • 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
    • 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
    • B29C44/505—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 a flat die
    • 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
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/001—Flat articles, e.g. films or sheets having irregular or rough surfaces
    • 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
    • B29L2023/003—Tubular articles having irregular or rough surfaces
FR89650A 1966-12-30 1966-12-30 Process for manufacturing products with a rough surface by extrusion of thermoplastic materials and products thus obtained Expired FR1525940A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR89650A FR1525940A (en) 1966-12-30 1966-12-30 Process for manufacturing products with a rough surface by extrusion of thermoplastic materials and products thus obtained

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR89650A FR1525940A (en) 1966-12-30 1966-12-30 Process for manufacturing products with a rough surface by extrusion of thermoplastic materials and products thus obtained

Publications (1)

Publication Number Publication Date
FR1525940A true FR1525940A (en) 1968-05-24

Family

ID=8623276

Family Applications (1)

Application Number Title Priority Date Filing Date
FR89650A Expired FR1525940A (en) 1966-12-30 1966-12-30 Process for manufacturing products with a rough surface by extrusion of thermoplastic materials and products thus obtained

Country Status (1)

Country Link
FR (1) FR1525940A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2347875A1 (en) * 1976-04-17 1977-11-10 Bayer Ag PLANTER FOR PLANTS, AND ITS PREPARATION PROCESS
EP0252767A2 (en) * 1986-07-11 1988-01-13 Sekisui Kaseihin Kogyo Kabushiki Kaisha Heat-shrinkable sheet
EP0450331A1 (en) * 1990-04-05 1991-10-09 GERRO PLAST GMBH Kunststoffartikel Process for the production of foamed polystyrene sheets

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2347875A1 (en) * 1976-04-17 1977-11-10 Bayer Ag PLANTER FOR PLANTS, AND ITS PREPARATION PROCESS
EP0252767A2 (en) * 1986-07-11 1988-01-13 Sekisui Kaseihin Kogyo Kabushiki Kaisha Heat-shrinkable sheet
EP0252767A3 (en) * 1986-07-11 1989-09-06 Sekisui Kaseihin Kogyo Kabushiki Kaisha Heat-shrinkable sheet
EP0450331A1 (en) * 1990-04-05 1991-10-09 GERRO PLAST GMBH Kunststoffartikel Process for the production of foamed polystyrene sheets
WO1991015358A1 (en) * 1990-04-05 1991-10-17 Gerro Plast Gmbh Process for manufacturing polystyrene foam film
US5342560A (en) * 1990-04-05 1994-08-30 Gerro Plast Gmbh Method for the production of foamed polystyrene films

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