BE772404A - Procede d'extrusion et appareil pour la mise en pratique de celui-ci - Google Patents

Procede d'extrusion et appareil pour la mise en pratique de celui-ci

Info

Publication number
BE772404A
BE772404A BE772404A BE772404A BE772404A BE 772404 A BE772404 A BE 772404A BE 772404 A BE772404 A BE 772404A BE 772404 A BE772404 A BE 772404A BE 772404 A BE772404 A BE 772404A
Authority
BE
Belgium
Prior art keywords
practice
same
extrusion process
extrusion
Prior art date
Application number
BE772404A
Other languages
English (en)
Inventor
J J Barney
J L Flanagan
Original Assignee
Leesona Corp
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 Leesona Corp filed Critical Leesona Corp
Publication of BE772404A publication Critical patent/BE772404A/fr

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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • B29C48/307—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets specially adapted for bringing together components, e.g. melts within the 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
    • B29C48/07—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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • 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
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
BE772404A 1970-09-09 1971-09-09 Procede d'extrusion et appareil pour la mise en pratique de celui-ci BE772404A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7073270A 1970-09-09 1970-09-09

Publications (1)

Publication Number Publication Date
BE772404A true BE772404A (fr) 1972-03-09

Family

ID=22097048

Family Applications (1)

Application Number Title Priority Date Filing Date
BE772404A BE772404A (fr) 1970-09-09 1971-09-09 Procede d'extrusion et appareil pour la mise en pratique de celui-ci

Country Status (5)

Country Link
BE (1) BE772404A (fr)
DE (1) DE2143597A1 (fr)
FR (1) FR2106403B1 (fr)
GB (1) GB1370355A (fr)
NL (1) NL7112109A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2252219B2 (de) * 1972-10-25 1978-02-16 Bellaplast Gmbh, 6200 Wiesbaden Verfahren und vorrichtung zum herstellen von duennwandigen formlingen aus thermoplastischem kunststoff
DE69526T1 (de) * 1981-07-04 1984-04-26 Idemitsu Petrochemical Co., Ltd., Tokyo Verpackungssaecke.
ATE19754T1 (de) * 1982-12-16 1986-05-15 Idemitsu Petrochemical Co Verpackungsbeutel.
US4483812A (en) * 1983-04-15 1984-11-20 Cosden Technology, Inc. Valve plate and feedblock design for co-extrusion apparatus and co-extrusion process using same
DE3405257C2 (de) * 1984-02-15 1986-05-22 Reifenhäuser GmbH & Co Maschinenfabrik, 5210 Troisdorf Vorrichtung zum kontinuierlichen Strangpressen einer mehrschichtigen Kunststoffbahn
DE3405256A1 (de) * 1984-02-15 1985-08-22 Reifenhäuser GmbH & Co Maschinenfabrik, 5210 Troisdorf Vorrichtung zum kontinuierlichen strangpressen einer mehrschichtigen kunststoffbahn
EP0196727A1 (fr) * 1985-04-03 1986-10-08 Stamicarbon B.V. Sac multicouche avec un scellement ouvrable

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1495368A (fr) * 1966-09-30 1967-09-15 Crown Zellerbach Corp Pellicules thermoplastiques à couches multiples

Also Published As

Publication number Publication date
FR2106403A1 (fr) 1972-05-05
DE2143597A1 (de) 1972-03-16
FR2106403B1 (fr) 1975-07-11
GB1370355A (en) 1974-10-16
NL7112109A (fr) 1972-03-13

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