GB1151920A - Process for Making Multi-Layer Film from Thermoplastic Polymeric Materials. - Google Patents

Process for Making Multi-Layer Film from Thermoplastic Polymeric Materials.

Info

Publication number
GB1151920A
GB1151920A GB48741/66A GB4874166A GB1151920A GB 1151920 A GB1151920 A GB 1151920A GB 48741/66 A GB48741/66 A GB 48741/66A GB 4874166 A GB4874166 A GB 4874166A GB 1151920 A GB1151920 A GB 1151920A
Authority
GB
United Kingdom
Prior art keywords
heat
composite
conduit
die
extruder
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
GB48741/66A
Other languages
English (en)
Inventor
Robert Edward Lee
Lloyd Edward Lefevre
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of GB1151920A publication Critical patent/GB1151920A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
GB48741/66A 1965-11-01 1966-10-31 Process for Making Multi-Layer Film from Thermoplastic Polymeric Materials. Expired GB1151920A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US50589465A 1965-11-01 1965-11-01

Publications (1)

Publication Number Publication Date
GB1151920A true GB1151920A (en) 1969-05-14

Family

ID=24012329

Family Applications (1)

Application Number Title Priority Date Filing Date
GB48741/66A Expired GB1151920A (en) 1965-11-01 1966-10-31 Process for Making Multi-Layer Film from Thermoplastic Polymeric Materials.

Country Status (2)

Country Link
BE (1) BE689141A (pt)
GB (1) GB1151920A (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4931760A (pt) * 1972-07-20 1974-03-22

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4931760A (pt) * 1972-07-20 1974-03-22
JPS5222018B2 (pt) * 1972-07-20 1977-06-14

Also Published As

Publication number Publication date
BE689141A (pt) 1967-05-02

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Legal Events

Date Code Title Description
416 Proceeding under section 16 patents act 1949
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees