FR1221439A - Improvement in thermoplastic films - Google Patents

Improvement in thermoplastic films

Info

Publication number
FR1221439A
FR1221439A FR790627A FR790627A FR1221439A FR 1221439 A FR1221439 A FR 1221439A FR 790627 A FR790627 A FR 790627A FR 790627 A FR790627 A FR 790627A FR 1221439 A FR1221439 A FR 1221439A
Authority
FR
France
Prior art keywords
improvement
thermoplastic films
thermoplastic
films
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
FR790627A
Other languages
French (fr)
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.)
Smith and Nephew PLC
TJ Smith and Nephew Ltd
Original Assignee
Smith and Nephew PLC
TJ Smith and Nephew Ltd
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 Smith and Nephew PLC, TJ Smith and Nephew Ltd filed Critical Smith and Nephew PLC
Application granted granted Critical
Publication of FR1221439A publication Critical patent/FR1221439A/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
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/28—Expanding the moulding material on continuous moving surfaces without restricting the upwards growth of the foam
FR790627A 1958-03-28 1959-03-27 Improvement in thermoplastic films Expired FR1221439A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1221439X 1958-03-28

Publications (1)

Publication Number Publication Date
FR1221439A true FR1221439A (en) 1960-06-01

Family

ID=10883687

Family Applications (1)

Application Number Title Priority Date Filing Date
FR790627A Expired FR1221439A (en) 1958-03-28 1959-03-27 Improvement in thermoplastic films

Country Status (1)

Country Link
FR (1) FR1221439A (en)

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