FR1419730A - Method and apparatus for making rigid plastic foams flexible - Google Patents

Method and apparatus for making rigid plastic foams flexible

Info

Publication number
FR1419730A
FR1419730A FR990431A FR990431A FR1419730A FR 1419730 A FR1419730 A FR 1419730A FR 990431 A FR990431 A FR 990431A FR 990431 A FR990431 A FR 990431A FR 1419730 A FR1419730 A FR 1419730A
Authority
FR
France
Prior art keywords
rigid plastic
plastic foams
making rigid
foams flexible
flexible
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
FR990431A
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.)
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
Priority claimed from US198824A external-priority patent/US3159700A/en
Priority claimed from US344154A external-priority patent/US3191224A/en
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Priority to FR990431A priority Critical patent/FR1419730A/en
Application granted granted Critical
Publication of FR1419730A publication Critical patent/FR1419730A/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
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B29C44/5627—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR990431A 1962-05-31 1964-10-06 Method and apparatus for making rigid plastic foams flexible Expired FR1419730A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR990431A FR1419730A (en) 1962-05-31 1964-10-06 Method and apparatus for making rigid plastic foams flexible

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US198824A US3159700A (en) 1962-05-31 1962-05-31 Flexibilizing rigid foams
US344154A US3191224A (en) 1962-05-31 1964-01-02 Flexibilizing rigid foams
FR990431A FR1419730A (en) 1962-05-31 1964-10-06 Method and apparatus for making rigid plastic foams flexible

Publications (1)

Publication Number Publication Date
FR1419730A true FR1419730A (en) 1965-12-03

Family

ID=27248362

Family Applications (1)

Application Number Title Priority Date Filing Date
FR990431A Expired FR1419730A (en) 1962-05-31 1964-10-06 Method and apparatus for making rigid plastic foams flexible

Country Status (1)

Country Link
FR (1) FR1419730A (en)

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