FR1343856A - Method and apparatus for the manufacture of molded parts from thermoplastic synthetic materials with the addition of porogens - Google Patents

Method and apparatus for the manufacture of molded parts from thermoplastic synthetic materials with the addition of porogens

Info

Publication number
FR1343856A
FR1343856A FR914443A FR914443A FR1343856A FR 1343856 A FR1343856 A FR 1343856A FR 914443 A FR914443 A FR 914443A FR 914443 A FR914443 A FR 914443A FR 1343856 A FR1343856 A FR 1343856A
Authority
FR
France
Prior art keywords
porogens
manufacture
addition
molded parts
synthetic materials
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
FR914443A
Other languages
French (fr)
Inventor
Ulrich Knipp
Karl-Heinz Mueller
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Priority to FR914443A priority Critical patent/FR1343856A/en
Application granted granted Critical
Publication of FR1343856A publication Critical patent/FR1343856A/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
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
    • B29C44/421—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum by plastizising the material into a shot cavity and injecting using a plunger
FR914443A 1962-11-06 1962-11-06 Method and apparatus for the manufacture of molded parts from thermoplastic synthetic materials with the addition of porogens Expired FR1343856A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR914443A FR1343856A (en) 1962-11-06 1962-11-06 Method and apparatus for the manufacture of molded parts from thermoplastic synthetic materials with the addition of porogens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR914443A FR1343856A (en) 1962-11-06 1962-11-06 Method and apparatus for the manufacture of molded parts from thermoplastic synthetic materials with the addition of porogens

Publications (1)

Publication Number Publication Date
FR1343856A true FR1343856A (en) 1963-11-22

Family

ID=8790152

Family Applications (1)

Application Number Title Priority Date Filing Date
FR914443A Expired FR1343856A (en) 1962-11-06 1962-11-06 Method and apparatus for the manufacture of molded parts from thermoplastic synthetic materials with the addition of porogens

Country Status (1)

Country Link
FR (1) FR1343856A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3694529A (en) * 1970-04-02 1972-09-26 Allied Chem Method for molding articles
US3819313A (en) * 1970-04-02 1974-06-25 Allied Chem Apparatus for molding articles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3694529A (en) * 1970-04-02 1972-09-26 Allied Chem Method for molding articles
US3819313A (en) * 1970-04-02 1974-06-25 Allied Chem Apparatus for molding articles

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