FR2121409B1 - - Google Patents

Info

Publication number
FR2121409B1
FR2121409B1 FR7100680A FR7100680A FR2121409B1 FR 2121409 B1 FR2121409 B1 FR 2121409B1 FR 7100680 A FR7100680 A FR 7100680A FR 7100680 A FR7100680 A FR 7100680A FR 2121409 B1 FR2121409 B1 FR 2121409B1
Authority
FR
France
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
FR7100680A
Other languages
French (fr)
Other versions
FR2121409A1 (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7100680A priority Critical patent/FR2121409A1/fr
Publication of FR2121409A1 publication Critical patent/FR2121409A1/fr
Application granted granted Critical
Publication of FR2121409B1 publication Critical patent/FR2121409B1/fr
Granted 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
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/461—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length dispensing apparatus, e.g. dispensing foaming resin over the whole width of the moving surface
    • 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
    • B29C44/30—Expanding the moulding material between endless belts or rollers
    • 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
FR7100680A 1971-01-11 1971-01-11 Expanded plastic mouldings - formed by expansion before injection Granted FR2121409A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7100680A FR2121409A1 (en) 1971-01-11 1971-01-11 Expanded plastic mouldings - formed by expansion before injection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7100680A FR2121409A1 (en) 1971-01-11 1971-01-11 Expanded plastic mouldings - formed by expansion before injection

Publications (2)

Publication Number Publication Date
FR2121409A1 FR2121409A1 (en) 1972-08-25
FR2121409B1 true FR2121409B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1977-06-17

Family

ID=9070071

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7100680A Granted FR2121409A1 (en) 1971-01-11 1971-01-11 Expanded plastic mouldings - formed by expansion before injection

Country Status (1)

Country Link
FR (1) FR2121409A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3502006A1 (de) * 1985-01-23 1986-07-24 Hahn, Ortwin, Prof. Dr.-Ing., 4790 Paderborn Verfahren zum schaeumen und sintern von kunststoffen
US5049327A (en) * 1987-07-21 1991-09-17 Sumitomo Heavy Industries, Ltd. Injection molding method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3437722A (en) * 1965-04-27 1969-04-08 Hercules Inc Transfer molding of foam

Also Published As

Publication number Publication date
FR2121409A1 (en) 1972-08-25

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