FR2317081A1 - Procede de fabrication de pieces moulees en matiere alveolaire de faible densite - Google Patents

Procede de fabrication de pieces moulees en matiere alveolaire de faible densite

Info

Publication number
FR2317081A1
FR2317081A1 FR7619401A FR7619401A FR2317081A1 FR 2317081 A1 FR2317081 A1 FR 2317081A1 FR 7619401 A FR7619401 A FR 7619401A FR 7619401 A FR7619401 A FR 7619401A FR 2317081 A1 FR2317081 A1 FR 2317081A1
Authority
FR
France
Prior art keywords
air
steam
mixt
steaming
prefoamed
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.)
Withdrawn
Application number
FR7619401A
Other languages
English (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.)
Huels AG
Original Assignee
Chemische Werke Huels 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
Priority claimed from DE19752530787 external-priority patent/DE2530787C3/de
Application filed by Chemische Werke Huels AG filed Critical Chemische Werke Huels AG
Publication of FR2317081A1 publication Critical patent/FR2317081A1/fr
Withdrawn legal-status Critical Current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
    • B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
    • 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
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould

Landscapes

  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
FR7619401A 1975-07-10 1976-06-25 Procede de fabrication de pieces moulees en matiere alveolaire de faible densite Withdrawn FR2317081A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752530787 DE2530787C3 (de) 1975-07-10 Verfahren zur Herstellung von Schaumkunststoff-Formkörpern niedriger Dichte

Publications (1)

Publication Number Publication Date
FR2317081A1 true FR2317081A1 (fr) 1977-02-04

Family

ID=5951140

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7619401A Withdrawn FR2317081A1 (fr) 1975-07-10 1976-06-25 Procede de fabrication de pieces moulees en matiere alveolaire de faible densite

Country Status (7)

Country Link
AT (1) AT355315B (fr)
BE (1) BE844009A (fr)
DK (1) DK137979C (fr)
FI (1) FI761955A (fr)
FR (1) FR2317081A1 (fr)
NL (1) NL7607635A (fr)
SE (1) SE7607680L (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1450137A (fr) * 1964-10-21 1966-05-06 Basf Ag Procédé de fabrication de corps moulés à partir de polymères mousses de styrène
FR1490217A (fr) * 1965-08-24 1967-07-28 Gosta Trading Ltd Procédé de production de pièces moulées élastiques flexibles à partir de matières synthétiques en forme de mousse et dispositif pour sa mise en oeuvre
FR1554252A (fr) * 1967-02-23 1969-01-17
US3855377A (en) * 1972-10-24 1974-12-17 Arco Polymers Inc Method for improving internal foam fusion of molded styrene polymer foam billets

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1450137A (fr) * 1964-10-21 1966-05-06 Basf Ag Procédé de fabrication de corps moulés à partir de polymères mousses de styrène
FR1490217A (fr) * 1965-08-24 1967-07-28 Gosta Trading Ltd Procédé de production de pièces moulées élastiques flexibles à partir de matières synthétiques en forme de mousse et dispositif pour sa mise en oeuvre
FR1554252A (fr) * 1967-02-23 1969-01-17
US3855377A (en) * 1972-10-24 1974-12-17 Arco Polymers Inc Method for improving internal foam fusion of molded styrene polymer foam billets

Also Published As

Publication number Publication date
SE7607680L (sv) 1977-01-11
NL7607635A (nl) 1977-01-12
DK137979B (da) 1978-06-19
DK137979C (da) 1978-11-06
AT355315B (de) 1980-02-25
ATA505876A (de) 1979-07-15
BE844009A (fr) 1977-01-10
DE2530787B2 (de) 1977-04-28
DE2530787A1 (de) 1977-01-13
DK149076A (da) 1977-01-11
FI761955A (fr) 1977-01-11

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Legal Events

Date Code Title Description
ST Notification of lapse