DK137979C - Fremgangsmaade til fremstilling af skumplastformlegemer med lav rumvaegt ud fra ekspanderbare partikler af styrenpolymerisater - Google Patents
Fremgangsmaade til fremstilling af skumplastformlegemer med lav rumvaegt ud fra ekspanderbare partikler af styrenpolymerisaterInfo
- Publication number
- DK137979C DK137979C DK149076A DK149076A DK137979C DK 137979 C DK137979 C DK 137979C DK 149076 A DK149076 A DK 149076A DK 149076 A DK149076 A DK 149076A DK 137979 C DK137979 C DK 137979C
- Authority
- DK
- Denmark
- Prior art keywords
- procedure
- manufacture
- low volume
- foam plastic
- expandable particles
- Prior art date
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
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 (3)
Publication Number | Publication Date |
---|---|
DK149076A DK149076A (da) | 1977-01-11 |
DK137979B DK137979B (da) | 1978-06-19 |
DK137979C true DK137979C (da) | 1978-11-06 |
Family
ID=5951140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK149076A DK137979C (da) | 1975-07-10 | 1976-03-31 | Fremgangsmaade til fremstilling af skumplastformlegemer med lav rumvaegt ud fra ekspanderbare partikler af styrenpolymerisater |
Country Status (7)
Country | Link |
---|---|
AT (1) | AT355315B (da) |
BE (1) | BE844009A (da) |
DK (1) | DK137979C (da) |
FI (1) | FI761955A (da) |
FR (1) | FR2317081A1 (da) |
NL (1) | NL7607635A (da) |
SE (1) | SE7607680L (da) |
Family Cites Families (4)
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 |
CH424222A (de) * | 1965-08-24 | 1966-11-15 | Gosta Trading Ltd | Verfahren zur Herstellung flexibler, elastischer Formlinge aus schäumbarem Kunststoff, und Vorrichtung zur Durchführung des Verfahrens |
DE1704465A1 (de) * | 1967-02-23 | 1971-05-19 | Basf Ag | Verfahren zur Herstellung von Schaumstoff-Formkoerpern aus AEthylen- oder Propylenpolymerisaten |
US3855377A (en) * | 1972-10-24 | 1974-12-17 | Arco Polymers Inc | Method for improving internal foam fusion of molded styrene polymer foam billets |
-
1976
- 1976-03-31 DK DK149076A patent/DK137979C/da not_active IP Right Cessation
- 1976-06-25 FR FR7619401A patent/FR2317081A1/fr not_active Withdrawn
- 1976-07-05 SE SE7607680A patent/SE7607680L/xx unknown
- 1976-07-05 FI FI761955A patent/FI761955A/fi not_active Application Discontinuation
- 1976-07-09 BE BE168813A patent/BE844009A/xx unknown
- 1976-07-09 NL NL7607635A patent/NL7607635A/xx not_active Application Discontinuation
- 1976-07-09 AT AT505876A patent/AT355315B/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK149076A (da) | 1977-01-11 |
DK137979B (da) | 1978-06-19 |
FI761955A (da) | 1977-01-11 |
NL7607635A (nl) | 1977-01-12 |
SE7607680L (sv) | 1977-01-11 |
BE844009A (fr) | 1977-01-10 |
AT355315B (de) | 1980-02-25 |
ATA505876A (de) | 1979-07-15 |
DE2530787A1 (de) | 1977-01-13 |
DE2530787B2 (de) | 1977-04-28 |
FR2317081A1 (fr) | 1977-02-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |