AT321565B - Verfahren zur Erhöhung der Druckspannungen an fertig expandierten Hartschaumstoffen - Google Patents
Verfahren zur Erhöhung der Druckspannungen an fertig expandierten HartschaumstoffenInfo
- Publication number
- AT321565B AT321565B AT558972A AT558972A AT321565B AT 321565 B AT321565 B AT 321565B AT 558972 A AT558972 A AT 558972A AT 558972 A AT558972 A AT 558972A AT 321565 B AT321565 B AT 321565B
- Authority
- AT
- Austria
- Prior art keywords
- increasing
- fully expanded
- compressive stresses
- rigid foams
- expanded rigid
- 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
- B29C44/56—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
- B29C44/5636—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching with the addition of heat
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712132234 DE2132234C3 (de) | 1971-06-29 | 1971-06-29 | Verfahren zum Verbessern der physikalischen Eigenschaften von fertig expandierten Hartschaumstoffkörpern, die aus einzelnen zellförmigen Partikeln aufgebaut sind |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT321565B true AT321565B (de) | 1975-04-10 |
Family
ID=5812104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT558972A AT321565B (de) | 1971-06-29 | 1972-06-28 | Verfahren zur Erhöhung der Druckspannungen an fertig expandierten Hartschaumstoffen |
Country Status (13)
| Country | Link |
|---|---|
| AT (1) | AT321565B (sv) |
| BE (1) | BE785519A (sv) |
| CA (1) | CA984568A (sv) |
| CH (1) | CH540112A (sv) |
| DE (1) | DE2132234C3 (sv) |
| DK (1) | DK133861C (sv) |
| ES (1) | ES404168A1 (sv) |
| FI (1) | FI52538C (sv) |
| FR (1) | FR2143726B1 (sv) |
| GB (1) | GB1401846A (sv) |
| IT (1) | IT956908B (sv) |
| NL (1) | NL7208787A (sv) |
| SE (1) | SE389637B (sv) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5736075A (en) * | 1996-10-22 | 1998-04-07 | C.J. Associates, Ltd. | Method of forming a molded product using a freezing step |
-
1971
- 1971-06-29 DE DE19712132234 patent/DE2132234C3/de not_active Expired
-
1972
- 1972-06-21 FR FR7222366A patent/FR2143726B1/fr not_active Expired
- 1972-06-22 CH CH957572A patent/CH540112A/de not_active IP Right Cessation
- 1972-06-23 DK DK315572A patent/DK133861C/da active
- 1972-06-23 ES ES404168A patent/ES404168A1/es not_active Expired
- 1972-06-26 FI FI181372A patent/FI52538C/sv active
- 1972-06-26 NL NL7208787A patent/NL7208787A/xx unknown
- 1972-06-27 CA CA145,774A patent/CA984568A/en not_active Expired
- 1972-06-27 SE SE842472A patent/SE389637B/sv unknown
- 1972-06-28 BE BE785519A patent/BE785519A/xx unknown
- 1972-06-28 GB GB3017272A patent/GB1401846A/en not_active Expired
- 1972-06-28 AT AT558972A patent/AT321565B/de not_active IP Right Cessation
- 1972-06-28 IT IT2632172A patent/IT956908B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| FI52538C (sv) | 1977-10-10 |
| IT956908B (it) | 1973-10-10 |
| DE2132234B2 (de) | 1974-02-07 |
| DK133861C (da) | 1976-12-27 |
| DE2132234A1 (de) | 1973-03-01 |
| DK133861B (da) | 1976-08-02 |
| CH540112A (de) | 1973-08-15 |
| ES404168A1 (es) | 1975-06-01 |
| FR2143726B1 (sv) | 1975-03-07 |
| FR2143726A1 (sv) | 1973-02-09 |
| GB1401846A (en) | 1975-07-30 |
| CA984568A (en) | 1976-03-02 |
| SE389637B (sv) | 1976-11-15 |
| BE785519A (fr) | 1972-12-28 |
| NL7208787A (sv) | 1973-01-03 |
| FI52538B (sv) | 1977-06-30 |
| DE2132234C3 (de) | 1974-09-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee |