DE2943859C2 - - Google Patents
Info
- Publication number
- DE2943859C2 DE2943859C2 DE19792943859 DE2943859A DE2943859C2 DE 2943859 C2 DE2943859 C2 DE 2943859C2 DE 19792943859 DE19792943859 DE 19792943859 DE 2943859 A DE2943859 A DE 2943859A DE 2943859 C2 DE2943859 C2 DE 2943859C2
- Authority
- DE
- Germany
- 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
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)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Polyurethanes Or Polyureas (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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/044,042 US4228076A (en) | 1978-02-10 | 1979-05-31 | Method of densifying open-celled polyurethane material |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2943859A1 DE2943859A1 (de) | 1980-12-04 |
DE2943859C2 true DE2943859C2 (US06262066-20010717-C00315.png) | 1987-05-07 |
Family
ID=21930208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19792943859 Granted DE2943859A1 (de) | 1979-05-31 | 1979-10-30 | Verfahren zum verdichten von offenzelligem polyurethan-schaumstoff |
Country Status (3)
Country | Link |
---|---|
CA (1) | CA1120223A (US06262066-20010717-C00315.png) |
DE (1) | DE2943859A1 (US06262066-20010717-C00315.png) |
GB (1) | GB2050395B (US06262066-20010717-C00315.png) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4334453C2 (de) * | 1992-10-15 | 2002-10-24 | Greiner & Soehne C A | Verfahren zur Herstellung von Schaumstoffelementen aus einer Platte oder mehreren Einzelplatten sowie Schaumstoffelement |
DE102006032830A1 (de) * | 2006-07-14 | 2008-01-17 | Schmidt & Heinzmann Gmbh & Co. Kg | Vorrichtung zum Transportieren eines Materialstrangs |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4357859A (en) * | 1981-04-08 | 1982-11-09 | United Technologies Corporation | Pressure sensor |
DE3625818A1 (de) * | 1986-07-30 | 1988-02-04 | Irbit Research & Consulting Ag | Verfahren und vorrichtung zur herstellung von formteilen |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3475525A (en) * | 1966-09-22 | 1969-10-28 | Timothy V Peters | Process of reticulating polyurethane foams |
US3577519A (en) * | 1968-11-29 | 1971-05-04 | Olin Mathieson | Process for controlling the amount of densification in polyurethane foams and products produced thereby |
-
1979
- 1979-10-17 GB GB7936110A patent/GB2050395B/en not_active Expired
- 1979-10-30 DE DE19792943859 patent/DE2943859A1/de active Granted
- 1979-12-13 CA CA000341845A patent/CA1120223A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4334453C2 (de) * | 1992-10-15 | 2002-10-24 | Greiner & Soehne C A | Verfahren zur Herstellung von Schaumstoffelementen aus einer Platte oder mehreren Einzelplatten sowie Schaumstoffelement |
DE102006032830A1 (de) * | 2006-07-14 | 2008-01-17 | Schmidt & Heinzmann Gmbh & Co. Kg | Vorrichtung zum Transportieren eines Materialstrangs |
Also Published As
Publication number | Publication date |
---|---|
DE2943859A1 (de) | 1980-12-04 |
CA1120223A (en) | 1982-03-23 |
GB2050395A (en) | 1981-01-07 |
GB2050395B (en) | 1983-03-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
AF | Is addition to no. |
Ref country code: DE Ref document number: 2904943 Format of ref document f/p: P |
|
AF | Is addition to no. |
Ref country code: DE Ref document number: 2904943 Format of ref document f/p: P |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8340 | Patent of addition ceased/non-payment of fee of main patent |