FR2294827A1 - Procede et dispositif pour rompre les cellules fermees de pieces en materiau cellulaire mou - Google Patents
Procede et dispositif pour rompre les cellules fermees de pieces en materiau cellulaire mouInfo
- Publication number
- FR2294827A1 FR2294827A1 FR7539155A FR7539155A FR2294827A1 FR 2294827 A1 FR2294827 A1 FR 2294827A1 FR 7539155 A FR7539155 A FR 7539155A FR 7539155 A FR7539155 A FR 7539155A FR 2294827 A1 FR2294827 A1 FR 2294827A1
- Authority
- FR
- France
- Prior art keywords
- parts
- cellular material
- closed cells
- soft cellular
- breaking closed
- 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.)
- Granted
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742460910 DE2460910B2 (de) | 1974-12-21 | 1974-12-21 | Vorrichtung zum aufbrechen der geschlossenen zellen von weichschaumstoffteilen |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2294827A1 true FR2294827A1 (fr) | 1976-07-16 |
FR2294827B1 FR2294827B1 (fr) | 1980-08-29 |
Family
ID=5934297
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7539155A Granted FR2294827A1 (fr) | 1974-12-21 | 1975-12-19 | Procede et dispositif pour rompre les cellules fermees de pieces en materiau cellulaire mou |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5189569A (fr) |
BE (1) | BE836862A (fr) |
DE (1) | DE2460910B2 (fr) |
ES (1) | ES443693A1 (fr) |
FR (1) | FR2294827A1 (fr) |
GB (1) | GB1530163A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2428519A1 (fr) * | 1978-06-13 | 1980-01-11 | Ameublement Ind Et Tech | Bouchon pour trou de coulee de matiere expansee dans un moule |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5731976A (en) * | 1980-08-05 | 1982-02-20 | Nhk Spring Co Ltd | Production of polyurethane form sealing material |
US4579700A (en) * | 1983-11-07 | 1986-04-01 | Union Carbide Corporation | Novel process for making flexible polyurethane cellular products including a novel cell opening technique |
ATA129392A (de) * | 1992-06-25 | 1999-02-15 | Greiner & Soehne C A | Schaumstoffplatte, insbesondere formteil aus einer oder mehreren schaumstoffplatten |
DE59807201D1 (de) * | 1997-08-22 | 2003-03-20 | Deutsch Zentr Luft & Raumfahrt | Von fluiden durchströmbarer, poröser körper mit diesen durchziehenden kanälen und verfahren zum herstellen des körpers |
JPH11347269A (ja) | 1998-06-08 | 1999-12-21 | Ikeda Bussan Co Ltd | パッド材のクラッシング装置 |
GB2401108A (en) * | 2003-05-02 | 2004-11-03 | Sun Own Ind Co Ltd | Vacuum cell bursting method |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3239585A (en) * | 1962-05-11 | 1966-03-08 | Dow Chemical Co | Shock treatment of plastic foams |
DE2118739A1 (de) * | 1971-04-17 | 1973-03-15 | Tech Akustik Gmbh & Co | Verfahren und vorrichtung zum oeffnen von in weichschaumformkoerpern vorliegenden geschlossenen zellen |
-
1974
- 1974-12-21 DE DE19742460910 patent/DE2460910B2/de not_active Withdrawn
-
1975
- 1975-10-31 GB GB45235/75A patent/GB1530163A/en not_active Expired
- 1975-12-19 BE BE162929A patent/BE836862A/fr unknown
- 1975-12-19 FR FR7539155A patent/FR2294827A1/fr active Granted
- 1975-12-19 ES ES443693A patent/ES443693A1/es not_active Expired
- 1975-12-20 JP JP50151259A patent/JPS5189569A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3239585A (en) * | 1962-05-11 | 1966-03-08 | Dow Chemical Co | Shock treatment of plastic foams |
DE2118739A1 (de) * | 1971-04-17 | 1973-03-15 | Tech Akustik Gmbh & Co | Verfahren und vorrichtung zum oeffnen von in weichschaumformkoerpern vorliegenden geschlossenen zellen |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2428519A1 (fr) * | 1978-06-13 | 1980-01-11 | Ameublement Ind Et Tech | Bouchon pour trou de coulee de matiere expansee dans un moule |
Also Published As
Publication number | Publication date |
---|---|
DE2460910A1 (de) | 1976-07-01 |
BE836862A (fr) | 1976-06-21 |
ES443693A1 (es) | 1977-05-01 |
DE2460910B2 (de) | 1977-07-21 |
FR2294827B1 (fr) | 1980-08-29 |
JPS5189569A (fr) | 1976-08-05 |
GB1530163A (en) | 1978-10-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |