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 mou

Info

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
Application number
FR7539155A
Other languages
English (en)
Other versions
FR2294827B1 (fr
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.)
Bayer AG
Original Assignee
Bayer 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
Application filed by Bayer AG filed Critical Bayer AG
Publication of FR2294827A1 publication Critical patent/FR2294827A1/fr
Application granted granted Critical
Publication of FR2294827B1 publication Critical patent/FR2294827B1/fr
Granted 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
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
FR7539155A 1974-12-21 1975-12-19 Procede et dispositif pour rompre les cellules fermees de pieces en materiau cellulaire mou Granted FR2294827A1 (fr)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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