ES443693A1 - Procedimiento y dispositivo para romper las celdas cerradas en piezas de material espumado blando. - Google Patents

Procedimiento y dispositivo para romper las celdas cerradas en piezas de material espumado blando.

Info

Publication number
ES443693A1
ES443693A1 ES443693A ES443693A ES443693A1 ES 443693 A1 ES443693 A1 ES 443693A1 ES 443693 A ES443693 A ES 443693A ES 443693 A ES443693 A ES 443693A ES 443693 A1 ES443693 A1 ES 443693A1
Authority
ES
Spain
Prior art keywords
closed cells
bursting
elastic foam
foam pieces
foamed material
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.)
Expired
Application number
ES443693A
Other languages
English (en)
Spanish (es)
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.)
Maschinenfabrik Hennecke GmbH
Bayer AG
Hennecke GmbH
Original Assignee
Maschinenfabrik Hennecke GmbH
Bayer AG
Hennecke GmbH
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 Maschinenfabrik Hennecke GmbH, Bayer AG, Hennecke GmbH filed Critical Maschinenfabrik Hennecke GmbH
Publication of ES443693A1 publication Critical patent/ES443693A1/es
Expired 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

Landscapes

  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
ES443693A 1974-12-21 1975-12-19 Procedimiento y dispositivo para romper las celdas cerradas en piezas de material espumado blando. Expired ES443693A1 (es)

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 (1)

Publication Number Publication Date
ES443693A1 true ES443693A1 (es) 1977-05-01

Family

ID=5934297

Family Applications (1)

Application Number Title Priority Date Filing Date
ES443693A Expired ES443693A1 (es) 1974-12-21 1975-12-19 Procedimiento y dispositivo para romper las celdas cerradas en piezas de material espumado blando.

Country Status (6)

Country Link
JP (1) JPS5189569A (enrdf_load_stackoverflow)
BE (1) BE836862A (enrdf_load_stackoverflow)
DE (1) DE2460910B2 (enrdf_load_stackoverflow)
ES (1) ES443693A1 (enrdf_load_stackoverflow)
FR (1) FR2294827A1 (enrdf_load_stackoverflow)
GB (1) GB1530163A (enrdf_load_stackoverflow)

Families Citing this family (8)

* 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
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
US6311485B1 (en) * 1997-08-22 2001-11-06 Deutsches Zentrum Fuer Gas exhaust system
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
US11260581B2 (en) * 2020-06-03 2022-03-01 Sakuu Corporation Jetted material printer with pressure-assisted fluid extraction

Family Cites Families (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

Also Published As

Publication number Publication date
BE836862A (fr) 1976-06-21
DE2460910B2 (de) 1977-07-21
DE2460910A1 (de) 1976-07-01
GB1530163A (en) 1978-10-25
FR2294827B1 (enrdf_load_stackoverflow) 1980-08-29
JPS5189569A (enrdf_load_stackoverflow) 1976-08-05
FR2294827A1 (fr) 1976-07-16

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