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
Application number
DE19792943859
Other versions
DE2943859A1 (de
Inventor
Winslow Lockwood Wood Dale Ill. Us Pettingell
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.)
FOAM CUTTING ENGINEERS Inc ADDISON ILL US
Original Assignee
FOAM CUTTING ENGINEERS Inc ADDISON ILL US
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
Priority claimed from US06/044,042 external-priority patent/US4228076A/en
Application filed by FOAM CUTTING ENGINEERS Inc ADDISON ILL US filed Critical FOAM CUTTING ENGINEERS Inc ADDISON ILL US
Publication of DE2943859A1 publication Critical patent/DE2943859A1/de
Application granted granted Critical
Publication of DE2943859C2 publication Critical patent/DE2943859C2/de
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
    • 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
DE19792943859 1979-05-31 1979-10-30 Verfahren zum verdichten von offenzelligem polyurethan-schaumstoff Granted DE2943859A1 (de)

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 (de) 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 (de)
DE (1) DE2943859A1 (de)
GB (1) GB2050395B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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
GB2050395A (en) 1981-01-07
CA1120223A (en) 1982-03-23
DE2943859A1 (de) 1980-12-04
GB2050395B (en) 1983-03-16

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