JPS54163969A - Method of densifying open cell polyurethane material - Google Patents

Method of densifying open cell polyurethane material

Info

Publication number
JPS54163969A
JPS54163969A JP1287179A JP1287179A JPS54163969A JP S54163969 A JPS54163969 A JP S54163969A JP 1287179 A JP1287179 A JP 1287179A JP 1287179 A JP1287179 A JP 1287179A JP S54163969 A JPS54163969 A JP S54163969A
Authority
JP
Japan
Prior art keywords
densifying
open cell
polyurethane material
cell polyurethane
open
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.)
Pending
Application number
JP1287179A
Other languages
English (en)
Japanese (ja)
Inventor
Rotsukuutsudo Peteing Uinsurou
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 ENG
Original Assignee
FOAM CUTTING ENG
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 FOAM CUTTING ENG filed Critical FOAM CUTTING ENG
Publication of JPS54163969A publication Critical patent/JPS54163969A/ja
Pending 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
JP1287179A 1978-02-10 1979-02-08 Method of densifying open cell polyurethane material Pending JPS54163969A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87673678A 1978-02-10 1978-02-10

Publications (1)

Publication Number Publication Date
JPS54163969A true JPS54163969A (en) 1979-12-27

Family

ID=25368461

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1287179A Pending JPS54163969A (en) 1978-02-10 1979-02-08 Method of densifying open cell polyurethane material

Country Status (3)

Country Link
JP (1) JPS54163969A (fi)
DE (1) DE2904943C2 (fi)
GB (1) GB2014168B (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5695976A (en) * 1979-12-28 1981-08-03 Toray Silicone Co Ltd Application of two_component silicone sealant

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4260575A (en) * 1979-11-05 1981-04-07 Koss Corporation Method for molding ear cushions
JPS59199222A (ja) * 1983-04-27 1984-11-12 Sekisui Chem Co Ltd 熱可塑性樹脂発泡体の製造方法およびその製造装置
GB8912701D0 (en) * 1989-06-02 1989-07-19 Hyman Int Ltd Production of porous materials
US5702652A (en) * 1990-05-31 1997-12-30 Crain Industries, Inc. Controlled cooling of porous materials
DE4041864A1 (de) * 1990-12-27 1992-07-02 Helmut Pelzer Wiederverwertung duroplastischer polyurethanschaumteile
US5171756A (en) * 1991-07-31 1992-12-15 Crain Industries, Inc. Three stage cooling of porous materials

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
JPS5695976A (en) * 1979-12-28 1981-08-03 Toray Silicone Co Ltd Application of two_component silicone sealant
JPS6364480B2 (fi) * 1979-12-28 1988-12-12

Also Published As

Publication number Publication date
DE2904943A1 (de) 1979-08-16
DE2904943C2 (de) 1987-04-09
GB2014168A (en) 1979-08-22
GB2014168B (en) 1982-07-21

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