BR7706847A - Aperfeicoamento em aparelho e em processo para fabricar espuma poliuretana flexivel compactada - Google Patents

Aperfeicoamento em aparelho e em processo para fabricar espuma poliuretana flexivel compactada

Info

Publication number
BR7706847A
BR7706847A BR7706847A BR7706847A BR7706847A BR 7706847 A BR7706847 A BR 7706847A BR 7706847 A BR7706847 A BR 7706847A BR 7706847 A BR7706847 A BR 7706847A BR 7706847 A BR7706847 A BR 7706847A
Authority
BR
Brazil
Prior art keywords
appliance
improvement
polyurethane foam
flexible polyurethane
compacted flexible
Prior art date
Application number
BR7706847A
Other languages
English (en)
Inventor
A Milford
O Proulx
Original Assignee
Olin Corp
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 Olin Corp filed Critical Olin Corp
Publication of BR7706847A publication Critical patent/BR7706847A/pt

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
BR7706847A 1976-11-02 1977-10-13 Aperfeicoamento em aparelho e em processo para fabricar espuma poliuretana flexivel compactada BR7706847A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/738,262 US4134945A (en) 1976-11-02 1976-11-02 Method and apparatus for making foam

Publications (1)

Publication Number Publication Date
BR7706847A true BR7706847A (pt) 1978-07-04

Family

ID=24967269

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7706847A BR7706847A (pt) 1976-11-02 1977-10-13 Aperfeicoamento em aparelho e em processo para fabricar espuma poliuretana flexivel compactada

Country Status (4)

Country Link
US (1) US4134945A (pt)
JP (1) JPS5363471A (pt)
BR (1) BR7706847A (pt)
CA (1) CA1098669A (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4338072A (en) * 1978-08-09 1982-07-06 Olin Corporation Apparatus for crusing partially cured freely risen foam
US4344902A (en) * 1978-08-09 1982-08-17 Olin Corporation Process for manufacturing flexible densified polymethane foam
US4454248A (en) * 1982-09-29 1984-06-12 The Boeing Company Open cell rigid thermoset foams and method
DE68911128T2 (de) * 1989-04-20 1994-05-26 Dumo Plastics Roeselare Nv Komprimiervorrichtung.
US5124097A (en) * 1991-02-08 1992-06-23 The Dow Chemical Company Method of providing closed-cell polyolefin foam having reduced blowing agent content to the end user
US5338765A (en) * 1993-11-23 1994-08-16 Schuller International, Inc. Method of and apparatus for continuously foaming a polyimide powder
EP2158924A1 (de) * 2008-08-27 2010-03-03 Bayer MaterialScience AG Verfahren zur Herstellung von geformten Polyurethanschaum-Wundauflagen
US10145101B2 (en) * 2011-06-27 2018-12-04 Kingspan Holdings (Irl) Limited Method and apparatus for manufacturing an insulation panel

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2326889A (en) * 1942-07-15 1943-08-17 Kurt W Schulz Apparatus for making insulating material
US3147164A (en) * 1959-04-06 1964-09-01 Caradco Inc Method of making shaped laminated resinous products
US3112524A (en) * 1961-04-25 1963-12-03 Dow Chemical Co Apparatus for curing foamed materials
US3298884A (en) * 1965-10-07 1967-01-17 Specialty Converters Method of manufacturing reinforced plastic foam in sheet form
FR1550293A (pt) * 1967-11-02 1968-12-20
US3506600A (en) * 1968-11-29 1970-04-14 Olin Mathieson Crush-before-curing process for producing densified polyurethane foam
US3993426A (en) * 1971-11-22 1976-11-23 Eduard Kusters Continuous press having improved anti-friction rollers
DE2225204A1 (de) * 1972-05-24 1974-01-03 Rudolf Dr Ing Ernst Vorrichtung zur herstellung von kaschierten hartschaumplatten auf der basis von polyurethan
JPS4975952U (pt) * 1972-10-17 1974-07-02
US3860368A (en) * 1973-04-04 1975-01-14 Into Kerttula Continuous action board press
DE2419706A1 (de) * 1974-04-24 1975-11-06 Sandco Ltd Doppelbandpresse

Also Published As

Publication number Publication date
JPS6158283B2 (pt) 1986-12-11
US4134945A (en) 1979-01-16
JPS5363471A (en) 1978-06-06
CA1098669A (en) 1981-04-07

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