DE3064017D1 - Method and apparatus for the manufacture of flexible polyurethane foam articles - Google Patents

Method and apparatus for the manufacture of flexible polyurethane foam articles

Info

Publication number
DE3064017D1
DE3064017D1 DE8080301526T DE3064017T DE3064017D1 DE 3064017 D1 DE3064017 D1 DE 3064017D1 DE 8080301526 T DE8080301526 T DE 8080301526T DE 3064017 T DE3064017 T DE 3064017T DE 3064017 D1 DE3064017 D1 DE 3064017D1
Authority
DE
Germany
Prior art keywords
manufacture
polyurethane foam
flexible polyurethane
foam articles
articles
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
DE8080301526T
Other languages
English (en)
Inventor
George Woods
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10506248&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3064017(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of DE3064017D1 publication Critical patent/DE3064017D1/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • 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
    • B29C44/3403—Foaming under special conditions, e.g. in sub-atmospheric pressure, in or on a liquid
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/006—Degassing moulding material or draining off gas during moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
DE8080301526T 1979-07-02 1980-05-09 Method and apparatus for the manufacture of flexible polyurethane foam articles Expired DE3064017D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7922988 1979-07-02

Publications (1)

Publication Number Publication Date
DE3064017D1 true DE3064017D1 (en) 1983-08-11

Family

ID=10506248

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080301526T Expired DE3064017D1 (en) 1979-07-02 1980-05-09 Method and apparatus for the manufacture of flexible polyurethane foam articles

Country Status (3)

Country Link
EP (1) EP0023749B1 (de)
DE (1) DE3064017D1 (de)
ES (1) ES8101990A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982000297A1 (en) * 1980-07-15 1982-02-04 J Blackwell Production of synthetic plastics foam material
GB8314010D0 (en) * 1983-05-20 1983-06-29 Unifoam Ag Polymeric foam
CA1290895C (en) * 1986-12-25 1991-10-15 Sadao Kumasaka Method and an apparatus for producing polyurethane foam
BE1004588A3 (nl) * 1990-09-14 1992-12-15 Recticel Werkwijze voor het vervaardigen van soepel polyurethaanschuim.
US5182313A (en) * 1992-01-09 1993-01-26 Scott Carson Method and apparatus for forming articles made of polyurethane
US5456586A (en) 1993-07-07 1995-10-10 Carson; Scott Apparatus for manufacturing articles made of polyurethane
DE19701728C2 (de) * 1997-01-20 1998-12-10 Hennecke Gmbh Verfahren und Vorrichtung zur Herstellung geschäumter Polyurethan-Formkörper
DE10258546B4 (de) * 2002-12-14 2005-03-10 Stankiewicz Gmbh Verfahren und Vorrichtung zur Herstellung geschäumter Polyurethan-Formkörper
DE102004028803A1 (de) * 2004-06-15 2006-01-12 Stankiewicz Gmbh Verfahren und Vorrichtung zur Herstellung hinterschäumter luftdurchlässiger textiler Produkte
CN110171093B (zh) * 2019-06-20 2021-04-16 滁州益佳模具设备制造有限公司 一种均匀上料混合注射的生产用发泡注塑模具

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2613719B2 (de) * 1976-03-31 1980-09-11 Krauss-Maffei Ag, 8000 Muenchen Vorrichtung zum Herstellen von Formkörpern aus einem Gemisch von Kunststoffkomponenten
DE2647482A1 (de) * 1976-10-21 1978-04-27 Bayer Ag Verfahren zur herstellung von kalthaertenden, urethangruppen aufweisenden schaumstoffen

Also Published As

Publication number Publication date
EP0023749B1 (de) 1983-07-06
ES492994A0 (es) 1980-12-16
ES8101990A1 (es) 1980-12-16
EP0023749A1 (de) 1981-02-11

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