NL7001834A - Continuous production of polyurethane foam - coating - Google Patents

Continuous production of polyurethane foam - coating

Info

Publication number
NL7001834A
NL7001834A NL7001834A NL7001834A NL7001834A NL 7001834 A NL7001834 A NL 7001834A NL 7001834 A NL7001834 A NL 7001834A NL 7001834 A NL7001834 A NL 7001834A NL 7001834 A NL7001834 A NL 7001834A
Authority
NL
Netherlands
Prior art keywords
coating
polyurethane foam
continuous production
subjected
carrier
Prior art date
Application number
NL7001834A
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 filed Critical
Publication of NL7001834A publication Critical patent/NL7001834A/en

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
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/30—Expanding the moulding material between endless belts or rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products

Abstract

Raw materials are mixed close to a spray or mould device, sprayed, vapourised cast or spread on a temporary or permanent carrier. Relative motion is provided between the device and the carrier relative to the output of the mixer to obtain a certain foam thickness. The material is subjected to preparatory conditioning and finally subjected to pressure, so that the cellular structure is permanently modified to produce a wholly or partly compressed or moulded end product. Specifically, a metal conveyor belt used for spreading the mix has an anti-stick coating of, (e.g.), Teflon (R.T.M.).
NL7001834A 1969-02-20 1970-02-10 Continuous production of polyurethane foam - coating NL7001834A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE48815 1969-02-20

Publications (1)

Publication Number Publication Date
NL7001834A true NL7001834A (en) 1970-08-24

Family

ID=3840724

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7001834A NL7001834A (en) 1969-02-20 1970-02-10 Continuous production of polyurethane foam - coating

Country Status (3)

Country Link
BR (1) BR7016895D0 (en)
IL (1) IL33849A0 (en)
NL (1) NL7001834A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0642410A4 (en) * 1992-05-28 1995-01-09 Namba Corp Method for shaping cover materials.
EP0782969A1 (en) * 1995-07-24 1997-07-09 Namba Press Works Co., Ltd. Multi-layer seat having different hardness and method for producing the same
US5971730A (en) * 1992-05-28 1999-10-26 Namba Corporation Apparatus for making formed laminate

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0642410A4 (en) * 1992-05-28 1995-01-09 Namba Corp Method for shaping cover materials.
EP0642410A1 (en) * 1992-05-28 1995-03-15 Namba Corp Method for shaping cover materials.
US5971730A (en) * 1992-05-28 1999-10-26 Namba Corporation Apparatus for making formed laminate
EP0782969A1 (en) * 1995-07-24 1997-07-09 Namba Press Works Co., Ltd. Multi-layer seat having different hardness and method for producing the same
EP0782969A4 (en) * 1995-07-24 1999-01-27 Namba Press Kogyo Kk Multi-layer seat having different hardness and method for producing the same

Also Published As

Publication number Publication date
IL33849A0 (en) 1970-04-20
BR7016895D0 (en) 1973-06-12

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