GB1241805A - A method and apparatus for the continuous production of foam plastics webs of rectangular cross-section - Google Patents

A method and apparatus for the continuous production of foam plastics webs of rectangular cross-section

Info

Publication number
GB1241805A
GB1241805A GB34422/68A GB3442268A GB1241805A GB 1241805 A GB1241805 A GB 1241805A GB 34422/68 A GB34422/68 A GB 34422/68A GB 3442268 A GB3442268 A GB 3442268A GB 1241805 A GB1241805 A GB 1241805A
Authority
GB
United Kingdom
Prior art keywords
foam plastics
section
rectangular cross
continuous production
plastics
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
GB34422/68A
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.)
Metzeler AG
Original Assignee
Metzeler AG
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 Metzeler AG filed Critical Metzeler AG
Publication of GB1241805A publication Critical patent/GB1241805A/en
Expired 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
    • B29C44/20—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
    • B29C44/28—Expanding the moulding material on continuous moving surfaces without restricting the upwards growth of the foam
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/84—Conversion of foamed resinous buns into foamed billets having geo metrical crosssections

Landscapes

  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulding By Coating Moulds (AREA)

Abstract

1,241,805. Casting foamed webs. METZELER A.G. 18 July, 1968 [18 July, 1967], No. 34422/68. Heading B5A. In the continuous casting of a web of foam plastics means are provided to ensure that the web has a flat top. The plastics is cast in an open-topped channel having a moving base and stationary side walls and a flexible single or multipart lining. At the start of the channel the side walls are so shaped that the lining wall has an angular or curved configuration from which it is gradually diverted to assume a vertical disposition so that as the plastics expands and rises a flat top is produced.
GB34422/68A 1967-07-18 1968-07-18 A method and apparatus for the continuous production of foam plastics webs of rectangular cross-section Expired GB1241805A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1704837 1967-07-18

Publications (1)

Publication Number Publication Date
GB1241805A true GB1241805A (en) 1971-08-04

Family

ID=5688764

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34422/68A Expired GB1241805A (en) 1967-07-18 1968-07-18 A method and apparatus for the continuous production of foam plastics webs of rectangular cross-section

Country Status (3)

Country Link
US (1) US3596313A (en)
DE (2) DE1704837B2 (en)
GB (1) GB1241805A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3751197A (en) * 1969-10-17 1973-08-07 Hellenic Plastics Rubber Apparatus for production of polymeric foam
US4252757A (en) * 1979-05-11 1981-02-24 Accuratio Systems, Inc. Method and apparatus for making foamed plastic slab
NO894583L (en) * 1989-07-17 1991-01-18 Placell As PROCEDURE FOR CELLPLAST MANUFACTURING.
US5527172A (en) * 1994-04-15 1996-06-18 Carpenter Co. Apparatus for forming a foam product
US5670101A (en) * 1996-01-26 1997-09-23 Shell Oil Company Process to prepare foams from high internal phase emulsions
US7607911B2 (en) 2006-04-26 2009-10-27 Sealed Air Corporation (Us) Method and apparatus for making foam-in-place cushions with selective distribution of foam
CN109203341B (en) * 2018-09-07 2020-08-14 江苏德励达新材料有限公司 Polyurethane foam sandwich board processing equipment and foam sandwich board processing technology

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124835A (en) * 1964-03-17 Laminating apparatus
US3123856A (en) * 1964-03-10 figure
US3249486A (en) * 1962-06-29 1966-05-03 Nat Gypsum Co Method and apparatus for producing foamed synthetic resins
US3240846A (en) * 1962-08-06 1966-03-15 Allied Chem Method and apparatus for preparing polyurethane foam sandwich structure
US3325823A (en) * 1964-03-16 1967-06-13 Reeves Bros Inc Manufacture of foam material
US3432580A (en) * 1966-01-13 1969-03-11 Synfibrit Gmbh & Co Method and means for producing foamed silicate articles

Also Published As

Publication number Publication date
DE1704837B2 (en) 1974-07-18
DE1704837C3 (en) 1975-03-27
US3596313A (en) 1971-08-03
DE1704837A1 (en) 1972-03-02

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