GB1348415A - Process and apparatus for continuous production of sections having an expanded plastics core and a thermoplastics coating - Google Patents

Process and apparatus for continuous production of sections having an expanded plastics core and a thermoplastics coating

Info

Publication number
GB1348415A
GB1348415A GB2534471A GB2534471A GB1348415A GB 1348415 A GB1348415 A GB 1348415A GB 2534471 A GB2534471 A GB 2534471A GB 2534471 A GB2534471 A GB 2534471A GB 1348415 A GB1348415 A GB 1348415A
Authority
GB
United Kingdom
Prior art keywords
passage
die
unfoamed
plastics
sections
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
GB2534471A
Other languages
English (en)
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.)
Huels AG
Original Assignee
Chemische Werke Huels 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 Chemische Werke Huels AG filed Critical Chemische Werke Huels AG
Publication of GB1348415A publication Critical patent/GB1348415A/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
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/468—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length in a plurality of parallel streams which unite during the foaming
    • 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
    • B29C44/22—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities

Landscapes

  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB2534471A 1970-03-28 1971-04-19 Process and apparatus for continuous production of sections having an expanded plastics core and a thermoplastics coating Expired GB1348415A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702015190 DE2015190A1 (de) 1970-03-28 1970-03-28 Verfahren und Vorrichtung fur die kontinuierliche Herstellung von Profilen mit einem Schaumstoffkern und einem Mantel aus thermoplastischem Kunststoff

Publications (1)

Publication Number Publication Date
GB1348415A true GB1348415A (en) 1974-03-20

Family

ID=5766690

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2534471A Expired GB1348415A (en) 1970-03-28 1971-04-19 Process and apparatus for continuous production of sections having an expanded plastics core and a thermoplastics coating

Country Status (4)

Country Link
DE (1) DE2015190A1 (de)
FR (1) FR2083635B1 (de)
GB (1) GB1348415A (de)
SE (1) SE360594B (de)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1289863A (de) * 1968-10-21 1972-09-20

Also Published As

Publication number Publication date
SE360594B (de) 1973-10-01
FR2083635A1 (de) 1971-12-17
FR2083635B1 (de) 1974-03-01
DE2015190A1 (de) 1971-10-21

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees