GB1289863A - - Google Patents

Info

Publication number
GB1289863A
GB1289863A GB1289863DA GB1289863A GB 1289863 A GB1289863 A GB 1289863A GB 1289863D A GB1289863D A GB 1289863DA GB 1289863 A GB1289863 A GB 1289863A
Authority
GB
United Kingdom
Prior art keywords
die
portions
relatively
foamed
oct
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
Other languages
English (en)
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 GB1289863A publication Critical patent/GB1289863A/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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/695—Flow dividers, e.g. breaker plates
    • B29C48/70—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB1289863D 1968-10-21 1969-10-13 Expired GB1289863A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7606868 1968-10-21

Publications (1)

Publication Number Publication Date
GB1289863A true GB1289863A (xx) 1972-09-20

Family

ID=13594445

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1289863D Expired GB1289863A (xx) 1968-10-21 1969-10-13

Country Status (3)

Country Link
DE (1) DE1952753C3 (xx)
FR (1) FR2021162A1 (xx)
GB (1) GB1289863A (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2015190A1 (de) * 1970-03-28 1971-10-21 Huels Chemische Werke Ag Verfahren und Vorrichtung fur die kontinuierliche Herstellung von Profilen mit einem Schaumstoffkern und einem Mantel aus thermoplastischem Kunststoff
JPS491428Y1 (xx) * 1970-06-26 1974-01-14
JPS534228Y2 (xx) * 1972-03-07 1978-02-02
JPS534229Y2 (xx) * 1972-03-07 1978-02-02
US4185060A (en) * 1978-03-17 1980-01-22 Ladney M Jr Method of manufacturing structural foam plastic products free from undesirable contaminant constituents

Also Published As

Publication number Publication date
DE1952753C3 (de) 1976-01-08
DE1952753B2 (de) 1973-04-19
DE1952753A1 (de) 1970-05-21
FR2021162A1 (xx) 1970-07-17

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee