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AU489780B2 - Method and apparatus forthe extrusion of foamable thermoplastic materials - Google Patents
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AU489780B2 - Method and apparatus forthe extrusion of foamable thermoplastic materials - Google Patents

Method and apparatus forthe extrusion of foamable thermoplastic materials

Info

Publication number
AU489780B2
AU489780B2 AU11632/76A AU1163276A AU489780B2 AU 489780 B2 AU489780 B2 AU 489780B2 AU 11632/76 A AU11632/76 A AU 11632/76A AU 1163276 A AU1163276 A AU 1163276A AU 489780 B2 AU489780 B2 AU 489780B2
Authority
AU
Australia
Prior art keywords
thermoplastic materials
foamable thermoplastic
apparatus forthe
extrusion
forthe extrusion
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
AU11632/76A
Other versions
AU1163276A (en
Inventor
Arthur Hoener Guy
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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
Priority claimed from US05/571,657 external-priority patent/US3954929A/en
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of AU489780B2 publication Critical patent/AU489780B2/en
Publication of AU1163276A publication Critical patent/AU1163276A/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
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
AU11632/76A 1975-04-24 1976-03-03 Method and apparatus forthe extrusion of foamable thermoplastic materials Expired AU489780B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/571,657 US3954929A (en) 1973-10-11 1975-04-24 Method and apparatus for the extrusion of foamable thermoplastic materials

Publications (2)

Publication Number Publication Date
AU489780B2 true AU489780B2 (en) 1977-10-13
AU1163276A AU1163276A (en) 1977-10-13

Family

ID=24284557

Family Applications (1)

Application Number Title Priority Date Filing Date
AU11632/76A Expired AU489780B2 (en) 1975-04-24 1976-03-03 Method and apparatus forthe extrusion of foamable thermoplastic materials

Country Status (1)

Country Link
AU (1) AU489780B2 (en)

Also Published As

Publication number Publication date
AU1163276A (en) 1977-10-13

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