AU487139B2 - Extrusion apparatus - Google Patents

Extrusion apparatus

Info

Publication number
AU487139B2
AU487139B2 AU85897/75A AU8589775A AU487139B2 AU 487139 B2 AU487139 B2 AU 487139B2 AU 85897/75 A AU85897/75 A AU 85897/75A AU 8589775 A AU8589775 A AU 8589775A AU 487139 B2 AU487139 B2 AU 487139B2
Authority
AU
Australia
Prior art keywords
extrusion apparatus
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
AU85897/75A
Other versions
AU8589775A (en
Inventor
Albert Kruelskte Donald
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 US431273A external-priority patent/US3914085A/en
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of AU8589775A publication Critical patent/AU8589775A/en
Publication of AU487139B2 publication Critical patent/AU487139B2/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
    • B29C44/505—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 extruding the compound through a flat die
    • 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
    • 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
    • B29C48/07—Flat, e.g. panels
AU85897/75A 1974-01-07 1975-10-21 Extrusion apparatus Expired AU487139B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US431273A US3914085A (en) 1972-05-22 1974-01-07 Extrusion apparatus

Publications (2)

Publication Number Publication Date
AU8589775A AU8589775A (en) 1977-04-28
AU487139B2 true AU487139B2 (en) 1977-04-28

Family

ID=23711216

Family Applications (1)

Application Number Title Priority Date Filing Date
AU85897/75A Expired AU487139B2 (en) 1974-01-07 1975-10-21 Extrusion apparatus

Country Status (1)

Country Link
AU (1) AU487139B2 (en)

Also Published As

Publication number Publication date
AU8589775A (en) 1977-04-28

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