CA1036763A - Filiere a tuyaux - Google Patents

Filiere a tuyaux

Info

Publication number
CA1036763A
CA1036763A CA220,524A CA220524A CA1036763A CA 1036763 A CA1036763 A CA 1036763A CA 220524 A CA220524 A CA 220524A CA 1036763 A CA1036763 A CA 1036763A
Authority
CA
Canada
Prior art keywords
die
extrusion
extrudate
extrusion path
path
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
CA220,524A
Other languages
English (en)
Inventor
Ajit Bose
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA220,524A priority Critical patent/CA1036763A/fr
Application granted granted Critical
Publication of CA1036763A publication Critical patent/CA1036763A/fr
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
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
CA220,524A 1975-02-20 1975-02-20 Filiere a tuyaux Expired CA1036763A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA220,524A CA1036763A (fr) 1975-02-20 1975-02-20 Filiere a tuyaux

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA220,524A CA1036763A (fr) 1975-02-20 1975-02-20 Filiere a tuyaux

Publications (1)

Publication Number Publication Date
CA1036763A true CA1036763A (fr) 1978-08-22

Family

ID=4102336

Family Applications (1)

Application Number Title Priority Date Filing Date
CA220,524A Expired CA1036763A (fr) 1975-02-20 1975-02-20 Filiere a tuyaux

Country Status (1)

Country Link
CA (1) CA1036763A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry

Effective date: 19950822

MKEX Expiry

Effective date: 19950822