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CA889379A - Tube extruder with longitudinally grooved, rotating core - Google Patents

Tube extruder with longitudinally grooved, rotating core

Info

Publication number
CA889379A
CA889379A CA889379A CA889379DA CA889379A CA 889379 A CA889379 A CA 889379A CA 889379 A CA889379 A CA 889379A CA 889379D A CA889379D A CA 889379DA CA 889379 A CA889379 A CA 889379A
Authority
CA
Canada
Prior art keywords
rotating core
longitudinally grooved
tube extruder
extruder
tube
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
CA889379A
Inventor
S. Nelson Robert
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.)
Dominion Gasket and Manufacturing Co Ltd
Original Assignee
Dominion Gasket and Manufacturing Co Ltd
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 Dominion Gasket and Manufacturing Co Ltd filed Critical Dominion Gasket and Manufacturing Co Ltd
Application granted granted Critical
Publication of CA889379A publication Critical patent/CA889379A/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
    • 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
    • B29C48/33—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles with parts rotatable relative to each other
    • 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
    • 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
    • B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
CA889379A 1969-10-31 1969-10-31 Tube extruder with longitudinally grooved, rotating core Expired CA889379A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA66314 1969-10-31

Publications (1)

Publication Number Publication Date
CA889379A true CA889379A (en) 1971-12-28

Family

ID=4085858

Family Applications (1)

Application Number Title Priority Date Filing Date
CA889379A Expired CA889379A (en) 1969-10-31 1969-10-31 Tube extruder with longitudinally grooved, rotating core

Country Status (2)

Country Link
CA (1) CA889379A (en)
GB (1) GB1284830A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2736843A1 (en) * 1995-07-19 1997-01-24 Centre Nat Rech Scient Porous tube for tangential filtering, e.g. milk, (edible) oils etc. - comprises one surface of tube being irregular and the other smooth

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3939714A1 (en) * 1989-12-01 1991-06-06 Baedje K H Meteor Gummiwerke TUBE
CN101298185B (en) * 2008-06-27 2011-01-19 方墉 Inflation film manufacturing machine rotating mould head for starch biological degradation material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2736843A1 (en) * 1995-07-19 1997-01-24 Centre Nat Rech Scient Porous tube for tangential filtering, e.g. milk, (edible) oils etc. - comprises one surface of tube being irregular and the other smooth

Also Published As

Publication number Publication date
GB1284830A (en) 1972-08-09

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