FR2014989A1 - Continuous extrusion of helically corrugated (poly - flourocarbon) tubing - Google Patents

Continuous extrusion of helically corrugated (poly - flourocarbon) tubing

Info

Publication number
FR2014989A1
FR2014989A1 FR6926631A FR6926631A FR2014989A1 FR 2014989 A1 FR2014989 A1 FR 2014989A1 FR 6926631 A FR6926631 A FR 6926631A FR 6926631 A FR6926631 A FR 6926631A FR 2014989 A1 FR2014989 A1 FR 2014989A1
Authority
FR
France
Prior art keywords
mandrel
corrugated
esp
conduit
tubing
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.)
Withdrawn
Application number
FR6926631A
Other languages
English (en)
French (fr)
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.)
Raybestos Manhattan Inc
Original Assignee
Raybestos Manhattan Inc
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 Raybestos Manhattan Inc filed Critical Raybestos Manhattan Inc
Publication of FR2014989A1 publication Critical patent/FR2014989A1/fr
Withdrawn legal-status Critical Current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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/22—Corrugating
    • B29C53/30—Corrugating of tubes
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/0015—Making articles of indefinite length, e.g. corrugated tubes
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • 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)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
FR6926631A 1968-08-02 1969-08-01 Continuous extrusion of helically corrugated (poly - flourocarbon) tubing Withdrawn FR2014989A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74973668A 1968-08-02 1968-08-02

Publications (1)

Publication Number Publication Date
FR2014989A1 true FR2014989A1 (en) 1970-04-24

Family

ID=25014959

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6926631A Withdrawn FR2014989A1 (en) 1968-08-02 1969-08-01 Continuous extrusion of helically corrugated (poly - flourocarbon) tubing

Country Status (4)

Country Link
JP (1) JPS4928266B1 (enrdf_load_stackoverflow)
BE (1) BE736942A (enrdf_load_stackoverflow)
DE (1) DE1939093A1 (enrdf_load_stackoverflow)
FR (1) FR2014989A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2125158A1 (en) * 1971-02-11 1972-09-29 Bosquelle Guy Corrugated plastic pipe - extruded directly with helical corrugations

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54178190U (enrdf_load_stackoverflow) * 1978-06-06 1979-12-15

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2125158A1 (en) * 1971-02-11 1972-09-29 Bosquelle Guy Corrugated plastic pipe - extruded directly with helical corrugations

Also Published As

Publication number Publication date
BE736942A (enrdf_load_stackoverflow) 1970-02-02
JPS4928266B1 (enrdf_load_stackoverflow) 1974-07-25
DE1939093A1 (de) 1970-04-02

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Legal Events

Date Code Title Description
ST Notification of lapse