FR2375973B2 - - Google Patents

Info

Publication number
FR2375973B2
FR2375973B2 FR7639816A FR7639816A FR2375973B2 FR 2375973 B2 FR2375973 B2 FR 2375973B2 FR 7639816 A FR7639816 A FR 7639816A FR 7639816 A FR7639816 A FR 7639816A FR 2375973 B2 FR2375973 B2 FR 2375973B2
Authority
FR
France
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
FR7639816A
Other languages
French (fr)
Other versions
FR2375973A2 (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.)
MEGIAS ETS JOSEPH
Original Assignee
MEGIAS ETS JOSEPH
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 MEGIAS ETS JOSEPH filed Critical MEGIAS ETS JOSEPH
Priority to FR7639816A priority Critical patent/FR2375973A2/fr
Publication of FR2375973A2 publication Critical patent/FR2375973A2/fr
Application granted granted Critical
Publication of FR2375973B2 publication Critical patent/FR2375973B2/fr
Granted 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
    • B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
    • B29C57/02—Belling or enlarging, e.g. combined with forming a groove
    • B29C57/08—Belling or enlarging, e.g. combined with forming a groove using pressure difference
    • 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
    • B29C53/02—Bending or folding
    • B29C53/08—Bending or folding of tubes or other profiled members
    • B29C53/083—Bending or folding of tubes or other profiled members bending longitudinally, i.e. modifying the curvature of the tube axis
    • 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
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/02—Thermal shrinking
    • B29C61/025—Thermal shrinking for the production of hollow or 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
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/0027—Cutting off
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/079—Auxiliary parts or inserts
    • B29C2949/08—Preforms made of several individual parts, e.g. by welding or gluing parts together
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25—Solid
    • B29K2105/253—Preform
    • B29K2105/258—Tubular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/24—Pipe joints or couplings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/24—Pipe joints or couplings
    • B29L2031/243—Elbows

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
FR7639816A 1976-12-30 1976-12-30 Procede perfectionne de formage d'une structure en creux a l'interieur d'un tube notamment tulipe munie d'une gorge Granted FR2375973A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7639816A FR2375973A2 (fr) 1976-12-30 1976-12-30 Procede perfectionne de formage d'une structure en creux a l'interieur d'un tube notamment tulipe munie d'une gorge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7639816A FR2375973A2 (fr) 1976-12-30 1976-12-30 Procede perfectionne de formage d'une structure en creux a l'interieur d'un tube notamment tulipe munie d'une gorge

Publications (2)

Publication Number Publication Date
FR2375973A2 FR2375973A2 (fr) 1978-07-28
FR2375973B2 true FR2375973B2 (cs) 1980-04-04

Family

ID=9181858

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7639816A Granted FR2375973A2 (fr) 1976-12-30 1976-12-30 Procede perfectionne de formage d'une structure en creux a l'interieur d'un tube notamment tulipe munie d'une gorge

Country Status (1)

Country Link
FR (1) FR2375973A2 (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4428900A (en) 1976-09-23 1984-01-31 Yorkshire Imperial Plastics Limited Method of forming a pipe of oriented thermoplastics polymeric material

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1008360C2 (nl) * 1998-02-19 1999-08-20 Wavin Bv Werkwijze en inrichting voor het vormen van een mof aan een buis van biaxiaal georiënteerd thermoplastisch kunststofmateriaal.
ES2179444T3 (es) * 1998-06-11 2003-01-16 Sica Spa Aparato con multiples etapas operativas para moldear bocas acampanadas estables en los tramos finales de union de tubos hechos de material termoplastico.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4428900A (en) 1976-09-23 1984-01-31 Yorkshire Imperial Plastics Limited Method of forming a pipe of oriented thermoplastics polymeric material

Also Published As

Publication number Publication date
FR2375973A2 (fr) 1978-07-28

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