FR2465582B1 - - Google Patents

Info

Publication number
FR2465582B1
FR2465582B1 FR8004931A FR8004931A FR2465582B1 FR 2465582 B1 FR2465582 B1 FR 2465582B1 FR 8004931 A FR8004931 A FR 8004931A FR 8004931 A FR8004931 A FR 8004931A FR 2465582 B1 FR2465582 B1 FR 2465582B1
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
FR8004931A
Other languages
French (fr)
Other versions
FR2465582A1 (en
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
Publication of FR2465582A1 publication Critical patent/FR2465582A1/en
Application granted granted Critical
Publication of FR2465582B1 publication Critical patent/FR2465582B1/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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/56—Winding and joining, e.g. winding spirally
    • B29C53/58—Winding and joining, e.g. winding spirally helically
    • B29C53/74—Winding and joining, e.g. winding spirally helically using a forming surface inthe shape of an endless belt which is recycled after the forming operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
FR8004931A 1979-09-25 1980-03-05 Air cooling of rotary mandrels producing helical thermoplastic hose - to reduce superficial degradation and increase throughput of plasticised PVC Granted FR2465582A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT25960/79A IT1123309B (en) 1979-09-25 1979-09-25 IMPROVEMENTS IN THE DEVICES FOR THE PRODUCTION OF EXTRUDED PROFILE PIPES IN PLASTIC MATERIAL

Publications (2)

Publication Number Publication Date
FR2465582A1 FR2465582A1 (en) 1981-03-27
FR2465582B1 true FR2465582B1 (en) 1983-07-08

Family

ID=11218276

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8004931A Granted FR2465582A1 (en) 1979-09-25 1980-03-05 Air cooling of rotary mandrels producing helical thermoplastic hose - to reduce superficial degradation and increase throughput of plasticised PVC

Country Status (4)

Country Link
BE (1) BE882231A (en)
DE (1) DE3007912A1 (en)
FR (1) FR2465582A1 (en)
IT (1) IT1123309B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3421364A1 (en) * 1984-06-08 1985-12-12 Bayer Ag, 5090 Leverkusen METHOD AND DEVICE FOR THE CONTINUOUS PRODUCTION OF LONELY HOLLOW BODIES, ESPECIALLY HOSES, TUBES OR INTERNAL LINERS FOR SUCH, FROM A LIQUID MATERIAL, LIKE REACTION MIXTURE OR MELT

Also Published As

Publication number Publication date
DE3007912A1 (en) 1981-04-09
IT1123309B (en) 1986-04-30
FR2465582A1 (en) 1981-03-27
IT7925960A0 (en) 1979-09-25
BE882231A (en) 1980-07-01

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Legal Events

Date Code Title Description
ST Notification of lapse