IT1034271B - Dispositivo e procedimento per la fabbricazione di tubi dimateriale termoplastico - Google Patents

Dispositivo e procedimento per la fabbricazione di tubi dimateriale termoplastico

Info

Publication number
IT1034271B
IT1034271B IT21256/75A IT2125675A IT1034271B IT 1034271 B IT1034271 B IT 1034271B IT 21256/75 A IT21256/75 A IT 21256/75A IT 2125675 A IT2125675 A IT 2125675A IT 1034271 B IT1034271 B IT 1034271B
Authority
IT
Italy
Prior art keywords
procedure
manufacture
thermoplastic material
material pipes
pipes
Prior art date
Application number
IT21256/75A
Other languages
English (en)
Original Assignee
Du Pont
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
Priority claimed from US451118A external-priority patent/US3910745A/en
Priority claimed from US05/451,119 external-priority patent/US3941546A/en
Application filed by Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of IT1034271B publication Critical patent/IT1034271B/it

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
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/06—Making preforms having internal stresses, e.g. plastic memory
    • B29C61/08—Making preforms having internal stresses, e.g. plastic memory by stretching 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/40—Plastics, e.g. foam or rubber
    • 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
    • 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
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • 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
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • B29C2049/4874—Moulds characterised by the material, e.g. having different thermal conductivities or hardness
    • 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
    • B29K2879/00—Use of polymers having nitrogen, with or without oxygen, or carbon only, in the main chain not provided for in groups B29K2861/00 - B29K2877/00, as mould material

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
IT21256/75A 1974-03-14 1975-03-13 Dispositivo e procedimento per la fabbricazione di tubi dimateriale termoplastico IT1034271B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US451118A US3910745A (en) 1974-03-14 1974-03-14 Tube shaping apparatus
US05/451,119 US3941546A (en) 1974-03-14 1974-03-14 Apparatus and process

Publications (1)

Publication Number Publication Date
IT1034271B true IT1034271B (it) 1979-09-10

Family

ID=27036245

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21256/75A IT1034271B (it) 1974-03-14 1975-03-13 Dispositivo e procedimento per la fabbricazione di tubi dimateriale termoplastico

Country Status (5)

Country Link
DE (1) DE2503609C2 (it)
FR (1) FR2263875B1 (it)
GB (1) GB1494257A (it)
IT (1) IT1034271B (it)
NL (1) NL7503009A (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114770913B (zh) * 2022-04-21 2023-08-25 南通宝田包装科技有限公司 一种pe塑料管热拉装置
CN117482850B (zh) * 2024-01-03 2024-03-05 山西格瑞思科技有限公司 一种中空纤维气体膜材料聚酰亚胺的加工设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1530901A (en) * 1924-04-02 1925-03-24 Dunlop Tire & Rubber Corp Tube-splicing mandrel
US2678677A (en) * 1945-10-31 1954-05-18 David E Hervey Tube forming apparatus
US2999272A (en) * 1957-10-09 1961-09-12 Studebaker Packard Corp Machine for forming pre-stressed hollow articles
GB1280172A (en) * 1969-11-05 1972-07-05 Pennsylvania Fluorocarbon Comp Heat shrinkable fluorocarbon tubing

Also Published As

Publication number Publication date
NL7503009A (nl) 1975-09-16
DE2503609A1 (de) 1975-09-18
FR2263875A1 (it) 1975-10-10
DE2503609C2 (de) 1986-06-05
GB1494257A (en) 1977-12-07
FR2263875B1 (it) 1978-12-08

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