SU520888A3 - Method of forming a hollow billet of thermoplastic material - Google Patents

Method of forming a hollow billet of thermoplastic material

Info

Publication number
SU520888A3
SU520888A3 SU1979976A SU1979976A SU520888A3 SU 520888 A3 SU520888 A3 SU 520888A3 SU 1979976 A SU1979976 A SU 1979976A SU 1979976 A SU1979976 A SU 1979976A SU 520888 A3 SU520888 A3 SU 520888A3
Authority
SU
USSR - Soviet Union
Prior art keywords
forming
thermoplastic material
hollow billet
workpiece
core
Prior art date
Application number
SU1979976A
Other languages
Russian (ru)
Inventor
Лахнер Отто
Байерлайн Людвиг
Шпелтхан Клаус
Original Assignee
Юнилевер Н.В. (Фирма)
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 Юнилевер Н.В. (Фирма) filed Critical Юнилевер Н.В. (Фирма)
Application granted granted Critical
Publication of SU520888A3 publication Critical patent/SU520888A3/en

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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/06—Injection blow-moulding
    • 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
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C2049/023—Combined blow-moulding and manufacture of the preform or the parison using inherent heat of the preform, i.e. 1 step blow moulding

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Claims (1)

Формула изобретени Invention Formula Способ формовани  полой заготовки из термопластичного материала путем впрыска нагретого материала в формующею полость, образованную .се.рдёчдиком и формой, о/тличающийс  тем.A method for forming a hollow billet of thermoplastic material by injecting heated material into a forming cavity formed by a solid and mold, about /. что, с целью обеспечени  требуемого распределени  температур по заготовке, формующую полость вакуумируют через продувочный канал сердечника в процессе впрыска материала и до полного отверждени  заготовки дл  плотного обжати  сердечника заготовкой.that, in order to ensure the required temperature distribution over the workpiece, the forming cavity is evacuated through the core blowing channel during the material injection process and until the workpiece is completely cured to compact the core with the workpiece.
SU1979976A 1972-12-14 1973-12-13 Method of forming a hollow billet of thermoplastic material SU520888A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2261174A DE2261174A1 (en) 1972-12-14 1972-12-14 METHOD AND DEVICE FOR MANUFACTURING PRE-FORMS FROM THERMOPLASTICS

Publications (1)

Publication Number Publication Date
SU520888A3 true SU520888A3 (en) 1976-07-05

Family

ID=5864392

Family Applications (1)

Application Number Title Priority Date Filing Date
SU1979976A SU520888A3 (en) 1972-12-14 1973-12-13 Method of forming a hollow billet of thermoplastic material

Country Status (9)

Country Link
JP (1) JPS501160A (en)
CA (1) CA1021915A (en)
CS (1) CS178905B2 (en)
DD (1) DD108932A5 (en)
DE (1) DE2261174A1 (en)
FR (1) FR2210499B1 (en)
GB (1) GB1450108A (en)
IT (1) IT999977B (en)
SU (1) SU520888A3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3930388A1 (en) * 1989-09-12 1991-03-21 Metzeler Gmbh Moulding rubber undercut bellows shapes - by injection moulding preform without undercuts, placing this plus its core tool in final mould, extending core, inflating preform

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1430090A (en) * 1964-02-03 1966-03-04 Improvements in methods and devices for manufacturing hollow objects, by blowing a plastic preform

Also Published As

Publication number Publication date
DD108932A5 (en) 1974-10-12
FR2210499B1 (en) 1976-10-08
CS178905B2 (en) 1977-10-31
GB1450108A (en) 1976-09-22
JPS501160A (en) 1975-01-08
CA1021915A (en) 1977-12-06
DE2261174A1 (en) 1974-06-27
FR2210499A1 (en) 1974-07-12
IT999977B (en) 1976-03-10

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