GB1450108A - Method of injection moulding hollow preforms - Google Patents

Method of injection moulding hollow preforms

Info

Publication number
GB1450108A
GB1450108A GB5772273A GB5772273A GB1450108A GB 1450108 A GB1450108 A GB 1450108A GB 5772273 A GB5772273 A GB 5772273A GB 5772273 A GB5772273 A GB 5772273A GB 1450108 A GB1450108 A GB 1450108A
Authority
GB
United Kingdom
Prior art keywords
injection
mandrel
tube
tip
preform
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.)
Expired
Application number
GB5772273A
Other languages
English (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.)
Unilever PLC
Original Assignee
Unilever PLC
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 Unilever PLC filed Critical Unilever PLC
Publication of GB1450108A publication Critical patent/GB1450108A/en
Expired 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
    • 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)
GB5772273A 1972-12-14 1973-12-13 Method of injection moulding hollow preforms Expired GB1450108A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2261174A DE2261174A1 (de) 1972-12-14 1972-12-14 Verfahren und vorrichtung zur herstellung von vorformlingen aus thermoplasten

Publications (1)

Publication Number Publication Date
GB1450108A true GB1450108A (en) 1976-09-22

Family

ID=5864392

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5772273A Expired GB1450108A (en) 1972-12-14 1973-12-13 Method of injection moulding hollow preforms

Country Status (9)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3930388A1 (de) * 1989-09-12 1991-03-21 Metzeler Gmbh Verfahren zur herstellung von hohlkoerper-formartikeln

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1430090A (fr) * 1964-02-03 1966-03-04 Perfectionnements aux procédés et dispositifs permettant de fabriquer des objets creux, par soufflage d'une préforme en matière plastique

Also Published As

Publication number Publication date
JPS501160A (cs) 1975-01-08
IT999977B (it) 1976-03-10
FR2210499B1 (cs) 1976-10-08
SU520888A3 (ru) 1976-07-05
FR2210499A1 (cs) 1974-07-12
DD108932A5 (cs) 1974-10-12
CS178905B2 (en) 1977-10-31
CA1021915A (en) 1977-12-06
DE2261174A1 (de) 1974-06-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee