GB843443A - Improvements in injection moulding and machines therefor - Google Patents

Improvements in injection moulding and machines therefor

Info

Publication number
GB843443A
GB843443A GB2482556A GB2482556A GB843443A GB 843443 A GB843443 A GB 843443A GB 2482556 A GB2482556 A GB 2482556A GB 2482556 A GB2482556 A GB 2482556A GB 843443 A GB843443 A GB 843443A
Authority
GB
United Kingdom
Prior art keywords
injection moulding
machines therefor
therefor
machines
article
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
GB2482556A
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.)
NORBERT CHATELET
Original Assignee
NORBERT CHATELET
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 NORBERT CHATELET filed Critical NORBERT CHATELET
Priority to GB2482556A priority Critical patent/GB843443A/en
Publication of GB843443A publication Critical patent/GB843443A/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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/57—Exerting after-pressure on the moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The "follow-up" pressure applied to an injection-moulded article is varied to compensate for the rate of change of shrinkage and cooling of the article. The control device is cam operated.
GB2482556A 1956-08-14 1956-08-14 Improvements in injection moulding and machines therefor Expired GB843443A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2482556A GB843443A (en) 1956-08-14 1956-08-14 Improvements in injection moulding and machines therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2482556A GB843443A (en) 1956-08-14 1956-08-14 Improvements in injection moulding and machines therefor

Publications (1)

Publication Number Publication Date
GB843443A true GB843443A (en) 1960-08-04

Family

ID=10217809

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2482556A Expired GB843443A (en) 1956-08-14 1956-08-14 Improvements in injection moulding and machines therefor

Country Status (1)

Country Link
GB (1) GB843443A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2476841A1 (en) * 1980-02-26 1981-08-28 Ibar Jean Pierre Altering physical or physico:chemical properties of polymers etc. - by combining cooling with other effects such as pressure and vibration

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2476841A1 (en) * 1980-02-26 1981-08-28 Ibar Jean Pierre Altering physical or physico:chemical properties of polymers etc. - by combining cooling with other effects such as pressure and vibration

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