FR2442127A1 - Injection moulding appts. - in which back up pressure is applied to the injected material by ram entering the spruce - Google Patents

Injection moulding appts. - in which back up pressure is applied to the injected material by ram entering the spruce

Info

Publication number
FR2442127A1
FR2442127A1 FR7832834A FR7832834A FR2442127A1 FR 2442127 A1 FR2442127 A1 FR 2442127A1 FR 7832834 A FR7832834 A FR 7832834A FR 7832834 A FR7832834 A FR 7832834A FR 2442127 A1 FR2442127 A1 FR 2442127A1
Authority
FR
France
Prior art keywords
mould
core rod
spruce
injected material
pressure
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.)
Withdrawn
Application number
FR7832834A
Other languages
French (fr)
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.)
OI Glass Inc
Original Assignee
Owens Illinois Inc
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 Owens Illinois Inc filed Critical Owens Illinois Inc
Priority to FR7832834A priority Critical patent/FR2442127A1/en
Publication of FR2442127A1 publication Critical patent/FR2442127A1/en
Withdrawn legal-status Critical Current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
    • 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
    • B29C45/03—Injection moulding apparatus
    • B29C45/04—Injection moulding apparatus using movable moulds or mould halves
    • 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
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/44—Removing or ejecting moulded articles for undercut articles

Landscapes

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

Abstract

Plastics material is injected into a mould containing a withdrawable core rod and the mould is moved from the injection device to a pressurising device having a ram which is forwarded into the mould sprue to pressurise the injected material during setting. The core rod cooperates with a pair of neck mould halves which, when the core rod is withdrawn after setting, are forced outwardly away from the article by biasing springs. During the initial withdrawal of the rod outward movement of the neck mould halves is prevented. Pref. the mould is carried from an overhead slightly inclined rod by swinging links and is swung by a cylinder from a lower injection position to an upper pressurising position.
FR7832834A 1978-11-21 1978-11-21 Injection moulding appts. - in which back up pressure is applied to the injected material by ram entering the spruce Withdrawn FR2442127A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7832834A FR2442127A1 (en) 1978-11-21 1978-11-21 Injection moulding appts. - in which back up pressure is applied to the injected material by ram entering the spruce

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7832834A FR2442127A1 (en) 1978-11-21 1978-11-21 Injection moulding appts. - in which back up pressure is applied to the injected material by ram entering the spruce

Publications (1)

Publication Number Publication Date
FR2442127A1 true FR2442127A1 (en) 1980-06-20

Family

ID=9215134

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7832834A Withdrawn FR2442127A1 (en) 1978-11-21 1978-11-21 Injection moulding appts. - in which back up pressure is applied to the injected material by ram entering the spruce

Country Status (1)

Country Link
FR (1) FR2442127A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108274691A (en) * 2018-03-28 2018-07-13 天津中德应用技术大学 Injection mold condensate remove device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH490948A (en) * 1968-05-09 1970-05-31 Ciba Geigy Device for the series production of moldings from cast resin compounds

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH490948A (en) * 1968-05-09 1970-05-31 Ciba Geigy Device for the series production of moldings from cast resin compounds

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108274691A (en) * 2018-03-28 2018-07-13 天津中德应用技术大学 Injection mold condensate remove device

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Legal Events

Date Code Title Description
ST Notification of lapse