GB946775A - Ejector device for dies - Google Patents

Ejector device for dies

Info

Publication number
GB946775A
GB946775A GB2212860A GB2212860A GB946775A GB 946775 A GB946775 A GB 946775A GB 2212860 A GB2212860 A GB 2212860A GB 2212860 A GB2212860 A GB 2212860A GB 946775 A GB946775 A GB 946775A
Authority
GB
United Kingdom
Prior art keywords
piston
cavity
moulding
dies
ejector
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
GB2212860A
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.)
Dunlop Rubber Co Ltd
Original Assignee
Dunlop Rubber Co Ltd
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 Dunlop Rubber Co Ltd filed Critical Dunlop Rubber Co Ltd
Publication of GB946775A publication Critical patent/GB946775A/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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • B29C33/442—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with mechanical ejector or drive means 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
GB2212860A 1959-06-24 1960-06-24 Ejector device for dies Expired GB946775A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR798401A FR1237862A (fr) 1959-06-24 1959-06-24 Dispositif éjecteur pour machine à mouler des objets en matière plastique ou caoutchouteuse

Publications (1)

Publication Number Publication Date
GB946775A true GB946775A (en) 1964-01-15

Family

ID=8716415

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2212860A Expired GB946775A (en) 1959-06-24 1960-06-24 Ejector device for dies

Country Status (7)

Country Link
CH (1) CH368616A (OSRAM)
DE (1) DE1429032A1 (OSRAM)
ES (1) ES259130A1 (OSRAM)
FR (1) FR1237862A (OSRAM)
GB (1) GB946775A (OSRAM)
LU (1) LU38856A1 (OSRAM)
NL (1) NL253023A (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201700024019A1 (it) * 2017-03-03 2018-09-03 Gabriele Ghidini Dispositivo di movimentazione idraulico e stampo comprendente tale dispositivo
CN110450351A (zh) * 2019-07-10 2019-11-15 漳州东利光学科技有限公司 一种抗冲击高分子材料眼镜模具及其制造方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3548451A (en) * 1967-05-11 1970-12-22 Corning Glass Works Apparatus for removing expanded plastic articles from forming molds
US5445512A (en) * 1994-01-27 1995-08-29 Marlen Research Corporation Segmented piston face plate assembly for patty forming apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201700024019A1 (it) * 2017-03-03 2018-09-03 Gabriele Ghidini Dispositivo di movimentazione idraulico e stampo comprendente tale dispositivo
WO2018158722A1 (en) * 2017-03-03 2018-09-07 Serotti & Ghidini S.R.L. Hydraulic actuator device and mould comprising such device
CN110450351A (zh) * 2019-07-10 2019-11-15 漳州东利光学科技有限公司 一种抗冲击高分子材料眼镜模具及其制造方法

Also Published As

Publication number Publication date
DE1429032A1 (de) 1968-10-10
NL253023A (OSRAM)
CH368616A (fr) 1963-04-15
ES259130A1 (es) 1960-09-16
LU38856A1 (OSRAM) 1961-12-21
FR1237862A (fr) 1960-08-05

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