JPH0442971B2 - - Google Patents

Info

Publication number
JPH0442971B2
JPH0442971B2 JP59199283A JP19928384A JPH0442971B2 JP H0442971 B2 JPH0442971 B2 JP H0442971B2 JP 59199283 A JP59199283 A JP 59199283A JP 19928384 A JP19928384 A JP 19928384A JP H0442971 B2 JPH0442971 B2 JP H0442971B2
Authority
JP
Japan
Prior art keywords
core rod
sliding
core
slide member
slide
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 - Lifetime
Application number
JP59199283A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6176336A (ja
Inventor
Kazuo Yokoikawa
Masao Todoroki
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.)
DAIICHI GEYER KK
Original Assignee
DAIICHI GEYER KK
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 DAIICHI GEYER KK filed Critical DAIICHI GEYER KK
Priority to JP19928384A priority Critical patent/JPS6176336A/ja
Publication of JPS6176336A publication Critical patent/JPS6176336A/ja
Publication of JPH0442971B2 publication Critical patent/JPH0442971B2/ja
Granted 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
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/44—Removing or ejecting moulded articles for undercut articles
    • B29C45/4421—Removing or ejecting moulded articles for undercut articles using expansible or collapsible cores
    • 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
    • B29C33/48—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 means for collapsing or disassembling
    • B29C33/485—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 means for collapsing or disassembling cores or mandrels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
JP19928384A 1984-09-22 1984-09-22 開きコア Granted JPS6176336A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19928384A JPS6176336A (ja) 1984-09-22 1984-09-22 開きコア

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19928384A JPS6176336A (ja) 1984-09-22 1984-09-22 開きコア

Publications (2)

Publication Number Publication Date
JPS6176336A JPS6176336A (ja) 1986-04-18
JPH0442971B2 true JPH0442971B2 (enrdf_load_stackoverflow) 1992-07-15

Family

ID=16405217

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19928384A Granted JPS6176336A (ja) 1984-09-22 1984-09-22 開きコア

Country Status (1)

Country Link
JP (1) JPS6176336A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07106583B2 (ja) * 1991-09-03 1995-11-15 株式会社コパル アンダーカット部を有する射出成形金型
KR100320569B1 (ko) * 1999-07-13 2002-01-16 원성환 합성수지 제품 자동사출장치
JP4509693B2 (ja) * 2004-08-20 2010-07-21 紀伊産業株式会社 成形型

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5914333B2 (ja) * 1977-09-26 1984-04-04 第一ガイヤ−株式会社 射出成形用の成形型に取付けられる開きコア
JPS57156231A (en) * 1981-03-23 1982-09-27 Hitachi Ltd Split core of mold for injection molding
JPS59150715A (ja) * 1983-02-16 1984-08-29 Daiichi Gaiyaa Kk 金型部材

Also Published As

Publication number Publication date
JPS6176336A (ja) 1986-04-18

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Legal Events

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R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term