JPS57156231A - Split core of mold for injection molding - Google Patents

Split core of mold for injection molding

Info

Publication number
JPS57156231A
JPS57156231A JP4038781A JP4038781A JPS57156231A JP S57156231 A JPS57156231 A JP S57156231A JP 4038781 A JP4038781 A JP 4038781A JP 4038781 A JP4038781 A JP 4038781A JP S57156231 A JPS57156231 A JP S57156231A
Authority
JP
Japan
Prior art keywords
product
core
sliding piece
released
die
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.)
Granted
Application number
JP4038781A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6140172B2 (fr
Inventor
Hisao Inage
Masamichi Takeshita
Akiyoshi Eguchi
Hisashi Nichibe
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP4038781A priority Critical patent/JPS57156231A/ja
Publication of JPS57156231A publication Critical patent/JPS57156231A/ja
Publication of JPS6140172B2 publication Critical patent/JPS6140172B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
JP4038781A 1981-03-23 1981-03-23 Split core of mold for injection molding Granted JPS57156231A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4038781A JPS57156231A (en) 1981-03-23 1981-03-23 Split core of mold for injection molding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4038781A JPS57156231A (en) 1981-03-23 1981-03-23 Split core of mold for injection molding

Publications (2)

Publication Number Publication Date
JPS57156231A true JPS57156231A (en) 1982-09-27
JPS6140172B2 JPS6140172B2 (fr) 1986-09-08

Family

ID=12579236

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4038781A Granted JPS57156231A (en) 1981-03-23 1981-03-23 Split core of mold for injection molding

Country Status (1)

Country Link
JP (1) JPS57156231A (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59150715A (ja) * 1983-02-16 1984-08-29 Daiichi Gaiyaa Kk 金型部材
JPS6176336A (ja) * 1984-09-22 1986-04-18 Daiichi Gaiyaa Kk 開きコア
JPS62279914A (ja) * 1986-05-28 1987-12-04 Cosmo Seimitsu:Kk 内側にアンダカツトを有する物品の製造装置
JPS63189218A (ja) * 1987-02-02 1988-08-04 Copal Co Ltd 開きコアを有する射出成形金型
KR100320569B1 (ko) * 1999-07-13 2002-01-16 원성환 합성수지 제품 자동사출장치
JP2008302537A (ja) * 2007-06-06 2008-12-18 Bunji Matsumoto 金型構造及びその押し出し・抜き取り方法
TWI403405B (fr) * 2010-09-10 2013-08-01
US8585392B2 (en) 2011-05-24 2013-11-19 F&S Tool, Inc. Compression molding with successive stage cooling channels

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59150715A (ja) * 1983-02-16 1984-08-29 Daiichi Gaiyaa Kk 金型部材
JPS6176336A (ja) * 1984-09-22 1986-04-18 Daiichi Gaiyaa Kk 開きコア
JPH0442971B2 (fr) * 1984-09-22 1992-07-15 Daiichi Geyer Kk
JPS62279914A (ja) * 1986-05-28 1987-12-04 Cosmo Seimitsu:Kk 内側にアンダカツトを有する物品の製造装置
JPH0555289B2 (fr) * 1986-05-28 1993-08-16 Kosumo Seimitsu Kk
JPS63189218A (ja) * 1987-02-02 1988-08-04 Copal Co Ltd 開きコアを有する射出成形金型
KR100320569B1 (ko) * 1999-07-13 2002-01-16 원성환 합성수지 제품 자동사출장치
JP2008302537A (ja) * 2007-06-06 2008-12-18 Bunji Matsumoto 金型構造及びその押し出し・抜き取り方法
JP4494437B2 (ja) * 2007-06-06 2010-06-30 文治 松本 金型構造及びその押し出し・抜き取り方法
TWI403405B (fr) * 2010-09-10 2013-08-01
US8585392B2 (en) 2011-05-24 2013-11-19 F&S Tool, Inc. Compression molding with successive stage cooling channels
US9475246B2 (en) 2011-05-24 2016-10-25 F&S Tool, Inc. Method of molding and mold with succesive stage cooling channels

Also Published As

Publication number Publication date
JPS6140172B2 (fr) 1986-09-08

Similar Documents

Publication Publication Date Title
US3914081A (en) Apparatus for injection molding two-colored products
WO1979000235A1 (fr) Matrice metallique pour le moulage par injection
ES245588U (es) Molde articulado perfeccionado
EP0324235A3 (fr) Moule d'injection métallique
JPS57156231A (en) Split core of mold for injection molding
JPS5884740A (ja) 合成樹脂成形金型
GB2048763A (en) Injection mould
JPS5476656A (en) Hot-runner mold for injection molding
JPS6485718A (en) Manufacture of molded product made of thermoplastic elastomer resin
JPS5751436A (en) Structure of metallic mold
US2874414A (en) Mold for molding telephone handsets
JPS57117937A (en) Structure of metal molds for hollow molding with under- cut portion
CN217258134U (zh) 一种成型优弧产品的模仁总成
JPS5476657A (en) Hot-runner mold for injection molding
JPS55114541A (en) Method of releasing plastic product from mold
DE3264704D1 (en) Inclined insulated runner multicavity plastic injection molding
JPS5686730A (en) Method and device for preparation of molded article
ES482612A1 (es) Perfeccionamientos en los moldes para el moldeo por inyeccion de cadenas de cierre de cremallera continuas.
CN219464760U (zh) 一种粉末冶金注射成型六孔三角块产品模具
JPS57195683A (en) Manufacture of molded product having pattern on its surface
JPS6482911A (en) Molding method of molded product with spring
JP2734164B2 (ja) 多重成形金型装置
KR850000294Y1 (ko) 경사면 보스의 언더컷 처리용 금형
GB1015779A (en) Improvements relating to chains
JPS57205120A (en) Molding of aspherical lens