JPS57199636A - Mold for forming - Google Patents

Mold for forming

Info

Publication number
JPS57199636A
JPS57199636A JP8610781A JP8610781A JPS57199636A JP S57199636 A JPS57199636 A JP S57199636A JP 8610781 A JP8610781 A JP 8610781A JP 8610781 A JP8610781 A JP 8610781A JP S57199636 A JPS57199636 A JP S57199636A
Authority
JP
Japan
Prior art keywords
gate
mold
remainders
recess
contact surface
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
JP8610781A
Other languages
Japanese (ja)
Other versions
JPS6029335B2 (en
Inventor
Tetsuo Taniguchi
Kentaro Kotani
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP8610781A priority Critical patent/JPS6029335B2/en
Publication of JPS57199636A publication Critical patent/JPS57199636A/en
Publication of JPS6029335B2 publication Critical patent/JPS6029335B2/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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1635—Making multilayered or multicoloured articles using displaceable mould parts, e.g. retractable partition between adjacent mould cavities

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

PURPOSE:To prevent a damage of formed product and molds by remained gate in stepped multi-color forming mold having hotrunner means, and a molded item from being damaged due to the gate remainders, by forming a recess in a surface including a gate or in a slide core firm contact surface opposite to the gate. CONSTITUTION:The recess 10 is provided in the firm contact surface of the slide core 17 opposite to the gate 9, that is, a firm contact surface is left such that the primary injected resin would not leak and said surface has a configuration and dimensions that would not influence the characteristics of the product and the design. As a result, the recess of the slide core 17 does not break the gate remainders but allows it to escape. Accordingly, the excessive load on the mold that is resulted from the breaking of the gate remainders can be excluded, the mold is prevented from being damaged, and a defective molded item associated with the damage of the mold can be avoided.
JP8610781A 1981-06-03 1981-06-03 molding mold Expired JPS6029335B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8610781A JPS6029335B2 (en) 1981-06-03 1981-06-03 molding mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8610781A JPS6029335B2 (en) 1981-06-03 1981-06-03 molding mold

Publications (2)

Publication Number Publication Date
JPS57199636A true JPS57199636A (en) 1982-12-07
JPS6029335B2 JPS6029335B2 (en) 1985-07-10

Family

ID=13877474

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8610781A Expired JPS6029335B2 (en) 1981-06-03 1981-06-03 molding mold

Country Status (1)

Country Link
JP (1) JPS6029335B2 (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59182386U (en) * 1983-05-18 1984-12-05 株式会社　バンダイ Model body made of multiple synthetic resins
JPS60239215A (en) * 1984-05-11 1985-11-28 Matsushita Electric Works Ltd Molding method of different materials
JPS6164416A (en) * 1984-09-06 1986-04-02 Sony Corp Injection forming method
JPS6176333A (en) * 1985-07-31 1986-04-18 Nissei Plastics Ind Co Jointing method among molded articles by injection molding
JPS61108519A (en) * 1984-11-02 1986-05-27 Yoshida Kogyo Kk <Ykk> Molding method of multi-color synthetic resin molded part, molding equipment and molded part thereof
JPH0229313A (en) * 1988-07-19 1990-01-31 Sony Corp Two-tone molding die device
JPH02161673A (en) * 1989-11-02 1990-06-21 Hitachi Maxell Ltd Manufacture of tape cartridge
JPH0462019A (en) * 1990-06-25 1992-02-27 Mitsubishi Materials Corp Bicolor molding method for cassette half
JP2011219108A (en) * 2010-04-06 2011-11-04 Sanko Co Ltd Wall structure of carrying container, method of manufacturing carrying apparatus, and mold
JP2014012558A (en) * 2013-08-12 2014-01-23 Sanko Co Ltd Wall structure of carrying container

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59182386U (en) * 1983-05-18 1984-12-05 株式会社　バンダイ Model body made of multiple synthetic resins
JPS60239215A (en) * 1984-05-11 1985-11-28 Matsushita Electric Works Ltd Molding method of different materials
JPH0328293B2 (en) * 1984-05-11 1991-04-18 Matsushita Electric Works Ltd
JPH0549448B2 (en) * 1984-09-06 1993-07-26 Sony Corp
JPS6164416A (en) * 1984-09-06 1986-04-02 Sony Corp Injection forming method
JPS61108519A (en) * 1984-11-02 1986-05-27 Yoshida Kogyo Kk <Ykk> Molding method of multi-color synthetic resin molded part, molding equipment and molded part thereof
JPS6176333A (en) * 1985-07-31 1986-04-18 Nissei Plastics Ind Co Jointing method among molded articles by injection molding
JPH0349730B2 (en) * 1985-07-31 1991-07-30 Nissei Plastics Ind Co
JPH0229313A (en) * 1988-07-19 1990-01-31 Sony Corp Two-tone molding die device
JPH02161673A (en) * 1989-11-02 1990-06-21 Hitachi Maxell Ltd Manufacture of tape cartridge
JPH0462019A (en) * 1990-06-25 1992-02-27 Mitsubishi Materials Corp Bicolor molding method for cassette half
JP2011219108A (en) * 2010-04-06 2011-11-04 Sanko Co Ltd Wall structure of carrying container, method of manufacturing carrying apparatus, and mold
JP2014012558A (en) * 2013-08-12 2014-01-23 Sanko Co Ltd Wall structure of carrying container

Also Published As

Publication number Publication date
JPS6029335B2 (en) 1985-07-10

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