JPS6160764B2 - - Google Patents

Info

Publication number
JPS6160764B2
JPS6160764B2 JP55025973A JP2597380A JPS6160764B2 JP S6160764 B2 JPS6160764 B2 JP S6160764B2 JP 55025973 A JP55025973 A JP 55025973A JP 2597380 A JP2597380 A JP 2597380A JP S6160764 B2 JPS6160764 B2 JP S6160764B2
Authority
JP
Japan
Prior art keywords
pressure
mold
injection
resin
gate
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
JP55025973A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56121748A (en
Inventor
Norio Suganuma
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.)
Nissei Plastic Industrial Co Ltd
Original Assignee
Nissei Plastic 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 Nissei Plastic Industrial Co Ltd filed Critical Nissei Plastic Industrial Co Ltd
Priority to JP2597380A priority Critical patent/JPS56121748A/ja
Publication of JPS56121748A publication Critical patent/JPS56121748A/ja
Publication of JPS6160764B2 publication Critical patent/JPS6160764B2/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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/57—Exerting after-pressure on the moulding material
    • B29C45/572—Exerting after-pressure on the moulding material using movable mould wall or runner parts

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)
JP2597380A 1980-02-29 1980-02-29 Injection molding method Granted JPS56121748A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2597380A JPS56121748A (en) 1980-02-29 1980-02-29 Injection molding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2597380A JPS56121748A (en) 1980-02-29 1980-02-29 Injection molding method

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP15932285A Division JPS6183016A (ja) 1985-07-19 1985-07-19 射出圧縮成形機

Publications (2)

Publication Number Publication Date
JPS56121748A JPS56121748A (en) 1981-09-24
JPS6160764B2 true JPS6160764B2 (en]) 1986-12-22

Family

ID=12180665

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2597380A Granted JPS56121748A (en) 1980-02-29 1980-02-29 Injection molding method

Country Status (1)

Country Link
JP (1) JPS56121748A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63150553U (en]) * 1987-03-25 1988-10-04

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60242028A (ja) * 1984-04-11 1985-12-02 Mitsubishi Heavy Ind Ltd 射出圧縮成形方法
JPH0763983B2 (ja) * 1986-07-16 1995-07-12 大日本印刷株式会社 表面に凹部を有する成形品の射出成形方法及び装置
US9395470B2 (en) * 2012-04-05 2016-07-19 Canon Kabushiki Kaisha Molded-article manufacturing method, mold, and optical element including fresnel lens

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4872259A (en]) * 1971-12-29 1973-09-29
DE2614213A1 (de) * 1976-04-02 1977-10-20 Ver Foerderung Inst Kunststoff Verfahren und vorrichtung zum spritzgiessen von dickwandigen grossvolumigen kunststoff-formteilen in formwerkzeugen
JPS556054A (en) * 1978-06-30 1980-01-17 Nippon Kokan Kk <Nkk> Intermediate wall assembly method for low-temperature double-shell tank

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63150553U (en]) * 1987-03-25 1988-10-04

Also Published As

Publication number Publication date
JPS56121748A (en) 1981-09-24

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