JPS60234814A - 射出成形方法および装置 - Google Patents

射出成形方法および装置

Info

Publication number
JPS60234814A
JPS60234814A JP9125084A JP9125084A JPS60234814A JP S60234814 A JPS60234814 A JP S60234814A JP 9125084 A JP9125084 A JP 9125084A JP 9125084 A JP9125084 A JP 9125084A JP S60234814 A JPS60234814 A JP S60234814A
Authority
JP
Japan
Prior art keywords
injection molding
cavity
injection
convex member
molded product
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
JP9125084A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0430329B2 (enrdf_load_stackoverflow
Inventor
Hitoshi Minegishi
峯岸　仁
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.)
Olympus Corp
Original Assignee
Olympus Corp
Olympus Optical 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 Olympus Corp, Olympus Optical Co Ltd filed Critical Olympus Corp
Priority to JP9125084A priority Critical patent/JPS60234814A/ja
Publication of JPS60234814A publication Critical patent/JPS60234814A/ja
Publication of JPH0430329B2 publication Critical patent/JPH0430329B2/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
    • B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
    • B29C45/5675—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding for making orifices in or through the moulded article
    • 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
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks

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)
JP9125084A 1984-05-08 1984-05-08 射出成形方法および装置 Granted JPS60234814A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9125084A JPS60234814A (ja) 1984-05-08 1984-05-08 射出成形方法および装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9125084A JPS60234814A (ja) 1984-05-08 1984-05-08 射出成形方法および装置

Publications (2)

Publication Number Publication Date
JPS60234814A true JPS60234814A (ja) 1985-11-21
JPH0430329B2 JPH0430329B2 (enrdf_load_stackoverflow) 1992-05-21

Family

ID=14021170

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9125084A Granted JPS60234814A (ja) 1984-05-08 1984-05-08 射出成形方法および装置

Country Status (1)

Country Link
JP (1) JPS60234814A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6322620A (ja) * 1986-07-16 1988-01-30 Dainippon Printing Co Ltd 表面に凹部を有する板状物成形品の射出成形方法
EP0870593A4 (en) * 1996-07-31 1999-02-10 A K Tech Lab Inc PROCESS FOR DRAWING AND INJECTION-BLOWING MOLDED PRODUCTS BY BLOWING

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5098966A (enrdf_load_stackoverflow) * 1973-12-31 1975-08-06
JPS58101030A (ja) * 1981-12-11 1983-06-16 Toyo Seikan Kaisha Ltd 開口容易栓体の製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5098966A (enrdf_load_stackoverflow) * 1973-12-31 1975-08-06
JPS58101030A (ja) * 1981-12-11 1983-06-16 Toyo Seikan Kaisha Ltd 開口容易栓体の製造方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6322620A (ja) * 1986-07-16 1988-01-30 Dainippon Printing Co Ltd 表面に凹部を有する板状物成形品の射出成形方法
EP0870593A4 (en) * 1996-07-31 1999-02-10 A K Tech Lab Inc PROCESS FOR DRAWING AND INJECTION-BLOWING MOLDED PRODUCTS BY BLOWING

Also Published As

Publication number Publication date
JPH0430329B2 (enrdf_load_stackoverflow) 1992-05-21

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term