JPS6230084B2 - - Google Patents

Info

Publication number
JPS6230084B2
JPS6230084B2 JP56191702A JP19170281A JPS6230084B2 JP S6230084 B2 JPS6230084 B2 JP S6230084B2 JP 56191702 A JP56191702 A JP 56191702A JP 19170281 A JP19170281 A JP 19170281A JP S6230084 B2 JPS6230084 B2 JP S6230084B2
Authority
JP
Japan
Prior art keywords
gate
movable
cavity
plate
forming
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
JP56191702A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5894440A (ja
Inventor
Toshio Matsukura
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 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 Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP19170281A priority Critical patent/JPS5894440A/ja
Publication of JPS5894440A publication Critical patent/JPS5894440A/ja
Publication of JPS6230084B2 publication Critical patent/JPS6230084B2/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
    • B29C45/38—Cutting-off equipment for sprues or ingates

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)
JP19170281A 1981-12-01 1981-12-01 合成樹脂等の射出成形法 Granted JPS5894440A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19170281A JPS5894440A (ja) 1981-12-01 1981-12-01 合成樹脂等の射出成形法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19170281A JPS5894440A (ja) 1981-12-01 1981-12-01 合成樹脂等の射出成形法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP20352686A Division JPS6242817A (ja) 1986-08-29 1986-08-29 プラスチツクレンズ成形用金型

Publications (2)

Publication Number Publication Date
JPS5894440A JPS5894440A (ja) 1983-06-04
JPS6230084B2 true JPS6230084B2 (en]) 1987-06-30

Family

ID=16279050

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19170281A Granted JPS5894440A (ja) 1981-12-01 1981-12-01 合成樹脂等の射出成形法

Country Status (1)

Country Link
JP (1) JPS5894440A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60132719A (ja) * 1983-12-22 1985-07-15 Alps Electric Co Ltd プラスチツクレンズの製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53782B2 (en]) * 1973-06-25 1978-01-12

Also Published As

Publication number Publication date
JPS5894440A (ja) 1983-06-04

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