JPH0422416B2 - - Google Patents

Info

Publication number
JPH0422416B2
JPH0422416B2 JP62319692A JP31969287A JPH0422416B2 JP H0422416 B2 JPH0422416 B2 JP H0422416B2 JP 62319692 A JP62319692 A JP 62319692A JP 31969287 A JP31969287 A JP 31969287A JP H0422416 B2 JPH0422416 B2 JP H0422416B2
Authority
JP
Japan
Prior art keywords
stamper
mold
movable
mirror plate
outer peripheral
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 - Lifetime
Application number
JP62319692A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01159226A (ja
Inventor
Ikuo Asai
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.)
Meiki Seisakusho KK
Original Assignee
Meiki Seisakusho KK
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 Meiki Seisakusho KK filed Critical Meiki Seisakusho KK
Priority to JP31969287A priority Critical patent/JPH01159226A/ja
Publication of JPH01159226A publication Critical patent/JPH01159226A/ja
Publication of JPH0422416B2 publication Critical patent/JPH0422416B2/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
    • B29C45/26—Moulds
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • B29C45/2632—Stampers; Mountings thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP31969287A 1987-12-17 1987-12-17 ディスク基盤用成形型 Granted JPH01159226A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP31969287A JPH01159226A (ja) 1987-12-17 1987-12-17 ディスク基盤用成形型

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP31969287A JPH01159226A (ja) 1987-12-17 1987-12-17 ディスク基盤用成形型

Publications (2)

Publication Number Publication Date
JPH01159226A JPH01159226A (ja) 1989-06-22
JPH0422416B2 true JPH0422416B2 (enExample) 1992-04-17

Family

ID=18113120

Family Applications (1)

Application Number Title Priority Date Filing Date
JP31969287A Granted JPH01159226A (ja) 1987-12-17 1987-12-17 ディスク基盤用成形型

Country Status (1)

Country Link
JP (1) JPH01159226A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1412152A2 (en) * 2001-07-31 2004-04-28 SK Chemicals Co., Ltd. Method for molding a product and a mold used therein
CN101184608B (zh) * 2004-10-28 2011-02-02 耐普罗公司 用于生产薄塑料透镜的系统、装置和方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6023014B2 (ja) * 1979-11-08 1985-06-05 テイチク株式会社 レコ−ド盤の射出成形法

Also Published As

Publication number Publication date
JPH01159226A (ja) 1989-06-22

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees