JPS6339409B2 - - Google Patents

Info

Publication number
JPS6339409B2
JPS6339409B2 JP3692980A JP3692980A JPS6339409B2 JP S6339409 B2 JPS6339409 B2 JP S6339409B2 JP 3692980 A JP3692980 A JP 3692980A JP 3692980 A JP3692980 A JP 3692980A JP S6339409 B2 JPS6339409 B2 JP S6339409B2
Authority
JP
Japan
Prior art keywords
mold
molds
positioning
positioning spacer
gasket
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
JP3692980A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56135032A (en
Inventor
Naonori Hayashi
Mamoru Koda
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.)
AGC Inc
Original Assignee
Asahi Glass 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 Asahi Glass Co Ltd filed Critical Asahi Glass Co Ltd
Priority to JP3692980A priority Critical patent/JPS56135032A/ja
Publication of JPS56135032A publication Critical patent/JPS56135032A/ja
Publication of JPS6339409B2 publication Critical patent/JPS6339409B2/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
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/0048—Moulds for lenses
    • B29D11/00528—Consisting of two mould halves joined by an annular gasket
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/0038—Moulds or cores; Details thereof or accessories therefor with sealing means or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00413—Production of simple or compound lenses made by moulding between two mould parts which are not in direct contact with one another, e.g. comprising a seal between or on the edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/76—Office equipment or accessories
    • B29L2031/7602—Maps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
JP3692980A 1980-03-25 1980-03-25 Formation of plastic lens Granted JPS56135032A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3692980A JPS56135032A (en) 1980-03-25 1980-03-25 Formation of plastic lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3692980A JPS56135032A (en) 1980-03-25 1980-03-25 Formation of plastic lens

Publications (2)

Publication Number Publication Date
JPS56135032A JPS56135032A (en) 1981-10-22
JPS6339409B2 true JPS6339409B2 (en]) 1988-08-04

Family

ID=12483441

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3692980A Granted JPS56135032A (en) 1980-03-25 1980-03-25 Formation of plastic lens

Country Status (1)

Country Link
JP (1) JPS56135032A (en])

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63247014A (ja) * 1987-04-03 1988-10-13 Takashi Mori 透明カプセルの製造装置
WO2001032407A1 (en) * 1999-11-04 2001-05-10 Concepcionlicence Ag Device for the production of optical lenses of polymerizable material
WO2001074573A2 (en) * 2000-03-30 2001-10-11 Q2100, Inc. Ballast system for a fluorescent lamp
US6528955B1 (en) 2000-03-30 2003-03-04 Q2100, Inc. Ballast system for a fluorescent lamp
JP2002200647A (ja) * 2000-12-28 2002-07-16 Sony Corp 光学素子、光学素子用金型及び光学素子製造方法
US7842203B2 (en) * 2003-10-31 2010-11-30 Hoya Corporation Gasket for molding plastic lens
JP4803467B2 (ja) * 2009-03-12 2011-10-26 コニカミノルタホールディングス株式会社 光ピックアップ装置用光学素子成形装置及び光ピックアップ装置用光学素子の製造方法
JP4803468B2 (ja) * 2009-03-12 2011-10-26 コニカミノルタホールディングス株式会社 光ピックアップ装置用光学素子成形装置及び光ピックアップ装置用光学素子の製造方法

Also Published As

Publication number Publication date
JPS56135032A (en) 1981-10-22

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