JPH02157130A - レンズの成形用型 - Google Patents

レンズの成形用型

Info

Publication number
JPH02157130A
JPH02157130A JP30993088A JP30993088A JPH02157130A JP H02157130 A JPH02157130 A JP H02157130A JP 30993088 A JP30993088 A JP 30993088A JP 30993088 A JP30993088 A JP 30993088A JP H02157130 A JPH02157130 A JP H02157130A
Authority
JP
Japan
Prior art keywords
mold
molding
lens
glass material
upper mold
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
JP30993088A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0476932B2 (enrdf_load_stackoverflow
Inventor
Fumitaka Yoshimura
文孝 吉村
Masaki Omori
正樹 大森
Masayuki Tomita
昌之 冨田
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP30993088A priority Critical patent/JPH02157130A/ja
Publication of JPH02157130A publication Critical patent/JPH02157130A/ja
Publication of JPH0476932B2 publication Critical patent/JPH0476932B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/06—Construction of plunger or mould
    • C03B11/08—Construction of plunger or mould for making solid articles, e.g. lenses
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/40—Product characteristics
    • C03B2215/46—Lenses, e.g. bi-convex
    • C03B2215/48—Convex-concave

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
JP30993088A 1988-12-09 1988-12-09 レンズの成形用型 Granted JPH02157130A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP30993088A JPH02157130A (ja) 1988-12-09 1988-12-09 レンズの成形用型

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30993088A JPH02157130A (ja) 1988-12-09 1988-12-09 レンズの成形用型

Publications (2)

Publication Number Publication Date
JPH02157130A true JPH02157130A (ja) 1990-06-15
JPH0476932B2 JPH0476932B2 (enrdf_load_stackoverflow) 1992-12-07

Family

ID=17999057

Family Applications (1)

Application Number Title Priority Date Filing Date
JP30993088A Granted JPH02157130A (ja) 1988-12-09 1988-12-09 レンズの成形用型

Country Status (1)

Country Link
JP (1) JPH02157130A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0743504A (ja) * 1993-05-26 1995-02-14 Canon Inc 光学レンズ及びその成形用型
US6295172B1 (en) * 1998-08-24 2001-09-25 Canon Kabushiki Kaisha Molding apparatus, optical element molding method, and optical element and prism as molded products
WO2003009983A1 (en) * 2001-07-25 2003-02-06 Asahi Lite Optical Co., Ltd. Semi-finished resin lens, and method and apparatus for producing the same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS616139A (ja) * 1984-06-15 1986-01-11 Hoya Corp 軸ずれの少ないレンズをプレス成形する方法
JPS61290012A (ja) * 1985-06-18 1986-12-20 Nippon Contact Lens:Kk レンズ成形装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS616139A (ja) * 1984-06-15 1986-01-11 Hoya Corp 軸ずれの少ないレンズをプレス成形する方法
JPS61290012A (ja) * 1985-06-18 1986-12-20 Nippon Contact Lens:Kk レンズ成形装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0743504A (ja) * 1993-05-26 1995-02-14 Canon Inc 光学レンズ及びその成形用型
US6295172B1 (en) * 1998-08-24 2001-09-25 Canon Kabushiki Kaisha Molding apparatus, optical element molding method, and optical element and prism as molded products
WO2003009983A1 (en) * 2001-07-25 2003-02-06 Asahi Lite Optical Co., Ltd. Semi-finished resin lens, and method and apparatus for producing the same
KR100848761B1 (ko) * 2001-07-25 2008-07-28 가부시키가이샤 아사히오프티카루 수지렌즈의 반제품과 그 제조장치 및 제조방법

Also Published As

Publication number Publication date
JPH0476932B2 (enrdf_load_stackoverflow) 1992-12-07

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