JPS5344991A - Method of grinding mold for multi-focal lens - Google Patents

Method of grinding mold for multi-focal lens

Info

Publication number
JPS5344991A
JPS5344991A JP11914176A JP11914176A JPS5344991A JP S5344991 A JPS5344991 A JP S5344991A JP 11914176 A JP11914176 A JP 11914176A JP 11914176 A JP11914176 A JP 11914176A JP S5344991 A JPS5344991 A JP S5344991A
Authority
JP
Japan
Prior art keywords
lens
focal lens
grinding mold
molds
shaped
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.)
Pending
Application number
JP11914176A
Other languages
Japanese (ja)
Inventor
Hideaki Umezaki
Yoshio Sakai
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.)
Matsushima Kogyo KK
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Matsushima Kogyo KK
Seiko Epson Corp
Suwa Seikosha 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 Matsushima Kogyo KK, Seiko Epson Corp, Suwa Seikosha KK filed Critical Matsushima Kogyo KK
Priority to JP11914176A priority Critical patent/JPS5344991A/en
Publication of JPS5344991A publication Critical patent/JPS5344991A/en
Pending legal-status Critical Current

Links

Landscapes

  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Eyeglasses (AREA)

Abstract

PURPOSE: To accomplish highly efficient grinding of molds for bifocal lens particularly having lens for myopia using a fast rotating dish-shaped or similar-shaped diamond wheel in producing glass molds for organic-glass-made multi-focal spectacles lens.
COPYRIGHT: (C)1978,JPO&Japio
JP11914176A 1976-10-04 1976-10-04 Method of grinding mold for multi-focal lens Pending JPS5344991A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11914176A JPS5344991A (en) 1976-10-04 1976-10-04 Method of grinding mold for multi-focal lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11914176A JPS5344991A (en) 1976-10-04 1976-10-04 Method of grinding mold for multi-focal lens

Publications (1)

Publication Number Publication Date
JPS5344991A true JPS5344991A (en) 1978-04-22

Family

ID=14753930

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11914176A Pending JPS5344991A (en) 1976-10-04 1976-10-04 Method of grinding mold for multi-focal lens

Country Status (1)

Country Link
JP (1) JPS5344991A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009545458A (en) * 2006-08-01 2009-12-24 エルヴィン ユンカー マシーネンファブリーク ゲゼルシャフト ミット ベシュレンクテル ハフツング Method for grinding throwaway tip and grinding wheel for carrying out grinding method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009545458A (en) * 2006-08-01 2009-12-24 エルヴィン ユンカー マシーネンファブリーク ゲゼルシャフト ミット ベシュレンクテル ハフツング Method for grinding throwaway tip and grinding wheel for carrying out grinding method
US8500518B2 (en) 2006-08-01 2013-08-06 Erwin Junker Maschinenfabrik Gmbh Method of grinding an indexable insert and grinding wheel for carrying out the grinding method

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