ZA912459B - Lens grinding method and apparatus - Google Patents

Lens grinding method and apparatus

Info

Publication number
ZA912459B
ZA912459B ZA912459A ZA912459A ZA912459B ZA 912459 B ZA912459 B ZA 912459B ZA 912459 A ZA912459 A ZA 912459A ZA 912459 A ZA912459 A ZA 912459A ZA 912459 B ZA912459 B ZA 912459B
Authority
ZA
South Africa
Prior art keywords
sweep
cross
tool
base
lens
Prior art date
Application number
ZA912459A
Other languages
English (en)
Inventor
Stephen Kulan
Kulan Stephen
Original Assignee
Pilkington Visioncare 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 Pilkington Visioncare Inc filed Critical Pilkington Visioncare Inc
Publication of ZA912459B publication Critical patent/ZA912459B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/04—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor grinding of lenses involving grinding wheels controlled by gearing
    • B24B13/043—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor grinding of lenses involving grinding wheels controlled by gearing using cup-type grinding wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/06—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor grinding of lenses, the tool or work being controlled by information-carrying means, e.g. patterns, punched tapes, magnetic tapes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Eyeglasses (AREA)
  • Saccharide Compounds (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
ZA912459A 1990-04-18 1991-04-03 Lens grinding method and apparatus ZA912459B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US51083490A 1990-04-18 1990-04-18

Publications (1)

Publication Number Publication Date
ZA912459B true ZA912459B (en) 1992-03-25

Family

ID=24032395

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA912459A ZA912459B (en) 1990-04-18 1991-04-03 Lens grinding method and apparatus

Country Status (10)

Country Link
EP (1) EP0453094B1 (xx)
JP (1) JPH04226856A (xx)
KR (1) KR910018131A (xx)
AT (1) ATE114528T1 (xx)
AU (1) AU7379191A (xx)
BR (1) BR9101549A (xx)
CA (1) CA2039289A1 (xx)
DE (1) DE69105336T2 (xx)
FI (1) FI911876A (xx)
ZA (1) ZA912459B (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5678967A (en) * 1995-11-21 1997-10-21 Micro Optics Design Corporation Apparatus for cutting a workpiece and including a kinematic tool coupling

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2806327A (en) * 1954-03-03 1957-09-17 Orin W Coburn Lens grinder
US3289355A (en) * 1963-04-22 1966-12-06 Coburn Mfg Company Inc Automatic lens grinding machine
JPS60114457A (ja) * 1983-11-26 1985-06-20 Nippon Kogaku Kk <Nikon> 球面創成研削装置
US4574527A (en) * 1984-10-05 1986-03-11 Craxton Robert S Toric lens generating

Also Published As

Publication number Publication date
ATE114528T1 (de) 1994-12-15
FI911876A0 (fi) 1991-04-18
DE69105336T2 (de) 1995-05-04
CA2039289A1 (en) 1991-10-19
JPH04226856A (ja) 1992-08-17
KR910018131A (ko) 1991-11-30
EP0453094A3 (en) 1992-04-01
DE69105336D1 (de) 1995-01-12
FI911876A (fi) 1991-10-19
AU7379191A (en) 1991-10-24
EP0453094A2 (en) 1991-10-23
BR9101549A (pt) 1991-12-03
EP0453094B1 (en) 1994-11-30

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