GB8720803D0 - Lens surfacing pad - Google Patents

Lens surfacing pad

Info

Publication number
GB8720803D0
GB8720803D0 GB878720803A GB8720803A GB8720803D0 GB 8720803 D0 GB8720803 D0 GB 8720803D0 GB 878720803 A GB878720803 A GB 878720803A GB 8720803 A GB8720803 A GB 8720803A GB 8720803 D0 GB8720803 D0 GB 8720803D0
Authority
GB
United Kingdom
Prior art keywords
lens surfacing
surfacing pad
pad
lens
surfacing
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
GB878720803A
Other versions
GB2195100A (en
GB2195100B (en
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.)
Wiand R C
Original Assignee
Wiand R C
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 Wiand R C filed Critical Wiand R C
Publication of GB8720803D0 publication Critical patent/GB8720803D0/en
Publication of GB2195100A publication Critical patent/GB2195100A/en
Application granted granted Critical
Publication of GB2195100B publication Critical patent/GB2195100B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B24B13/01—Specific tools, e.g. bowl-like; Production, dressing or fastening of these tools

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
GB8720803A 1986-09-08 1987-09-04 Lens surfacing pad with improved attachment to tool Expired - Lifetime GB2195100B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US90489986A 1986-09-08 1986-09-08

Publications (3)

Publication Number Publication Date
GB8720803D0 true GB8720803D0 (en) 1987-10-14
GB2195100A GB2195100A (en) 1988-03-30
GB2195100B GB2195100B (en) 1990-08-15

Family

ID=25419939

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8720803A Expired - Lifetime GB2195100B (en) 1986-09-08 1987-09-04 Lens surfacing pad with improved attachment to tool

Country Status (4)

Country Link
JP (1) JP2559763B2 (en)
DE (1) DE3729956A1 (en)
FR (1) FR2603510B1 (en)
GB (1) GB2195100B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5269102A (en) * 1991-06-19 1993-12-14 Gerber Optical, Inc. Disposable lap blank
KR102321016B1 (en) * 2020-01-13 2021-11-03 (주)제이쓰리 Wafer processing technology to control semiconductor wafer shape

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1487024A (en) * 1920-01-15 1924-03-18 Erdis G Robinson Lens-grinding lap
US2991596A (en) * 1959-08-07 1961-07-11 Roy J Walters Back-up pad and abrasive sheet
US3144737A (en) * 1962-09-27 1964-08-18 Bausch & Lomb Aluminum foil lens grinding pad
GB1420450A (en) * 1973-11-28 1976-01-07 Raphaels Ltd Devices for mounting lenses for edge grinding
JPS55164462A (en) * 1979-06-06 1980-12-22 American Optical Corp Head for polishing lens
JPS5746110U (en) * 1980-08-29 1982-03-13
JPS6144775Y2 (en) * 1981-02-24 1986-12-16

Also Published As

Publication number Publication date
DE3729956A1 (en) 1988-04-07
FR2603510A1 (en) 1988-03-11
GB2195100A (en) 1988-03-30
GB2195100B (en) 1990-08-15
JP2559763B2 (en) 1996-12-04
JPS63139660A (en) 1988-06-11
FR2603510B1 (en) 1992-05-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980904