GB9009475D0 - Improvements in or relating to lens blanks - Google Patents

Improvements in or relating to lens blanks

Info

Publication number
GB9009475D0
GB9009475D0 GB909009475A GB9009475A GB9009475D0 GB 9009475 D0 GB9009475 D0 GB 9009475D0 GB 909009475 A GB909009475 A GB 909009475A GB 9009475 A GB9009475 A GB 9009475A GB 9009475 D0 GB9009475 D0 GB 9009475D0
Authority
GB
United Kingdom
Prior art keywords
relating
lens blanks
blanks
lens
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.)
Withdrawn
Application number
GB909009475A
Other versions
GB2230983A (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.)
GILCO OPTICS Ltd
Original Assignee
GILCO OPTICS 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 GILCO OPTICS Ltd filed Critical GILCO OPTICS Ltd
Publication of GB9009475D0 publication Critical patent/GB9009475D0/en
Publication of GB2230983A publication Critical patent/GB2230983A/en
Withdrawn legal-status Critical Current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
    • B24B13/005—Blocking means, chucks or the like; Alignment devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Eyeglasses (AREA)
GB9009475A 1989-05-05 1990-04-27 Lens blank mountings Withdrawn GB2230983A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898910352A GB8910352D0 (en) 1989-05-05 1989-05-05 Improvements in or relating to lens blanks

Publications (2)

Publication Number Publication Date
GB9009475D0 true GB9009475D0 (en) 1990-06-20
GB2230983A GB2230983A (en) 1990-11-07

Family

ID=10656272

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898910352A Pending GB8910352D0 (en) 1989-05-05 1989-05-05 Improvements in or relating to lens blanks
GB9009475A Withdrawn GB2230983A (en) 1989-05-05 1990-04-27 Lens blank mountings

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898910352A Pending GB8910352D0 (en) 1989-05-05 1989-05-05 Improvements in or relating to lens blanks

Country Status (1)

Country Link
GB (2) GB8910352D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994002286A1 (en) * 1992-07-17 1994-02-03 Minnesota Mining And Manufacturing Company Method of processing a lens and means for use in the method
GB2287421B (en) * 1994-03-04 1997-09-03 Hydron Ltd Process of preparing lenses
US7828624B2 (en) * 2000-01-18 2010-11-09 Ncrx Optical Solutions, Inc. Method of local manufacture of ophthalmic lens using remotely assembled pre-blocked lens blanks
EP3418042A1 (en) 2017-06-19 2018-12-26 Essilor International Optical part and method of producing an optical part

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB583202A (en) * 1944-08-03 1946-12-11 American Optical Corp Improvements in supporting devices for lenses and other articles which are to be subjected to grinding, polishing and other operations
US3448549A (en) * 1967-04-06 1969-06-10 Textron Inc Method of generating a lens
CH651484A5 (en) * 1981-06-24 1985-09-30 Roag Ag METHOD AND DEVICE FOR SEPARATING OPTIC PARTS FROM SUPPORTING BODIES.
GB2148169B (en) * 1983-10-24 1987-05-28 Contact Lens Supplies Method of manufacturing a contact lens and apparatus for use in the method
US4686798A (en) * 1985-06-21 1987-08-18 Sola U.S.A. Inc. Optical blank carrier for lathing lenses and process therefor

Also Published As

Publication number Publication date
GB2230983A (en) 1990-11-07
GB8910352D0 (en) 1989-06-21

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)