FR2131970A1 - - Google Patents

Info

Publication number
FR2131970A1
FR2131970A1 FR7206168A FR7206168A FR2131970A1 FR 2131970 A1 FR2131970 A1 FR 2131970A1 FR 7206168 A FR7206168 A FR 7206168A FR 7206168 A FR7206168 A FR 7206168A FR 2131970 A1 FR2131970 A1 FR 2131970A1
Authority
FR
France
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
FR7206168A
Other languages
French (fr)
Other versions
FR2131970B1 (enrdf_load_stackoverflow
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.)
Gerber Coburn Optical Inc
Original Assignee
Coburn Optical Industries 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 Coburn Optical Industries Inc filed Critical Coburn Optical Industries Inc
Publication of FR2131970A1 publication Critical patent/FR2131970A1/fr
Application granted granted Critical
Publication of FR2131970B1 publication Critical patent/FR2131970B1/fr
Expired 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)
  • Moulds For Moulding Plastics Or The Like (AREA)
FR727206168A 1971-02-24 1972-02-23 Expired FR2131970B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11831871A 1971-02-24 1971-02-24

Publications (2)

Publication Number Publication Date
FR2131970A1 true FR2131970A1 (enrdf_load_stackoverflow) 1972-11-17
FR2131970B1 FR2131970B1 (enrdf_load_stackoverflow) 1973-06-29

Family

ID=22377858

Family Applications (1)

Application Number Title Priority Date Filing Date
FR727206168A Expired FR2131970B1 (enrdf_load_stackoverflow) 1971-02-24 1972-02-23

Country Status (7)

Country Link
US (1) US3704558A (enrdf_load_stackoverflow)
JP (1) JPS5520822B1 (enrdf_load_stackoverflow)
BE (1) BE779818A (enrdf_load_stackoverflow)
CA (1) CA958426A (enrdf_load_stackoverflow)
DE (1) DE2208444A1 (enrdf_load_stackoverflow)
FR (1) FR2131970B1 (enrdf_load_stackoverflow)
GB (1) GB1386441A (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2123733B (en) * 1982-05-14 1986-11-19 Coopervision Machining contact lenses
JPS6435168A (en) * 1987-07-31 1989-02-06 Honda Motor Co Ltd Control device for vehicle continuously variable transmission
US5210695A (en) * 1990-10-26 1993-05-11 Gerber Optical, Inc. Single block mounting system for surfacing and edging of a lens blank and method therefor
MX9101663A (es) * 1990-10-29 1992-06-05 Pilkington Visioncare Inc Componentes termoplasticos reforzados para usarse en la fabricacion de lentes oftalmicos y metodos para elaborar estos componentes
US5269102A (en) * 1991-06-19 1993-12-14 Gerber Optical, Inc. Disposable lap blank
US5177907A (en) * 1991-11-12 1993-01-12 Summitt Molding & Engineering, Inc. Plastic lens block with ribs
CA2138410A1 (en) * 1992-07-17 1994-02-03 Lawrence W. Craighead Method of processing a lens and means for use in the method
US5649856A (en) * 1995-12-13 1997-07-22 Coburn Optical Industries, Inc. Tear-away block for an ophthalmic lens
US6110016A (en) * 1998-06-22 2000-08-29 Ppg Industries Ohio, Inc. Lens block and method of processing lenses
EP3543003A1 (de) 2018-03-23 2019-09-25 Carl Zeiss Vision International GmbH Brillenglasrohling sowie verfahren und vorrichtung zum herstellen eines brillenglases aus einem brillenglasrohling

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3140568A (en) * 1963-02-28 1964-07-14 Univis Inc Lens blocking device
US3353307A (en) * 1964-10-29 1967-11-21 Titmus Optical Company Inc Lens holder for metallic blocking system
US3355342A (en) * 1965-02-26 1967-11-28 Armorlite Lens Company Inc Method of supporting lens blanks for grinding and polishing
US3383808A (en) * 1965-05-25 1968-05-21 Lunette De Paris Inc Lens block

Also Published As

Publication number Publication date
US3704558A (en) 1972-12-05
JPS5520822B1 (enrdf_load_stackoverflow) 1980-06-05
CA958426A (en) 1974-11-26
BE779818A (enrdf_load_stackoverflow) 1972-06-16
GB1386441A (en) 1975-03-05
FR2131970B1 (enrdf_load_stackoverflow) 1973-06-29
DE2208444A1 (de) 1972-09-28

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Legal Events

Date Code Title Description
ST Notification of lapse