FR2252172B1 - - Google Patents

Info

Publication number
FR2252172B1
FR2252172B1 FR7438476A FR7438476A FR2252172B1 FR 2252172 B1 FR2252172 B1 FR 2252172B1 FR 7438476 A FR7438476 A FR 7438476A FR 7438476 A FR7438476 A FR 7438476A FR 2252172 B1 FR2252172 B1 FR 2252172B1
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.)
Expired
Application number
FR7438476A
Other languages
French (fr)
Other versions
FR2252172A1 (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.)
Textron Inc
Original Assignee
Textron 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 Textron Inc filed Critical Textron Inc
Publication of FR2252172A1 publication Critical patent/FR2252172A1/fr
Application granted granted Critical
Publication of FR2252172B1 publication Critical patent/FR2252172B1/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
    • B24B13/02—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor by means of tools with abrading surfaces corresponding in shape with the lenses to be made
FR7438476A 1973-11-23 1974-11-22 Expired FR2252172B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US418763A US3893264A (en) 1973-11-23 1973-11-23 Lens surfacing apparatus and method

Publications (2)

Publication Number Publication Date
FR2252172A1 FR2252172A1 (en) 1975-06-20
FR2252172B1 true FR2252172B1 (en) 1977-11-04

Family

ID=23659476

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7438476A Expired FR2252172B1 (en) 1973-11-23 1974-11-22

Country Status (4)

Country Link
US (1) US3893264A (en)
DE (1) DE2455426A1 (en)
FR (1) FR2252172B1 (en)
GB (1) GB1461818A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4510717A (en) * 1982-12-16 1985-04-16 Coburn Optical Industries, Inc. Lens finishing apparatus
US4989316A (en) * 1987-03-09 1991-02-05 Gerber Scientific Products, Inc. Method and apparatus for making prescription eyeglass lenses
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
DE4214266A1 (en) * 1992-05-01 1993-11-04 Loh Engineering Ag Oensingen DEVICE FOR GUIDING A WORKPIECE OR TOOL IN THE PROCESSING OF TORICAL OR SPHERICAL SURFACES OF OPTICAL LENSES ON GRINDING OR POLISHING MACHINES
FR2702409B1 (en) * 1993-03-11 1995-05-05 Buchmann Optical Eng Ophthalmic lens grinding machine comprising means for controlling the tightening value of the blank of the grinding glass.
US6080044A (en) * 1998-03-26 2000-06-27 Gerber Coburn Optical, Inc. Fining/polishing machine
US6045438A (en) * 1998-06-04 2000-04-04 Shay; William D. Axis block assembly for use in making prescription eyeglass lenses
US6875090B2 (en) * 1999-12-01 2005-04-05 Gerber Coburn Optical, Inc. Apparatus for finishing optical surfaces, including a pad compensation device
US6527632B1 (en) * 1999-12-01 2003-03-04 Gerber Coburn Optical, Inc. Lap having a layer conformable to curvatures of optical surfaces on lenses and a method for finishing optical surfaces
US6568990B2 (en) * 2000-01-18 2003-05-27 Ncrx Optical Solutions, Inc. System and method for ophthalmic lens manufacture
US7332045B2 (en) * 2004-09-15 2008-02-19 Gerber Scientific International, Inc. Automatic blocking and lens blank measuring apparatus and method
US7396275B2 (en) * 2005-12-30 2008-07-08 Essilor International (Compagnie General D'optique) Polishing machine comprising sliding means transverse to the front face
FI126233B (en) * 2006-02-23 2016-08-31 Oy Kwh Mirka Ab Vibrating grinder
US20120289127A1 (en) * 2010-01-29 2012-11-15 Kojima Engineering Co., Ltd. Lens spherical surface grinding method using dish-shaped grindstone
CN101797718A (en) * 2010-03-09 2010-08-11 李勇 Method for implementing quasi-elliptic grinding track of stylus pressure head

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1824559A (en) * 1927-02-26 1931-09-22 Bausch & Lomb Lens surfacing machine
US2192486A (en) * 1937-09-01 1940-03-05 Shuron Optical Co Inc Lens grinding and polishing machine
US3389508A (en) * 1964-07-01 1968-06-25 Coburn Mfg Company Inc Cylinder grinder

Also Published As

Publication number Publication date
GB1461818A (en) 1977-01-19
FR2252172A1 (en) 1975-06-20
DE2455426A1 (en) 1975-05-28
US3893264A (en) 1975-07-08

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Legal Events

Date Code Title Description
ST Notification of lapse