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FR1014564A - Improvement in supports or mandrels to keep optical glasses in position during their manufacture - Google Patents

Improvement in supports or mandrels to keep optical glasses in position during their manufacture

Info

Publication number
FR1014564A
FR1014564A FR1014564DA FR1014564A FR 1014564 A FR1014564 A FR 1014564A FR 1014564D A FR1014564D A FR 1014564DA FR 1014564 A FR1014564 A FR 1014564A
Authority
FR
France
Prior art keywords
mandrels
supports
improvement
manufacture
position during
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Charles Henry Keeler
William Henry Deller
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 filed Critical
Application granted granted Critical
Publication of FR1014564A publication Critical patent/FR1014564A/en
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)
FR1014564D 1947-09-03 1947-09-03 Improvement in supports or mandrels to keep optical glasses in position during their manufacture Expired FR1014564A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1014564T 1947-09-03

Publications (1)

Publication Number Publication Date
FR1014564A true FR1014564A (en) 1952-08-19

Family

ID=9572411

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1014564D Expired FR1014564A (en) 1947-09-03 1947-09-03 Improvement in supports or mandrels to keep optical glasses in position during their manufacture

Country Status (1)

Country Link
FR (1) FR1014564A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2738197A (en) * 1952-07-14 1956-03-13 Timken Roller Bearing Co Apparatus for handling and inspecting roller-like objects
US3794314A (en) * 1972-01-13 1974-02-26 Coburn Optical Ind Vacuum chuck for ophthalmic lens finishing machinery
US3994101A (en) * 1973-01-03 1976-11-30 Coburn Optical Industries, Inc. Vacuum chuck with sealable cavity
US4844143A (en) * 1987-03-30 1989-07-04 Essilor International (Compagnie Generale D'optique) Mold for fixing a metal block on one of the faces of an ophthalmic lens
JP2008279584A (en) * 2007-05-14 2008-11-20 Olympus Corp Holder, grinding device and grinding method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2738197A (en) * 1952-07-14 1956-03-13 Timken Roller Bearing Co Apparatus for handling and inspecting roller-like objects
US3794314A (en) * 1972-01-13 1974-02-26 Coburn Optical Ind Vacuum chuck for ophthalmic lens finishing machinery
US3994101A (en) * 1973-01-03 1976-11-30 Coburn Optical Industries, Inc. Vacuum chuck with sealable cavity
US4844143A (en) * 1987-03-30 1989-07-04 Essilor International (Compagnie Generale D'optique) Mold for fixing a metal block on one of the faces of an ophthalmic lens
JP2008279584A (en) * 2007-05-14 2008-11-20 Olympus Corp Holder, grinding device and grinding method

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