CA986308A - Apparatus for and method of edging a non-rigid lens - Google Patents

Apparatus for and method of edging a non-rigid lens

Info

Publication number
CA986308A
CA986308A CA172,627A CA172627A CA986308A CA 986308 A CA986308 A CA 986308A CA 172627 A CA172627 A CA 172627A CA 986308 A CA986308 A CA 986308A
Authority
CA
Canada
Prior art keywords
edging
rigid lens
rigid
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.)
Expired
Application number
CA172,627A
Other languages
English (en)
Other versions
CA172627S (en
Inventor
Richard J. Wrue
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.)
Bausch and Lomb Inc
Original Assignee
Bausch and Lomb 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 Bausch and Lomb Inc filed Critical Bausch and Lomb Inc
Application granted granted Critical
Publication of CA986308A publication Critical patent/CA986308A/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
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
    • B24B9/14—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms
    • B24B9/142—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms for contact lenses
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T82/00—Turning
    • Y10T82/25—Lathe
    • Y10T82/2527—Lathe having hollow cutter head

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (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)
  • Turning (AREA)
  • Eyeglasses (AREA)
  • Jigs For Machine Tools (AREA)
CA172,627A 1972-07-13 1973-05-29 Apparatus for and method of edging a non-rigid lens Expired CA986308A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00271431A US3832920A (en) 1972-07-13 1972-07-13 Apparatus for and method of edging a non-rigid lens

Publications (1)

Publication Number Publication Date
CA986308A true CA986308A (en) 1976-03-30

Family

ID=23035530

Family Applications (1)

Application Number Title Priority Date Filing Date
CA172,627A Expired CA986308A (en) 1972-07-13 1973-05-29 Apparatus for and method of edging a non-rigid lens

Country Status (7)

Country Link
US (1) US3832920A (ru)
JP (1) JPS4944389A (ru)
AR (1) AR204397A1 (ru)
CA (1) CA986308A (ru)
DE (1) DE2331256A1 (ru)
FR (1) FR2192906B1 (ru)
GB (1) GB1438031A (ru)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4647261A (en) * 1983-09-19 1987-03-03 International Hydron Corporation Cutting device and method for the precision trimming of the edge of a cast lens
US4534723A (en) * 1984-01-30 1985-08-13 International Hydron Corporation Cutting device for the precision trimming of the edge of a centrifugally cast lens
US5079878A (en) * 1990-02-15 1992-01-14 Bausch & Lomb Incorporated Soft contact lens processing aid
FR2693121B1 (fr) * 1992-07-02 1994-09-09 Atochem Elf Sa Nouveau procédé de coagulation-floculation.
US5378412A (en) * 1992-12-02 1995-01-03 Bausch & Lomb Incorporated Method of edging a contact lens or lens blank

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US679540A (en) * 1900-08-02 1901-07-30 Deering Harvester Company Chuck or die for pointing or rounding ends of bolts.
US1689219A (en) * 1926-11-17 1928-10-30 Koehler Mfg Co Cleat-trimming machine
US2582279A (en) * 1946-03-12 1952-01-15 Landis Machine Co Centering device for pipe-threading machines
US2522315A (en) * 1947-07-07 1950-09-12 Aaron A Staat Automatic undercutting and grooving tool
US2598656A (en) * 1950-04-01 1952-05-27 Bastian Bros Co Wire-pointing mechanism
DE1149587B (de) * 1959-10-30 1963-05-30 Th Calow & Co Schaelmaschine

Also Published As

Publication number Publication date
GB1438031A (ru) 1976-06-03
DE2331256A1 (de) 1975-01-30
US3832920A (en) 1974-09-03
FR2192906B1 (ru) 1977-02-18
JPS4944389A (ru) 1974-04-26
FR2192906A1 (ru) 1974-02-15
AR204397A1 (es) 1976-02-06

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