CA979220A - Method and apparatus for making one-piece multifocal lenses - Google Patents

Method and apparatus for making one-piece multifocal lenses

Info

Publication number
CA979220A
CA979220A CA170,689A CA170689A CA979220A CA 979220 A CA979220 A CA 979220A CA 170689 A CA170689 A CA 170689A CA 979220 A CA979220 A CA 979220A
Authority
CA
Canada
Prior art keywords
making
multifocal lenses
piece multifocal
piece
lenses
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
CA170,689A
Other languages
English (en)
Other versions
CA170689S (en
Inventor
Paul Martiros
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.)
American Optical Corp
Original Assignee
American Optical Corp
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 American Optical Corp filed Critical American Optical Corp
Application granted granted Critical
Publication of CA979220A publication Critical patent/CA979220A/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
    • B24B13/0057—Deblocking of lenses
    • 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
    • B24B13/0012—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor for multifocal lenses
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Eyeglasses (AREA)
  • Lens Barrels (AREA)
CA170,689A 1972-06-26 1973-05-08 Method and apparatus for making one-piece multifocal lenses Expired CA979220A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00266189A US3815294A (en) 1972-06-26 1972-06-26 Method for making one-piece multifocal lenses

Publications (1)

Publication Number Publication Date
CA979220A true CA979220A (en) 1975-12-09

Family

ID=23013546

Family Applications (1)

Application Number Title Priority Date Filing Date
CA170,689A Expired CA979220A (en) 1972-06-26 1973-05-08 Method and apparatus for making one-piece multifocal lenses

Country Status (4)

Country Link
US (1) US3815294A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5645746B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA979220A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1389982A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS531538A (en) * 1976-06-24 1978-01-09 Dorondo Ando Eichison Saabishi Method of manufacturing lens and tool and apparatus for carrying out the same method
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
US5269102A (en) * 1991-06-19 1993-12-14 Gerber Optical, Inc. Disposable lap blank
US5567198A (en) * 1994-11-17 1996-10-22 Coburn Optical Industries, Inc. Compression sleeve ophthalmic lens chuck
RU2005102099A (ru) * 2002-06-28 2005-09-10 Карл Цайс Аг (De) Способ центрирования оптических элементов и устройство для его осуществления
US20050221721A1 (en) * 2004-04-05 2005-10-06 Valle Hector Leopoldo A Method and apparatus for grinding and polishing free-form ophthalmic surfaces
DE112014000978T5 (de) * 2013-03-19 2016-01-07 XiaoYan Chen Poliervorrichtung für optische Elemente und entsprechendes Verfahren

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1047839B (de) * 1956-10-09 1958-12-31 Philips Nv Bistabile Kippschaltung mit zwei Transistoren des stromverstaerkenden Typs
US2966767A (en) * 1957-02-26 1961-01-03 American Optical Corp Method of making multifocal lenses
US3066458A (en) * 1959-10-01 1962-12-04 Continental Optical Company In Method of making lenses
US3339318A (en) * 1961-06-07 1967-09-05 American Optical Corp Method of making ophthalmic lens
US3618271A (en) * 1969-09-15 1971-11-09 American Optical Corp Multifocal lens manufacturing process and apparatus

Also Published As

Publication number Publication date
GB1389982A (en) 1975-04-09
JPS5645746B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1981-10-28
JPS4958852A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-06-07
US3815294A (en) 1974-06-11

Similar Documents

Publication Publication Date Title
CA1005230A (en) Method and apparatus for transfer molding glass lenses
CA978640A (en) Method and apparatus for surface-to-downhole communication
CA988729A (en) Method and apparatus for making clear ice
CA992778A (en) Apparatus and method for analyzing sphero-cylindrical optical systems
CA974450A (en) Pipe-spinning apparatus and method
CA981577A (en) Well completion apparatus and method
CA990339A (en) Method and apparatus for inductive electrophotography
CA979220A (en) Method and apparatus for making one-piece multifocal lenses
CA1007456A (en) Apparatus and method for producing contact lenses
CA987095A (en) Method and apparatus for inspecting surface treated ophthalmic lenses
CA980653A (en) Method and apparatus for making cigarettes
AU469595B2 (en) Electrophotographic apparatus and method
AU441066B2 (en) Ophthalmic lenses and method for their manufacture
CA914064A (en) Method and apparatus for well cleanout
CA961323A (en) Ophthalmic lenses and method for their manufacture
CA904127A (en) Method and apparatus for making staple-fibre yarns
CA899990A (en) Method and apparatus for high-energy-rate forming
AU463349B2 (en) Electrographic method and apparatus
CA912268A (en) Method for developing fingerprints
CA914864A (en) Method and apparatus for making shoes
CA896815A (en) Apparatus and method for making shoes
CA904745A (en) Well completion method and apparatus
CA898568A (en) Method for figuring lenses
CA913165A (en) Fusing method and apparatus
AU6253173A (en) Electrophotographic method and apparatus