BR6803183D0 - PROCESS OF PRODUCING ABRASIVE RECIPROCA ACTION BETWEEN TWO CONTACT REVOLUTION SURFACES AND APPLIANCE FOR RECTIFYING AND POLISHING NON-SPHERE REVOLUTION SURFACES ON OPTICALLY USEFUL MATERIAL - Google Patents

PROCESS OF PRODUCING ABRASIVE RECIPROCA ACTION BETWEEN TWO CONTACT REVOLUTION SURFACES AND APPLIANCE FOR RECTIFYING AND POLISHING NON-SPHERE REVOLUTION SURFACES ON OPTICALLY USEFUL MATERIAL

Info

Publication number
BR6803183D0
BR6803183D0 BR203183/68A BR20318368A BR6803183D0 BR 6803183 D0 BR6803183 D0 BR 6803183D0 BR 203183/68 A BR203183/68 A BR 203183/68A BR 20318368 A BR20318368 A BR 20318368A BR 6803183 D0 BR6803183 D0 BR 6803183D0
Authority
BR
Brazil
Prior art keywords
revolution surfaces
reciproca
rectifying
appliance
action
Prior art date
Application number
BR203183/68A
Other languages
Portuguese (pt)
Inventor
D Volk
Original Assignee
D Volk
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 D Volk filed Critical D Volk
Publication of BR6803183D0 publication Critical patent/BR6803183D0/en

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
BR203183/68A 1967-10-16 1968-10-16 PROCESS OF PRODUCING ABRASIVE RECIPROCA ACTION BETWEEN TWO CONTACT REVOLUTION SURFACES AND APPLIANCE FOR RECTIFYING AND POLISHING NON-SPHERE REVOLUTION SURFACES ON OPTICALLY USEFUL MATERIAL BR6803183D0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US67536867A 1967-10-16 1967-10-16

Publications (1)

Publication Number Publication Date
BR6803183D0 true BR6803183D0 (en) 1973-02-27

Family

ID=24710167

Family Applications (1)

Application Number Title Priority Date Filing Date
BR203183/68A BR6803183D0 (en) 1967-10-16 1968-10-16 PROCESS OF PRODUCING ABRASIVE RECIPROCA ACTION BETWEEN TWO CONTACT REVOLUTION SURFACES AND APPLIANCE FOR RECTIFYING AND POLISHING NON-SPHERE REVOLUTION SURFACES ON OPTICALLY USEFUL MATERIAL

Country Status (6)

Country Link
US (1) US3535825A (en)
BR (1) BR6803183D0 (en)
DE (2) DE1817771A1 (en)
ES (1) ES359168A1 (en)
FR (1) FR1596620A (en)
GB (1) GB1179818A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778937A (en) * 1970-02-27 1973-12-18 C Neefe Method for making aspheric surfaces
US3641717A (en) * 1970-02-27 1972-02-15 Charles W Neefe Method for making aspheric convex surfaces
US4002439A (en) * 1973-01-10 1977-01-11 David Volk Method of forming an ophthalmic lens for presbyopia and aphakia
US4181409A (en) * 1978-10-16 1980-01-01 American Optical Corporation Aspheric lens series
US4297008A (en) * 1979-01-16 1981-10-27 Woodford Donald L Method and apparatus for making a non spherical beveled contact lens
US4418991A (en) * 1979-09-24 1983-12-06 Breger Joseph L Presbyopic contact lens
US4640595A (en) * 1984-05-02 1987-02-03 David Volk Aspheric contact lens
AU594308B2 (en) * 1985-08-08 1990-03-08 Band, Jordon C Contact lens
GB201202896D0 (en) 2012-02-21 2012-04-04 Cambridge Entpr Ltd Grinding/polishing machine
CN103213068B (en) * 2013-03-21 2015-02-11 哈尔滨工业大学 Measuring method for obtaining workpiece edge removal function in ultra-precision gasbag polishing technique

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1331037A (en) * 1918-05-31 1920-02-17 Daniel D Sullivan Lens-grinder
US1527045A (en) * 1919-07-18 1925-02-17 H J Stead Lens-surfacing machine
US1659277A (en) * 1924-06-28 1928-02-14 American Optical Corp Lens-surfacing machine
US2087687A (en) * 1934-07-27 1937-07-20 Daniel D Hubbell Apparatus for producing one-piece multifocal ophthalmic lenses
US2247706A (en) * 1939-01-18 1941-07-01 American Optical Corp Lens abrading machine

Also Published As

Publication number Publication date
GB1179818A (en) 1970-02-04
US3535825A (en) 1970-10-27
DE1803095A1 (en) 1970-03-05
DE1817771A1 (en) 1971-03-04
ES359168A1 (en) 1970-07-01
FR1596620A (en) 1970-06-22

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