DE1596688A1 - Multifokales Rohglas und Verfahren zu seiner Herstellung - Google Patents

Multifokales Rohglas und Verfahren zu seiner Herstellung

Info

Publication number
DE1596688A1
DE1596688A1 DE19671596688 DE1596688A DE1596688A1 DE 1596688 A1 DE1596688 A1 DE 1596688A1 DE 19671596688 DE19671596688 DE 19671596688 DE 1596688 A DE1596688 A DE 1596688A DE 1596688 A1 DE1596688 A1 DE 1596688A1
Authority
DE
Germany
Prior art keywords
preselected
distance
line
horizontal
dividing line
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.)
Pending
Application number
DE19671596688
Other languages
German (de)
English (en)
Inventor
Rudd Milo Olson
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.)
Univis Inc
Original Assignee
Univis 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 Univis Inc filed Critical Univis Inc
Publication of DE1596688A1 publication Critical patent/DE1596688A1/de
Pending 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
    • B24B13/0012—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
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Eyeglasses (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
DE19671596688 1966-01-12 1967-01-10 Multifokales Rohglas und Verfahren zu seiner Herstellung Pending DE1596688A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52017366A 1966-01-12 1966-01-12

Publications (1)

Publication Number Publication Date
DE1596688A1 true DE1596688A1 (de) 1970-12-17

Family

ID=24071465

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19671596688 Pending DE1596688A1 (de) 1966-01-12 1967-01-10 Multifokales Rohglas und Verfahren zu seiner Herstellung

Country Status (6)

Country Link
BE (1) BE692018A (US07223432-20070529-C00017.png)
CH (1) CH477010A (US07223432-20070529-C00017.png)
DE (1) DE1596688A1 (US07223432-20070529-C00017.png)
FR (1) FR1514223A (US07223432-20070529-C00017.png)
GB (1) GB1165549A (US07223432-20070529-C00017.png)
NL (1) NL6700424A (US07223432-20070529-C00017.png)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4573777A (en) * 1984-03-08 1986-03-04 Bristol Alexander C Aspheric spectacle lens blank
US6011630A (en) * 1996-11-12 2000-01-04 Gerber Optical, Inc. System and method for blocking a lens

Also Published As

Publication number Publication date
BE692018A (US07223432-20070529-C00017.png) 1967-06-30
NL6700424A (US07223432-20070529-C00017.png) 1967-07-13
FR1514223A (fr) 1968-02-23
CH477010A (de) 1969-08-15
GB1165549A (en) 1969-10-01

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