GB1334346A - Method of and apparatus for viewing the cross-section of contact lenses - Google Patents

Method of and apparatus for viewing the cross-section of contact lenses

Info

Publication number
GB1334346A
GB1334346A GB2661072A GB2661072A GB1334346A GB 1334346 A GB1334346 A GB 1334346A GB 2661072 A GB2661072 A GB 2661072A GB 2661072 A GB2661072 A GB 2661072A GB 1334346 A GB1334346 A GB 1334346A
Authority
GB
United Kingdom
Prior art keywords
cross
section
viewing
contact lenses
june
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
GB2661072A
Other languages
English (en)
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.)
Optische Werke G Rodenstock
Original Assignee
Optische Werke G Rodenstock
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 Optische Werke G Rodenstock filed Critical Optische Werke G Rodenstock
Publication of GB1334346A publication Critical patent/GB1334346A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/08—Optical projection comparators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Microscoopes, Condenser (AREA)
  • Lenses (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Optical Elements Other Than Lenses (AREA)
GB2661072A 1971-06-08 1972-06-07 Method of and apparatus for viewing the cross-section of contact lenses Expired GB1334346A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712128365 DE2128365C3 (de) 1971-06-08 1971-06-08 Einrichtung zur vergrößerten Darstellung des Querschnittes von unzerstörten Contactlinsen oder dgl

Publications (1)

Publication Number Publication Date
GB1334346A true GB1334346A (en) 1973-10-17

Family

ID=5810149

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2661072A Expired GB1334346A (en) 1971-06-08 1972-06-07 Method of and apparatus for viewing the cross-section of contact lenses

Country Status (3)

Country Link
DE (1) DE2128365C3 (https=)
FR (1) FR2141246A5 (https=)
GB (1) GB1334346A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2145852A (en) * 1980-05-08 1985-04-03 Zumbach Electronic Ag Measurement in and feed back control of an extrusion apparatus
GB2171812A (en) * 1984-11-20 1986-09-03 Michael Roy Killpartrick Inspecting contact lenses in wet cell

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA79531B (en) * 1978-02-14 1980-02-27 De Beers Cons Mines Ltd Improvements in radiography
DE2855598A1 (de) * 1978-12-22 1980-07-03 Aeg Telefunken Kabelwerke Vorrichtung zur durchleuchtung und abbildung eines langgestreckten gebildes
DE3048558A1 (de) * 1980-12-22 1982-07-22 Battelle-Institut E.V., 6000 Frankfurt Verfahren und vorrichtung zur beruehrungslosen vermessung von kontaktlinsen
CS223386B1 (en) * 1981-04-01 1983-10-28 Otto Wichterle Method of measuring the liquids volume according their shift in the specific capillary tube and device for executing the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2145852A (en) * 1980-05-08 1985-04-03 Zumbach Electronic Ag Measurement in and feed back control of an extrusion apparatus
GB2171812A (en) * 1984-11-20 1986-09-03 Michael Roy Killpartrick Inspecting contact lenses in wet cell

Also Published As

Publication number Publication date
FR2141246A5 (https=) 1973-01-19
DE2128365C3 (de) 1974-05-22
DE2128365A1 (de) 1972-12-21
DE2128365B2 (de) 1973-10-31

Similar Documents

Publication Publication Date Title
GB1451885A (en) Image rotating optical system
GB991847A (en) Ophthalmoscopic instruments
GB1035990A (en) Optical system focussing device
GB1334346A (en) Method of and apparatus for viewing the cross-section of contact lenses
GB1106108A (en) Improvements in or relating to optical measuring apparatus for spectacles
KR920702508A (ko) 영사기
GB1531525A (en) Optical system
FR2220803A1 (en) Spectacle lens checking appts. - for centering lens optical axis relative to eye of wearer uses patterns made up of squares
GB1110554A (en) Improvements relating to field glasses
GB1172705A (en) Wide Angle Photographic or Cinematographic Objective.
GB1176659A (en) An Optical Lens.
GB1381470A (en) Camera focus indicia system
GB1293808A (en) Improvements in binoculars
GB1427808A (en) Super-wide-angle photographic lens assembly
SU574691A1 (ru) Окул р
GB1304470A (https=)
SU532073A1 (ru) Окул р
GB527956A (en) Improvements in kinematographic apparatus
SU398906A1 (ru) Линзовый объектив с увеличенным задним
FR2249591A5 (en) Environment compensating differential refractometer - mirrors reflect rays from collimator to eyepiece
SU135153A1 (ru) Пузырькова камера
GB154222A (en) Improvements in or relating to cinematograph projection apparatus
SU381979A1 (ru) Устройство для определения блеска лакокрасочных покрытий
SU415482A1 (https=)
SU412584A1 (https=)

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee