CA1170080A - Method for measurement of the cavity volume of soft contact lenses and the apparatus for this measuring method - Google Patents
Method for measurement of the cavity volume of soft contact lenses and the apparatus for this measuring methodInfo
- Publication number
- CA1170080A CA1170080A CA000400193A CA400193A CA1170080A CA 1170080 A CA1170080 A CA 1170080A CA 000400193 A CA000400193 A CA 000400193A CA 400193 A CA400193 A CA 400193A CA 1170080 A CA1170080 A CA 1170080A
- Authority
- CA
- Canada
- Prior art keywords
- liquid
- capillary tube
- volume
- measurement
- measuring capillary
- 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
Links
- 238000005259 measurement Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 39
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052753 mercury Inorganic materials 0.000 claims abstract description 22
- 238000007654 immersion Methods 0.000 claims abstract description 17
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000000875 corresponding effect Effects 0.000 abstract description 5
- 230000000284 resting effect Effects 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- -1 poly(vinyl chloride) Polymers 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005499 meniscus Effects 0.000 description 1
- 238000004452 microanalysis Methods 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000001028 reflection method Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F17/00—Methods or apparatus for determining the capacity of containers or cavities, or the volume of solid bodies
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Eyeglasses (AREA)
- Sampling And Sample Adjustment (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS2429/81 | 1981-04-01 | ||
| CS242981A CS223386B1 (en) | 1981-04-01 | 1981-04-01 | Method of measuring the liquids volume according their shift in the specific capillary tube and device for executing the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1170080A true CA1170080A (en) | 1984-07-03 |
Family
ID=5361427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000400193A Expired CA1170080A (en) | 1981-04-01 | 1982-03-31 | Method for measurement of the cavity volume of soft contact lenses and the apparatus for this measuring method |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5824817A (cs) |
| CA (1) | CA1170080A (cs) |
| CS (1) | CS223386B1 (cs) |
| DE (1) | DE3211986A1 (cs) |
| FR (1) | FR2503358A1 (cs) |
| GB (1) | GB2096778B (cs) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19523768A1 (de) * | 1995-06-29 | 1997-01-02 | Siemens Ag | Vorrichtung zur Ölstandskontrolle bei elektromotorischen Antrieben mit Getriebe |
| DE102009030632C5 (de) | 2009-06-25 | 2014-12-31 | Benteler Automobiltechnik Gmbh | Verfahren und Vorrichtung zur Herstellung eines Katalysators |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1448753A (fr) * | 1964-08-19 | 1966-03-18 | Renault | Appareil hydropneumatique pour mesure des volumes |
| DE2128365C3 (de) * | 1971-06-08 | 1974-05-22 | Optische Werke G. Rodenstock, 8000 Muenchen | Einrichtung zur vergrößerten Darstellung des Querschnittes von unzerstörten Contactlinsen oder dgl |
| JPS554220B2 (cs) * | 1972-07-10 | 1980-01-29 | ||
| GB1427118A (en) * | 1974-05-30 | 1976-03-10 | Essilor Int | Apparatus for measuring the frontal power of corneal contact lenses |
| DE2527252C3 (de) * | 1975-06-19 | 1978-07-27 | Helmut 7053 Kernen Hetzel | Ablagevorrichtung fur lose, gefaltete Blatter mit bandartigen Halteelementen |
| CS195533B1 (en) * | 1977-09-30 | 1980-02-29 | Otto Wichterle | Measuring set for determination of the sagital depth and average centre curvature of the gel contact lenses |
| DE7828459U1 (de) * | 1978-09-25 | 1979-03-08 | Optische Werke G. Rodenstock, 8000 Muenchen | Contactlinsenauflage |
-
1981
- 1981-04-01 CS CS242981A patent/CS223386B1/cs unknown
-
1982
- 1982-03-25 GB GB8208803A patent/GB2096778B/en not_active Expired
- 1982-03-26 FR FR8205185A patent/FR2503358A1/fr active Granted
- 1982-03-31 DE DE19823211986 patent/DE3211986A1/de not_active Ceased
- 1982-03-31 CA CA000400193A patent/CA1170080A/en not_active Expired
- 1982-04-01 JP JP5239682A patent/JPS5824817A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB2096778A (en) | 1982-10-20 |
| DE3211986A1 (de) | 1982-10-21 |
| GB2096778B (en) | 1984-12-05 |
| FR2503358A1 (fr) | 1982-10-08 |
| JPS5824817A (ja) | 1983-02-14 |
| JPS6319009B2 (cs) | 1988-04-21 |
| CS223386B1 (en) | 1983-10-28 |
| FR2503358B1 (cs) | 1985-02-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |