CA1079104A - Safety spectacles - Google Patents
Safety spectaclesInfo
- Publication number
- CA1079104A CA1079104A CA276,864A CA276864A CA1079104A CA 1079104 A CA1079104 A CA 1079104A CA 276864 A CA276864 A CA 276864A CA 1079104 A CA1079104 A CA 1079104A
- Authority
- CA
- Canada
- Prior art keywords
- lens
- lenses
- slots
- recess
- rim
- 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
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000000875 corresponding effect Effects 0.000 description 3
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 201000009032 substance abuse Diseases 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-M Butyrate Chemical compound CCCC([O-])=O FERIUCNNQQJTOY-UHFFFAOYSA-M 0.000 description 1
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Natural products CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 1
- 229920005372 Plexiglas® Polymers 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 229920001727 cellulose butyrate Polymers 0.000 description 1
- 229920006218 cellulose propionate Polymers 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000005499 meniscus Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C1/00—Assemblies of lenses with bridges or browbars
- G02C1/06—Bridge or browbar secured to or integral with closed rigid rims for the lenses
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Ophthalmology & Optometry (AREA)
- Optics & Photonics (AREA)
- Eyeglasses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US68865676A | 1976-05-21 | 1976-05-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1079104A true CA1079104A (en) | 1980-06-10 |
Family
ID=24765245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA276,864A Expired CA1079104A (en) | 1976-05-21 | 1977-04-25 | Safety spectacles |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS6015042B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1079104A (enrdf_load_stackoverflow) |
| DE (1) | DE2717967C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2352317A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1583222A (enrdf_load_stackoverflow) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4338004A (en) * | 1979-11-09 | 1982-07-06 | Vosper George W | Snap-in lens for glasses |
| JPS5753714A (en) * | 1980-09-16 | 1982-03-30 | Nippon Telegr & Teleph Corp <Ntt> | Optical fiber connector |
| DE3104569A1 (de) * | 1981-02-10 | 1982-09-09 | Hans-Hellmut Ing.(grad.) 2061 Sülfeld Ernst | Brillen-baukastensystem |
| JPH0745051Y2 (ja) * | 1983-09-02 | 1995-10-11 | オリンパス光学工業株式会社 | フィルター保持枠 |
| JPS61154925U (enrdf_load_stackoverflow) * | 1985-03-15 | 1986-09-26 | ||
| DE102004035592A1 (de) * | 2004-07-22 | 2006-03-16 | Nigura Optik Gmbh | Brille mit auswechselbaren Brillengläsern |
| JP4929420B1 (ja) * | 2011-12-21 | 2012-05-09 | 一成 大浦 | 補助レンズ嵌め込み式眼鏡 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1520977A (en) * | 1921-06-22 | 1924-12-30 | Bausch & Lomb | Ophthalmic mounting |
| US2184427A (en) * | 1937-12-27 | 1939-12-26 | Bausch & Lomb | Ophthalmic mounting |
| US2574839A (en) * | 1948-08-31 | 1951-11-13 | Harold H Pelzer | Spectacle lens mount |
-
1977
- 1977-04-21 DE DE19772717967 patent/DE2717967C2/de not_active Expired
- 1977-04-25 CA CA276,864A patent/CA1079104A/en not_active Expired
- 1977-05-02 FR FR7713164A patent/FR2352317A1/fr active Granted
- 1977-05-10 GB GB1960377A patent/GB1583222A/en not_active Expired
- 1977-05-18 JP JP5648377A patent/JPS6015042B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2717967C2 (de) | 1986-11-27 |
| JPS52143045A (en) | 1977-11-29 |
| JPS6015042B2 (ja) | 1985-04-17 |
| FR2352317A1 (fr) | 1977-12-16 |
| FR2352317B1 (enrdf_load_stackoverflow) | 1981-12-18 |
| DE2717967A1 (de) | 1977-12-01 |
| GB1583222A (en) | 1981-01-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |