FR2094448A5 - Discharge lamp lens - made of or lined with durable transparent thermoplastics esp acrylics, polyesters - Google Patents
Discharge lamp lens - made of or lined with durable transparent thermoplastics esp acrylics, polyestersInfo
- Publication number
- FR2094448A5 FR2094448A5 FR7022938A FR7022938A FR2094448A5 FR 2094448 A5 FR2094448 A5 FR 2094448A5 FR 7022938 A FR7022938 A FR 7022938A FR 7022938 A FR7022938 A FR 7022938A FR 2094448 A5 FR2094448 A5 FR 2094448A5
- Authority
- FR
- France
- Prior art keywords
- acrylics
- esp
- lined
- polyesters
- discharge lamp
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
- H01J61/34—Double-wall vessels or containers
Landscapes
- Laminated Bodies (AREA)
Abstract
Transparent plastic lenses, linings or sleeves for high pressure discharge lamps or emitters, pref. made of acrylic, polyester or heteroatomic resins, pref. with at least one sleeve of polymethyl methacrylate. Pref. the lens profile undulates to increase its surface area by e.g. about 40%.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7022938A FR2094448A5 (en) | 1970-06-22 | 1970-06-22 | Discharge lamp lens - made of or lined with durable transparent thermoplastics esp acrylics, polyesters |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7022938A FR2094448A5 (en) | 1970-06-22 | 1970-06-22 | Discharge lamp lens - made of or lined with durable transparent thermoplastics esp acrylics, polyesters |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2094448A5 true FR2094448A5 (en) | 1972-02-04 |
Family
ID=9057568
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7022938A Expired FR2094448A5 (en) | 1970-06-22 | 1970-06-22 | Discharge lamp lens - made of or lined with durable transparent thermoplastics esp acrylics, polyesters |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2094448A5 (en) |
-
1970
- 1970-06-22 FR FR7022938A patent/FR2094448A5/en not_active Expired
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |