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, polyesters

Info

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
Application number
FR7022938A
Other languages
French (fr)
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.)
Societe Nationale des Petroles dAquitaine SA
Original Assignee
Societe Nationale des Petroles dAquitaine SA
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 Societe Nationale des Petroles dAquitaine SA filed Critical Societe Nationale des Petroles dAquitaine SA
Priority to FR7022938A priority Critical patent/FR2094448A5/en
Application granted granted Critical
Publication of FR2094448A5 publication Critical patent/FR2094448A5/en
Expired legal-status Critical Current

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%.
FR7022938A 1970-06-22 1970-06-22 Discharge lamp lens - made of or lined with durable transparent thermoplastics esp acrylics, polyesters Expired FR2094448A5 (en)

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)

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Legal Events

Date Code Title Description
ST Notification of lapse