GB541185A - Improvements in or relating to cowl and like devices - Google Patents

Improvements in or relating to cowl and like devices

Info

Publication number
GB541185A
GB541185A GB962440A GB962440A GB541185A GB 541185 A GB541185 A GB 541185A GB 962440 A GB962440 A GB 962440A GB 962440 A GB962440 A GB 962440A GB 541185 A GB541185 A GB 541185A
Authority
GB
United Kingdom
Prior art keywords
cowl
rays
slots
lamp
relating
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
GB962440A
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.)
Vinters Armstrongs Ltd
Original Assignee
Vickers Armstrongs Ltd
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 Vickers Armstrongs Ltd filed Critical Vickers Armstrongs Ltd
Priority to GB962440A priority Critical patent/GB541185A/en
Publication of GB541185A publication Critical patent/GB541185A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00

Abstract

541,185. Lamp cowls. VICKERS-ARMSTRONGS, Ltd., and MILLER, D. C. June 1, 1940, No. 9624. [Class 75 (iv)] A cowl 1 fitted to the front of a lamp or lantern 2 and having slotted or apertured front and rear plates allowing direct rays to issue over an angle A is provided with a number of slots 3 to intercept any rays which would normally reach the inner side surfaces of the cowl. The slots 3 may be arranged parallel to the front and back of the cowl, at right angles to the intercepted rays, or at angles varying according to the inclination of the rays.
GB962440A 1940-06-01 1940-06-01 Improvements in or relating to cowl and like devices Expired GB541185A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB962440A GB541185A (en) 1940-06-01 1940-06-01 Improvements in or relating to cowl and like devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB962440A GB541185A (en) 1940-06-01 1940-06-01 Improvements in or relating to cowl and like devices

Publications (1)

Publication Number Publication Date
GB541185A true GB541185A (en) 1941-11-17

Family

ID=9875578

Family Applications (1)

Application Number Title Priority Date Filing Date
GB962440A Expired GB541185A (en) 1940-06-01 1940-06-01 Improvements in or relating to cowl and like devices

Country Status (1)

Country Link
GB (1) GB541185A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0052503A1 (en) * 1980-11-17 1982-05-26 The Commonwealth Of Australia Directional lamp shade

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0052503A1 (en) * 1980-11-17 1982-05-26 The Commonwealth Of Australia Directional lamp shade

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