GB549649A - Protective screen for welding - Google Patents

Protective screen for welding

Info

Publication number
GB549649A
GB549649A GB7151/41A GB715141A GB549649A GB 549649 A GB549649 A GB 549649A GB 7151/41 A GB7151/41 A GB 7151/41A GB 715141 A GB715141 A GB 715141A GB 549649 A GB549649 A GB 549649A
Authority
GB
United Kingdom
Prior art keywords
layer
varnish
coloured
metal
transparent
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
GB7151/41A
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.)
JULIUS ALEXANDER NEUMANN
Original Assignee
JULIUS ALEXANDER NEUMANN
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 JULIUS ALEXANDER NEUMANN filed Critical JULIUS ALEXANDER NEUMANN
Priority to GB7151/41A priority Critical patent/GB549649A/en
Publication of GB549649A publication Critical patent/GB549649A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • G02C7/108—Colouring materials
    • 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
    • A61F9/04—Eye-masks ; Devices to be worn on the face, not intended for looking through; Eye-pads for sunbathing
    • A61F9/06—Masks, shields or hoods for welders
    • A61F9/065—Masks, shields or hoods for welders use of particular optical filters
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C2202/00—Generic optical aspects applicable to one or more of the subgroups of G02C7/00
    • G02C2202/16—Laminated or compound lenses

Abstract

549,649. Colour screens; goggles. INTERNATIONAL WELDING CO.; Ltd. (Neumann, J. A.). June 6, 1941, No. 7151. Drawings to Specification. [Class 97 (i)] A protective screen for welders consists of a coloured or colourless transparent glass sheet carrying a transparent layer of metal and a layer of lacquer or varnish to which colour has been: imparted. The metal may be silver, gold, platinum, or copper, and may be applied electrogalvanically, by spraying, or by cathodic atomization. The varnish may be yellow, or may become yellow when heated, or may be coloured to suit requirements; it may be a transparent cellulose lacquer dried at a temperature of about 150‹C. The Provisional Specification describes also a screen comprising a plain glass coated with) a metal layer and with a layer of coloured varnish, and having a coloured glass over the varnish layer. Specification 479,238 is referred to.
GB7151/41A 1941-06-06 1941-06-06 Protective screen for welding Expired GB549649A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7151/41A GB549649A (en) 1941-06-06 1941-06-06 Protective screen for welding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7151/41A GB549649A (en) 1941-06-06 1941-06-06 Protective screen for welding

Publications (1)

Publication Number Publication Date
GB549649A true GB549649A (en) 1942-12-01

Family

ID=9827586

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7151/41A Expired GB549649A (en) 1941-06-06 1941-06-06 Protective screen for welding

Country Status (1)

Country Link
GB (1) GB549649A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2560724A (en) * 1947-12-22 1951-07-17 William H Harrison Mirror for use in determining color contrast
US2774421A (en) * 1937-10-06 1956-12-18 Kurt S Lion Heat-reflecting light-transmitting window shade or the like and material for use in manufacturing the same
DE1045610B (en) * 1957-06-14 1958-12-04 Heraeus Gmbh W C Use of a metal compound that is stable in the atmosphere to protect glass against the accumulation of hot particles

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2774421A (en) * 1937-10-06 1956-12-18 Kurt S Lion Heat-reflecting light-transmitting window shade or the like and material for use in manufacturing the same
US2560724A (en) * 1947-12-22 1951-07-17 William H Harrison Mirror for use in determining color contrast
DE1045610B (en) * 1957-06-14 1958-12-04 Heraeus Gmbh W C Use of a metal compound that is stable in the atmosphere to protect glass against the accumulation of hot particles

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