CA493309A - Welding helmet with air pressure responsive shiftable eye protective lens - Google Patents

Welding helmet with air pressure responsive shiftable eye protective lens

Info

Publication number
CA493309A
CA493309A CA493309A CA493309DA CA493309A CA 493309 A CA493309 A CA 493309A CA 493309 A CA493309 A CA 493309A CA 493309D A CA493309D A CA 493309DA CA 493309 A CA493309 A CA 493309A
Authority
CA
Canada
Prior art keywords
shiftable
air pressure
pressure responsive
welding helmet
protective lens
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
CA493309A
Other languages
French (fr)
Inventor
A. Schnitzler Walter
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA493309A publication Critical patent/CA493309A/en
Expired legal-status Critical Current

Links

CA493309A Welding helmet with air pressure responsive shiftable eye protective lens Expired CA493309A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA493309T

Publications (1)

Publication Number Publication Date
CA493309A true CA493309A (en) 1953-06-02

Family

ID=35638696

Family Applications (1)

Application Number Title Priority Date Filing Date
CA493309A Expired CA493309A (en) Welding helmet with air pressure responsive shiftable eye protective lens

Country Status (1)

Country Link
CA (1) CA493309A (en)

Similar Documents

Publication Publication Date Title
CA493309A (en) Welding helmet with air pressure responsive shiftable eye protective lens
CA487905A (en) Exercising helmet
FR1161463A (en) Aviator helmet visor
CA496583A (en) Eye lens
CA496951A (en) Protective helmets
CA492378A (en) Plastic helmet
CA494368A (en) Head protector and temple guard for baseball players
AU165347B2 (en) Protective grille
CA498014A (en) Hat holder
CA494992A (en) Two piece hat construction
CA474319A (en) Ophthalmic lenses
CA496499A (en) Combination welder's face shield and helmet
CA494375A (en) Combination visor and magnifier
CA564676A (en) Helmet with eyeshield
CA564677A (en) Helmet with eyeshield
CA492806A (en) Allylic fumarate copolymer with allylic alcohols
CA504393A (en) Bandeau for the eyes
AU2229453A (en) Protective grille
CA484426A (en) Helmet
CA492068A (en) Welding through pressure
FR1159744A (en) Safety helmet with retractable transparent visor
CA509512A (en) Optical eye shield
FR1044167A (en) Anti-glare eye protector
AU150877B2 (en) Improvements relating to protective helmets
CA496242A (en) Hat