Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Physical dimension specified
Patent
1976-02-12
1977-09-20
Lesmes, George F.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Physical dimension specified
109 80, 109 82, 428417, 428447, 428450, 428911, B32B 904, B32B 1504
Patent
active
040498646
ABSTRACT:
The disclosure relates to a barrier for resisting penetration by such as hand tools and oxy-acetylene cutting torches. The barrier comprises a layer of firebrick, which is preferably epoxy impregnated sandwiched between inner and outer layers of steel. Between the firebrick and steel are layers of resilient rubber-like filler.
REFERENCES:
patent: 2279110 (1942-04-01), Collins
patent: 2381779 (1945-08-01), Scott
patent: 3220878 (1965-11-01), Pines
patent: 3408966 (1968-11-01), Gartner
Hoover William R.
Mead Keith E.
Street Henry K.
Carlson Dean E.
King Dudley W.
Lesmes George F.
The United States of America as represented by the United States
Thibodeau P. J.
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