Safety shield for vacuum/pressure chamber viewing port

Safes – bank protection – or a related device – Shields and protectors

Patent

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Details

49171, 109 585, 220 82R, 220 89A, E06B 900

Patent

active

042455669

ABSTRACT:
A safety shield for protecting observers from flying debris resulting from a failure of a vacuum or pressure chamber viewing port following an implosion or explosion includes an optically clear shatter-resistant safety shield member spaced apart from the viewing port on the outer surface of the chamber.

REFERENCES:
patent: 1407975 (1922-02-01), Wolfe et al.
patent: 1521393 (1924-12-01), Ross
patent: 1686942 (1928-10-01), Thielker
patent: 2736231 (1956-02-01), Bauersfeld
patent: 3369836 (1968-02-01), Haycock et al.
patent: 3393485 (1968-07-01), Wright
patent: 4006973 (1977-02-01), Zanotti et al.

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