Safes – bank protection – or a related device – Wall and panel structures – closures and closure adjuncts – Walls and panels
Patent
1973-09-19
1976-01-06
Taylor, Dennis L.
Safes, bank protection, or a related device
Wall and panel structures, closures and closure adjuncts
Walls and panels
89 36A, 109 495, 428339, F41H 504
Patent
active
039304523
ABSTRACT:
An impact resistant panel composed of a group of at least three sheets of vitreous material bonded together via intervening layers of plastic material. According to one form of construction, the group includes a set of consecutive vitreous sheets of at least three different thicknesses which are arranged in order of thickness, and at least the first sheet, taken in the direction from the highest sheet thickness end of the set, is tempered. According to a second form of construction, the group includes a set of consecutive sheets of at least two different thicknesses arranged in order of thickness and at least two of the plastic layers are of different thicknesses and are arranged so that one of the layers having the smallest thickness is nearer the first sheet, taken in the direction from the thickest sheet, than is any other layer.
REFERENCES:
patent: 2991209 (1961-07-01), Worrall
patent: 3135645 (1964-06-01), Burkley et al.
patent: 3324768 (1967-06-01), Eichelberger
patent: 3380406 (1968-04-01), Gosnell
patent: 3671370 (1972-06-01), Littell
patent: 3702593 (1972-11-01), Fine
Baudin Pol
De Boel Marcel
Laethem Robert Van
Glaverbel-Mecaniver S.A.
Taylor Dennis L.
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