Impact resistant panels

Details Impact resistant panels Impact resistant panels

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

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