E - Fixed Constructions – 06 – B
Patent
E - Fixed Constructions
06
B
292/57, 70/60
E06B 3/00 (2006.01) E05B 63/10 (2006.01) E06B 3/82 (2006.01) E06B 3/70 (2006.01)
Patent
CA 1126789
APPLICATION FOR LETTERS PATENT FOR PLASTIC FOAM-FILLED DOOR HAVING INTEGRAL PLASTIC HOUSING DEFINING LOCK CYLINDER AND LOCK BOLT CHAMBERS ABSTRACT OF THE DISCLOSURE A door formed of a pair of spaced-apart metal skins and a core provided intermediate the skins composed of a foamed plastic material. A plastic housing is provided having a wall substantially perpendicular to and engaging the metal skins and cooperating therewith to define a lock cylinder chamber and a communicating lock bolt chamber and preventing the foam plastic material from entering the chambers.
344025
Nelson David M.
Company United States Gypsum
Macrae & Co.
LandOfFree
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