Movable or removable closures – With means mounting closure for swinging – Hinge leaf mounted on closure edge surface
Patent
1985-07-30
1988-06-07
Dorner, Kenneth J.
Movable or removable closures
With means mounting closure for swinging
Hinge leaf mounted on closure edge surface
5230917, 52813, 428920, E05D 700
Patent
active
047487712
ABSTRACT:
A fire door comprising a core and edge banding, the principal ingredients of the core being expanded perlite, gypsum and cement, the edge banding comprising a strip of natural wood, a strip of a cast mixture of which the principal ingredient is gypsum and an intervening strip of plastic laminate.
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patent: 4517329 (1985-05-01), Thompson
Undated Cal-Wood Door Brochure, No. 8.3/Cal, entitled "The Leader in Architectural Doors", See Especially, pp. 3-4.
Hinkel Ray W.
Lehnert Charles W.
Van Dyke James R.
Anderson Gerald A.
Dorner Kenneth J.
Georgia-Pacific Corporation
King William T.
Synnestvedt John T.
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