Stock material or miscellaneous articles – Structurally defined web or sheet – Including aperture
Patent
1984-11-13
1986-12-23
Ives, P. C.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including aperture
428137, 428157, 428165, 4285371, 179157, 427317, B32B 310, B32B 302, H04M 105, B05D 302
Patent
active
046312188
ABSTRACT:
A base plate including an upward projecting peripheral rim and slots on the edge of the rim. The plate consists of a first, preferably flat unit made of wood and a second component connected to it and made of solid wood in the form of a composite frame consisting of three or more parts. Each part of the frame is dried to a very low moisture content and then heat-treated so that the pith fibers are sealed by resin released from the wood. The surface of each part of the frame is also treated with varnish or a similar substance which seals the surface pores of the wood. Each part of the frame is so arranged that the grain of the wood coincides essentially with the height direction of the plate. A reinforcing element prevents the warping of the wood caused by internal stresses in the wooden material.
REFERENCES:
patent: Re3085 (1868-08-01), Mayo
patent: 842411 (1907-01-01), Messinger
patent: 3661688 (1972-05-01), Wheeler
patent: 3879874 (1975-04-01), Broussard, Sr.
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