Manufacture of wooden beams
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 31, 1987
Grant Date -
N/A
app pub date -
Jan 30, 1985
filing date -
May 30, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A timber beam is formed of butt-joined timber lengths using at least one joining plate which extends around three sides of the abutted timber lengths. The joining plate has a base section and two side sections at least the side sections each having a plurality of projections extending therefrom. The base section has either additional projections or holes through which fasteners engage to secure the base section to co-planar surfaces of the abutting timber lengths. The joining plate is formed with the base and side sections coplanar with the side sections extending at an angle to the base section. A press plate forces the base section against the co-planar surfaces of the butting timber lengths with any projections extending therefrom embedded in the timber. Rollers or presses act on the side sections to bend them around the timber lengths to embed the projections extending therefrom into opposite sides of the abutted timber lengths.
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