Composite beam

Details Composite beam Composite beam

1988-02-05

1989-05-30

Scherbel, David A.

Static structures (e.g., buildings)

Machine or implement

52DIG6, 52 90, 52639, 144 41, 411466, E04C 302, E04C 3292

Patent

active

048338591

ABSTRACT:
A composite beam has round timber sections joined by nail plates, each timber section being edged in accordance with the conical contour of the tree trunk from which it is formed. The timber sections are joined by the nail plates with their tapered ends pointed in the same or in opposite directions, depending on the load requirements. Each nail plate has a front edge, a rear edge and a pair of longitudinal edges, and rows of nails are formed of tongue-shaped punch-outs in the nail plate, with each punch-out being parallel to the longitudinal edges. A step pattern is provided on the front edge and/or the rear edge.

REFERENCES:
patent: 705626 (1902-07-01), Vogel
patent: 3016586 (1962-01-01), Atkins
patent: 3487866 (1970-01-01), Mitten
patent: 3494645 (1970-02-01), Jureit
patent: 4442649 (1984-04-01), Birckhead et al.
patent: 4476663 (1984-10-01), Bikales
patent: 4562683 (1986-01-01), Gottlieb
patent: 4710083 (1987-12-01), Wolf

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