Wooden beam and process for its manufacture

Details Wooden beam and process for its manufacture Wooden beam and process for its manufacture

1997-04-02

1998-10-06

Bray, W. Donald

Static structures (e.g., buildings)

Processes

Fabrication of member, module, etc.

52574, 527317, 144346, 144355, 144378, 156264, 1563041, 428 58, 428114, 428105, E04S 100, B27F 100

Patent

active

058160159

ABSTRACT:
A beam is composed of a tree trunk which has been star-mortised into right triangular sections which are joined together in pairs to produce rectanguloid laminae that are, in turn, glued together to form a beam in which growth rings of the tree trunk are oriented vertically and in the longitudinal direction of the beam. Due to the resulting more favorable growth ring position, the beam according to the invention can be much more highly statically loaded than a conventional beam, and moreover, can be produced at much lower costs than known glued wood truss beams formed of solid, one-piece rectanguloid tree trunk sections.

REFERENCES:
patent: 781376 (1905-01-01), Sorenson
patent: 3903943 (1975-09-01), Hasenwinkle
patent: 3961654 (1976-06-01), Hasenwinkle
patent: 3989078 (1976-11-01), Hasenwinkle

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