Reinforcing timber

Details Reinforcing timber Reinforcing timber

1984-09-28

1986-05-06

Husar, Francis S.

Woodworking

Process

Securing

144344, 52DIG6, B27F 700

Patent

active

045865507

ABSTRACT:
A method of reinforcing timber beams (15) by fixing sheet metal plates or strips (10) to the top and/or bottom of the beam (15) so that the plates or strips (10) are placed in tension after compression when a load is applied to the beam (15). Teeth (11) pressed out of the plates or strips (10) are fixed into the beam (15) by passing the assembly between pressure rollers or pads (16). The plates or strips (10) may extend over 40%-70% of the length of the beam (15) in the area of maximum deflection of the beam under the applied load to increase the stiffness of the beam by 50%-80%.

REFERENCES:
patent: 3686809 (1972-08-01), Lindal

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