Breakaway timber support poles

Details Breakaway timber support poles Breakaway timber support poles

1982-01-11

1984-02-21

Bray, W. D.

Static structures (e.g., buildings)

Frangible section or means

523094, 5230913, 52720, 52741, 144330, 144345, 404 10, 428541, B24B 700

Patent

active

044321724

ABSTRACT:
Timber support poles are given desired breaking properties to reduce the deceleration of a vehicle that collides with the pole by cutting one or more recesses in the pole, and filling the recesses with a polymeric filler composition.

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patent: 3623286 (1971-11-01), Parduhn
patent: 3628296 (1971-12-01), Henry
patent: 3837752 (1974-09-01), Shewchuk
patent: 3844863 (1974-10-01), Forsythe et al.
patent: 3972107 (1976-08-01), Deike
patent: 3987593 (1976-10-01), Svensson
patent: 4154037 (1979-05-01), Anderson
patent: 4196550 (1980-04-01), Svensson

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