G - Physics – 01 – N
Patent
G - Physics
01
N
73/45
G01N 3/00 (2006.01) G01N 33/46 (2006.01)
Patent
CA 1111672
APPARATUS FOR TESTING HARDNESS OF WOODEN POLES Abstract of the Disclosure A method and apparatus for testing the hardness of wooden telephone and powerline poles to determine whether they are safe for climbing by linemen. A gaff is wedged into the side of the pole a preselected distance under hydraulic pressure. The maximum applied pressure is a measure of the hardness of the wood which correlates well with the results obtained during subjective tests by linemen. - i -
341272
Mowle John E.
Northern Telecom Limited
LandOfFree
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