F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
85/52
F16B 15/06 (2006.01)
Patent
CA 1040906
ABSTRACT A heavy duty staple especially suitable for heavy duty outdoor uses such as in securing ground wires to wooden utility poles, and made from material of generally square cross section having along corners of the staple prongs longitudinal series of coined V-shaped interlock notches defined by substantially triangularly arrow-shaped surfaces with their apecis at the prong corners. Resistance to withdrawal of the staple, from a wooden member into which driven, is increased by lateral bulging pro- jection of material coined from the notches.
250471
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