H - Electricity – 01 – B
Patent
H - Electricity
01
B
26/108, 337/116
H01B 17/38 (2006.01)
Patent
CA 1133999
IN THE PATENT OFFICE APPLICATION ENTITLED "Method and device for anchoring rods of insulating material in attachment fitting" in the name of : Pierre VIENNOT ABSTRACT OF THE DISCLOSURE A method and device for anchoring rods of high tensile strength insulating material in metal attachment fittings are disclosed. The end of the rod which is previously split and traversed by a hole is inserted axially into the attachment fitting through an open end thereof. A fastening member is inserted into a blind hole extending across an internal cavity in the attachment fitting in line with the hole in the rod for spreading the rod end, the split end being brought into engagement with large wall portions of the inwardly flaring internal cavity of the attachment filling. A relatively high vacuum is applied to the internal cavity. The internal cavity is filled with a high strength, nonshrinking resin having a coefficient of expansion identical to that of the metal fitting through a channel in the fastening member. After polymerization the resin hardens on the rod to form a rigid block fast with the attachment fitting which pre- vents the rod from being pulled out of the attachment fitting. The protruding end of the fastening member is then severed level with the exterior of the attachment fitting.
352715
Gowling Lafleur Henderson Llp
Viennot Pierre
LandOfFree
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