<p>A cross arm is provided, for use in a support structure for conductors within an electrical grid. The cross arm is made of weather resistant glass fibre reinforced two component polyurethane based polymers and has a "C" cross sectional shape typically arranged in a double configuration. Pairs of the cross arms are attached to utility poles in a parallel position on opposite sides of the utility pole to meet predefined design conditions. Alternatively, a single cross arm may be attached to a utility pole.</p>
申请公布号
WO2012027818(A1)
申请公布日期
2012.03.08
申请号
WO2010CA01361
申请日期
2010.08.31
申请人
LOCKHART, GRANT ROBERT;TOTH , JANOS CSABA;ULM, RALPH WALTER;GILPIN-JACKSON , ADELANA
发明人
LOCKHART, GRANT ROBERT;TOTH , JANOS CSABA;ULM, RALPH WALTER;GILPIN-JACKSON , ADELANA