Patent ID: 6282783
Filing Date: 2001-09-04
Classification: H01B,Y10T

Abstract:
A method of assembling a composite electrical insulator, comprising the steps of:providing at least one metal end fitting having a sleeve portion defining a bore with a first diameter, d1;providing an insulator subassembly including a rod comprising an electrically insulating plastic material, and an insulator sheath covering at least a portion of the outer surface of said rod, an end portion of said sheath having a deformable circumferential ridge formed on the outer surface thereof, said circumferential ridge having a second diameter, d2, greater than said first diameter, d1;inserting said insulator subassembly into said bore of said metal end fitting with a spacer member interposed between said metal end fitting and at least said circumferential ridge, whereby said spacer member deforms said ridge to define a temporary vent for allowing air within said bore to escape; andremoving said spacer member.