F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
F16J 15/54 (2006.01) D04C 1/06 (2006.01) F16J 15/22 (2006.01)
Patent
CA 2102564
A system for reducing packing ring spin and opening up of the joints formed by the ends of a packing ring during break-in of trapezoidally-shaped mechanical braided packing involves utilization of additional warp yarns within the sides of the packing. These additional warp yarns bulge the packing at the sides of the packing above its horizontal centerline such that the outer portion of the packing is provided with a solid rectangular cross section. The solid section increases frictional contact between the rings and the stuffing box and between the rings themselves to eliminate packing ring spin. When the packing is wrapped around a shaft the bulging sides become flat for secure elongated anti-spin contact both between the packing rings and between the end ring and the bottom of the stuffing box. The utilization of the anti-spin configuration eliminates packing ring spin and the opening up of the joints formed by the ends of the packing rings during break-in, regardless of operator error in the installation of the packing rings.
Macrae & Co.
Seal Company Of New England Inc.
LandOfFree
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