Patent ID: 9447659
Filing Date: 2016-09-20
CPC Classification: B08B,E21B,F16K,F16N,Y10T

Claim Text:
1. A method for unseizing and/or lubricating a valve of a type having a handle, a greasing zert and a valve stem, said valve stem having an interface surface between a stationary portion of said valve stem and a rotatable portion of said valve stem, said method comprising the steps of: (i) removing the handle of said valve from said valve; (ii) placing a hollow tubular member, having at one end an open, hollow, flexible member, in sealing engagement over a portion of an outer periphery of said valve stem, said greasing zert, and said interface surface, so that said interface surface and said greasing zert are sealed within an interior of said hollow tubular member; (iii) providing a rust removal and/or penetrating fluid to an interior of said hollow tubular member and causing said fluid to surround said greasing zert and said interface surface; (iv) providing said fluid under pressure to said interior of said tubular member and causing said fluid to enter said greasing zert and/or said interface surface and thereby flow into an interior of said valve; (v) removing the tubular member from sealing engagement with said valve stem, re-attaching the handle to the valve, and rotating the handle to unseize the valve; and (vi) providing, under pressure, a lubricating medium to said interior of said tubular member and causing said lubricating medium to flow into said greasing zert and/or said interface surface.