Lubrication – Systems
Reexamination Certificate
2011-06-21
2011-06-21
Siconolfi, Robert (Department: 3657)
Lubrication
Systems
C184S006110, C184S006210, C184S006240, C184S006180, C184S014000, C427S236000, C427S446000, C427S447000, C118S105000, C118S317000, C118S323000, C118S668000, C118S712000
Reexamination Certificate
active
07963371
ABSTRACT:
Methods and apparatus for applying a uniform application of an appropriate quantity of lubricant to the internal threads of a pipe. In general, the apparatus includes a high pressure supply of lubricant and a high speed, rotating centrifugal applicator for evenly applying the lubricant to internal threads. The system also includes a dosing system to regulate the distribution of lubricant by dispensing a consistent volume of lubricant at each application. Potential advantages of the embodiments include the repeatability and consistency of amount of lubricant on pipe threads (e.g. thickness).
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Aung San
Conley & Rose, P.C.
National Oilwell Varco L.P.
Siconolfi Robert
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