Threaded component for seizure-resistant tubular threaded joint

Details Threaded component for seizure-resistant tubular threaded joint Threaded component for seizure-resistant tubular threaded joint

2005-08-23

2005-08-23

Wood, Elizabeth D. (Department: 1755)

Solid anti-friction devices, materials therefor, lubricant or se

Lubricants or separants for moving solid surfaces and...

Organic oxidate of indeterminate composition

C508S312000, C508S319000, C508S391000, C508S589000, C285S094000, C285S333000, C285S355000

Reexamination Certificate

active

06933264

ABSTRACT:
The invention concerns a threaded component for a seizure-resistant tubular threaded joint wherein a lubricating substance is deposited in a thin film on at least the surface of the threads of the threading, said surface being treated to adsorb said lubricating substance. The lubricating substance consists of a homogeneous mixture of a) a thickening agent; b) a set of extreme-pressure additives physically and chemically compatible with the thickening agent and comprising at least an extreme-pressure additive with chemical action called chemical EP additive and capable of being used at Hertz pressures not less than 1000 Mpa's; c) an oil. The proportions of the constituents of the lubricating substance are selected such that said lubricating substance has a consistency capable of ensuring a self-induced and film-forming lubricating process. The invention also concerns a method for producing the thin film.

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