Tool joint
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 26, 2002
Grant Date -
Nov 15, 2001
app pub date -
Apr 13, 2001
filing date -
May 9, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A tool joint comprising a male member a female member. The male member having a coupling portion rearwardly from a body portion. The coupling portion having a frustoconical forward portion and a threaded rear portion. The thread having an intermediate section of uniform depth and terminating in forward and rear end parts. The female member having a bore extending rearwardly from a front surface. The bore having a frustoconical forward portion and a threaded rear portion. The thread having an intermediate section of uniform depth and terminating in forward and rear end parts. Upon threaded coupling of the male and female members to form a tool joint connection, the threaded portion of the male member engages the threaded portion of the female member.
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