Tud rethreading and cleaning device

Details Tud rethreading and cleaning device Tud rethreading and cleaning device

1983-04-27

1986-08-19

Weidenfeld, Gil

Cutting by use of rotating axially moving tool

Tool or tool with support

With pitch-stabilizing ridge

10 1B, 10123R, 408221, 408239R, B23G 504

Patent

active

046066810

ABSTRACT:
A device for rethreading and cleaning threaded pipe studs having an elongated casing having an outside surface provided with flat portions for attaching to a torquing means, which casing is provided with a straight channel therethrough shaped to allow passage of the pipe stud with at least a portion of the channel sidewalls having an inside diameter slightly larger than the outside diameter of the pipe studs, and having multiple threading dies attached to the channel sidewalls at one open end with the teeth protruding perpendicularly from the channel sidewalls, wherein the teeth on each threading die projects consecutively shallower into the channel as they progress from the open end.

REFERENCES:
patent: 1950704 (1934-03-01), Thomson
patent: 2242954 (1941-05-01), Ingwer
patent: 2517062 (1950-08-01), Vosper
patent: 2855613 (1958-10-01), Kostka
patent: 3031669 (1962-05-01), Fleury
patent: 4095917 (1978-06-01), Wesner
patent: 4180144 (1979-12-01), Adams
patent: 4201503 (1980-05-01), Nannen
patent: 4408363 (1983-10-01), Doree
patent: 4414701 (1983-11-01), Johnson

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