Internal thread-producing tool and method

Details Internal thread-producing tool and method Internal thread-producing tool and method

1998-04-13

1999-11-30

Howell, Daniel W.

Cutting by use of rotating axially moving tool

With means to apply transient, fluent medium to work or product

Including tool with duct

408222, 470198, B23B 5106, B23G 506

Patent

active

059931205

ABSTRACT:
A thread-producing tool for producing an internal thread includes a body forming a rear shank portion and a front cutting portion. Provided in the body is a lubricant storage chamber for storing liquid lubricant which is driven toward the cutting portion through discharge passages under the action of centrifugal force during a thread-cutting operation.

REFERENCES:
patent: 83371 (1868-10-01), Foster
patent: 3153885 (1964-10-01), Keller et al.
patent: 4462727 (1984-07-01), Marburger
patent: 4762444 (1988-08-01), Mena
patent: 5487626 (1996-01-01), Von Holst et al.

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