Composite drill bit using adhesive bond

Details Composite drill bit using adhesive bond Composite drill bit using adhesive bond

1998-01-28

1999-07-27

Bishop, Steven C.

Cutting by use of rotating axially moving tool

Tool or tool with support

Including detailed shank

761086, 156294, 427242, B23B 5102, B32B 106

Patent

active

059279125

ABSTRACT:
A composite drill bit comprising a shank member having a bore disposed therein and an insert which is disposed within the bore such that a portion of the insert protrudes from the shank member. The insert is rigidly secured within the bore of the shank member through the use of an ambient cure adhesive.

REFERENCES:
patent: 3751176 (1973-08-01), Von Hollen
patent: 3850054 (1974-11-01), Weissman
patent: 5048375 (1991-09-01), Kobayashi
patent: 5116172 (1992-05-01), Koster
patent: 5338569 (1994-08-01), Hatch

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