04350215 is referenced by 73 patents and cites 11 patents.

A drag drill bit includes a plurality of cutter assemblies comprising synthetic polycrystalline diamonds which are held by brazing material within dimensionally controlled pockets formed in the drill bit matrix. The method of manufacturing the bit includes forming the drill bit head by powder metallurgy with a plurality of dimensionally controlled pockets, placing brazing material in communication with each pocket, locating and fixturing a cutter assembly within each pocket by force-fit and brazing the cutter assemblies to the bit head by a furnace cycle.

Title
Drill bit and method of manufacture
Application Number
943313
Publication Number
4350215
Application Date
September 22, 1980
Publication Date
September 21, 1982
Inventor
Robert P Radtke
Kingwood
TX, US
Assignee
NL
NY, US
IPC
E21B 10/58
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