Method and apparatus for manufacturing cutting elements particul

Details Method and apparatus for manufacturing cutting elements particul Method and apparatus for manufacturing cutting elements particul

1983-12-29

1985-08-27

Parker, Roscoe V.

Metal tools and implements, making

Blank or process

Drill

76101R, 76DIG12, 419 8, 419 11, 419 49, 428553, B22F 708, B22F 314, B23P 500, B24D 310

Patent

active

045370974

ABSTRACT:
A base powder mixture consisting of diamond material and solid support is inserted into the recess of a mold block for the manufacture of cutting elements for, in particular, deep drill bits, the mold block is then externally hermetically enclosed and hot isostatically pressed. The base powder mixture is, first of all, inserted directly into the recess, the mold block is then enclosed as a whole in a capsule and placed in a high pressure furnace in which pressure is applied to the mold block by a liquid or gaseous pressure medium and, finally, after cooling and lowering of the pressure, the capsule is removed and the finished cutting elements are taken out of the recess.

REFERENCES:
patent: 2299207 (1942-10-01), Bevillard
patent: 3453719 (1969-07-01), Feenstra
patent: 3745623 (1973-07-01), Wentorf, Jr. et al.

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