Hard metal or hard material tipped drilling, chipping and cuttin

Details Hard metal or hard material tipped drilling, chipping and cuttin Hard metal or hard material tipped drilling, chipping and cuttin

1991-11-15

1992-12-22

Britts, Ramon S.

Boring or penetrating the earth

Bit or bit element

Specific or diverse material

228124, 228 563, E21B 1046

Patent

active

051727803

ABSTRACT:
Precipitation hardenable solders are used for securing hard metal or hard material parts to the support member of a tool for drilling, chipping or cutting rock or hard construction materials. The support member is formed of steel. The hard metal or hard material parts are secured to the support member by soldering using a precipitation hardenable solder. The parts secured to the support member are subjected after a solution treatment to the tempering and precipitation hardening temperature.

REFERENCES:
patent: 3986255 (1976-10-01), Mandal
patent: 4117968 (1978-10-01), Naidich et al.
patent: 4518662 (1985-05-01), Listemann et al.
patent: 4854495 (1989-08-01), Yamamoto et al.
patent: 4907665 (1990-03-01), Kar et al.

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