Multi-material ripper tip

Details Multi-material ripper tip Multi-material ripper tip

1973-12-17

1976-01-20

Eickholt, E. H.

Excavating

Ditch filler

175374, 175410, 172747, E02F 928

Patent

active

039329526

ABSTRACT:
A multi-material earthworking ripper tip having a leading nose portion comprised of a material having greater wear resistance and strength at elevated temperatures than the material which comprises the rearward shank supporting portion of the tip. In one embodiment, a bi-metallic nose portion is inertial welded to the shank support portion of the tip. In another embodiment powdered tungsten carbide is sintered in situ within a hollow bore of a steel nose portion. Alternately, a solid core of tungsten carbide could be soldered, brazed or press fitted within said hollow bore.

REFERENCES:
patent: 215840 (1879-05-01), Taverdon
patent: 645617 (1900-03-01), Boxley
patent: 2474643 (1949-06-01), Webb
patent: 3080009 (1963-03-01), Baker
patent: 3356418 (1967-12-01), Healey et al.
patent: 3529677 (1970-09-01), Stephenson
patent: 3599737 (1971-08-01), Fischer
patent: 3693736 (1972-09-01), Gardner
patent: 3737199 (1973-06-01), Stephenson
patent: 3768147 (1973-10-01), Berry et al.
patent: 3805423 (1974-04-01), Engel
"Brazing Manual" American Welding Society pp. 232-236; 1963.

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