Self-sharpening, auto-signalling wearing part

Details Self-sharpening, auto-signalling wearing part Self-sharpening, auto-signalling wearing part

2011-04-26

2011-04-26

Pezzuto, Robert E (Department: 3671)

Excavating

Digging edge

Tooth or adaptor

C037S460000

Reexamination Certificate

active

07930844

ABSTRACT:
Self-sharpening wearing part having improved abrasion resistance and strength, which wearing part comprises at least a first and a second material part. The first material part is constituted by a casting body and the second material part is comprised of at least one elongated hard metal rod which is fixed in the first material part. The wearing part produces an auto-signal when the part must be changed due to wear.

REFERENCES:
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patent: 5778572 (1998-07-01), Lukavich et al.
patent: 5785109 (1998-07-01), Hongawa
patent: 6571493 (2003-06-01), Amano et al.
patent: 6757995 (2004-07-01), Pippins
patent: 652524 (1994-08-01), None
patent: 1211136 (1986-09-01), None

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