Hardening fixture

Metallurgical apparatus – Means for holding or supporting work

Reexamination Certificate

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Details

C432S261000

Reexamination Certificate

active

07060221

ABSTRACT:
Hardening fixture for simultaneous hardening of a multitude of sawblades, comprising a bottom plate against which the lower ends of the sawblades are supported, vertical pillars and side plates with lateral openings, where guiding strips and distance elements keep the sawblades parallel close to each other without compressive force, where the structural parts are made from graphite with a surface coating not containing carbon.

REFERENCES:
patent: 1233193 (1917-07-01), Cook
patent: 1600266 (1926-09-01), Armstrong
patent: 2039927 (1936-05-01), Poglein
patent: 2954222 (1960-09-01), Evans
patent: 6210500 (2001-04-01), Zurfluh
patent: 31 24 252 (1983-03-01), None
patent: 34 08 944 (1985-09-01), None
patent: 297 21 475 (1998-04-01), None
patent: 196 51 408 (1998-06-01), None
patent: 0 213 333 (1987-03-01), None

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