Abrasion resistant filament wear guides and method of making sam

Details Abrasion resistant filament wear guides and method of making sam Abrasion resistant filament wear guides and method of making sam

1975-08-13

1977-12-13

Schacher, Richard A.

Advancing material of indeterminate length

Passive guide

242 76, 242157R, 427377, B65H 2304

Patent

active

040624846

ABSTRACT:
Filament wear guides which are characterized by excellent resistance to abrasive filament wear. Also, the method of their fabrication. A chromium surface on a substrate is controllably nitrided. Such nitriding is accomplished thermally. Resulting chromium nitride surface layer is non-particulate and substantially impervious.

REFERENCES:
patent: 3642517 (1972-02-01), Faber
patent: 3787229 (1974-01-01), Rudness

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