Rod for a coating device, and process for producing the same

Details Rod for a coating device, and process for producing the same Rod for a coating device, and process for producing the same

2005-09-20

2005-09-20

Edwards, Laura (Department: 1734)

Coating apparatus

Solid member or material acting on coating after application

Rotary member

C118S118000, C118S119000, C118S126000, C118S203000, C118S261000

Reexamination Certificate

active

06946031

ABSTRACT:
A rod for a coating device, used when a continuously-running body is coated with a coating solution, includes: a columnar base material; and an abrasion-resistant coating formed on a circumferential surface of the base material. When a friction coefficient between the coating and the body is represented by μ, a Vickers hardness of the coating is represented by Hv, a thermal expansion coefficient of the base material is represented by α1×10−6/° C., a thermal expansion coefficient of the coating is represented by α2×10−6/° C., and a film thickness of the coating is represented by t μm, μ and Hv satisfy a predetermined relational expression, and/or α1, α2and t satisfy another predetermined relational expression. Specifically, Hv>1500×μ2+1200 and/or |α1−α2|<3/(t−4)+7. The invention provides a process for producing a rod, for a coating device, on which an abrasion-resistant coating is formed on a base material to have a uniform thickness.

REFERENCES:
patent: 5595601 (1997-01-01), Lintula
patent: 6200248 (2001-03-01), Vestola et al.
patent: 6413314 (2002-07-01), Ruckert et al.
patent: 61-129205 (1986-06-01), None

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