Belt and method of marking

Details Belt and method of marking Belt and method of marking

2006-03-14

2006-03-14

Loney, Donald J. (Department: 1772)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

C428S187000, C474S264000, C474S268000

Reexamination Certificate

active

07011880

ABSTRACT:
A belt and method of marking a belt. A layer of polyethylene material is joined or cured to a belt. The layer is optically distinguishable from a belt body. The layer is etched to expose a portion of the belt body in order to contrast the layer with the belt body. A second layer of polyethylene material may be applied adjacent to the first layer. The second layer is optically distinguishable from the first layer. The first or second layer is etched using cutting, grinding or laser light in order to expose portions of the adjacent layer, or of the belt body, thus providing a method of permanently marking the belt.

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Grant and Hack's Chemical Dictionary, 5th edition, 1987, pp. 455 and 586.

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