Glass board for copying machines and method of producing same

Details Glass board for copying machines and method of producing same Glass board for copying machines and method of producing same

1988-03-18

1989-09-26

Robinson, Ellis P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428333, 428410, 428426, 428428, 428432, 428446, 428450, 428702, 428220, 428447, 428429, 427167, 427387, B32B 900, B32B 1706

Patent

active

048699489

ABSTRACT:
The invention relates to a transparent glass board for use in document copying machines as the copying glass on which each sheet of original documents is placed and, in the case of copying machines of automatic document feed type, is forced to slide. To ensure good copying and smooth sliding carriage of original paper sheets, a transparent antistatic coating layer using tin oxide and/or indium oxide is formed on one or each of the top and back surfaces of a transparent glass, and a transparent lubricative coating layer using an organic silicon compound having isocyanate groups attached to Si atom is formed on the top side of the glass plate so as to provide a top surface with which each sheet of documents comes into contact. The antistatic layer has a thickness of 300-1500 .ANG. and the lubricative layer has a thickness of 300-2000 .ANG..

REFERENCES:
patent: 3420693 (1969-01-01), Scholes et al.
patent: 4006070 (1977-02-01), King et al.
patent: 4272587 (1981-06-01), Santiago
patent: 4431692 (1984-02-01), Hofmann et al.
patent: 4765729 (1988-08-01), Taniguchi

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