Fuji Photo Film Company, Limited

Koyo Seiko Company, Ltd.

Masahiro Nishida

Tadao Toyama

Kenji Kunichika

Norio Hishiki

A desensitizing gum lithographic plate finisher comprises water-soluble starch modified with urea-phosphoric acid containing 0.01 to 3% by weight of bound phosphorus and having a viscosity determined on 20% by weight aqueous solution at 30.degree. C. ranging from 15 to 300 cps. The plate finisher can also be used as an aqueous phase of an emulsion type plate finisher. The finisher has high desensitizing ability and excellent low temperature storability and does not cause any reduction in the ink receptivity of image areas of lithographic printing plates.

Desensitizing gum lithographic plate finisher

A back-up roll in a rolling mill is provided with multiple cylindrical rollers fit circumferentially between a roll shaft of the back-up roll and an outer casing thereof, and a tapered roller bearing is provided between the roll shaft and outer casing and juxtaposed to said cylindrical rollers and which receives a thrust load acting on the cylindrical rollers. The tapered roller bearing is composed of an inner ring set to the outside of the roll shaft, an outer ring fixed to the inside of the outer casing and in contact with ends of the cylindrical rollers, and multiple tapered rollers fit between the inner and outer rings.

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Osaka, Japan

Masahiro Nishida