Process of and composition for covering the ends of metal rolls

Details Process of and composition for covering the ends of metal rolls Process of and composition for covering the ends of metal rolls

1975-07-25

1977-07-12

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

29123, 29132, 156192, 156244, 156194, 156293, 156215, 264267, 264269, 264268, 264294, B65H 8106

Patent

active

040352129

ABSTRACT:
Process of and composition for forming a hard, rubber-like covering on the ends of metal rolls utilized in the textile, paper or other industry including the following. A semi-liquid, elastomeric, polymeric, coating composition is provided having a viscosity sufficient to prevent sagging from the ends of the metal roll when applied thereto while being sufficiently liquid to dispense easily in a continuous stream and being cross-linkable to form a hard, rubber-like material. Cement is applied onto the ends of the metal roll and the semi-liquid coating composition is applied onto the cemented ends. The coating composition is cross-linked by heating to cure and solidify the semi-liquid composition to form a hard rubber-like coating on the ends of the metal roll. The semi-liquid coating composition includes a cross-linkable liquid elastomeric polymer, a porosity suppressant, an accelerator, a non-reinforcing pigment filler, a reinforcing mineral pigment, and a cross-linking agent, in specifically determined ranges of parts by weight. The composition may include a viscosifier for providing thixotropic properties to the composition.

REFERENCES:
patent: 2333800 (1943-11-01), Lewis et al.
patent: 2428252 (1947-09-01), Von Stroh
patent: 2582795 (1952-01-01), Prentiss et al.
patent: 3313764 (1967-04-01), Iino
patent: 3354243 (1967-11-01), Dodge
patent: 3726736 (1973-04-01), Wolfenden

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