B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
154/53.12
B29D 99/00 (2010.01) B32B 25/10 (2006.01) D06B 23/02 (2006.01) D06F 67/02 (2006.01) D21F 3/08 (2006.01) F16C 13/00 (2006.01)
Patent
CA 1157757
ABSTRACT OF THE DISCLOSURE A roll comprising a metallic roll core having a roughened surface, a fibrous reinforcing layer impregnated with a thermosetting resin and surrounding the roll core, wherein the reinforcing layer comprises: at least one layer formed by a non- woven fabric impregnated with a mixture of the thermosetting resin and a finely powdered inorganic material; and an elastomeric material layer surrounding the nonwoven fabric layer and united integrally therewith. The roll can be further improved by wind- ing a layer of an inorganic fiber cloth tape about the roll core and winding a layer of an inorganic roving about the inorganic fiber cloth tape. Both the inorganic fiber cloth tape and roving are impregnated with a thermosetting resin or a mixture of a thermosetting resin with a finely powdered inorganic material. A process for producing the rolls described above is also disclosed. These rolls have greater durability than conventional rolls and find a wide industrial application.
356951
G. Ronald Bell & Associates
Yamauchi Rubber Industry Co. Ltd.
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