Paper making and fiber liberation – Processes and products – Plural fiber containing
Patent
1999-01-06
1999-11-23
Fortuna, Jose
Paper making and fiber liberation
Processes and products
Plural fiber containing
162146, 162152, 1621571, 188251A, 192107M, 4283179, 4283191, 428323, 428402, 428408, 428920, 428367, D21F 1100, F16D 6900
Patent
active
059893907
ABSTRACT:
A fibrous friction material in a sheet form having a top surface and a bottom surface with at least one surface containing a mixture of from about 10 to 65% cellulose fibers, about 5 to 50% carbon fibers, about 5 to 50% activated carbon, about 1 to 20% novoloid fibers, up to 65% diatomatious earth particles, and latex in an amount sufficient to increase the strength of the said sheet, with said percentages being based on the total weight of said sheet. The material is impregnated with a thermosetting resin prior to use.
REFERENCES:
patent: 4256801 (1981-03-01), Chuluda
patent: 4386168 (1983-05-01), Fujimaki et al.
patent: 4451590 (1984-05-01), Fujimaki et al.
patent: 5083650 (1992-01-01), Seiz et al.
patent: 5775468 (1998-07-01), Lam et al.
patent: 5837741 (1998-11-01), Schwarz et al.
Fortuna Jose
Knowlton Specialty Papers, Inc.
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