Polyolefin fiber roll

Details Polyolefin fiber roll Polyolefin fiber roll

1986-09-10

1987-06-02

Rosenbaum, Mark

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29130, 29132, 291484D, B21B 3108, B60B 704

Patent

active

046691634

ABSTRACT:
Acid- and caustic- resistant rolls are prepared by forming a nonwoven web of randomly laid entangled polyolefin fibers, stacking a multiplicity of segments of the web into a pile, compacting the pile under a compaction force equivalent to a room temperature compaction force of about 20.times.10.sup.5 to 55.times.10.sup.5 Pa, restraining the pile on its compacted configuration, and, if needed, dressing the sides of the compacted pile to form a smooth cylindrical surface. The preferred polyolefin fibers are formed of polyethylene, polypropylene or polybutylene.

REFERENCES:
patent: 2186679 (1940-01-01), Lade
patent: 2801461 (1957-08-01), Kusters
patent: 3853677 (1974-12-01), Kai
patent: 4283821 (1981-08-01), Paakkunainen
L. W. Legacy "Recent Advances in Wringer Roll Technology" in Iron and Steel Engineer vol. 60, No. 4, Apr., 1983, pp. 42-44.
Wente, Van A., "Superfine Thermoplastic Fibers", Industrial Engineering Chemistry, vol. 48, pp. 1342 et seq (1956).
Report Number 4364 of the Naval Research Laboratories, published May 25, 1954 entitled "Manufacture of Superfine Organic Fibers" by Wente, V. A., Boone, C. D. and Flugharty, E. L.

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