Spreader roll or equivalent for fabric in paper machine and meth

Details Spreader roll or equivalent for fabric in paper machine and meth Spreader roll or equivalent for fabric in paper machine and meth

1987-02-12

1989-08-15

Echols, P. W.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291211, 29130, 29132, 295272, B21B 1302

Patent

active

048561592

ABSTRACT:
Spreader roll for a fabric in a paper machine, the spreader roll being supported at the middle of thereof and comprising an inner tube and an outer tube attached onto the inner tube through an intermediate part. The inner tube and the outer tube are substantially coaxial with one another when the roll is in an unbent state. Annular intermediate spaces are situated between the tubular parts at both sides of the intermediate part, the intermediate spaces being dimensioned so they permit deflection of the inner tube and the outer tube relative to one another when the fabric passing over the roll is being tensioned. Ends or end flanges are situated at the outer end of the inner tube, along with axle journals. The double mantle of the roll with the intermediate part thereof is composed of a piece of reinforced plastic made as a substantially single, unified piece, in which the outer tube and the inner tube are integrally connected through the intermediate portion, without joints. The double mantle of the spreader roll with the intermediate part thereof is made, e.g., of epoxy plastic reinforced with carbon fibre. Moreover, a method is provided for the manufacture of the spreader roll.

REFERENCES:
patent: 3520747 (1970-07-01), McGaughey
patent: 3593398 (1971-07-01), Hess et al.

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