Pressure roller

Details Pressure roller Pressure roller

1995-03-20

1997-09-02

Cuda, Irene

Roll or roller

Concentric layered annulus

Specific composition

492 54, 100176, 100168, B23P 1500

Patent

active

056625740

ABSTRACT:
A resilient pressure roller of the large type that is of unitary construction with a rigid core, a central body of rubber or synthetic rubber of one durometer and a thin outer shell of another durometer. The body is given a nonlinear longitudinal profile and the shell is given a profile different from that of the body. The differences in profiles of the body and shell, along with their different durometers sum to develop approximately uniform nip profiles along the nip so as to minimize hysteresis heating and degradation in the roller and thereby provide a roller of greatly extended life expectancy.

REFERENCES:
patent: 5195430 (1993-03-01), Rise
patent: 5253027 (1993-10-01), Goto
patent: 5257967 (1993-11-01), Gysin
patent: 5415612 (1995-05-01), Carlson et al.
patent: 5471285 (1995-11-01), Nagase et al.
patent: 5474821 (1995-12-01), Kass

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