Process of producing tension-proof, impermeable, flexible bands,

Details Process of producing tension-proof, impermeable, flexible bands, Process of producing tension-proof, impermeable, flexible bands,

1988-02-08

1989-08-22

Cashion, Jr., Merrell C.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

156 74, 156242, 156245, 156246, 1563073, 1563077, 264310, 264312, 427240, B28B 120

Patent

active

048593966

ABSTRACT:
The production of tension-proof, liquid impermeable, flexible bands which are preferably utilized for presses to dewater fiber material webs and are subjected therein to substantial tensile stresses between a press-shoe and a press-roll as the same glide across the press-shoe which is effected by means of penetration of a flowable mixture of a prepolymer with a cross linking agent onto the reinforcing band, preferably formed of fabric and receiving the tension forces in a direction longitudinally of the press band. Penetration most effectively occurs through covering the fabric band by pouring thereover of the flowable mixture as the band is in stretched condition and is moved.

REFERENCES:
patent: 3261335 (1973-09-01), Cichoski
patent: 3803281 (1974-04-01), Fix
patent: 3999507 (1976-12-01), Voermans
patent: 4372800 (1983-02-01), O/umi

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