Roller apparatus

Details Roller apparatus Roller apparatus

1993-06-22

1996-11-05

Bennett, Henry A.

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

34111, 34128, 34626, 156207, 15624427, 156555, D06F 5800

Patent

active

055712231

ABSTRACT:
A roller apparatus (23) for use in the drying section of an apparatus for producing corrugated board comprises a tubular body operative to be received over a metal roller. The wall of the tubular body comprises an inner layer (24) of relatively hard polyurethane and an outer layer (25) of a deformable polyurethane. A spiral winding of yarn (26) is wrapped around the inner layer (24).

REFERENCES:
patent: 1504218 (1924-08-01), Crowell
patent: 2219065 (1940-10-01), Bruker et al.
patent: 2679572 (1954-05-01), Workman
patent: 3401439 (1968-09-01), Staats et al.
patent: 3804688 (1974-04-01), Hillenbrand et al.
patent: 4639292 (1987-01-01), Ota et al.
patent: 4887340 (1989-12-01), Kato
patent: 5121560 (1992-06-01), Daane et al.

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