Device for drying a continuous web

Details Device for drying a continuous web Device for drying a continuous web

1997-12-23

2000-01-11

Bennett, Henry

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

34125, F26B 1106, D21F 500

Patent

active

06012234&

ABSTRACT:
A machine for drying a continuous web is provided. At least one drying cylinder around which the web is dried is provided. The cylinder includes a sleeve which transfers heat from steam in the cylinder to an outer surface which contacts the web. The sleeve includes, on an inner periphery thereof, circumferential grooves separated from each another by ribs. At least one of the grooves has a width at its radial outer end which is wider than a width at its mouth at a radial inner end. At least one of the ribs has a width at its radial outer end which is smaller a width at its radial inner end.

REFERENCES:
patent: 3553849 (1971-01-01), Charrier et al.
patent: 3659349 (1972-05-01), Nykopp
patent: 3914875 (1975-10-01), Schiel
patent: 4100683 (1978-07-01), Barp et al.
patent: 4232455 (1980-11-01), Burton
patent: 4663864 (1987-05-01), Schiel
patent: 4781795 (1988-11-01), Miller
patent: 4880501 (1989-11-01), Schiel
patent: 4978428 (1990-12-01), Cronin et al.
Copy of a European Search Report dated Apr. 24, 1998 and Annex.
German Office Action dated Aug. 7, 1997, issued in connection with German Patent Application No. 196 54 345.2.

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