Paper making and fiber liberation – Processes and products – Conditioning – preparing or repairing of apparatus
Patent
1975-09-15
1976-11-02
Bashore, S. Leon
Paper making and fiber liberation
Processes and products
Conditioning, preparing or repairing of apparatus
162273, 162274, 162304, D21F 902
Patent
active
039895874
ABSTRACT:
An elongated machine frame has a plurality of uprights which are spaced longitudinally of the frame and subdivide the same into individual sections each provided with a support structure. A first plurality of rollers is cantilevered on the support structures in these sections and an endless felt web is trained about and supported by these first rollers, extending over substantially the length of the machine frame. Each section has an endless upper screen located above the felt web and defining with the same a gap in which a ply formed upon the respective upper screen is laid onto the felt web. The upper screens are each supported by a plurality of second rollers which are also cantilevered on the respective support structures. Cut-outs are provided in the support structure to permit installation and removal of the felt web and the upper screen.
REFERENCES:
patent: 2799209 (1957-07-01), Wisner et al.
patent: 2950224 (1960-08-01), Balough
patent: 3025909 (1962-03-01), Hart
patent: 3900364 (1975-08-01), Nelson et al.
Bashore S. Leon
Fisher Richard V.
J. M. Voith GmbH
Striker Michael J.
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