Paper making and fiber liberation – Processes and products – Conditioning – preparing or repairing of apparatus
Patent
1974-12-23
1976-06-29
Bashore, S. Leon
Paper making and fiber liberation
Processes and products
Conditioning, preparing or repairing of apparatus
162275, 239562, D21F 142
Patent
active
039665445
ABSTRACT:
This invention relates to a method and apparatus for guiding endless woven fabric belts such as are used on paper making machines. Specifically, the instant application teaches the use of a guide shower, which is disposed across the width of the endless belt, to provide the guiding action. The shower comprises a series of nozzles which are adapted to be directed at one edge or the other of the endless belt. Three separate embodiments are disclosed. In one of the embodiments, the shower pipe connecting the nozzles is divided into a left side and a right side. The nozzles on the left side are all directed at the left edge of the endless belt whereas the nozzles on the right side are directed at the right edge of the endless belt. In a second embodiment, two parallel shower pipes are disclosed, the nozzles of one of the shower pipes all being directed at the left edge of the endless belt, the nozzles of the other pipe all being directed at the right edge of the endless belt. In a third embodiment, a series of swivelling nozzles are mounted on the shower pipe. The direction of the nozzles is adjusted in response to signals from a sensing device so that all of the nozzles on the pipe are pivoted towards one or the other of the edges of the endless belt.
REFERENCES:
patent: 1989435 (1935-01-01), Wallquist
patent: 3574338 (1971-04-01), Shelor
patent: 3826431 (1974-07-01), Telge et al.
patent: 3830691 (1974-08-01), Truesdale et al.
Bashore S. Leon
Fisher Richard V.
JWI Ltd.
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