Paper making and fiber liberation – Processes and products – Conditioning – preparing or repairing of apparatus
Patent
1978-08-09
1980-03-18
Fisher, Richard V.
Paper making and fiber liberation
Processes and products
Conditioning, preparing or repairing of apparatus
8159, 15302, 68 3SS, 134 1, 134 10, 134 15, 134 21, 134 56R, 134110, 134122R, 134184, B08B 312
Patent
active
041938429
ABSTRACT:
A method and apparatus for cleaning a paper making felt continuously during the paper making process, and wherein the moving felt is passed through a cleaning bath, and ultrasonic vibrations are applied substantially uniformly across the entire width of the felt while the felt is immersed in the bath, to thereby achieve uniform cleaning of the felt and thus uniformity in the paper produced on the machine. A circulation system for the bath is provided for continuously separating the dislodged fibrous residue therefrom, while retaining the chemicals and heat, and the apparatus includes provision for readily replacing the felt.
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patent: 2699592 (1955-01-01), Newnam
patent: 2800682 (1957-07-01), Dooley
patent: 3158886 (1964-12-01), Grimes
patent: 3190793 (1965-06-01), Starke
patent: 3240963 (1966-03-01), Sasaki
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patent: 3650892 (1972-03-01), Genz et al.
patent: 3688527 (1972-09-01), Blustain
patent: 3712085 (1973-01-01), Guberman et al.
patent: 3829328 (1974-08-01), Blustain
Paper Trade Journal, Jan. 15, 1977; Cover p. and pp. 24-26.
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