Advancing material of indeterminate length – By fluid current – And web storage
Patent
1988-08-16
1990-07-03
Levy, Stuart S.
Advancing material of indeterminate length
By fluid current
And web storage
226 7, B65H 2014
Patent
active
049384066
ABSTRACT:
In a floating type web conveying device, an air jetting box comprises an air jetting surface in which lines of air jetting holes are formed in such a manner that the lines are extended in the widthwise direction of the web and the sum of the areas of the air jetting holes range from 1% to 3% of the area of the air jetting surface, so that the web is substantially free from the difficulty that it is brought into the contact with the air jetting box.
REFERENCES:
patent: 3957187 (1976-05-01), Puigrodon
patent: 3984039 (1976-10-01), Hawley et al.
patent: 4142661 (1979-03-01), Nettles et al.
patent: 4394950 (1983-07-01), Kramer
patent: 4718178 (1988-01-01), Whipple
Fukuhara Sanshiro
Kawarada Masayuki
Nakashima Hiroshi
Okutsu Kiyoshi
Bowen Paul T.
Fuji Photo Film Co. , Ltd.
Levy Stuart S.
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