Universal web turning system, particularly for printed webs deri

Details Universal web turning system, particularly for printed webs deri Universal web turning system, particularly for printed webs deri

1991-04-08

1992-04-28

Stodola, Daniel P.

Advancing material of indeterminate length

By orbitally traveling material-engaging surface

Including details of roll or mount

226 15, 226189, 226190, 226194, 34152, B65H 2332, B65H 23032, B65H 23035

Patent

active

051080222

ABSTRACT:
To supply an arriving and delivered portion of a traveling web (1, 21, 31, 41, 81, 91, 101) to have the same side-orientation as the delivered portion, the web is passed about a first turning bar (2), then looped about a first deflection roller (3), and spanning the arriving portion of the web, about a second deflection roller (4) to be then turned again, selectively, by a second turning bar (5). Other web paths are possible, omitting the second deflection roller (4). Rather than using a single second deflection roller, smaller roller elements (FIG. 11: 16, 17) can be used, the second deflection roller, or the elements having effective diameters which are larger than the diameter of the first deflection roller. The turning bars and the deflection rollers are retained in an essentially rectangular frame, with the position of the turning bars adjustable along the sides of the frame and the position of the deflection rollers, likewise, preferably being longitudinally adjustable along the sides of the frame as well as height-adjustable perpendicular to the plane of the web traveling between the respective turning bars and deflection rollers.

REFERENCES:
patent: 978234 (1910-12-01), Taylor
patent: 1432832 (1922-10-01), Brookett
patent: 2005517 (1935-06-01), Cluett
patent: 2136278 (1938-11-01), Dean
patent: 2284318 (1942-05-01), Hamlin
patent: 2733061 (1931-06-01), Crafts
patent: 2760773 (1956-08-01), Brodie
patent: 3434639 (1969-03-01), Cowles
patent: 3763520 (1973-10-01), Izawa et al.
patent: 4816844 (1989-03-01), Uchida et al.

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