Flexographic printing roll and means for assembling same

Details Flexographic printing roll and means for assembling same Flexographic printing roll and means for assembling same

1976-08-20

1978-05-16

Fisher, J. Reed

Printing

Printing members

Rolling contact

101382MV, 101378, B41F 2700

Patent

active

040892654

ABSTRACT:
A flexographic printing roll comprising a rigid base tube having perforations in the form of a plurality of small apertures and a circumferentially stretchable, elastomeric, seamless printing sleeve on said tube strained to grip the tube to retain the sleeve securely on the tube; in which there is provided means on the tube to aid the sliding of the sleeve on the tube. The said means may comprise a circumferential seal which can be pressurized to press on the sleeve and expand it. The said means may comprise an expandable metal segment seal. The said means may comprise a tapering sleeve through which means are provided for applying reducing pressures at points along the surface of the tapering sleeve.

REFERENCES:
patent: 2315729 (1943-04-01), Nunnally
patent: 2518834 (1950-08-01), Streckfus et al.
patent: 2721601 (1955-10-01), Spencer
patent: 2987994 (1961-06-01), Allison
patent: 3136672 (1964-06-01), Prongay
patent: 3146709 (1964-09-01), Bass et al.
patent: 3378902 (1968-04-01), Hoexter
patent: 3878775 (1975-04-01), Fish
patent: 3978254 (1976-08-01), Hoexter et al.

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