Printing – Special article machines – Rotary
Patent
1977-05-09
1978-08-29
Crowder, Clifford D.
Printing
Special article machines
Rotary
118236, 198625, 214 1BV, B41F 1700
Patent
active
041095723
ABSTRACT:
A machine for printing both sides of flat articles such as phonographic records, comprises a feeding station including an inclined belt conveyor on which the records to be printed are piled, an oscillating arm with a pneumatic cup to withdraw at each time the last lowermost article of the pile, while the latter is retained, a screw conveyor formed of parallel screws on which the articles are successively laid by the oscillating arm, the edge of the said articles being retained between two successive turns of the screws, a first printing station disposed above the screw conveyor, first means to raise successively each article from the screw conveyor to the first printing station and to thereafter return it onto the screw conveyor, and a second printing station disposed downstream of the first one, also above the screw conveyor, and second means to raise and lower the articles towards and from the said second printing station.
REFERENCES:
patent: 1342189 (1920-06-01), Stowe
patent: 1682431 (1928-08-01), Smith
patent: 2351552 (1944-06-01), Shurley
patent: 2604200 (1952-07-01), Hohl et al.
patent: 2854125 (1958-09-01), Johnson
patent: 3251298 (1966-05-01), Rudolph et al.
patent: 3507382 (1970-04-01), Wells
patent: 3529544 (1970-09-01), Oki
patent: 3673953 (1972-07-01), Massari
patent: 3735697 (1973-05-01), Provan
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