Coating apparatus – With cutting – punching or tearing of work – Web or sheet work
Patent
1978-11-15
1980-07-15
Brown, J. Travis
Coating apparatus
With cutting, punching or tearing of work
Web or sheet work
118 45, 118 62, 118224, 118236, 83405, 83417, 270 52, 271 4, 271 5, 271 6, 271278, 198438, 198442, 430168, 430270, B05C 1100
Patent
active
042122635
ABSTRACT:
The printing plate processing machine includes a first conveyor for receiving printing plates and a second conveyor for receiving plate-separating sheets, and a feed mechanism for selectively transporting the plates and sheets from a loading station in which the plates and sheets are alternately disposed in a stack, toward the first and second conveyors. A plate and sheet diverting mechanism is located between the first and second conveyors for alternately delivering the plates to the first conveyor and the sheets to the second conveyor. The plates are processed after disposition on the first conveyor. A collecting station received the plates and sheets from the first and second conveyors alternately in a stack after processing of the plates. The feed-mechanism includes a fluid-operated cylinder and ram, the ram being movable selectively between an extended position and a retracted position. An operating mechanism places a gripping mechanism, carried on the ram, into gripping engagement with the plates and sheets when the ram is in one of the positions, the gripping mechanism transporting the plates and sheets toward the first and second conveyors as the ram moves toward the other position. The diverting mechanism includes a passage having an entrance between the loading station and the first conveyor, and having an exit communicating with the second conveyor. A baffle is rotatively mounted at the passage entrance, the baffle being selectively located in one position to effectively close the passage entrance and direct plates on to the first conveyor, and selectively located in another position to effectively open the passage entrance for movement of the sheets through the passage entrance and on to the second conveyor. A blower is located above the passage entrance and the baffle for discharging an air stream against the sheets and the baffle to move the baffle to its other position to effectively open the passage entrance and for urging the sheets through the passage entrance and passage, and on to the second conveyor.
REFERENCES:
patent: 2814398 (1957-11-01), Coleman et al.
patent: 2967054 (1961-01-01), Glucksman
patent: 3288462 (1966-11-01), Liva
patent: 3504910 (1970-04-01), Spyropoulos
patent: 3676978 (1972-07-01), Gottweis et al.
patent: 3742903 (1973-07-01), Wheaton
patent: 4005652 (1977-02-01), Petry
Photoresist, DeForest, McGraw-Hill, N.Y., 1975, pp. 220-221.
Brown J. Travis
Tasope' Limited
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