B - Operations – Transporting – 41 – F
Patent
B - Operations, Transporting
41
F
101/105
B41F 31/08 (2006.01) B41F 31/02 (2006.01)
Patent
CA 2013313
GPT 010 P2 ABSTRACT OF THE DISCLOSURE A feeder for expelling printing ink from an ink can or container directly into an ink fountain of a printing press comprising a housing having a section for receiving an ink can in a centered location, a bottom opening through which ink can be expelled from the can, and a top section in which a double acting pneumatic cylinder is supported over the ink can, The cylinder has a ram carrying an expeller plate for pushing printing ink from an ink can supported below the ram. A disc seal member is interposed between the plate and the surface of ink in the can, and forms a seal with the inner diameter of the can. This seal can remain in a partially empty can to protect the ink surface. An electrical circuit controls the operation of the 15 feeder, and is contained in the housing. The control includes a switch having position for manual advancement and retraction of the expeller plate, and a position for automatic operation of the feeder. In the automatic mode, a timer controls the energizing and de-energizing of a control relay to activate the pneumatic cylinder and extend the ram in incremental fashion to push ink out of the ink can. The duration and frequency of expeller plate advancement can be varied to adjust the amount of ink expelled in a given period of press operating time.
Fidler Kenneth
Gowling Lafleur Henderson Llp
Varn Products Company Inc.
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