End dam seal for blade type fountain coaters

Details End dam seal for blade type fountain coaters End dam seal for blade type fountain coaters

B - Operations, Transporting

05

C

32/73

B05C 3/18 (2006.01) B05C 5/02 (2006.01) B05C 11/04 (2006.01) B05C 11/10 (2006.01)

Patent

CA 1184375

ABSTRACT OF THE DISCLOSURE An end dam sealing means for at least one end of a coating application chamber defined in part by a doctor blade and backing surface means such as a roll on which a web to be coated travels continuously, is adapted for engaging sealingly with a chamber surface area, the doctor blade and the backing surface means roll, and the sealing means has a device for draining coating material that may migrate from the application chamber between the sealing means and the backing surface means roll. Static seal is provided for the contiguous end of a pres- sure drop chamber and a slit orifice which communicate with the coating application chamber.

416094

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