Contact coating by use of a manifold provided with capillary tubes

摘要

A coating apparatus and method of use wherein at least one capillary tube is in contact with a moving substrate during coating.

主权项

1. A coating apparatus for continuous coating upon at least one moving substrate on a roll, comprising at least one capillary tube having a discharge end, at least one capillary tube manifold in communication with the at least one capillary tube, at least one continuous pumping device to supply the at least one capillary manifold with fluid, and at least one displacement device, wherein the apparatus is adapted to position and then maintain the discharge end of the at least one capillary tube within 5° of tangential contact with a moving substrate at a portion on a roll so as to deposit fluid onto the substrate.