초록 ▼

An air knife coater mechanism such as for coating a traveling web of paper including a backup over which the web travels with means for applying a coating to the web surface and an air knife for smoothing the coating while the web is supported on the backup roll with the air knife having first and s

An air knife coater mechanism such as for coating a traveling web of paper including a backup over which the web travels with means for applying a coating to the web surface and an air knife for smoothing the coating while the web is supported on the backup roll with the air knife having first and second lips with the upper lip pivotally mounted for movement away from the lower lip to an open position for access to the gap and cleaning the distal edge of the upper lip and the operating mechanism in the form of an adjustable toggle linkage.

대표청구항 ▼

An air knife coater for coating the surface of a traveling web, comprising in combination: a web supporting carrier over which a traveling web is trained to be supported through a coating zone; means for applying coating to the web; an air knife for treating the coating on the web having first and s

An air knife coater for coating the surface of a traveling web, comprising in combination: a web supporting carrier over which a traveling web is trained to be supported through a coating zone; means for applying coating to the web; an air knife for treating the coating on the web having first and second lips defining an air slot therebetween directed at the web after a layer of coating has been applied by said coating means; a pivotal support for the first lip mounting the lip for movement between a first position when a precise slot is defined with the other lip and a second position pivoted away from the second lip for cleaning off the distal edge of the first lip and for access to the slot between the lips; said support including a cylindrically shaped base for the first lip extending parallel to the lip and a receiving clamp having a cylindrically shaped socket for receiving the cylinder and providing pivotal support; and an operating arm connected to the first lip with said arm providing force applying means for moving the lip between said first and second positions and being adjustable for controlling the width of said air slot.