(under subclass 331) Method or apparatus including the application of the flowable material to the workpiece intermittently in a predetermined cycle so that the layer is applied only to limited areas of the workpiece; wherein the cycle is predetermined at least in part by characteristics of the means applying the flowable material.
(1) Note. The coating of this subclass is similar to that of a printing device in that restriction of the coating is made by the characteristics of the applicator rather than solely by the characteristics of the workpiece. For example, coating of the projecting flap of sequentially presented workpieces by a roller under which the flap passes is not proper for this subclass since there is no characteristic of the applicator to cause intermittent application of the coating; whereas, coating of sequentially presented envelope
flaps by a rotary device with raised surface portions is proper for this subclass since the intermittent application is brought about at least in part by the characteristics of the applicator.
