Apparatus for applying an adhesive to planar articles such as webs or sheets of veneer

Claim 1

APPARATUS FOR APPLYING A POWDERED ADHESIVE TO A SURFACE OF A TRAVELING, PLANAR ARTICLE: (A) SAID APPARATUS COMPRISING AN UPSTANDING, RELATIVELY LONG, NARROW BIN FOR HOLDING A SUPPLY OF SAID POWDER; (B) SAID BIN HAVING A RECTANGULAR OUTLET OPENING IN THE BOTTOM THEREOF; (C) A CYLINDRICAL MOUNTED ADJACENT SAID OPENING FOR ROTATION ABOUT A HORIZONTAL AXIS, WITH SAID AXIS BEING PARALLEL TOP THE LONGITUDINAL AXIS OF SAID OPENING AND WITH THE UPPER SURFACE OF SAID CYLINDER PROJECTING INTO THE INTERIOR OF SAID BIN AND FILLING SAID OPENING TO PROVIDE A MOVABLE BOTTOM WALL FOR SAID BIN; (D) SAID CYLINDER HAVING A DIAMETER GREATER THAN THE WIDTH OF SAID OPENING; (E) MEANS FOR ROTATING SAID CYLINDER AT A PREDETERMINED PERIPHERAL SPEED AND IN ONE DIRECTION; (F) SAID CYLINDER HAVING A PLURALITY OF DEPRESSIONS IN ITS SURFACE INTO WHICH POWDER WITHIN SAID BIN MAY SETTLE THEREBY TO BE REMOVED FROM SAID BIN; (G) A BRUSH MEANS ROTATABLY MOUNTED IN AXIALLY PARALLEL RELATIONSHIP TO AND ADJACENT SAID CYLINDER, AND EXTERNALLY OF SAID BIN AND INCLUDING MEANS FOR DRIVING SAID BRUSH MEANS IN A DIRECTION OF ROTATIN OPPOSITE TO THE DIRECTION OF ROTATION OF SAID CYLINDER FOR REMOVING SAID POWDER FROM SAID DEPRESSIONS UPON THE EMERGENCE OF THE LATTER FROM SAID BIN; (H) A PLURALITY OF GENERALLY PARALLEL SPACED APART RODS DISPOSED HORIZONTALLY WITHIN SAID BIN AND EXTENDING THE LENGTH THEREOF; (I) SAID RODS BEING POSITIONED ABOVE SAID CYLINDER AND RELATIVELY CLOSER TO SAID OPENING THAN TO THE TOP OF SAID BIN;