Stock inlet and headbox for paper making machines

Claim 1

A STOCK INLET COMPRISING A CASING OF GENERALLY CYLINDRICAL SECTION, AN IMPERFORATE ROLL ROTATABLY MOUNTED IN SAID CASING AND EXTENDING LENGTHWISE WITHIN SAID CASING AND OF A DIAMETER RELATIVELY SLIGHTLY LESS THAN THE INNER DIAMETER OF SAID CASING TO LEAVE A RESTRICTED SPACE BETWEEN THE SURFACE OF SAID ROLL AND SAID CASING, SAID ROLL HAVING CORRUGATIONS EXTENDING AXIALLY OF THE SURFACE THEREOF, A PLURALITY OF INLETS CONNECTED TO SAID CASING FROM OUTSIDE THEREOF IN SPACED RELATION AXIALLY OF SAID ROLL AND ARRANGED TO DELIVER STOCK INTO SAID SPACE IN DIRECTIONS PARALLEL WITH A PLANE PERPENDICULAR TO THE AXIS OF SAID ROLL TO CAUSE STOCK ENTERING SAID CASING THERETHROUGH TO IMPINGE ON THE SURFACE OF SAID ROLL AND TO SPREAD AXIALLY THEREOF ALONG SAID CORRUGATIONS, MEANS FORMING AN OUTLET PROJECTING GENERALLY TANGENTIALLY FROM SAID CASING AND EXTENDING CONTINUOUSLY ALONG THE FULL LENGTH THEREOF, MEANS FOR SUPPLYING