Arrangement for forming and conveying of a tobacco filler

Claim 1

A CIGARETTE ROD MAKING MACHINE INCLUDING MEANS FOR FEEDING SHREDDED TOBACCO IN EXCESS OF THAT REQUIRED IN THE FINISHED CIGARETTE ROD, AN ELONGATED AND ENDLESS CONVEYOR FOR RECEIVING SAID FED TOBACCO ON A FIRST FACE THEREOF AND FOR FORMING A FILLER STREAM THEREON CONTAINING SAID TOBACCO THEREIN, SAID CONVEYOR BEING FORAMINOUS, MEANS FOR DRIVING AND GUIDING SAID CONVEYOR SUCH THAT OT TRAVERSE A PATH HAVING A U-SHAPED PORTION, MEANS DEFINING A SUCTION CHAMBER HAVING A U-SHAPED PARALLEL TO SAID PATH PORTION AND CONTINGENT WITH A SECOND FACE OF SAID BELT OPPOSITE SAID FIRST FACE, SAID CHAMBER HAVING A U-SHAPED SECTION AND BEING ARRANGED TO THAT THE FREE ENDS OF THE LEGS PROVIDING SAID U-SHAPED SECTION ARE CONTINGENT TO SAID SECOND FACE WHEREBY SUCTION PREVAILING IN SAID CHAMBER CAUSES A STREAM OF AIR TO PASS THROUGH THE TOBACCO FILLER ON THE FIRST FACE OF THE FORAMINOUS CONVEYOR CAUSING SAID TOBACCO STREAM TO ADHERE THERETO.