Patent ID: 6494646
Filing Date: 2002-12-17
Classification: B65G

Abstract:
Pneumatic conveyor for empty, lightweight bottles (1), of the kind having a support flange (2) in an area of its neck (3), said conveyor comprising:a supporting structure (4) for at least two parallel, coplanar supporting tracks (5) for said flange (2), said tracks (5) being separate by a gap wide enough to define a guide path (19) for the travel of said bottles (1), and other two parallel, coplanar tracks (11) opposed to said supporting tracks (5) for upper guiding of said flanges (2); a plurality of blowing nozzles (6) arranged between the supporting tracks (5) and said corresponding guiding tracks (11), said blowing nozzles (6) being distributed along and adjacent to each of the said supporting tracks (5), both sides of said guide path (19) to provide air jets for propelling the bottles (1) at said area of the neck (3); at least one pressurizable chamber (7) communicated with said blowing nozzles (6); and at least an inlet for supplying compressed air to said chamber (7), characterized in that it comprises two bodies (12), each sandwiched between one of said two supporting tracks (5) and the corresponding one of said two upper guiding tracks (11), said bodies (12) being crossed by passageways (13) which are communicated at one end with said at least one pressurizable chamber (7) and defining at the other end said blowing nozzles (6).