Patent ID: 6890128

Claim:
An air conveyor ( 1 ) for conveying articles ( 2 ) having a collar ( 3 ) and a head ( 4 ) above it, including plastic bottles, comprising: a conveyor channel ( 7 ) having two carrying strips ( 6 a , 6 b ) which are arranged along the conveyor channel and on which the articles are conveyed as they hang by their collars, air nozzles ( 9 ) arranged along the conveyor channel to allow air to act on the articles, a head space ( 5 ) above the carrying strips for containing the head of the bottle during conveying, the head space ( 5 ) having inclined side walls ( 8 a , 8 b ), the air nozzles ( 9 ) being provided in the inclined side walls ( 8 a , 8 b ) of the head space ( 5 ) and acting upon the heads ( 4 ) of the articles conveying said articles ( 2 ), and wherein the angle of the inclined side walls are such that said side walls ( 8 a , 8 b ) operate as stops to limit the lifting or tilting of the articles ( 2 ).