Conveying the articles in carriers having a cross-section approximating that of the pipe or tube; Tube mail systems

Full Title

Conveying articles through pipes or tubes by fluid flow or pressure; Conveying articles over a flat surface, e.g. the base of a trough, by jets located in the surface > Conveying the articles in carriers having a cross-section approximating that of the pipe or tube; Tube mail systems

Child Classifications

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• B65G 51/06 Despatch carriers for tube mail
• B65G 51/08 Controlling or conditioning the operating medium
• B65G 51/18 Adaptations of pipes or tubes; Pipe or tube joints
• B65G 51/20 Braking arrangements
• B65G 51/22 Arrangements for stopping the carriers en route in order to control carrier sequence; Blocking or separating devices
• B65G 51/24 Switches
• B65G 51/26 Stations
• B65G 51/34 Two-way operation
• B65G 51/36 Other devices for indicating or controlling movements of carriers, e.g. for supervising individual tube sections, for counting carriers, for reporting jams or other operating difficulties