Title: System of pneumatic transport of domestic refuse and the like

Abstract: Refuse conveying suction systems for low-rise dwelling areas are operated by holding the receiving chutes closed to the atmosphere during suction periods and in permanently open communication with an underlying collecting conduit which is open to the atmosphere at one end and connected to a main vacuum conveying conduit via a main valve which is opened to initiate vacuum conveyance of refuse collected in said collecting conduit below said chutes.

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Inventors: Aitken, Ian Miller Edington (London, EN)

Application Number: 387513
Filing Date: 1973-08-15
Publication_date: 1976-04-27
Assignee: AB Centralsug (Solna, SW)
Primary Class(es): 406/117
Other Classes:
US Patent Ref:

3490813

Jan, 1970

Hallstrom

302/27.

Other Refs: 227,1711,084,689332,9681,223,279

Sep, 1969	SW
Sep, 1967	UK
Aug, 1930	UK
Feb, 1971	UK

Primary Examiner: Blunk, Evon C.
Assistant Examiner: Rowland, James L.
Attorney: Spencer & Kaye