System of pneumatic transport of domestic refuse and the like

Details System of pneumatic transport of domestic refuse and the like System of pneumatic transport of domestic refuse and the like

1973-08-15

1976-04-27

Blunk, Evon C.

Cutlery

302 39, B65G 5306

Patent

active

039530787

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.

REFERENCES:
patent: 3490813 (1970-01-01), Hallstrom

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