Single line pressure-pressure pneumatic tube system

Details Single line pressure-pressure pneumatic tube system Single line pressure-pressure pneumatic tube system

1980-02-26

1982-04-20

Nase, Jeffrey V.

Conveyors: fluid current

With load braking or retarding means

Utilizing a fluid

137112, 137521, 406112, 406192, B65G 5108

Patent

active

043256600

ABSTRACT:
A single line, pressure-pressure, pneumatic tube system having a pair of terminals each being capable of dispatching or receiving carriers. Each terminal provided with a blower to provide air flow, tubing connecting the two terminals, a pair of inline valves in the tubing, one facing in one direction and the other in the opposite direction. The valves being so designed that the one near the dispatching terminal automatically closes to permit build up of pressure and the one near the receiving terminal opens to exhaust pressure and slow the travel of the carrier as it approaches the receiving terminal, the terminal having a bleed-off orifice to assure carrier arrival.

REFERENCES:
patent: 3778006 (1973-12-01), Martin
patent: 4189261 (1980-02-01), Kelley et al.

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