Direction changing section of pneumatic tube conveyor

Details Direction changing section of pneumatic tube conveyor Direction changing section of pneumatic tube conveyor

1978-03-27

1979-03-27

Reeves, Robert B.

Buckles, buttons, clasps, etc.

B65G 5118

Patent

active

041461959

ABSTRACT:
A direction changing section of tubing for a pneumatic tube conveyor wherein a carrier with at least one seal ring around it is of a diameter substantially equal to the diameter of the tube. The portion of the section around the curve is of enlarged inner dimension radially of the curve to enable a carrier to move around it along a series of chords and, hence, turn in a tighter arc. A multiplicity of flexible seal members across and along the curved portion extend radially of the curve so as to be engaged by the carrier passing therethrough.

REFERENCES:
patent: 411864 (1889-10-01), Leaycraft
patent: 786991 (1905-04-01), Podlesak
patent: 4026606 (1977-05-01), Williams

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