Conveyance truck with movable seal plates

Details Conveyance truck with movable seal plates Conveyance truck with movable seal plates

1975-11-19

1977-08-16

Blunk, Evon C.

Buckles, buttons, clasps, etc.

243 39, B65G 5104

Patent

active

040421902

ABSTRACT:
A conveyance truck for an air conveyance system provided with movable seal plates. The seal plates are so mounted to always and completely maintain the air-tightness between the transport tube and the conveyance truck.

REFERENCES:
patent: 839646 (1906-12-01), Roberts
patent: 1779164 (1930-10-01), Grover
patent: 1870258 (1932-08-01), MacMillan
patent: 3734428 (1973-05-01), Alexandrov et al.
patent: 3949953 (1976-04-01), Hopkins

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