Dispensing – Snap-acting outlet element – Axially movable tube – sleeve – or apertured cap
Patent
1975-01-15
1976-01-27
Sheridan, Robert G.
Dispensing
Snap-acting outlet element
Axially movable tube, sleeve, or apertured cap
214152, 222502, B65G 6564
Patent
active
039347370
ABSTRACT:
Paper, cardboard, thin wood chips, and other feltable, non-flowable and generally laminar materials are stored in a silo and supported by generally parallel beams at a level above a base platform. The material mats together and is self-supporting in a general arch shape between the beams and is removed from the silo by lowering the beams one at a time to lower a portion of the material while the rest of the material is self-supporting in a general arch shape upheld by beams other than the lowered beam. Lowered material is moved off the base platform and out from under the self-supporting material above, the lowered beam is raised to its original level, then another beam is lowered to repeat the process indefinitely.
REFERENCES:
patent: 1443181 (1923-01-01), Hill
patent: 2902189 (1959-09-01), Buhrer
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