Sealing top for containers for powdered or granular materials

Details Sealing top for containers for powdered or granular materials Sealing top for containers for powdered or granular materials

1981-09-21

1985-09-17

Rolla, Joseph J.

Dispensing

Supply containers with traps

With tiltable container trap only

222561, G01F 1126

Patent

active

045415510

ABSTRACT:
A sealing top for containers for powdered or granular materials which permits controlled discharge of the container contents without clogging and which is provided with a valved opening by which the sealing top may be opened and closed.

REFERENCES:
patent: 2099289 (1937-11-01), Anderson
patent: 2387724 (1945-10-01), Elman et al.
patent: 2555459 (1951-06-01), Seufer
patent: 2678754 (1954-05-01), Kirsner
patent: 2927717 (1960-03-01), McDermott
patent: 3409189 (1968-11-01), McKeand, Jr.
patent: 3731855 (1973-05-01), Vos
patent: 4401272 (1983-08-01), Merton et al.

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