Sybron Corporation

Other

Vincent J Piarulli

Erwin J Nunlist

Franklyn J Amorese

Franklyn J Amorse

A separable blade agitator having the impeller blades joined to the drive shaft in an interference fit effected by a hub on one of the separable impellers which embraces both the shaft and the other impeller.

Separable blade agitator with clip-on impellers

Glass coated impeller

A quick opening manhole cover including a clamping flange (16) which captures the ears (48) of a locking ring (46) upon rotation of the locking ring with respect to a manhole cover (40). The manhole cover has an O.D. less than the I.D. of the manhole for axial movement into the manhole. A gasket (42) about the manhole cover is clamped between the locking ring (46), manhole cover (40) and against the manhole surface upon axial movement of the manhole cover towards the locking ring.

Quick opening manhole cover assembly

A symmetrical, balanced, glass coated, four bladed impeller for use in closed vessels having blades arranged so that the impeller may fit through a relatively small manhole even though the effective diameter of the impeller is substantially larger than the manhole.

Growing community of inventors

Greece, NY, United States of America

Vincent J Piarulli