Entonnoir plastique d'aspiration

Plastic vacuum suction funnel

Abstract

ABSTRACT A vacuum suction funnel of synthetic plastic material is provided. The funnel includes a vertical tube having a bottom inclined slightly with respect to the horizontal. A thrust ring is attached to an inner wall of the tube and combines with a support resting on said bottom to carry a sieve plate. A vacuum connection piece is attached to the tube and positioned adjacent to and below the sieve plate, and an outlet piece is attached to the tube adjacent a portion of the bottom which is lowermost with respect to the tube.

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