Container filling nozzle made of elastomeric material

Details Container filling nozzle made of elastomeric material Container filling nozzle made of elastomeric material

1990-01-19

1991-10-01

Huppert, Michael S.

Dispensing

Slitted resilient diaphragm or nipple

222494, 222571, 137849, F16K 2300

Patent

active

050525948

ABSTRACT:
A container filling nozzle of rubber has a wide, substantially square, inlet opening and a cruciform outlet slit which, in the absence of external force, is maintained closed owing to the resilience of the rubber. In the zone of the slit, the internal surface of the nozzle wall is formed with protrusions which extend along both sides of each of the arms of the slit and constitute respective thickenings. The protrusions terminate short of the central ridge of the V-form lips of the nozzle. Thus, the lips have their outlet zones more rigid and yet retain the necessary flexibility, so that sealing of the slit is improved and yet the lips can open wide.

REFERENCES:
patent: 2005642 (1935-06-01), Thornton
patent: 2611515 (1952-09-01), Smith
patent: 3861416 (1975-01-01), Wichterle
patent: 3896849 (1975-07-01), Ervin et al.
patent: 4492253 (1985-01-01), Raftis
Vernay Laboratories Inc., first page.

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