Tip seal for a dispensing valve

Details Tip seal for a dispensing valve Tip seal for a dispensing valve

1975-07-18

1977-02-22

Reeves, Robert B.

Dispensing

With discharge assistant

Fluid pressure

222493, 222513, B65D 8300

Patent

active

040088340

ABSTRACT:
An improved type of tip seal for a dispensing arrangement used for dispensing viscous products and the like with the tip seal comprising essentially an inner stem attached to a body portion, an outer stem slidably mounted over the body portion and having an opening which mates with the tip of the inner stem to form the tip seal and a stretchable rubber member holding the outer stem in contact with the inner stem when no pressure is supplied inside the body but stretching in response to pressure to open the tip seal to permit dispensing of material.

REFERENCES:
patent: 3076583 (1963-02-01), Eberspacher
patent: 3357604 (1967-12-01), Barker
patent: 3489323 (1970-01-01), Hug
patent: 3920165 (1975-11-01), Schultz

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