Dispensing apparatus with improved fluid valve and air knife and

Details Dispensing apparatus with improved fluid valve and air knife and Dispensing apparatus with improved fluid valve and air knife and

1997-02-24

1998-04-07

Shaver, Kevin P.

Dispensing

Processes of dispensing

222148, 222504, 222559, 239112, B67D 108

Patent

active

057354340

ABSTRACT:
A dispensing apparatus for dispensing a material including a valve assembly comprising: a valve member movable in a reciprocating fashion along an axis, where the valve member includes a stem having at least one material transfer recess provided on the stem and a tapered dispensing end having an angle of taper. The valve member is movable between a first position where a discrete toroidal mass of material to be dispensed is formed at the dispensing end and a second position where a discrete toroidal mass of material to be dispensed is not formed at the dispensing end. The dispensing apparatus also includes a material dispensing assembly comprising having a fluid knife for moving the discrete toroidal mass to be dispensed from the dispensing end away from the dispensing end when the valve member is in the first position. The fluid knife is supplied substantially parallel to the angle of taper of the dispensing end.

REFERENCES:
patent: 3512550 (1970-05-01), Ammann
patent: 3729168 (1973-04-01), Natho et al.
patent: 4076210 (1978-02-01), Spielvogel
patent: 4457341 (1984-07-01), Aspinwall
patent: 4461450 (1984-07-01), Soland et al.
patent: 4542766 (1985-09-01), Gawer
patent: 4794847 (1989-01-01), Kreuter et al.
patent: 4801051 (1989-01-01), Lewis et al.
patent: 4852773 (1989-08-01), Standlick et al.

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