Dispenser for pasty products

Details Dispenser for pasty products Dispenser for pasty products

1988-02-02

1989-08-15

Rolla, Joseph J.

Dispensing

Plural sources, compartment, containers and/or spaced jacket

With discharge assistant for each source

222256, 222340, 222386, B67D 552, B67D 542, G01F 1100

Patent

active

048566799

ABSTRACT:
The invention relates to a piston dispenser for pasty products which has a single dispensing passage for simultaneously dispensing two products such as a stripe on toothpaste. The dispenser has a pump chamber (5) of a delivery mechanism and a stripe chamber (6) of a dispensing unit (A) disposed radially adjacent one another in free communication with the interior cavity (3) of the dispenser without the provision of valves. The dispensing unit (A) also includes the dispensing passage (29') which has an opening in communication with the stripe chamber.

REFERENCES:
patent: 2789731 (1957-04-01), Marraffino
patent: 4461403 (1984-07-01), Prahs
patent: 4515298 (1985-05-01), Czech
patent: 4657161 (1987-04-01), Endo et al.
patent: 4671432 (1987-06-01), Benecke et al.
patent: 4691847 (1987-09-01), Ford et al.

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