Dispensing – Plural sources – compartment – containers and/or spaced jacket – With discharge assistant for each source
Patent
1989-11-07
1990-12-25
Kashnikow, Andres
Dispensing
Plural sources, compartment, containers and/or spaced jacket
With discharge assistant for each source
222145, 222207, B65D 8300, A47K 500
Patent
active
049796461
ABSTRACT:
A paste dispenser includes a dispensing pump for dispensing metered amounts of pasty substances, such as toothpaste or the like, from bottle-like or can-like paste containers which have a bellows made of an elastic material. The bellows are arranged between two housing parts which are made of a dimensionally stable material, guided telescopically resiliently one with another, so as to establish communication between the housing parts. One of the housing parts is provided with a tubular discharge orifice which shapes a strand of paste, and communicates with an annular duct formed by two inner and outer sections which are formed on one of the housing parts and are concentric to one another and coaxial to a bellows axis intercommunicating the housing parts. The inner tube section is surrounded by a radially elastic annular wall member or portion of the bellows which forms a valve seat. The annular wall section joins a wall of the bellows in a sealing fashion between the outer and inner sections. The end of the annular wall member rests on the inner surface of the outer tube section. To add colored paste with the sharpest contours possible to the strand of paste, the inner tube section is provided, in order to be used as a reservoir for a color-stripping paste, with one or several striping ducts open directly into said discharge orifice.
REFERENCES:
patent: 4732549 (1988-03-01), von Shuckman
patent: 4846372 (1989-07-01), von Shuckman
patent: 4903868 (1990-02-01), Ichiharget et al.
Derakshani P.
Kashnikow Andres
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