Member for dispensing a two-component mass from a tool separatel

Details Member for dispensing a two-component mass from a tool separatel Member for dispensing a two-component mass from a tool separatel

1993-07-14

1995-07-04

Kashnikow, Andres

Dispensing

Plural sources, compartment, containers and/or spaced jacket

With common discharge

B67D 560

Patent

active

054292778

ABSTRACT:
Member for mixing and dispensing a two-component mass from a tool arranged to separately squeeze-out the two components. The member includes a mixing tube (1) enclosing a coaxial tube section (2) connected to the front end (3) of the tool for conveying one of the components from a tool outlet (3b) to the mixing tube (1). Another tool outlet (3a) conveys the other component directly into the mixing tube (1). The tube section (2) has a one-way valve at an outlet opening (2b) into the mixing tube (1). The one-way valve includes an expandable tubular sheath (5) covering the outlet opening (2b) through the tube section (2). The one-way valve prevents any backflow of the mixed components from the mixing tube into the tube section. Mixed components which harden within the mixing tube (1) form a seal or block. Accordingly, when the tool squeezing out the component is operated with a blocked or sealed mixing tube, no backflow into the tool can occur.

REFERENCES:
patent: 384306 (1888-06-01), Bourdil
patent: 1164350 (1915-12-01), Huber
patent: 1445826 (1923-02-01), Fesler
patent: 2503534 (1950-04-01), Wilks
patent: 3015420 (1962-01-01), Chudnow
patent: 3693656 (1972-09-01), Sauer
patent: 3908868 (1975-09-01), Peirish, Jr.
patent: 4907957 (1990-03-01), Nakagawa et al.
patent: 5080262 (1992-01-01), Herold et al.

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