Valving rod with scraper device for foam dispensing apparatus

Details Valving rod with scraper device for foam dispensing apparatus Valving rod with scraper device for foam dispensing apparatus

1990-01-02

1991-12-24

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

With cleaning means, drip collecting, waste disposal or soil...

Nozzle cleaner, flusher or drainer

239123, B05B 1502

Patent

active

050744704

ABSTRACT:
A composite valving rod is provided for use in a foam dispensing apparatus having a low friction plastic sleeve portion that is retained by a steel tip which both maintains the physical dimensions of the plastic sleeve and serves as a scraper when drawn through the bore of the foam dispensing cartridge. The cartridge is all metal.

REFERENCES:
patent: 2890836 (1959-06-01), Gusmer et al.
patent: 3144210 (1964-08-01), Levy
patent: 3203630 (1965-08-01), Broughton
patent: 3334648 (1967-08-01), Probst
patent: 3687370 (1972-08-01), Sperry
patent: 3786990 (1974-01-01), Hagfors
patent: 3876145 (1975-04-01), Gusmer et al.
patent: 3945569 (1976-03-01), Sperry
patent: 4003501 (1977-01-01), Ramazzotti et al.
patent: 4377256 (1983-03-01), Commette et al.
patent: 4427153 (1984-01-01), Schaefer
patent: 4523696 (1985-06-01), Commette et al.

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