Foam dispensing apparatus

Details Foam dispensing apparatus Foam dispensing apparatus

1975-09-26

1977-05-17

Blunk, Evon C.

Fluid sprinkling, spraying, and diffusing

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

Nozzle cleaner, flusher or drainer

239117, 239414, B05B 1502

Patent

active

040237338

ABSTRACT:
Apparatus for making and dispensing two liquids, such as organic resins and polyisocyanates which react to form a polyurethane foam. The apparatus comprises a dispensing gun including a mixing chamber having two liquid entry ports in a non-aligned relationship with each other. One of the entry ports is positioned forward or upstream from the other. A reciprocally mounted valving rod has an extended position for closing the ports and a retracted-position for opening the ports and permitting liquid flow into the mixing chamber.

REFERENCES:
patent: 3157361 (1964-11-01), Heard
patent: 3338523 (1967-08-01), Tibbitt
patent: 3687370 (1972-08-01), Sperry
patent: 3786990 (1974-01-01), Hagfors

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