Spraying unit for unhardened concrete and the like

Details Spraying unit for unhardened concrete and the like Spraying unit for unhardened concrete and the like

1979-09-11

1981-10-06

Bleutge, Robert L.

Agitating

Mortar mixer type

With gas incorporating; fluid mixing, delivering, or conveying

239304, B28C 546

Patent

active

042932270

ABSTRACT:
The present invention relates to a spraying unit for unhardened concrete and the like, which is provided with an apparatus capable of mixing a constant quantity of quick-set additive, for example, into unhardened concrete to be sprayed.
The apparatus capable of mixing the constant quantity of quick-set additive into unhardened concrete and the like is adapted to usually carry and supply the constant volumetric weight and quantity of quick-set additive outside a quick-set additive container regardless of the amount of the quick-set additive stored inside the container.

REFERENCES:
patent: 1731953 (1929-10-01), Thomson
patent: 3840186 (1974-10-01), Broadfoot
patent: 4046357 (1977-09-01), Twitchell

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