Coating processes – Solid particles or fibers applied – Plural direction application of coating materials or...
Patent
1978-10-17
1981-04-21
Beck, Shrive P.
Coating processes
Solid particles or fibers applied
Plural direction application of coating materials or...
118308, 239 1, 239424, 427426, 427427, B05B 106, B05D 112
Patent
active
042633460
ABSTRACT:
The present invention refers to a method and a device for the manufacture of fibre reinforced building structures, surfing coatings and similar, by spraying cement, concrete, mortar or the like through a spraying nozzle, at which disintegrated fibre- or rod-shaped reinforcing material is introduced into the spraying nozzle by means of pressure air. The reinforcing material is brought through a central passage extending through substantially the whole length of the spraying nozzle, and the structural material is brought through a passage in the spraying nozzle, which passage concentrically surrounds said central passage. In this way the reinforcing material will be surrounded by a casing of structural material during a substantial part of the transport from the nozzle to the land surface, thus avoiding the loss of any large quantities of reinforcing material.
REFERENCES:
patent: 2314329 (1943-03-01), Ericson
patent: 2433463 (1947-12-01), Lampe
patent: 2683625 (1954-07-01), Fisher
patent: 3035940 (1962-05-01), Hobson
patent: 3185396 (1965-05-01), Black
patent: 4050677 (1977-09-01), Benthin
patent: 4095748 (1978-06-01), Ohtake et al.
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