Coating processes – Spraying – Ingredients supplied separately
Patent
1995-02-15
2000-12-12
Beck, Shrive
Coating processes
Spraying
Ingredients supplied separately
427136, 427196, 472 92, 2394165, 239424, 2394255, 239430, 239549, 2395535, 239558, B05D 134
Patent
active
061595500
ABSTRACT:
A method and apparatus for continuously coating particulate such as rubber with liquid binder and applying the same to a substrate to form resilient athletic surfaces. Total encapsulation of the particulate with the liquid binder is accomplished prior to applying the mix to the substrate. In addition, the method of delivery of the particulate and binder maintains the ratios thereof uniform. In its method aspects, the instant invention involves separately introducing a stream of particulate and a stream of binder into a spray nozzle, where they are combined and delivered to the substrate. The apparatus includes a nozzle assembly having a central lumen and an elongated tip, the lumen being formed so as to force the particulate introduced therein to follow a circuitous or indirect path therethrough and thereby decrease its velocity prior to being ejected from the nozzle.
REFERENCES:
patent: 2025974 (1935-12-01), Fritz
patent: 3676198 (1972-07-01), McGroarty
patent: 4411389 (1983-10-01), Harrison
patent: 4420513 (1983-12-01), Coke et al.
patent: 5320870 (1994-06-01), Sorathia et al.
Allentown Pneumatic Gun, Inc. brochure: Dry Process: pp. 1-5 (no date).
AIRPLACO brochure; C-7 Rotary Gunite Machine; 2-Pages (no date).
Allentown Pneumatic Gun, Inc. brochure; GRH 600 Rotary Gun; 2-pages (no date).
Allentown Pneumatic Gun, Inc. brochure; Specifications; pp. 1-32 (no date).
Sprintrax Brochure; booklet (no date).
Beck Shrive
Calcagni Jennifer
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