Apparatus and method for applying a foam layer to cover and seal

Details Apparatus and method for applying a foam layer to cover and seal Apparatus and method for applying a foam layer to cover and seal

1983-10-20

1985-05-28

Beck, Shrive P.

Coating apparatus

Projection or spray type

Work-supported and guided carriage

427136, 427421, 239172, 405128, 405129, B05B 1300

Patent

active

045193380

ABSTRACT:
An apparatus and method for covering and sealing dumped waste is provided wherein hardenable plastic foam is sprayed in a swath as waste is compacted by a roller. The roller is wider than the treads of the tractor vehicle, the spray nozzles are angulated alternately, spraying any projection. The configuration of the wheel and nozzles reduced gaps in the foam layer by a large factor over the prior art using less foam and labor and in less time.

REFERENCES:
patent: 3418672 (1968-12-01), Regan
patent: 3618856 (1971-11-01), Sachnik
patent: 4037664 (1977-07-01), Gibson
patent: 4421788 (1983-12-01), Kramer

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