Foam dispensing apparatus for marking on a ground surface the wo

Details Foam dispensing apparatus for marking on a ground surface the wo Foam dispensing apparatus for marking on a ground surface the wo

1979-11-29

1981-10-27

Scherbel, David A.

Dispensing

With casing or support

Ambulant

222624, 222632, 222214, 239157, 239172, A01C 1500, B05B 730

Patent

active

042968755

ABSTRACT:
The foam dispensing apparatus is mountable on a self-propelled or manually propelled vehicle such as a planting, fertilizing and spraying machine or like surface working vehicles. A peristaltic or squeeze type pump has an inlet section for receiving air and a foam agent solution which are mixed and successively moved through the pump for discharge in a foam form from the pump outlet section. A discharge nozzle connected to the outlet section is arranged to apply the foam material on the ground surface at a position adjacent to one side of the vehicle. The pump is driven at a rate in response to the ground speed of the vehicle over the ground surface and the air and foam agent solution mixture may be proportionally varied to maintain visual observance of the foam on the ground surface for varying time periods.

REFERENCES:
patent: 2703256 (1955-03-01), Mascaro
patent: 3481545 (1969-12-01), Cooke et al.
patent: 3534533 (1970-10-01), Luoma
patent: 3807605 (1974-04-01), Meharry et al.

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