×

Apparatus and method for subsurface application

  • US 6,029,590 A
  • Filed: 10/03/1996
  • Issued: 02/29/2000
  • Est. Priority Date: 02/24/1995
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method of applying metham sodium in a discrete layer of soil, beneath the surface of the soil, using a plurality of plates, each of the plates mounted at an end of a shank, and each of the shanks having a rock shield mounted at a terminal portion of the end of the shank, the plates being in substantially the same horizontal plane and located at a depth sufficient to break up the subsurface without disturbing the surface of the soil, the shanks mounted to a first frame, each of the shanks having a nozzle mounted thereon proximate to and behind the respective plate with respect to a direction of travel of the plate, the rock shield disposed below the nozzle relative to the surface of the soil, each of the nozzles having a substantially rearward oriented opening therein and means for communicating with a source of the metham sodium, the method comprising the steps of:

  • forcing the plates horizontally through the soil in a first direction; and

    injecting the metham sodium in a jet under pressure through the opening in the nozzles while the plates are being forced through the soil, the jet of the metham sodium directed substantially rearward and in a wide angle flat spray pattern below the surface of the soil.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×