×

Apparatus for injecting granular material in soil

  • US 4,231,306 A
  • Filed: 02/16/1978
  • Issued: 11/04/1980
  • Est. Priority Date: 02/23/1977
  • Status: Expired due to Term
First Claim
Patent Images

1. Apparatus for injecting granular material in soil comprising:

  • an outlet means having an elongated form for securing to the rear of a tine adapted for opening a vertical slit in the soil when dragged through the soil, the said outlet means being for securing to the rear of such a tine with the elongated form of the outlet means aligned generally along the length of the tine;

    said outlet means defining an inlet opening for connection to a conduit for delivering granular material under air pressure to said outlet means, and said outlet means defining at least one outlet opening adapted to direct granular material out from said outlet means at least one of said at least one outlet openings being oriented in an upward direction;

    said outlet means being shaped for guiding granular material in at least one flow path leading from said inlet opening, said at least one outlet opening adapted for directing the granular material out from said outlet means predominantly in an elongated distribution aligned generally in a common plane with said elongated form of said outlet means, and in a direction such as to be directed rearwardly of a tine when said outlet means is attached to the tine, said distribution including an upwardly directed component and each said outlet means including a swirl chamber operative to forcibly randomise the granular material immediately prior to its exit through said at least one outlet opening.

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