Subsoil blade ploughs

Details Subsoil blade ploughs Subsoil blade ploughs

1986-04-09

1989-03-28

Johnson, Richard J.

Earth working

Tool, standard or connection

Subsoilers

172657, 172413, 172483, 172327, A01B 1308, A01B 1500

Patent

active

048155454

ABSTRACT:
Apparatus for fracturing below ground hard pans which includes entering a sub-soil tyne beneath the hard pan with upper surface angle in range of orientation which provides improved fracturing width.

REFERENCES:
patent: 2931446 (1960-04-01), Gwinn
patent: 3024851 (1962-03-01), Harres
patent: 3120281 (1964-02-01), Peveler
patent: 3584692 (1971-06-01), Fasse

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