Hydraulic and earth engineering – Miscellaneous
Patent
1978-04-13
1982-02-23
Corbin, David H.
Hydraulic and earth engineering
Miscellaneous
405263, 405269, E02D 312
Patent
active
043166792
ABSTRACT:
In apparatus for injecting and mixing a ground stabilization agent into the material of the earth during the operation of an earth drill, a device is provided for generating signals indicative of the upward movement of the earth drill as the drill is withdrawn and while the stabilization agent is being introduced, and a weighing device is provided for constantly weighing the remaining supply of ground stabilization agent and for thereby measuring the weight of stabilization agent delivered to the ground, and a recorder is connected to receive signals from both of the devices for providing a graphic record of the stabilization agent delivered versus the upward travel of the earth drill.
REFERENCES:
patent: 3200599 (1965-08-01), Phares et al.
patent: 3255592 (1966-06-01), Moor
patent: 3967912 (1976-07-01), Parker
patent: 4058986 (1977-11-01), Granholm
Hallgren Leif
Lundmark Signar
Ailes Curtis
Corbin David H.
Linden-Alimak AB
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