Apparatus for moving along or through a material

Details Apparatus for moving along or through a material Apparatus for moving along or through a material

1978-02-01

1980-05-27

Duggan, Donovan E.

Electricity: electrical systems and devices

Electric charge generating or conducting means

Use of forces of electric charge or field

279 19, 310300, 310308, H02N 100

Patent

active

042053625

ABSTRACT:
A two-part pile or probe device in which the parts can be moved relative to one another by a jacking mechanism. In operation, one of the two parts is made anodic to grip the material in which the device is to be moved, the other is made cathodic to encourage slip and the jacking mechanism is used to urge the cathodic part through the material against the anchoring action of the anodic part. The polarity of the two parts is then reversed and the process repeated to move the previously anodic part. In this way the device can be made to move through the material in a series of discrete steps as first one part and then the other is forced through the material by the jacking mechanism.

REFERENCES:
patent: 1807292 (1931-05-01), Joffe
patent: 2148982 (1939-02-01), Lorenz
patent: 2195792 (1940-04-01), Straatveit
patent: 3013189 (1961-12-01), Bernier

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