Method of forcibly introducing a curved steel pipe into the grou

Details Method of forcibly introducing a curved steel pipe into the grou Method of forcibly introducing a curved steel pipe into the grou

1976-08-02

1977-12-13

Shapiro, Jacob

Boring or penetrating the earth

Below-ground impact members

With releasable means to detachably retain telescoping...

175 61, 175 73, 175 75, F16L 102, E21B 704

Patent

active

040621960

ABSTRACT:
A method of forcibly introducing a curved steel pipe into the ground which comprises forcibly introducing into the ground a curved steel pipe in which has been encased an auger train consisting of a plurality of augers coupled in flexible manner with universal joints by jacking said pipe from its rear, rotating said auger train within said curved steel pipe, and conveying away the excavated earth and sand through said pipe, and a curved steel pipe pressing-in machine used in the above method.

REFERENCES:
patent: 2565794 (1951-08-01), Young
patent: 2743082 (1956-04-01), Zublin
patent: 3132701 (1964-05-01), Juntunen

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