Flexible tube particularly for drillings, and a process for manu

Details Flexible tube particularly for drillings, and a process for manu Flexible tube particularly for drillings, and a process for manu

1977-07-14

1979-05-01

Aegerter, Richard E.

Pipes and tubular conduits

Flexible

Joined sections

138140, F16L 1118

Patent

active

041518659

ABSTRACT:
(a) A flexible tube particularly for drillings, and a process for manufacturing said tube.
(b) A tube wherein each ring has a male portion and a female portion, the male portion of a ring being designed to fit in the contiguous female portion, said male and female portions each carrying an abutment, a locking means being fitted between the male portion and the female portion of two contiguous rings by co-operating with said abutments of the male and female portions so as to prevent both said rings from parting from one another although providing an axial clearance to said rings.

REFERENCES:
patent: 428023 (1890-05-01), Schoff
patent: 907692 (1908-12-01), Hervey
patent: 1037575 (1912-09-01), Andersen
patent: 1255577 (1918-02-01), Berry
patent: 1822624 (1931-09-01), Hoeftmann
patent: 2136770 (1938-11-01), Witzenmann
patent: 2696264 (1954-12-01), Colmerauer et al.

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