Composite metal tubing

Details Composite metal tubing Composite metal tubing

1980-10-21

1982-08-31

Bryant, III, James E.

Pipes and tubular conduits

Distinct layers

Bonded to each other

138177, 29523, F16L 914

Patent

active

043467393

ABSTRACT:
A composite metal tubing is provided which includes an inner tubular member press fitted into the bore of an outer tubular member. The inner tubular member is made of a steel having a tensile strength of at least 48 kg/mm.sup.2. Additionally, the wall of the inner tubular member has a thickness equal to 1.5 to 8.5% of the outer diameter of the outer tubular member. The resultant composite tubing has increased pressure resistance and resists cavitation.

REFERENCES:
patent: 1306690 (1919-06-01), Gillespie
patent: 3769691 (1973-11-01), Puzik
patent: 4028785 (1977-06-01), Jackson et al.
patent: 4261769 (1981-04-01), Usui

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