Pipes and tubular conduits – With closures and plugs – Double end
Patent
1990-01-22
1991-05-21
Bryant, III, James E.
Pipes and tubular conduits
With closures and plugs
Double end
138 89, 165 71, 165 76, F16L 5516
Patent
active
050166743
ABSTRACT:
The present invention relates to rod plug caps for leaky tubes of a heat exchanger. The rod plug caps include a frustrum shaped tapered hollow plug having a top, a length, and a diameter. The diameter of the top being the widest of the plug. A plug nut is formed on the top of the plug. The plug nut and the plug are formed from one homogeneous piece of material.
REFERENCES:
patent: 595189 (1897-12-01), Mern
patent: 685561 (1901-10-01), Bettermann
patent: 1607428 (1926-11-01), Boyd
patent: 2394831 (1946-02-01), Woods
Bryant III James E.
Kroll Michael I.
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