Pipe reinforcing device

Details Pipe reinforcing device Pipe reinforcing device

1999-07-07

2000-09-26

Browne, Lynne H.

Pipe joints or couplings

With support

285115, 285179, 248 741, F16L 300

Patent

active

061233668

ABSTRACT:
A pipe reinforcing device includes a tubular connecting member with a pair of internal threads at opposite ends thereof, and a pair of sleeves extending outwardly from the internal threads. The sleeves have a slightly larger inner diameter than the threads. Pipes are inserted into the sleeves, and screwed into the threads. The sleeves extend substantially beyond the external threads on the pipes and completely enclose them. When the pipes are deflected, stress on their external threads is relieved by the sleeves, so that the pipes are prevented from fracturing at the external threads. In a second embodiment, U-shaped sleeves are attached to the adjacent ends of a pair of pipes joined by a conventional connector. A connecting member is positioned against the pipes opposite the sleeves. The sleeves are secured to the connecting member by bolts. The sleeves and connecting member extend substantially beyond the external threads of the pipes and completely enclose them, so that they relieve the stress on the external threads when the pipes are deflected. The pipe reinforcing device thus provides a significant safety benefit in floods, earthquakes, or other events that cause pipe deflections.

REFERENCES:
patent: 1011612 (1911-12-01), Gordon
patent: 1322330 (1919-11-01), Neames
patent: 1598503 (1926-11-01), Plummer
patent: 2465495 (1949-03-01), Taliento
patent: 5211602 (1993-05-01), Holmgren
patent: 5529268 (1996-06-01), Wright
patent: 5687938 (1997-11-01), Bailey
patent: 5797697 (1998-08-01), Keller

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