Protective bushing to enclose the end of a conduit liner

Details Protective bushing to enclose the end of a conduit liner Protective bushing to enclose the end of a conduit liner

1976-12-08

1978-10-31

Aegerter, Richard E.

Pipes and tubular conduits

Combined

With end structure

285 55, F16L 902

Patent

active

041228707

ABSTRACT:
A pipe, having a vulcanized, elastomeric liner within it, is finished off with a bushing at each end, the bushing being within the liner with its end being outwardly flared, as a bell mouth, to completely confine the end of the liner between the bushing and pipe. An unvulcanized elastomeric liner, characterized by a slight increase in volume when vulcanized, is used with the liner portion between the pipe and liner producing a very tight fit due to such expansion.

REFERENCES:
patent: 215481 (1879-05-01), Rider
patent: 1872540 (1932-08-01), White
patent: 2195403 (1940-04-01), Bay
patent: 2445273 (1948-07-01), Kennedy
patent: 2700988 (1955-02-01), Smisko
patent: 2901024 (1959-08-01), Marsden
patent: 3228096 (1966-01-01), Albro
patent: 3298716 (1967-01-01), Taylor et al.
patent: 3399908 (1968-09-01), Kurtz
patent: 3516447 (1970-06-01), Pittman
patent: 3828823 (1974-08-01), Douglas

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