Conduit structure

Details Conduit structure Conduit structure

1978-07-20

1981-01-20

Callaghan, Thomas F.

Pipe joints or couplings

Connector for conduit housing electromagnetic line:

Having box and connector

285234, 285286, 285351, 285423, F16L 502

Patent

active

042458587

ABSTRACT:
The conduit structure comprises an outer tubular housing having a tubular inner member disposed therein with a first end of the inner member being positioned in the medial portion of the outer housing and retained therein by means of an outwardly extending flared portion on the first end of the tubular inner member which is constrained between two longitudinally spaced inwardly extending annular projections formed on the inner surface of the outer housing. A resilient annular seal is provided between the outer surface of the tubular inner member and the inner surface of the medial portion of the outer housing. The tubular inner member extends from one end of the outer housing and a second resilient annular seal is provided between the tubular member and said end of the outer housing. The tubular inner member is adapted for longitudinal, radial and rotational movement relative to the outer housing. An alternate form of conduit joint provides a second tubular inner member having one end secured and sealed within the medial portion of the outer housing in the same manner as the first tubular inner member and having the opposite end thereof extending from the second end of the outer housing. The two embodiments of the conduit joint can be combined as a single conduit joint assembly. A method of constructing the conduit joint from synthetic organic polymeric thermoplastic material is also disclosed.

REFERENCES:
patent: 1363974 (1920-12-01), Heylman
patent: 1900561 (1933-03-01), Junggren
patent: 2136770 (1938-11-01), Witzermann
patent: 2467911 (1949-04-01), Reilly
patent: 2532773 (1950-12-01), Kellam
patent: 2656201 (1953-10-01), Swerdlow et al.
patent: 2956823 (1960-10-01), Benjamin, Jr. et al.
patent: 3198557 (1965-08-01), Portouw
patent: 3406444 (1968-10-01), Parker et al.
patent: 3475041 (1969-10-01), Mesko
patent: 3559730 (1971-02-01), Denjean
patent: 3807777 (1974-04-01), Larkin
patent: 3970333 (1976-07-01), Pelzer
patent: 4023831 (1977-05-01), Thompson

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