Pipe joints or couplings – Nonmetal to metal – Internal member
Patent
1977-06-06
1979-12-18
Arola, Dave W.
Pipe joints or couplings
Nonmetal to metal
Internal member
285291, 285390, 285423, F16L 3300
Patent
active
041791428
ABSTRACT:
A pipe fitting is formed of a flexible body having a threaded coupling section at one end thereof. The coupling section has a portion integrally formed with the flexible body. A rigid shape-retaining portion is juxtaposed with the coupling section for enabling the coupling section dimensions to remain relatively constant when a member is secured to a threaded portion of the coupling section.
REFERENCES:
patent: 408600 (1889-08-01), Erickson
patent: 1895022 (1933-01-01), Chandler
patent: 2069141 (1937-01-01), Furlong
patent: 3224795 (1965-12-01), Conley
patent: 3614137 (1971-10-01), Jacobson
patent: 3843169 (1974-10-01), Wise
Arola Dave W.
Hertz Harvey S.
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