Pipe joints or couplings – Packed – Wedge
Patent
1977-04-27
1978-11-28
Callaghan, Thomas F.
Pipe joints or couplings
Packed
Wedge
285374, 285421, F16L 2106
Patent
active
041272900
ABSTRACT:
A spigot and socket joint includes an annular locking member surrounding the spigot member, an annular part surrounding the locking member and a clamping collar engaging radial flanges on the annular part and on the socket member to hold the annular part against the locking member. The locking member can be releasably clamped to the spigot member or a stop can be secured to the circumference of the spigot member to limit axial movement of the locking member toward the socket member.
REFERENCES:
patent: 2479058 (1949-08-01), Botting
patent: 2755109 (1956-07-01), Risley
patent: 2973977 (1961-03-01), Stovall
patent: 3594023 (1971-07-01), Yano
patent: 3698744 (1972-10-01), Bevington
patent: 3899183 (1975-08-01), Wild et al.
Callaghan Thomas F.
Tiroler Rohren- und Metallwerke Aktiengesellschaft Hall in Tirol
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