Pipe joints or couplings – With assembly means or feature – Particular tool-engaging means or with tool
Patent
1997-09-15
1999-08-03
Nicholson, Eric K
Pipe joints or couplings
With assembly means or feature
Particular tool-engaging means or with tool
285278, 285280, 285282, F16L 2708
Patent
active
059315075
ABSTRACT:
A rotary joint for establishing fluid tight communication between a rotating drum and a heating or cooling medium such as steam or water wherein the joint includes a normally stationary body connected to supply or discharge conduits, and the body includes a rotating nipple coaxially threaded into the end of the drum. For ease of installation, maintenance and removal, the normally relatively rotatable body and nipple are selectively locked together to prevent relative rotation permitting rotation of the body to thread or unthread the nipple relative to the drum journal.
REFERENCES:
patent: 925959 (1909-06-01), Smith
patent: 1069146 (1913-08-01), Kennedy
patent: 1629650 (1927-05-01), Brauer
patent: 2414997 (1947-01-01), Atkins
patent: 2580626 (1952-01-01), Warren
patent: 2710204 (1955-06-01), Faith-ell
patent: 2751767 (1956-06-01), Hedden
patent: 2935338 (1960-05-01), Mills
patent: 3124373 (1964-03-01), Thomsen
patent: 4239262 (1980-12-01), Krupp et al.
Nicholson Eric K
The Johnson Corporation
LandOfFree
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