Apparatus for mounting a pipe in an opening in a pressure vessel

Details Apparatus for mounting a pipe in an opening in a pressure vessel Apparatus for mounting a pipe in an opening in a pressure vessel

1980-03-18

1982-05-11

Little, Willis

Pipes and tubular conduits

With closures and plugs

Inflation stem type

138 90, F16L 5510

Patent

active

043288375

ABSTRACT:
To facilitate the testing of a fluid-containing system while the system is pressurized, using a method which includes stabbing a testing apparatus into an access opening of the system and sealingly securing the apparatus in the opening, the invention provides an improved testing apparatus which can be easily removably sealingly mounted in a sizeable range of opening diameters, without a need for repetitive tentative installation, removal adjustment and reinstallation steps, and without placing unbalanced bending stress on the perimeter of the opening. On this apparatus, the plug-like closure body is conically tapered, so that it can form a ring of initial engagement with the inner perimeter of the access opening over a wide range of access opening diameters by making such engagement at a variable level along the length of the plug-like closure body; an adjustment feature is provided on the outside, so that the degree of compression can be adjusted from the outside while the device remains lightly pressed into the access opening, preventing the escape of vapor, fumes, boiling liquid, or the like; and final installation is accomplished by pivotally pressing down two diametrically opposed eccentric levers, thus counter-balancing the torquing moment each lever exerts on the rim of the access opening.

REFERENCES:
patent: 2155491 (1939-04-01), Jacobs
patent: 2315538 (1943-04-01), Moeller
patent: 2607370 (1952-08-01), Anderson
patent: 3006680 (1961-10-01), Gregory

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