Pipe joints or couplings – With fluid pressure seal – With external pressure supply
Patent
1990-07-13
1992-07-28
Reese, Randolph A.
Pipe joints or couplings
With fluid pressure seal
With external pressure supply
285187, 285294, 285423, 285911, 222590, 277 72R, F16L 4900
Patent
active
051335778
ABSTRACT:
A refractory pipeline having ceramic pipe sections with joints therebetween located at areas where in which there are the greatest temperature differences in the pipeline. Adjacent pipe sections are connected together by shoulders at the ends of each such section, the shoulder of one pipe section being radially outside the shoulder of an adjacent section. A further pipe section is pushed over the joint so as to form a gastight seal by defining a space in communication with a borehole through the one shoulder and a peripheral groove in the other shoulder. A pressure cushion is provided in the space by applying a barrier medium under pressure to the space and thereby through the borehole to the peripheral groove.
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Schindler Stefan
Schultze Werner
Aberle Timothy
Reese Randolph A.
Vereinigte Aluminium-Werke Aktiengesellschaft
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