Pipe joints or couplings – Flexible joint – rigid members – Bellows
285229, F16L 2710, F16L 5102
An elastic pipe-connecting component for pipes or pipelines or the like, comprises an elastic sleeve with flanges at each end and an annular expansion bulge in its midportion. In its undeformed condition, there is a cylindrical section on each side of the bulge, between the bulge and the portion of the component that is clamped to the pipe or pipeline. These exposed cylindrical portions are adapted to expand outwardly, to form two additional bulges, upon the imposition of pressure. To this end, they are reinforced with fibers of glass or steel or high strength synthetic, which are disposed at an angle to the axis of the component, of less than 55.degree.. A desirably long component is thus provided, from a minimum of material.
patent: 2650113 (1953-08-01), Brace
patent: 3087745 (1963-04-01), Rumbell
patent: 3359014 (1967-12-01), Clements
patent: 3511061 (1970-05-01), Burckhardt
patent: 3666296 (1972-05-01), Fischetti
patent: 3979142 (1976-09-01), Fujisawa
Pietruszka Carl F.
Taurus Gumiipari Vallalat
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