Patent ID: 6220635
Filing Date: 2001-04-24
Classification: F16L,Y10S

Abstract:
A pipe assembly, comprising:a first pipeline element (2) having a straight spigot (1);a counter flange (11) provided around the straight spigot (1) and having a reaction surface (27, 27A) that faces toward the straight spigot;a second pipeline element (4) having a flange (3);a tightening element connecting the counter flange (11) and the second pipeline element (4) together, and operative to move the counter flange (11) toward the second pipeline element (4); andan elastomer gasket havingi) a support body (15) having an exterior radial surface (22) for bearing against the reaction surface (27, 27A) of the counter flange (11), and an interior radial surface (18) for bearing against an exterior radial surface (20) of the straight spigot (1), andii) a support heel (16) having a forward extremity surface (31) for bearing against the flange (3);wherein the support body (15) is provided with at least one recess (26, 35, 40, 41, 55) for the expansion of the elastomer gasket, and the elastomer gasket includes means for limiting the exterior radial expansion of the heel (16).