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    • 84. 发明专利
    • ES2105023T3
    • 1997-10-16
    • ES93114376
    • 1993-09-08
    • WEIL HANS ANDREAS
    • WEIL HANS ANDREAS
    • F16L27/093F16L27/00F16L27/08F16L27/087
    • The rotary lead-through comprises two pipelines (1 and 2) which can rotate relative to one another and between which there is located a rotation body (3) which, via spherical surface regions and mating surfaces in tangential contact, is in rotary and sealing frictional contact with the pipelines. The rotation body is a sleeve (3) with a casing surface (4) which is spherical, preferably equatorial and in the form of a spherical zone, and which is supported, by said casing surface, between conical annular surfaces (7 and 8) which are in tangential contact, are axially delimited by inner shoulders (5 and 6, respectively) and are located on the pipelines (1, 2). At least one sliding cam (9), which acts on an end surface of the sleeve (3) and is located on one inner shoulder (5 or 6), forces the sleeve (3) into an oblique position until it butts against the other inner shoulder (6 or 5, respectively).