F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 23/12 (2006.01) B65G 53/52 (2006.01) F16L 23/08 (2006.01) F16L 23/16 (2006.01)
Patent
CA 2200393
A connection of steel pipes for conveying solid materials, particularly for conveying gravel, includes radially directed coupling flanges which extend circumferentially at the ends of the steel pipes. The coupling flanges have receiving bores for the coupling bolts, wherein the receiving bores extend parallel to the longitudinal axes of the steel pipes and are arranged on a pitch circle. At least one wear ring is inserted between the end faces of the steel pipes which face each other. The wear ring is of a material which has a greater resistance to wear than the material of the steel pipes.
Cette invention concerne un moyen de raccordement de tuyaux d'acier servant à la manutention de matériaux solides, en particulier du gravier, moyen qui comprend des brides faisant saillie radialement autour des extrémités des tuyaux. Les brides de raccordement comportent, sur un cercle de perçage, des trous destinés à recevoir les boulons d'assemblage, l'axe des trous étant parallèle à l'axe longitudinal des tuyaux d'acier. Au moins un anneau d'usure est inséré entre les faces dressées des tuyaux à assembler, l'anneau d'usure étant fait d'un matériau plus résistant à l'abrasion que les tuyaux d'acier.
Esser-Werke Gmbh & Co. Kg
Fetherstonhaugh & Co.
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