F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
285/41
F16L 27/08 (2006.01)
Patent
CA 2027912
A rotating joint for tiltable metallurgical furnaces includes first and second flanges fixedly secured respectively to a furnace which points about an axis of rotation and to an outlet launder. The adjacent flanges extend radially from the axis of rotation and face each other. The second flange includes a series of equidistant and similar arcuate slots distributed near the periphery thereof about the axis of rotation. A corresponding hole is defined in the first flange for each of the arcuate slots. A tie rod which extends through the first and second flanges and through a seal gasket provided therebetween includes at the end thereof protruding from the stationary second flange a pair of coaxial rollers which are rotatably mounted on a pin fixedly secured to the tie rod in order that the common axis of the rollers is, parallel to a radius of the stationary second flange. The end of the tie rod protruding outwards of the rotating first flange is threaded to receive a nu-t for tightly attaching the two flanges together with the pairs of rollers bearing against the stationary second flange on each side of the arcuate slot. Therefore, upon rotation of the furnace, the first flange rotates thereby causing the tie rods to displace along respective arcuate slots with the rollers rolling on the stationary second flange while keeping a constant pressure on the flanges to maintain the seal. This allows a free motion of the furnace tilt while providing a reliable and durable seal against infiltration and leaking while molten metal flows through the rotating joint.
Ogilvy Renault
Societe Canadienne de Metaux Reynolds Limitee
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