发明授权
US09435471B1 Pipe joint gasket and method of making same 有权
管接头垫片及其制作方法

Pipe joint gasket and method of making same
摘要:
A pipe gasket including a compressible body having a heel portion and a sealing portion and a plurality of metal segments at least partially embedded in the compressible body and circumferentially spaced therein. Each of the metal segments includes a compression arm extending within the sealing portion and radially outward and away from the heel portion, a rounded nose portion extending within the heel portion and an acutely pointed tooth extending radially inward from a segment portion located between the compression arm and the nose portion. The compression arm extends radially outward within the gasket from a point located proximal to the tip of the tooth to a point within the sealing portion that is distal to the tip of the tooth. This arrangement provides for leveraging of the radial forces created by the compression of the sealing portion between the spigot end and the bell end to increase the radially inward force applied by the tooth on the spigot end.
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