THREADED TENSIONING DEVICE
First Claim
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1. A component for use in a molten metal pump, the component comprising:
- an outer core constructed of graphite or ceramic;
a tension rod positioned at least partially inside the outer core, wherein the tension rod applies an axial compressive force to the outer core in order to make the outer core less susceptible to breakage; and
wherein the outer core has an interior wall and tension rod is secured in the component by a threaded connection between the tension rod and the interior wall.
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Abstract
A system for applying tension to a component for use in molten metal processing. Preferably, the component includes an outer core and at least one tension rod positioned partially within the outer core. The component is preferably elongated, such as a support post or an impeller shaft. The tension rod applies compression to the outer cover, which makes the outer cover more resistant to breakage if it strikes, or is stricken by, an object.
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Citations
14 Claims
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1. A component for use in a molten metal pump, the component comprising:
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an outer core constructed of graphite or ceramic; a tension rod positioned at least partially inside the outer core, wherein the tension rod applies an axial compressive force to the outer core in order to make the outer core less susceptible to breakage; and wherein the outer core has an interior wall and tension rod is secured in the component by a threaded connection between the tension rod and the interior wall. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification