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ROTARY DEGASSERS AND COMPONENTS THEREFOR

  • US 20170082368A1
  • Filed: 12/06/2016
  • Published: 03/23/2017
  • Est. Priority Date: 08/07/2009
  • Status: Active Grant
First Claim
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1. A shaft that cannot be threadingly connected to a corresponding coupling for use in a rotary degasser, the shaft comprising:

  • a first end, a second end, an outer sidewall, a center portion between the first end and the second end, and an inner passage for transferring gas, wherein the first end is tapered and not threaded, and one or more grooves that are not threads formed adjacent the tapered first end between the center portion and the tapered first end;

    wherein the shaft is configured to be received in the corresponding coupling so that the tapered first end mates with an inner tapered portion in the coupling, and one or more retainers are received in the coupling such that each is positioned to be pressed against one of the one or more grooves, in order to apply driving force from the coupling to the shaft.

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