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Parting blade and blade holder configured for conveyance of pressurized coolant

  • US 9,993,877 B2
  • Filed: 02/11/2013
  • Issued: 06/12/2018
  • Est. Priority Date: 03/06/2012
  • Status: Active Grant
First Claim
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1. A blade holder comprisinga blade seat comprising a holder connection surface and longitudinal jaws disposed on opposing sides of the holder connection surface, and a holder passageway configured for conveyance of coolant and comprising a coolant path extending therethrough from a holder inlet aperture to a holder outlet aperture formed at the holder connection surface;

  • the holder passageway comprises a preceding portion and a deceleration chamber closer than the preceding portion to the holder outlet aperture, and a transition region at which the preceding portion transforms into the deceleration chamber;

    in the preceding portion at the transition region, the holder passageway has a preceding portion cross-sectional area extending perpendicular to the coolant path,in the deceleration chamber at the transition region, the holder passageway has a deceleration chamber cross-sectional area extending perpendicular to the coolant path, wherein;

    the deceleration chamber comprises a barrier surface facing the coolant path of the preceding portion at the transition region;

    the holder connection surface is formed with a sealing element recess that surrounds the holder outlet aperture; and

    a sealing element is mounted in the sealing element recess.

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