Non-bottom support conical ring

Non-bottom support conical ring

  • CN 201,232,102 Y
  • Filed: 06/30/2008
  • Issued: 05/06/2009
  • Est. Priority Date: 06/30/2008
  • Status: Active Grant
First Claim
Patent Images

1. no lower support Conical rings, the cross section of rings body sidewall (15) includes outer track, inner track, wherein, outer track is made of inner concave curve (1), convex outer curve (2), inner track is made of primary runway curve (3), middle aiding support face straight line (4) and the upper support face straight line (5) by the tensile property design, it is characterized in that:

  • on inner track, also be provided with non-lower support surface shape, the below of aiding support face straight line (4) in the middle of this non-lower support surface shape is positioned at.

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