Papermaking vacuum press roll

Papermaking vacuum press roll

  • CN 202,809,375 U
  • Filed: 10/10/2012
  • Issued: 03/20/2013
  • Est. Priority Date: 10/10/2012
  • Status: Active Grant
First Claim
Patent Images

1. papermaking suction press roll, comprise roll body and be located at left roll shaft and the right roll shaft at two ends, the roll body left and right sides, described roll body is comprised of metallic roll body and the extruded layer of being located at metallic roll body circumferential outer surface, described metallic roll body has inner chamber, be provided with vacuum chamber in the described inner chamber, described extruded layer surface is evenly equipped with the squeezing hole that connects the metallic roll body surface, it is characterized in that:

  • the position of respectively squeezing the hole of staggering, described extruded layer surface also is evenly equipped with the dehydration blind hole, and the degree of depth of described dehydration blind hole is less than the thickness of extruded layer.

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