HOT AIR FURNACE LATTICED BRICK FOR COMPOSING HORIZONTAL CHANNEL

HOT AIR FURNACE LATTICED BRICK FOR COMPOSING HORIZONTAL CHANNEL

  • CN 2,055,922 U
  • Filed: 08/28/1988
  • Issued: 04/11/1990
  • Est. Priority Date: 08/28/1988
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of stove fillings, it is characterized in that, there is the fin (1) on the both direction in length and breadth the upper surface, there is the groove (2) on the both direction in length and breadth the lower surface, fin (1) is just corresponding one by one with the position of groove (2), and promptly its center line coincides or approaching the coincidence, and the cross-sectional area of fin (1) is less than groove (2) cross-sectional area, when brick contacts with the brick end face, just form the mother-son mouth interlock, and form the horizontal channel.

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