Japan, Sept. 16 -- NAKANIHON ROKOGYO KK,DAIDO DM SOLUTION CO LTD has got intellectual property rights for 'HEAT TREATMENT FURNACE.' Other related details are as follows:
Application Number: JP,2024-145763
Category (FI): F27B17/00@B,F27D9/00
Stage: PROBLEM TO BE SOLVED: To provide a heat treatment furnace capable of suppressing variation in flow velocity of a cooling gas in a treatment chamber during gas cooling.SOLUTION: This heat treatment furnace 1 is provided with a treatment chamber 4 partitioned and formed by a heat insulating wall 16 and storing a workpiece W, and a cooling means 8 cooling the workpiece W by circulating a cooling gas into the treatment chamber 4 through a pair of gas vent parts 17A and 17B formed in the heat insulating walls 16a and 16b opposed to the treatment chamber 4. The heat treatment furnace 1 is further provided with a straightening plate 4 which is installed in the gas vent parts 17A and 17B and forms a plurality of individual openings 46 in the gas vent parts 17A and 17B, and when the longitudinal direction width of the gas vent parts 17A and 17B is L and the lateral direction width is S, the opening ratio of a central region 47 in which the longitudinal direction dimensions of the gas vent parts 17A and 17B are 1/2L and the lateral direction dimensions are 1/3S is within a range of 0.1 to 0.85 with respect to the opening ratio in other regions 48 excluding the central region 47.SELECTED DRAWING: Figure 1 (Grant)
Filing Date: Aug. 27, 2024
Publication Date: March 11
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
Disclaimer: Curated by HT Syndication.
