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    • 3. 发明申请
    • シート溶着機
    • 表面焊接机
    • WO2002060675A1
    • 2002-08-08
    • PCT/JP2001/000572
    • 2001-01-29
    • 日本管工株式会社伊東寛治
    • 伊東寛治
    • B29C65/18
    • B29C66/1122B29C65/20B29C65/82B29C65/8246B29C66/232B29C66/3494B29C66/43B29C66/71B29C66/81423B29C66/81431B29C66/8362B29C66/86523B29C66/91421B29C66/91645B29C66/91931B29C66/929B29C66/93431B29C66/93451B29K2027/06
    • A sheet welding machine comprising a wedge-shaped heater adapted to be put in heat-transmission contact with the edges of upper and lower sheets for thermally melting the edge, and a pair of upper and lower pressure rollers disposed in the proximity of the converging portion of the heater, wherein two sheets are continuously welded along their edges by the heater and pressure rollers. The sheet welding machine has a compressed air delivery pipe connected to a compressed air source, the delivery pipe projecting from the converging portion at the middle of the heater in the direction of travel of sheets. The front end of the delivery pipe extends through the nip between the pressure rollers and delivers compressed air forwardly of the direction of travel of sheets. The edges of the overlapping sheets are formed with two rows of continuous weld bands and are welded together. At the same time, a channel filled with compressed air is formed between the right and left weld bands. According to this welding machine, since welding can be accomplished while detecting leakage of air from the channel during welding, it is possible to specify defective welds and make repairs or the like immediately after occurrence of such defective welds.
    • 一种片焊机,包括楔形加热器,其适于与上片和下片的边缘进行热传递接触,用于热熔边缘;以及一对上压辊和下压辊,设置在会聚部分附近 的加热器,其中两个片材通过加热器和加压辊沿其边缘连续焊接。 片材焊接机具有连接到压缩空气源的压缩空气输送管,输送管从加热器中间的会聚部分沿片材的行进方向突出。 输送管的前端延伸穿过压力辊之间的辊隙,并向片材的行进方向向前输送压缩空气。 重叠片材的边缘形成有两排连续的焊接带,并焊接在一起。 同时,在左右焊缝之间形成有填充有压缩空气的通道。 根据该焊接机,由于能够在焊接时检测出来自通道的空气泄漏的情况下进行焊接,所以可以在出现这种有缺陷的焊接之后立即指定有缺陷的焊接和修理等。