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    • 24. 发明申请
    • SELF-ADHESIVE PURGE DAM FOR RETAINING PURGE GAS AROUND A WELD ZONE
    • 用于保持焊接区域内的纯净气体的自粘泵
    • WO2005107995A1
    • 2005-11-17
    • PCT/US2005/015226
    • 2005-05-03
    • AQUASOL CORPORATIONHACIKYAN, Michael
    • HACIKYAN, Michael
    • B23K20/14
    • B23K9/32B23K9/326Y10T428/14Y10T428/1471Y10T428/1476Y10T428/149Y10T428/15Y10T428/24174
    • A self-adhesive purge dam for retaining purge gas around a weld zone includes a base configured to substantially obstruct an air passage leading to the weld zone and an adhesive skirt extending from the base and configured to engage portions of the air passage. An adhesive on the adhesive skirt allows the skirt to be adhered to the air passage. An optional removable backing covers the adhesive prior to installation. The adhesive skirt is deployable from a stowed position wherein the adhesive is generally disposed in an interior portion of the purge dam to an installation position wherein the adhesive can be pressed against a surface to which the purge dam is to be adhered. The purge dam can be installed by inserting it in the air passage with the adhesive skirt in the stowed position, removing the removable backing prior to or after insertion in the air passage, exposing the adhesive, and deploying the skirt to the installation position for adhesion.
    • 用于将吹扫气体保持在焊接区域周围的自粘清洗坝包括基部,其被构造成基本上阻塞通向焊接区的空气通道和从基部延伸并且被配置为接合空气通道的部分的粘合剂裙部。 粘合剂裙部上的粘合剂允许裙部粘附到空气通道。 可选的可拆卸背衬在安装之前覆盖粘合剂。 粘合剂裙部可以从收起位置展开,其中粘合剂通常设置在净化水坝的内部部分到安装位置,其中粘合剂可以压靠在清洗坝被粘附到的表面上。 净化水坝可以通过将其插入空气通道中而将粘合剂裙部插入收纳位置,在插入空气通道之前或之后移除可移除的背衬,暴露粘合剂并将裙部展开到安装位置以进行粘附 。