METHOD AND APPARATUS FOR WELDING POUR PLUG,申请号JP19940118708-传众专利搜索

METHOD AND APPARATUS FOR WELDING POUR PLUG

申请公布号：JPH07323478(A)

申请号：JP19940118708

申请日期：1994.05.31

申请公布日期：1995.12.12

申请人：

SUMITOMO BAKELITE CO LTD

发明人：NOGUCHI YASUO;KATAYAMA MITSUHARU

分类号：B65D33/38;B29C65/08;B29L31/26;B65D75/58;(IPC1-7):B29C65/08

主分类号：B65D33/38

摘要：<p>PURPOSE:To certainly seal a pour plug even when impurities are present on a seal surface while shortening a seal time by driving an ultrasonic actuator and an anvil opposed to each other on the axial line crossing the seal surface at a right angle in mutually synchronous relationship so as to open and close both of them to weld pour plug. CONSTITUTION:When a pour plug 1 is subjected to ultrasonic sealing after a packaging bag 7 is packed with a filler, an ultrasonic actuator 16 is oscillated before a horn 20 is brought into contact with a part 28 to be sealed and, by bringing the work end 21 of the horn 20 subjected to ultrasonic vibration into contact with the part 28 to be sealed under pressure, the ship-shaped flange 5 of a pour plug main body 2 and the seal layer applied to the inner surface of the packaging bag 7 are mechanically vibrated at high speed under ultrasonic frequency to be welded by friction heat and molecular heat. This mechanical high speed vibration is also propagated to the pour plug main body 2 and the ship-shaped flange 5 and the seal layer on the inner surface of the packaging bag 7 on the side brought into contact with the receiving part 24 of an anvil 17 under pressure are also subjected to mechanical high speed vibration at the same time to be welded by friction heat and molecular heat.</p>