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    • 84. 发明授权
    • Rotary ultrasonic apparatus and system
    • 旋转超声波仪器及系统
    • US5711847A
    • 1998-01-27
    • US453533
    • 1995-05-30
    • Gregory John RajalaThomas David Ehlert
    • Gregory John RajalaThomas David Ehlert
    • A61F13/15B26D3/08B26D7/08B29C65/00B29C65/08
    • B29C66/83511A61F13/15723B26D3/085B26D7/086B29C65/087B29C66/43B29C66/433B29C66/4722B29C66/73921B29C66/81427B29C66/83411B29C66/83415B29C66/934B29C66/93431B29C66/93441B29C66/93451B29C66/81463B29C66/8242B29C66/9241B29C66/92651B29C66/929B29C66/939B29C66/949B29C66/9516B29C66/9517B29L2031/4878Y10S83/956Y10T156/1082
    • This invention pertains to apparatus for processing workpieces, including effecting changes in the workpieces by applying ultrasonic energy to the workpieces using novel apparatus and steps for applying the ultrasonic energy to the workpieces. Specifically, an ultrasonic horn and anvil are used to apply ultrasonic energy in a limited amount, to effect change such as cutting in one layer of a workpiece without effecting a corresponding change in the other layers of the workpiece, although some change in the other layers may be tolerated and/or desired. A rotary horn and anvil are taught, with a protuberance on either the horn or the anvil. In use, the horn and anvil preferably rotate cooperatively in close proximity to each other at a nip, and apply pressure and corresponding ultrasonic energy to the workpiece only when the protuberance rotates into the nip, even though ultrasonic energy may be applied uniformly to the ultrasonic horn throughout the rotation of the protuberance. The workpieces may be presented to the horn/anvil combination as contained serially in a web of workpieces passing through the gap at a given speed; the speed of the protuberance being preferably substantially matched to the speed of the web while the protuberance is applying ultrasonic energy to a workpiece, but may differ from the speed of the web when the protuberance is not applying ultrasonic energy to a workpiece.
    • 本发明涉及用于处理工件的装置,包括通过使用新颖的装置和将超声能量施加到工件的步骤向工件施加超声能量来实现工件的变化。 具体地说,使用超声波喇叭和砧座来施加有限量的超声波能量,以在不影响工件的其它层的相应变化的情况下,在一个工件层中进行切割等变化,尽管其它层的一些变化 可以容忍和/或期望。 教导一个旋转喇叭和砧座,在喇叭或砧座上突起。 在使用中,喇叭和砧座优选在辊隙处彼此靠近地协同地旋转,并且只有当突起旋转到辊隙中时才将压力和相应的超声能量施加到工件,即使超声能量可以均匀地施加到超声波 喇叭整个旋转的突起。 工件可以呈现在喇叭/砧座组合中,其串联地包含在以给定速度穿过间隙的工件的腹板中; 突起的速度优选地基本上与幅材的速度匹配,同时突起对工件施加超声能量,但是当突起不向工件施加超声波能量时,可能不同于幅材的速度。