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    • 4. 发明授权
    • Ultrasonic bonding process
    • 超声波接合工艺
    • US4311540A
    • 1982-01-19
    • US145833
    • 1980-05-01
    • Berlie R. Hill
    • Berlie R. Hill
    • B29C65/00B29C65/08D04H1/54B32B31/16
    • B29C66/83411B29C65/086B29C66/00441B29C66/034B29C66/45B29C66/7294B29C66/73921B29C66/81433D04H1/541D04H1/55D04H1/555B29C66/0046B29C66/43B29C66/71B29C66/83511B29K2105/0854
    • A method and apparatus are provided for the bonding of web fibers together ultrasonically. A patterned roll anvil, or the equivalent, and a horn of an ultrasonic welding machine are constructed especially for producing a nonwoven fabric from a batt of random loose ultrasonically fusible fibers. The patterned roll anvil has raised portions formed thereon spaced from each other in a direction perpendicular to the axis of rotation of the roller a distance A. The horn face is constructed so that when disposed in operative association with the anvil roller parallel to the axis of rotation of the roller, the horn face has a dimension X perpendicular to the axis of rotation of the roller that is less than 2A. In forming fabric from batts having a weight 3 ounces per square yard or less, a carrier of flexible sheet material, such as tissue paper, is passed with the batt in face to face abutting relationship, between the horn and anvil while continuously supplying ultrasonic energy to the batt with the machine sufficient to form the batt into a nonwoven fabric.
    • 提供了一种用于将纤维网纤维超声波接合的方法和装置。 特别是构建了一种超声波焊接机的图形辊砧或等效物和喇叭,用于从随机松散的超声波熔敷纤维的毡制造非织造织物。 图案化的辊砧具有在垂直于辊的旋转轴线的方向上彼此间隔开的距离A上形成的凸起部分。喇叭表面被构造成使得当与砧辊可操作地相关联地平行于 滚筒的旋转,喇叭表面具有垂直于滚子的旋转轴线的尺寸X小于2A。 在以每平方码3盎司重量的絮片形成织物的情况下,将柔性片材(例如薄纸)的载体与毛毯一起以面对面的关系通过,在喇叭和砧座之间连续地供应超声波能量 使用足以将絮垫形成无纺织物的机器的絮垫。