Apparatus for ultrasonically bonding endcaps to a container of d

Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With electrical controls

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156 64, 156 731, 156378, 1565802, 533749, B31B 164

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active

051835231

ABSTRACT:
A method and apparatus are provided for ultrasonically bonding endcaps to a food or tobacco product container comprised of a material dissimilar from the endcaps. Ultrasonic vibration is applied to the joint between the container and the endcaps, which includes a strip of preapplied adhesive, so that the adhesive partially melts. The partially melted adhesive quickly resolidifies, providing a durable bond without the disadvantageous and time consuming use of wet glues. The apparatus includes a pair of opposingly mounted ultrasonic devices, a controller associated with each ultrasonic device, and a general purpose computer programmed to synchronize and mointor the controllers.

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