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US 5,830,300 AGranted
Method of ultrasonic welding for a resin case
AssigneeStar Micronics Co., Ltd.
InventorsKazushi Suzuki, Takahiro Sone, Hiroshi Fujinami
Life of this patent
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Abstract
A method of ultrasonic welding for a resin case in which an ultrasonic vibration is applied to the resin case in a direction parallel to the welding surface.
Claims5
A method of ultrasonic welding, comprising the steps of:
- providing a resin case used for an electroacoustic transducer having a coil therein, and applying ultrasonic vibration to said resin case in a direction parallel to a welding surface of said resin case, thereby minimizing the propagation of vibration to said coil during a welding process of said resin case.
Dependencies are inferred from the claim text.