Diffusion bonded fastener assembly
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United States of America Patent
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app pub date -
Dec 27, 2017
filing date -
Jun 2, 2015
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Abstract
A fastener assembly includes a bolt having a shaft and a head. The shaft has proximal and distal shaft ends and a shaft body, with the head at the proximal shaft end. At least a bondable portion of the shaft body is at least partially made of a bondable material. At least one collar has proximal and distal collar ends longitudinally separated by a collar body which includes a longitudinally oriented collar aperture extending through a thickness thereof between proximal and distal collar surfaces. The collar aperture defines an inner collar wall having a bondable portion which is at least partially made of a bondable material. At least the bondable portion of the shaft body is located inside the collar aperture. The bondable material of both of the inner collar wall and the shaft body is activated to bond the shaft and the collar into an integral fastener assembly structure.
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