Expandable, resin filled fastener, fastener system, and method for composite structures |
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| 申请号 | US15141643 | 申请日 | 2016-04-28 | 公开(公告)号 | US10087975B2 | 公开(公告)日 | 2018-10-02 |
| 申请人 | The Boeing Company; | 发明人 | Quynhgiao N. Le; Robert B. Greegor; Brent A. Whiting; | ||||
| 摘要 | A fastener for improved electrical contact with a composite structure and improved distribution of electric current to the composite structure. The fastener includes an elongated shaft having a first end with a head portion, a second end with a threaded portion, and a shaft body therebetween. At least one feed channel extends from an opening at the threaded portion, through the shaft body, and terminates proximal to the head portion. The shaft body radially expands upon pressure injection of a resin filler into the feed channel, when the fastener is installed in a corresponding fastener hole formed in the composite structure. Upon radially expanding, the outer surface of the shaft body makes contact with an inner hole surface of the corresponding fastener hole, resulting in the fastener providing electrical contact with the composite structure and providing distribution of electric current. | ||||||
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| 说明书全文 | |||||||
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