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公开(公告)号：US20240026914A1
公开(公告)日：2024-01-25
申请号：US18256571
申请日：2021-12-14
Applicant: HOWMET AEROSPACE INC.
Inventor： Oviedo ARCINIEGA
Abstract: The present disclosure relates to fastening collars, multi-piece fasteners, and methods for fastening. A fastening collar comprises a first collar end, a second collar end, and an elongate portion intermediate the first collar end and the second collar end and defining a longitudinal axis of the fastening collar. The elongate portion comprises a first region adjacent the first collar end, extending a first distance along the longitudinal axis; a second region adjacent to the second collar end, extending a second distance along the longitudinal axis, and comprising a flange; and an inner collar surface defining collar cavity extending through the elongate portion from the first collar end to the second collar end. The second collar end extends away from the longitudinal axis of the elongate portion at a first angle offset from an angle perpendicular to the longitudinal axis of the elongate portion.
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公开(公告)号：US20210025434A1
公开(公告)日：2021-01-28
申请号：US16967913
申请日：2018-05-21
Applicant: Howmet Aerospace Inc.
Inventor： Oviedo ARCINIEGA
Abstract: A fastener and a method of fastening are provided. The fastener can comprise a first end, an oppositely disposed second end, and an elongate portion intermediate the first end and the second end. The elongate portion comprises a first region adjacent to the first end and a second region adjacent to the second end. The first region extends a distance along the elongate portion and has a first diameter. The second region extends a distance along the elongate portion and has a second diameter different from the first diameter. The fastener comprises a transition zone which extends a distance along the elongate portion and connects the first region and the second region. The transition zone comprises a radiused region and a taper region.
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