公开(公告)号：US20240165693A1

公开(公告)日：2024-05-23

申请号：US18552460

申请日：2021-04-09

Applicant: HOWMET AEROSPACE INC.

Inventor： Amuad Brunet

IPC: B21J15/02 ,  B21J15/28 ,  F16B5/04 ,  F16B19/05

CPC classification number: B21J15/022 ,  B21J15/285 ,  F16B5/04 ,  F16B19/05

Abstract: Multi-piece fasteners, multi-piece fastener installation apparatus, and methods of fastening are provided. The multi-piece fastener comprises a fastening collar and a pin. The fastening collar comprises a first collar end and a second collar end. A collar cavity extends from the first collar end to the second collar end. The pin is configured to be at least partially received by the collar cavity. The pin comprises a first pin end, a second pin end, and a shank extending intermediate the first pin end and the second pin end. The shank comprises a plurality of structural features. A first feature of the plurality of structural features has a first configuration and the second feature of the plurality of structural features has a second configuration. The first configuration and the second configuration differ.