公开(公告)号：WO2023038975A1

公开(公告)日：2023-03-16

申请号：PCT/US2022/042760

申请日：2022-09-07

Applicant: HOWMET AEROSPACE INC.

Inventor： HAYLOCK, Luke ,  BALLS, Todd ,  HUANG, Junjie ,  GONZALEZ CAMPOS, David Jonathan

IPC: F16B13/06

Abstract: A system includes a fastener and a fastener installation tool. The fastener includes a sleeve having a tubular portion with an internal threaded portion having an internal thread, and a head. The head of the sleeve is configured to be installed in an accessible hole in a workpiece having a surface. The fastener includes a pin member having a threaded portion with an external thread. The pin member is disposed within the sleeve and the external thread of the pin member is configured to threadedly engage the internal thread of the sleeve. The fastener installation tool includes a nosepiece having a face configured to engage the head of the sleeve without the face contacting the surface of the workpiece.

公开(公告)号：WO2021257694A1

公开(公告)日：2021-12-23

申请号：PCT/US2021/037614

申请日：2021-06-16

Applicant: HOWMET AEROSPACE INC.

Inventor： HAYLOCK, Luke, L. ,  BALLS, Todd, A. ,  HUANG, Junjie

IPC: F16B13/06 ,  F16B19/10 ,  F16B5/02 ,  F16B13/12

Abstract: Fluid tight blind fasteners and methods tor fastening are provided. The sleeve comprises a first sleeve end comprising a first inner surface, a second sleeve end comprising a second inner surface, and an elongate portion extending from the first sleeve end to the second sleeve end. The first inner surface and the second inner surface define a sleeve cavity extending into the sleeve from the first sleeve end toward or to the second sleeve end. The pin is configured to be at least partially received by the sleeve cavity. The pin comprises a first pin end portion configured to receive a torque, a second pin end, and a shank extending from the first pin end portion to the second pin end. Tire shank comprises threads and the threads are configured to form threads on the second inner surface of the sleeve.