Patent ID: 11885358
Assignee: HOWMET AEROSPACE INC.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 15:
16. A method for fastening, the method comprising:
inserting a first mandrel end of a blind fastener into a bore in a structure, the blind fastener comprising
a sleeve comprising
a first sleeve end,
a second sleeve end, and
a cavity extending from the first sleeve end to the second sleeve end, and

a mandrel configured to be at least partially received by the cavity of the sleeve, the mandrel comprising
a first mandrel end disposed adjacent to the first sleeve end and comprising an enlarged portion having a diameter greater than a diameter of the cavity,
a second mandrel end comprising a pull region, and
a shank region extending intermediate the first mandrel end and the second mandrel end,
wherein the pull region comprises an axial length no greater than 4 times a diameter of the shank region and is configured to be engaged by an installation tool;

engaging a collet of the installation tool with the pull region of the blind fastener;
after the inserting, forcibly contacting the second sleeve end of the blind fastener with an anvil of the installation tool and moving the pull region distal from the second sleeve end utilizing the collet of the installation tool; and
deforming the sleeve on a first side of the structure, and swaging the second sleeve end onto the shank region on an oppositely disposed second side of the structure, thereby securing at least a portion of the blind fastener in the structure.