Patent ID: 11959504
Assignee: HOWMET AEROSPACE INC.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 17:
18. A method for fastening, the method comprising:
inserting a second sleeve end of a sleeve of a self-forming thread blind fastener into a bore in a structure, the blind fastener comprising:
the sleeve comprising
a first sleeve end,
the second sleeve end,
an elongate portion extending from the first sleeve end to the second sleeve end, and
an inner wall extending longitudinally through the sleeve from the first sleeve end to the second sleeve end and the inner wall defining a bore; and

a pin configured to be at least partially received by the bore and comprising
a first pin end,
a second pin end,
a pin head portion adjacent to the second pin end and configured to inhibit the pin head portion from passing into the bore,
an at least partially threaded portion,
a shank intermediate the pin head portion and the at least partially threaded portion, and
a driving portion adjacent to the first pin end;

forcibly contacting the at least partially threaded portion of the pin with the inner wall of the sleeve, thereby deforming the inner wall and forming threads thereon; and
deforming the elongate portion of the sleeve to form a bulb thereon.