Apparatus and method for upsetting composite fasteners

Details Apparatus and method for upsetting composite fasteners Apparatus and method for upsetting composite fasteners

1991-04-08

1992-10-13

Eley, Timothy V.

Metal working

Method of mechanical manufacture

Assembling or joining

295251, 295252, 72 69, B21D 3900, B23F 1100

Patent

active

051539780

ABSTRACT:
A rotating anvil having a cavity in the shape of a desired upset head is urged against the tail of a composite fastener protruding through a workpiece and the tail is heated and deformed into an upset head sufficiently larger than the fastener shank to prevent the fastener from being withdrawn from the workpiece.

REFERENCES:
patent: 2510693 (1950-06-01), Green
patent: 3576067 (1971-04-01), Loyd et al.
patent: 4051592 (1977-10-01), Briles
patent: 4478544 (1984-10-01), Strand
patent: 4687394 (1987-08-01), Berecz
patent: 4687396 (1987-08-01), Berecz

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