Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1988-02-22
1989-03-28
Eley, Timothy V.
Metal working
Method of mechanical manufacture
Assembling or joining
295221, 295262, 2924353, 72354, 173128, 173133, 227 61, 227 62, 227152, 411501, B23D 1100
Patent
active
048151939
ABSTRACT:
A tubular sleeve clamps the work during a drilling step, following which a tubular anvil moves within the sleeve to support the work while a rivet is thrust into the work with an interference fit. The tubular anvil is then withdrawn and moved with an anvil pin to form an upset head. If desired, the pin can then be retracted, and the outer portion of the upset head partially sheared by the tubular anvil and flattened against the work.
REFERENCES:
patent: 4610072 (1986-09-01), Muller
patent: 4688317 (1987-08-01), Matuschek
patent: 4716755 (1988-01-01), Bulso, Jr. et al.
Cherry Division of Textron, Inc.
Chin Frances
Eley Timothy V.
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