Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Bulged by axially contracting ends
Patent
1990-11-27
1993-06-15
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having separate expander means
Bulged by axially contracting ends
411 43, 411 55, 411107, 411183, F16B 1304, F16B 3900
Patent
active
052192520
ABSTRACT:
A fixing element for fixing in a through hole accessible only from one side comprises an upsettable sleeve with a flange-like end and an insert member which is disposed in the sleeve and which has a flange-like head, the outside diameter of which is substantially equal to the outside diameter of the sleeve, with the underside of the head of the insert member being connected to the adjoining end face of the sleeve by direct contact therewith for the transmission of pressure therebetween, The sleeve can be deformed to produce a bead-like configuration by a axial pulling from applied to the insert member. There is a material bonding connection such as spot welds between the outer periphery of the insert member and the inner periphery of the sleeve in the end region thereof. In the region of the connection the sleeve comprises a round shank portion while in its deformable region it has a portion of polygonal section.
REFERENCES:
patent: 2435144 (1948-01-01), Kubicki
patent: 2887926 (1959-05-01), Edwards
patent: 3304830 (1967-02-01), Shackelford
patent: 4036098 (1977-07-01), Schruff
patent: 4182216 (1980-01-01), DeCaro
patent: 4717612 (1988-01-01), Shackelford
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