Self-drilling blind setting rivet

Details Self-drilling blind setting rivet Self-drilling blind setting rivet

1999-07-01

2000-05-23

Saether, Flemming

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Having separate expander means

With hole forming means

411 55, F16B 1304

Patent

active

060659181

ABSTRACT:
A self-drilling rivet for joining two substrate layers has a hollow sleeve member having a circular cylindrical outer surface, a divergently tapered bore, and an outwardly expandable portion. An internal member has a head portion, a threaded shaft centered within the bore, and a drilling tip extending from the threaded shaft. A wedge member interactive with the threaded shaft can be urged by turning force toward the head portion, whereby retaining wings form from the expandable portion, and are brought to bear against one of the substrate layers.

REFERENCES:
patent: 2435876 (1948-02-01), De Swart
patent: 4617692 (1986-10-01), Bond
patent: 4920833 (1990-05-01), Rosenthal

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