High-strength blind rivet

Details High-strength blind rivet High-strength blind rivet

1979-09-24

1981-08-04

Britts, Ramon S.

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

Having separate expander means

Fluent pressure actuated

F16B 1912

Patent

active

042815819

ABSTRACT:
A novel blind rivet is provided wherein the blind head is upset by a pin driven from the exposed side into a core of soft metal contained by a closed tube end which is selectively thinned to result in controlled deformation due to the internal pressure created by compressing the soft core. The closed tube end upon expanding to a predetermined shape is transformed into the blind head.
This rivet offers high strength, leak-free joining. Consistant controlled snug fitting assembly is offered. The rivet is suited to installation by a tool that prevents forming loads from being transferred to the members being joined. Moreover, the rivet has lower weight and cost while providing a smoother exposed surface than prior art blind rivets.

REFERENCES:
patent: 2429239 (1947-10-01), Rogers
patent: 2438976 (1948-04-01), Lautmann
patent: 3534419 (1970-10-01), Deans et al.
patent: 3657955 (1972-04-01), McKay

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