Explosive assisted expanding fastener

Details Explosive assisted expanding fastener Explosive assisted expanding fastener

2006-03-07

2006-03-07

Mitchell, Katherine (Department: 3677)

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

Having separate expander means

Fluent pressure actuated

C411S501000, C411S508000, C411S440000, C411S019000

Reexamination Certificate

active

07008157

ABSTRACT:
An explosive assisted fastener for joining steel framing members. The fastener is comprised of an integrally formed member having a head section, a stem section and a tip section, such that the head section is disposed at a first end of the stem section and adapted to be linearly driven by a driving device into the framing members, and the tip section is disposed at a distal second end of the stem section and adapted to penetrate the framing members. The fastener further includes an explosive material embedded in the tip section of the fastener. In operation, the fastener is driven through the framing members until the head section of the fastener seats against an outer surface of the framing members. Once driven into place, the explosive material residing in the fastener is detonated, thereby radially expanding the tip section of the fastener and preventing removal of the fastener from the framing members.

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