Armstrong World Industries, Inc.
MULTI-FEATURED PANEL FASTENER AND PANEL SYSTEM INCLUDING THE MULTI-FEATURED PANEL FASTENER
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Abstract:
A panel fastener is provided that has a head having a first surface and a second surface opposite the first surface; an engagement feature on the first surface of the head, the engagement feature being configured to be engaged by a driving tool; a shank extending from the second surface of the head; a threaded portion extending from the shank, the threaded portion having first and second helical threads arranged in an intertwined manner; the first thread extending farther radially from the central axis than does the second thread; and the shank being located between the head and the threaded portion.
Status:
Application
Type:
Utility
Filling date:
5 Apr 2021
Issue date:
22 Jul 2021