Self-aligning corner bead for fireproofing structural steel member and method of using same
View Patent ↗A self-aligning corner bead for fireproofing structural steel, having a strip of welded wire fabric cut to the appropriate width for the fireproofing thickness and bent longitudinally to form an obtuse V-shaped device is disclosed. A plastic nosing is installed along one edge. A method of finishing the corners for fireproofing of structural steel member using an improved corner bead includes the step of attaching the first wing of an obtuse V-shaped device through a lathe to the structural steel member utilizing pneumatic or screw type fasteners. The mesh structure of the second wing of the V-shaped device provides a dam to form a roughened surface on the first application of fireproofing material until it hardens.
1. A corner bead for fireproofing a member, comprising:
a welded wire fabric;
a longitudinal bend integrally formed in the welded wire fabric;
a first wing defined by the longitudinal bend;
a second wing defined by the longitudinal bend, extending away from the first wing;
an adjustable angle between the first wing and the second wing;
a fire proofing thickness defined by the adjustable angle along a set of adjacent corner sides of the member; and,
wherein the welded wire fabric is only fastened to the member at a fastening position on the first wing.
2. The corner bead of claim 1 , further comprising a substrate integrally formed in the second wing, opposite the longitudinal bend.
3. The corner bead of claim 2 , further comprising a nose formed by the substrate.
4. The corner bead of claim 1 , wherein the adjustable angle is in a range from greater than approximately 90 degrees to less than approximately 180 degrees.
5. The corner bead of claim 1 , wherein the welded wire fabric comprises:
a plurality of longitudinal ribs;
a plurality of transverse ribs arranged substantially perpendicular to the plurality of longitudinal ribs; and,
a plurality of voids defined by the plurality of longitudinal ribs and the plurality of transverse ribs.
6. The corner bead of claim 1 , wherein the first wing is a first flexible strip.
7. The corner bead of claim 1 , wherein the second wing is a second flexible strip.