US 11,885,138 B2
Control joint
Jeffrey F. Kersting, Cincinnati, OH (US)
Assigned to Clarkwestern Dietrich Building Systems LLC, West Chester, OH (US)
Filed by Clarkwestern Dietrich Building Systems LLC, West Chester, OH (US)
Filed on Nov. 11, 2021, as Appl. No. 17/523,993.
Claims priority of provisional application 63/112,925, filed on Nov. 12, 2020.
Prior Publication US 2022/0145640 A1, May 12, 2022
Int. Cl. E04F 13/06 (2006.01)
CPC E04F 13/06 (2013.01) [E04F 2013/066 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A control joint comprising:
a. a first flange and a second flange;
b. a flex portion positioned between the first flange and the second flange such that the flex portion extends from the first flange to the second flange;
c. a first leg, wherein the first leg comprises a first material, wherein the first leg extends from the first flange and comprises a first surface and a second surface, wherein the first surface and the second surface of the first leg face in opposite directions relative to each other; and
d. a first strip positioned on at least a portion of the first surface of the first leg, wherein the first strip comprises a second material, wherein the first material is different than the second material, wherein the first strip comprises a thickness that is measured in a direction perpendicular to a plane containing the first surface of the first leg and a height that is measured in a direction parallel to the plane containing the first surface, wherein the height of the first strip is greater than the thickness of the first strip.