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US 12,618,242 B2Granted
Control joint
AssigneeClarkwestern Dietrich Building Systems LLC
InventorJeffrey F. Kersting
Life of this patent
Estimating the term…
Abstract
One embodiment of a control joint includes a first flange, a second flange, a flex portion positioned between the first flange and the second flange, a first leg, and a first strip. The first leg extends from the first flange and includes an interior surface facing the flex portion. The first strip may be positioned on at least a portion of a surface of the first leg.
Claims13
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 comprises an interior surface facing the flex portion and the second surface comprises an exterior surface facing away from the flex portion;
- and
- d. a first strip positioned on at least a portion of the second surface of the first leg, wherein the first strip comprises a second material that is different than the first material, wherein the second material is intumescent tape, wherein the at least a portion of the second surface of the first leg on which the first strip is positioned extends perpendicularly relative to the first flange.
2 more elements
Dependencies are inferred from the claim text.