Structural joint

• US 10,711,410 B2
• Filed: 05/03/2019
• Issued: 07/14/2020
• Est. Priority Date: 02/27/2012
• Status: Active Grant

• Current Assignee: Hengelhoef Concrete Joints NV
• Original Assignee: Hengelhoef Concrete Joints NV
• Inventors: Meuwissen, Dirk, Klingeleers, Albert Charles, Winters, Rene Alice P.
• Primary Examiner(s): Walraed-Sullivan, Kyle J.
• Application Number:
  US16/402,528
• Publication Number:
  US 20190257040A1
• Time in Patent Office: 438 Days
• Field of Search: 404 61, 404 62, 5239602, 5239605
• CPC Class Codes: E01C 11/04 for cement concrete paving E01C9/001 takes precedence
• CPC Class Codes: E01C 11/08 Packing of metal E01C11/045 takes precedence
• CPC Class Codes: E01C 11/14 Dowel assembly ; Design or construction of reinforcements in the area of joints coupling devices for prefabricated units E01C5/005; combined with characteristic packings E01C11/08 - E01C11/12; removable holders E01C23/045
• CPC Class Codes: E01D 19/06 Arrangement, construction or bridging of expansion joints E01D19/005 takes precedence; in movable bridges E01D15/005 - E01D15/10; sealing joints not restricted to expansion joints for bridges E04B1/68
• CPC Class Codes: Y10T 403/21 Utilizing thermal characteristic, e.g. , expansion or contraction, etc.

Abstract

The present invention relates to an expansion joint to bridge an expansion gap between two parts of concrete slabs used in floor construction, especially in the manufacture of concrete floors such as for example in industrial floors. Such expansion joints are evidently required to take up the inevitable shrinkage process of the concrete and to assure that the floor elements can expand or contract such as for example occur by temperature fluctuations and resulting in a horizontal displacement of the floor panels vis-à-vis one another.

Claims

1. An expansion joint for bridging an expansion gap between two parts of concrete slabs used in floor construction, the expansion joint comprising at least one anchoring dowel to anchor the expansion joint in the concrete slabs;

wherein said at least one anchoring dowel bridges an upper portion and a lower portion of the expansion joint, at least one said anchoring dowel longitudinally extending over the full length of the expansion joint and meandering over the upper portion and the lower portion of said expansion joint, wherein said at least one anchoring dowel is a continuous bridging dowel directly connected at regular intervals at connection points to the upper portion and the lower portion of the expansion joint; and

wherein said at least one anchoring dowel has a V-shaped cross sectional front view and a V-shaped top view, created by a bend in the at least one anchoring dowel midway along the height of the at least one anchoring dowel.

2. The expansion joint of claim 1, wherein said connection points alternate between the upper portion and the lower portion of the expansion joint.