US 12,291,861 B2
Connection system
Greg Stephen Mason, Brisbane (AU); and Andrew McFarland, Brisbane (AU)
Assigned to Illinois Tool Works Inc., Glenview, IL (US)
Filed by Illinois Tool Works Inc., Glenview, IL (US)
Filed on Aug. 25, 2022, as Appl. No. 17/895,450.
Prior Publication US 2023/0068655 A1, Mar. 2, 2023
Int. Cl. E04B 1/41 (2006.01)
CPC E04B 1/4121 (2013.01) [E04B 1/4157 (2013.01); E04B 2001/4192 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A connection system for providing a construction joint between a first concrete component and a second concrete component, the connection system comprising:
a rebate former configured to form a rebate in the first concrete component, the rebate former including an elongated backing, the elongated backing including:
an internal surface,
an external surface, and
folded edges to a predefined depth,
wherein the rebate former is formed of sheet metal;
a securing plug including an external thread; and
an anchor including a body having a first end, a second end, and an internal thread,
wherein the internal thread of the anchor is configured to mate with the external thread of the securing plug,
wherein when the internal thread of the anchor mates with the external thread of the securing plug, the first end of the anchor engages the external surface of the elongated backing, and
wherein securing plug is removable from the anchor after the first concrete component is formed, and thereafter a reinforcing bar is receivable in the anchor and configured to reinforce the second concrete component.