Granted Patent B2

US 11,054,076 · App. 15/801,074 · Granted Jul 6, 2021

Inventors: Jacob D. Twaroski (Wattsburg, PA); Michael T. Benesh (Erie, PA)

Assignee: ZURN INDUSTRIES, LLC

F16L47/22B29C63/42B29C63/44B29D23/003B32B1/00F16L13/147F16L2013/145F16L2201/10

Abstract

Claims (6)

1. A compression collar for reinforcing an interference fit between a piping end and a fitting, the compression collar comprising: a reinforcing ring having a tubular geometry with a radially-inward facing surface and a radially-outward facing surface, the reinforcing ring configured to remain in place about the piping end after expansion of the compression collar due to expansion of the piping end; and a sleeve received around, at least in part, a portion of the radially-outward facing surface of the reinforcing ring and wrapping around one axial end of the reinforcing ring and extending radially inwardly beyond the radially-inward facing surface of the reinforcing ring to form a stop edge thereon, the sleeve including a perforation such that the sleeve is configured to tear upon expansion of the compression collar due to expansion of the piping end.

2. The compression collar of claim 1 , wherein the sleeve comprises a different material than the reinforcing ring.

3. The compression collar of claim 1 , wherein the sleeve comprises a polymeric material configured to shrink when exposed to heat.

4. The compression collar of claim 3 , wherein the polymeric material configured to shrink when exposed to heat is PVC.

5. The compression collar of claim 1 , wherein the sleeve comprises two perforations positioned parallel to one another.

6. The compression collar of claim 1 , wherein the reinforcing ring is at least one of polyolefin, cross-linked polyolefin, polyethylene, cross-linked polyethylene, PEX, PEX-a, PEX-b, PEX-c, and PERT.

Assignments (6)