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US 7,837,238 B2Granted
Pipe grip ring
AssigneeKrausz Industries Development Ltd.
InventorsEliezer Krausz, Avi Chiproot
Life of this patent
Estimating the term…
Abstract
A grip element comprising a wedge-like structure supporting a metal plate, the exposed outer surface thereof being provided with an array of large and small gripping teeth. The large teeth project from the surface of said metal plate further than said small teeth. The invention further provides a grip element having a floor. The grip elements may be disposed around a ring for the purpose of pipe gripping. The ring is particularly useful in a pipe coupling to grip metal and plastic pipes.
Claims3
A grip ring for a pipe comprising:
- a plurality of grip elements radially spaced from one another to form a ring, each grip element comprising a plate from which extend side walls, said plate and said side walls forming a wedge, an exposed outer surface of said plate being provided with an array of large and small gripping teeth, said large teeth projecting from the outer surface of said plate further than said small teeth;
- and
- a plurality of individual flexible elements affixed to side portions of adjacent grip elements;
- wherein the teeth of said grip elements face inwards towards a center of said ring, and wherein surfaces of said grip elements opposite said teeth lie in a conical plane, wherein said flexible elements comprise springs.
1 more element
Dependencies are inferred from the claim text.