Alliance Plastics, LLC

Mueller Industries, Inc.

Daniel J Steffan

Michael W Baum

Christie Shumpert

Christopher Charles Saylor

Kenneth Mark Shane

John Webb

Robert Merrill Sutton

A plug for sealing an interior of a tube and including a cylindrical body having a first end that is open and includes an annular surface, and a second end that is closed by a conical end wall. The cylindrical body having a plurality of ribs that are configured to engage the interior of the tube and provide a seal between the plug and the interior of the tube. The plug also includes a handle unitary with the cylindrical body that extends from the annular surface. The handle has a cylindrical inner surface that is coextensive with an interior surface of the cylindrical body and an outer surface that is coextensive with an exterior surface of the cylindrical body.

Plug with handle

A protective cap for a threaded valve stem includes a generally cylindrical portion including a closed end, an open end and a cylindrical wall portion therebetween. A plurality of locating ribs are located on an internal surface of the cylindrical wall portion. A plurality of fingers project radially inward from the internal surface between the locating ribs. A tear strip formed by two frangible members, and a pull tab are formed on an external surface of the cylindrical wall portion. Each finger is located between a pair of the locating ribs and has a flexible portion adjacent the internal surface for locating the fingers in unlocked state and a locked state. The fingers in the unlocked state are inclined toward the open end, and the fingers in the locked state curl toward the closed end.

Protective valve cap

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Erie, PA, United States of America

Daniel J Steffan