Inflatable pipe plug

Details Inflatable pipe plug Inflatable pipe plug

2006-07-11

2006-07-11

Hook, James (Department: 3754)

Pipes and tubular conduits

With closures and plugs

Inflatable

C138S089000

Reexamination Certificate

active

07073535

ABSTRACT:
An inflatable pipe plug having an improved mold-formed gripping surface and a method of fabricating the pipe plug. The pipe plug has a cylindrical elastic body with ends that are connected to rigid end caps by a swaging ring, the outer surface of the expandable elastic body having a series of raised ribs and textured bands formed by expanding an uncured cylindrical rubber sleeve in a mold and curing the sleeve to form the plug body.

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(Product Brochure) Plug-It Products 2001 Product Catalog (2001) pp. 1,2,9-12.

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