Method and device for the protection of a pipe portion

Details Method and device for the protection of a pipe portion Method and device for the protection of a pipe portion

2007-09-25

2007-09-25

Brinson, Patrick F. (Department: 3754)

Pipes and tubular conduits

Repairing

Patches

C138S172000

Reexamination Certificate

active

10925026

ABSTRACT:
The present invention provides a method, device and tools for the protection of cadmium welds, holidays or the like on underground pipe portions, wherein the device includes a patch having a fibrous material and a hydrophobic agent that is adapted to form a substantial seal about the pipe portion or otherwise coat the pipe portion with an anti-corrosion agent upon application.

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Royston, Handy Cap™ “Corrosion Protection for Exothermic Grounding Connections”.
Excerpt from website www.apsonline.com/bandprotectors.html.
Excerpt from website www.apsonline.com/sprayshields.html.
Excerpt from website www.asponline.com/radolid.html.
Copending U.S. Appl. No. 11/144,333, filed Jun. 3, 2005 (1183-002).
Copending U.S. Appl. No. 11/255,286, filed Oct. 20, 2005 (1183-003).
Copending U.S. Appl. No. 11/420,626, filed May 26, 2006 (1183-017).

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