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US Patent 8011053 Resilient pipeline inspection brush

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Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
8011053
Patent Inventor Names
Douglas Batzel1
Date of Patent
September 6, 2011
Patent Application Number
11660531
Date Filed
September 2, 2005
Patent Primary Examiner
‌
Shay L. Karls
Patent abstract

A resilient inspection brush used in electrically inspecting pipelines for abnormalities is described which employs highly conductive metals, such as nickel. Since bristles [330] made from these metals cannot be secured firmly by soldering or epoxy, they are folded over a retaining member [350], or wrapped around the retaining member [350]. The retaining member [350] is secured inside of a base housing [320]. The top [321] portion of the base housing [320] may be crimped or swedged to reduce the size of the opening, thereby physically holding the bristles [330]. This also insures that the retaining member [350] does not pass through the opening, securing the retaining member [350] inside of the base housing [320]. In another embodiment, an inner sleeve [810] is used to further secure the bristles [330] and simplify assembly.

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