The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 13, 2011
Filed:
Apr. 27, 2007
Richard C. Polivka, Lemont, IL (US);
Keith B. Oxner, Chesterfield, MO (US);
Stephen B. Heuiser, Manchester, MO (US);
Richard C. Polivka, Lemont, IL (US);
Keith B. Oxner, Chesterfield, MO (US);
Stephen B. Heuiser, Manchester, MO (US);
INA Acquisition Corp., Wilmington, DE (US);
Abstract
A process and apparatus for internally reinstating a connection in a lined conduit is provided. The connection may be a branch pipe or corporation stop that may or may not protrude into the conduit. It may be milled prior to lining. The process includes the step of locating the connection visually or with a probe, such as all eddy current probe. forming at an opening in the lining at the connection and then installing a T-nut with a sealing gasket facing the liner to hold the liner in place and form a seal between the T-nut and liner and the connection. The apparatus includes a motor coupled to a turntable with drive to install the T-nut and a supply of T-nuts mounted on a slide for loading the T-nuts onto the drive for installation of the T-nuts without having to remove the assembly between each installation.