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:
Oct. 25, 1983
Filed:
Jun. 29, 1981
Burton Ver Nooy, Tulsa, OK (US);
T. D. Williamson, Inc., Tulsa, OK (US);
Abstract
A branch fitting for providing access to the interior of a pipe, the fitting having first and second body portions each having a semi-cylindrical surface adapted to sealably engage the pipe, the body portions being secured together and to the pipe in a pressure retaining relationship, one body portion having a first and second integral cylindrical barrel portion extending in the plane of the tubular axis of the pipe, the cylindrical axii of the barrel portions intersecting each other at a point at or adjacent the pipe wall, a cutter within one of the barrel portions having a shaft extending sealably exteriorly of the barrel portion whereby the cutter may be rotated and axially advanced to form an opening in the pipe, the opening being coincident with the cylindrical axis of the second barrel portion. The second barrel portion may contain a plugging member and means of delivering it into the interior of the pipe through the formed opening.