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:
Nov. 26, 2002
Filed:
Aug. 31, 2000
Jerry D. Smith, The Woodlands, TX (US);
ERC Industries, Inc., Houston, TX (US);
Abstract
A method of providing an internal circumferential shoulder in a cylindrical passageway including the steps of forming an enlarged internal diameter groove in the passageway, machining an integral unitary circumferential shoulder blank of external dimensions conforming to the groove, cutting the shoulder blank into at least segments, each segment having opposed end surfaces that match the end surfaces of adjacent segments, the opposed end surfaces of one segment being defined by parallel, spaced-apart planes forming a key segment, positioning the shoulder segments into the groove, the key segment being inserted last and securing the key segment within the groove.