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:
Jan. 13, 1981
Filed:
Apr. 18, 1977
Lawrence Sanford, Houston, TX (US);
Other;
Abstract
An inflatable packer which can be easily constructed using tubular members such as a section of well casing, the packer having spaced, first and second annular heads which surround a central tubular member, the first head being slidable along the tubular member, a relief or attachment space being formed between the second head and the tubular member, a securing element being disposed in the relief for securing the second head to the tubular member and preventing relative longitudinal movement thereof, a centering member being disposed between the second head and the tubular member to maintain the second head and the tubular member in substantially coaxial relationship independent of the securing element, an inflatable, tubular element being attached to and extending between the first and second heads.