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:
May. 05, 2015
Filed:
Nov. 23, 2009
Hermann Rosen, Kastanienbaum, CH;
Hermann Rosen, Kastanienbaum, CH;
Rosen Swiss AG, Stans, CH;
Abstract
The invention relates to a maintenance device for maintaining an elongated and in particular tubular hollow body (), which is designed to conduct a fluid, having a sealing device () comprising a function unit (), said sealing device being provided for sealing a working area () with respect to surroundings of the hollow body () and being movable in a direction along a surface of the hollow body (), wherein the sealing device () comprising the function unit () can be moved at least partially in the longitudinal direction (B) of the hollow body (), relative to the surface () of same, while preserving a tight seal. In addition, a method for forming a maintenance access on an elongated and in particular tubular hollow body is claimed.