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. 08, 2002
Filed:
Nov. 28, 2000
Wilhelmus Hubertus Paulus Maria Heijnen, Nienhagen, DE;
Shell Oil Company, Houston, TX (US);
Abstract
A device for expanding a pipe comprising a bi-conical sleeve having a first section and a second section, which sections are provided with at least two longitudinal guide channels, first wedges, wherein each first wedge tapers into the direction in which the first section widens and is provided with a support element that co-operates with the corresponding longitudinal guide channel of the first section, second wedges, wherein each second wedge tapers into the direction in which the second section widens and is provided with a support element that co-operates with the corresponding longitudinal guide channel of the second section, and means for moving the wedges into each other.