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:
Jun. 15, 2010
Filed:
Mar. 28, 2003
Frits-jan Koppert, Nieuwerkerk a/d IJssel, NL;
Cornelis Van Zandwijk, Waddinxveen, NL;
Frits-Jan Koppert, Nieuwerkerk a/d IJssel, NL;
Cornelis van Zandwijk, Waddinxveen, NL;
Heerema Marine Contractors Nederland B.V., Leiden, NL;
Abstract
A method and apparatus for joining pipe sections () together to form an underwater pipeline. The pipe sections () are in an abutting position and have a generally vertical orientation. The apparatus comprises at least two welding equipment carriers () and at least two welding heads (). Each welding head is connected to an equipment carrier () by means of at least one umbilical (). The apparatus further comprises a welding head guide assembly () which is adapted to be fixed to one of said upper of lower pipe sections. The welding head guide assembly () guides the welding heads about the pipe sections (). The apparatus further comprises a guiding device () which guides the welding equipment carriers () around said welding area (). The welding equipment carriers () are movable independently from one another.