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. 06, 2001
Filed:
May. 04, 2001
Antonio Belloni, Codogno, IT;
Renato Bonasorte, Ripalta Cremasca, IT;
Saipem S.p.A., San Donato Milanese, IT;
Abstract
A welding apparatus, for welding pipe sections (,) together to form an underwater pipeline, is arranged to weld pipe sections (,) together when they are in a generally upright orientation with the bottom of an upper pipe section (,) abutting the top of a lower pipe section (,) that defines the end of a pipeline. The welding apparatus includes a rotary equipment holder (,) mounted for rotation about a generally vertical axis (,) and having a central opening (,A) through which pipe sections (,) are able to pass as a pipeline is laid, a plurality of welding heads (,) angularly spaced about the rotary equipment holder (,), each head (,) being associated with a respective sector of the rotary equipment holder, and a welding head guide assembly (,) for fixing around a pipe section (,). The guide assembly (,) includes a guide track (,) for guiding movement of each of the welding heads (,) around the pipe section (,). The respective sector of the rotary equipment holder (,) is able to revolve around the pipe section (,) as the associated welding head (,) revolves around the pipe section (,).