Invention Application
- Patent Title: PIPE-JOINING METHOD AND APPARATUS FOR PRODUCING UNDERWATER PIPELINES, AND UNDERWATER-PIPELINE-LAYING VESSEL COMPRISING SUCH AN APPARATUS
- Patent Title (中): 用于生产水下管道的管道接合方法和装置以及包含这种装置的水下管线
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Application No.: US13302200Application Date: 2011-11-22
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Publication No.: US20120145309A1Publication Date: 2012-06-14
- Inventor: Serafino CITTADINI BELLINI
- Applicant: Serafino CITTADINI BELLINI
- Applicant Address: IT San Donato Milanese
- Assignee: SAIPEM S.p.A.
- Current Assignee: SAIPEM S.p.A.
- Current Assignee Address: IT San Donato Milanese
- Priority: ITMI2006A002402 20061214
- Main IPC: B65H81/06
- IPC: B65H81/06 ; B65H69/02
Abstract:
A method of joining pipes to produce underwater pipelines, wherein the facing free ends of two adjacent pipes, aligned along an axis, are welded to define a cutback; a protective sheet of plastic material is extruded close to the cutback; and the protective sheet is wound about the cutback.
Public/Granted literature
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