Mechanically lined pipe
US9885431B2 · kind B2 · utility
0Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2013 |
| Grant date | Feb 6, 2018 |
| Priority date | — |
| Expiry date | Jun 20, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L13/0263
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A reelable mechanically lined pipe (MLP) (30) having at least a liner (32) and an outer pipe (34), the outer pipe having an outer diameter, DH, with the MLP formed from a plurality of pipe joints having conjoining girth welds (36), wherein the ends of each pipe joint terminate with clad overlay welds (40) having a length in the range Lmin=100 mm and Lmax=4DH, and wherein the liner thickness, t, is equal to or less than a value calculated by formula I as defined.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.