Title:
BOX-TYPE PIPELINE WITH CIRCUMFERENTIAL OBTUSE ANGLE CONNECTION
Document Type and Number:
WIPO Patent Application WO/2018/028087
Kind Code:
A1
Abstract:
Disclosed is a box-type pipeline with a circumferential obtuse angle connection, the pipeline comprising unit pipes (102) formed by unit plates (101) respectively located on an upper side, a lower side and two lateral side faces and assembled along a circumferential direction, wherein the unit pipes (102) are assembled along an axial direction to form a box-type pipeline; the unit plates (101) are arc-shaped corrugated plates arching towards the exterior of the box-type pipeline, and obtuse angles of a circumferential connection are formed between adjacent unit plates (101); and the shape of a cross-section of the box-type pipeline is similar to a rectangle, the unit plates (101) are of an arc-shaped structure, and the box-type pipeline uses flat and straight flanges or angle iron flanges (103) in the circumferential direction for connection.
Inventors:
ZHAN FUJUN (CN)
Application Number:
PCT/CN2016/107897
Publication Date:
February 15, 2018
Filing Date:
November 30, 2016
Export Citation:
Assignee:
NANJING LIANZHONG CONSTRUCTION ENGINEERING TECH CO LTD (CN)
International Classes:
F16L9/06; E02D29/045
Foreign References:
| CN106090450A | 2016-11-09 | |||
| CN105401596A | 2016-03-16 | |||
| CN105464131A | 2016-04-06 | |||
| CN1142434A | 1997-02-12 | |||
| JP2015048574A | 2015-03-16 | |||
| US4650369A | 1987-03-17 |
Other References:
See also references of EP 3434951A4
Attorney, Agent or Firm:
NANJING SUGAO PATENT AND TRADEMARK FIRM (ORDINARY PARTNERSHIP) (CN)
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