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Jfe Engineering Corporation patents


Recent patent applications related to Jfe Engineering Corporation. Jfe Engineering Corporation is listed as an Agent/Assignee. Note: Jfe Engineering Corporation may have other listings under different names/spellings. We're not affiliated with Jfe Engineering Corporation, we're just tracking patents.

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Thermo-sensitive water absorbent, method of water treatment, and water treatment apparatus

A thermo-sensitive water absorbent is used as a draw material in production of fresh water by a forward osmosis process. The thermo-sensitive water absorbent has a cloud point, and coagulates when heated, the thermo-sensitive water absorbent being a block copolymer containing at least a hydrophobic part and a hydrophilic part, having a glycerin structure as a basic structure, and including an ethylene oxide group and a group consisting of propylene oxide and/or butylene oxide.. ... Jfe Engineering Corporation

Buckling pattern steel pipe

A buckling pattern steel pipe for being buried in ground in which flexure occurs includes: a steel pipe straight portion; and a buckling pattern portion. The buckling pattern portion is in a shape expressed by a sine wave determined based on: a buckling wavelength which is 2.05 to 4.32 times a compression local buckling half wavelength expressed by 1.72√(r·t); and a crest height expressed by a value 8.00 to 16.25 times a pipe thickness of the steel pipe straight pipe portion, and the buckling pattern portion absorbs bending compression deformation caused by faulting of the ground and axial compression deformation caused by the flexure so as to avoid deformation of the steel pipe straight pipe portion, where r is a pipe thickness center radius of the steel pipe straight pipe portion and t is the pipe thickness of the steel pipe straight pipe portion.. ... Jfe Engineering Corporation








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