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METHOD FOR MANUFACTURING L-SHAPED SQUARE PIPE, DEVICE FOR MANUFACTURING L-SHAPED SQUARE PIPE, AND L-SHAPED SQUARE PIPE
Provided is a method for manufacturing an L-shaped square pipe that ensures adequate strength even without welding, a device for manufacturing the L-shaped square pipe, and the L-shaped square pipe. Provided is a method for manufacturing an L-shaped square pipe, comprising: a groove section forming step for forming a groove section by pressing one surface of a square steel pipe, along the shorter direction of the one surface, towards another surface positioned on the reverse side of the one surface; and a bending step for bending the square pipe so that the sides of the first surface sandwiching the groove section approach each other.
METHOD FOR MANUFACTURING L-SHAPED SQUARE PIPE, DEVICE FOR MANUFACTURING L-SHAPED SQUARE PIPE, AND L-SHAPED SQUARE PIPE
Provided is a method for manufacturing an L-shaped square pipe that ensures adequate strength even without welding, a device for manufacturing the L-shaped square pipe, and the L-shaped square pipe. Provided is a method for manufacturing an L-shaped square pipe, comprising: a groove section forming step for forming a groove section by pressing one surface of a square steel pipe, along the shorter direction of the one surface, towards another surface positioned on the reverse side of the one surface; and a bending step for bending the square pipe so that the sides of the first surface sandwiching the groove section approach each other.
METHOD FOR MANUFACTURING L-SHAPED SQUARE PIPE, DEVICE FOR MANUFACTURING L-SHAPED SQUARE PIPE, AND L-SHAPED SQUARE PIPE
TANOUE RYUJI (Autor:in)
03.01.2019
Patent
Elektronische Ressource
Englisch
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