A squeeze device comprising: a U-shaped fixed stand with an open top configured to be arranged in an electric resistance welded pipe manufacturing line and in which a pipe-shaped material is to pass; a roll support plate composed of a slidable surface plate inserted into the U-shaped fixed stand through the open top of the U-shaped fixed stand and held in the U-shaped fixed stand in a manner allowing taking off of the roll support plate, the roll support plate supporting right and left side rolls in a pair and an upper roll on an upstream-side main surface of the surface plate in a manner allowing the side rolls and the upper roll to move in screw down directions, the upper roll having a configuration with one roll for pressing butting edge portions of the pipe-shaped material from directly above or a configuration with two rolls each for pressing the butting edge portions from diagonally above, the roll support plate having space for passage of the pipe-shaped material formed at a position surrounded by the side rolls and the upper roll without a lower roll; a retaining mechanism that fixes the roll support plate in the U-shaped fixed stand after the roll support plate is inserted into the U-shaped fixed stand; a first screw down device installed on the U-shaped fixed stand, with the roll support plate fixed in the U-shaped fixed stand, the first screw down device inwardly screwing down the right and left side rolls in a pair supported on the roll support plate; and a second screw down device installed on the U-shaped fixed stand, with the roll support plate fixed in the U-shaped fixed stand, the second screw down device downwardly screwing down the upper roll supported on the roll support plate. a U-shaped fixed stand with an open top configured to be arranged in an electric resistance welded pipe manufacturing line and in which a pipe-shaped material is to pass; a roll support plate composed of a slidable surface plate inserted into the U-shaped fixed stand through the open top of the U-shaped fixed stand and held in the U-shaped fixed stand in a manner allowing taking off of the roll support plate, the roll support plate supporting right and left side rolls in a pair and an upper roll on an upstream-side main surface of the surface plate in a manner allowing the side rolls and the upper roll to move in screw down directions, the upper roll having a configuration with one roll for pressing butting edge portions of the pipe-shaped material from directly above or a configuration with two rolls each for pressing the butting edge portions from diagonally above, the roll support plate having space for passage of the pipe-shaped material formed at a position surrounded by the side rolls and the upper roll without a lower roll; a retaining mechanism that fixes the roll support plate in the U-shaped fixed stand after the roll support plate is inserted into the U-shaped fixed stand; a first screw down device installed on the U-shaped fixed stand, with the roll support plate fixed in the U-shaped fixed stand, the first screw down device inwardly screwing down the right and left side rolls in a pair supported on the roll support plate; and a second screw down device installed on the U-shaped fixed stand, with the roll support plate fixed in the U-shaped fixed stand, the second screw down device downwardly screwing down the upper roll supported on the roll support plate.