TWD169791S - Part of the pipe expansion tool - Google Patents

Abstract

[Use of item]; The item of this design is a pipe expansion tool, which is used to expand the hole diameter at the end of the pipe. ;[Design Description];The pipe expansion tool of the article of this design is provided with a handle having a threaded portion that is screwed onto the main body of the pipe expansion tool; as can be seen by comparing the front view and the reference drawing, if the handle is rotated, The cone-shaped cone moves downward while rotating. Furthermore, the cone-shaped cone comes into contact with the inner diameter end of the tube fixed to the holding hole while rotating. If the grip is further rotated, the cone-shaped cone will rotate. The cone will be pushed into the inside of the pipe to expand the hole at the end of the pipe; as shown in the perspective view and top view, a hexagonal hole in plan view is formed in the center of the handle, and the electric drill (drill) The front tool of the driver and impact driver fit into the hexagonal hole; by operating the electric drill and impact driver and rotating the handle, the hole diameter at the end of the pipe can be enlarged. ; The solid line part disclosed in the drawing is the part of this case that is proposed to be designed; the dotted line part disclosed in the drawing is the part of this case that is not proposed to be designed.