Abstract: A pipe connection apparatus may include an outer body having a pipe mount part having a pipe insertion space opened rearward so that a pipe end is inserted into the pipe insertion space, and a swaging ring configured to come into contact with and press at least a part of the pipe mount part while surrounding at least a part of the pipe mount part.

Abstract: An object grasping device includes: an upper frame having an inner peripheral surface shape corresponding to an outer peripheral surface of an upper portion of an object to surround the outer peripheral surface; a left lower frame having an inner peripheral surface shape corresponding to an outer peripheral surface of a left lower portion of the object to surround the outer peripheral surface of the left lower portion of the object; a right lower frame having an inner peripheral surface shape corresponding to an outer peripheral surface of a right lower portion of the object to surround the outer peripheral surface of the right lower portion of the object; left and right link members linking a left portion and a right portion of the upper frame and a middle portion of the left lower frame by hinges and a middle portion of the right lower frame by hinges, respectively.