| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a grip bar capable of being easily gripped without slipping, giving a sense of security to a use and, at the same time, being easily cleaned to maintain cleanliness for a long period of time. SOLUTION: For a handrail using a metal pipe 1 as the grip bar, the metal pipe is so constituted that two hollow rows constituted of a plurality of hollows 2 straight arranged with specific intervals in the longitudinal direction are formed on the circumferential surface in parallel at 30 deg. to 100 deg. as the center angle and that the central part of two hollow rows in parallel is directed to the direction of the ground surface or the direction of the grip bar mounting surface.</p> |
