To provide a joint structure of segments capable of easily fitting a fitting part into a fitted part and enlarging inside diameter of the fitted part easily to join adjacent segments mutually and easily.
This joint structure of segments is provided with a female type joint 3 provided on a joint face 2a of the segment 1a on one side among two adjacent segments 1a, 1b and having the hollow fitted part 11 and a male type joint 4 provided on a joint face 2b of the segment 1b on the other side and having the fitting part 6 fitted into the fitted part 11, and diameter of the fitted part 11 is enlarged when fitting the fitting part 6 to allow fitting of the fitting part 6 and hold a fitting condition with the fitting part 6 by contracting diameter upon completion of fitting. The fitted part 11 is formed into a tapered shape in which inside diameter on one end side in which the fitting part 6 is inserted is greatly reduced toward the other end side. A recessed and projecting part 9 meshed with the other end part of the fitted part 11 is formed at a tip of the fitting part 6.
WAKABAYASHI MASANORI
| JP2003090196A | 2003-03-28 | |||
| JPH11223094A | 1999-08-17 | |||
| JPH10259695A | 1998-09-29 | |||
| JP2001065298A | 2001-03-13 | |||
| JPH0676496U | 1994-10-28 | |||
| JP2001049996A | 2001-02-20 | |||
| JP2001173625A | 2001-06-26 | |||
| JP2002327599A | 2002-11-15 |
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama
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