INVERT MEMBER, BOTTOM BLOCK AND MANHOLE

摘要

PROBLEM TO BE SOLVED: To provide an invert member, and a bottom block and a manhole using the invert member easily led in and installed in the manhole while facilitating member management during storage or transportation and further facilitating the installation of a connecting pipe at the bottom face in a bottom basin base body. SOLUTION: A main pipe part 110 is formed of a synthetic resin material and has a passage 111. An auxiliary pipe part 120 is formed of a synthetic resin material and has a passage 121. Connection parts 150 connect the main pipe part 110 and the auxiliary pipe part 120 movably. The passage 111 of the main pipe part 110 and the passage 121 of the auxiliary pipe part 120 form a mutually connected passage by the connection of the connection parts 150. COPYRIGHT: (C)2004,JPO