Title:
BELL MOUTH WITH JOINT, ITS BLOCK BODY AND HAND HOLE
Document Type and Number:
Japanese Patent JP3430396
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To make a connection in a single operation when connecting pipe bodies.
SOLUTION: The other opening part of a cylindrical part 15 one opening part of which is widened so as to be formed into a trumpet shape, is formed out of the guiding cylinder 11 of a connection pipe body, a bell mouth main body M provided with a large diameter cylindrical part 12, and of a separately formed engaging ring R. And the ring R is in a C-shape as viewed from the side surface, and is provided with a guiding inclined surface wherein an inner diameter in one end face side in the lateral direction, is made large, and an inner diameter at the depth side is made small, and the end face at the large diameter side of the guiding inclined surface is inserted so as to be positioned at its entrance side. The connection pipe body P is provided with an inclined cylinder 21 which is larger in diameter at the depth side than that at the end face side, and with a locking step part 22 formed at its rear surface.
Inventors:
Hiroyuki Tenzutsu
Application Number:
JP32246498A
Publication Date:
July 28, 2003
Filing Date:
November 12, 1998
Export Citation:
Assignee:
Totaku Industry Co., Ltd.
International Classes:
F16L1/024; F16L5/00; F16L37/12; E02D29/12; (IPC1-7): F16L37/12; E02D29/12; F16L1/024
Domestic Patent References:
| JP62170894U | ||||
| JP51094U | ||||
| JP423485B2 | ||||
| JP722555Y2 |
Attorney, Agent or Firm:
Yataro Sato