Title:
AIR BLEEDER IN DRAIN PIPE
Document Type and Number:
Japanese Patent JP3456834
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To extract air from a drain pipe between two traps from a cleaning hole cover in the case where two traps are connected to one drain pipe.
SOLUTION: An insert hole 24 pierced through the inner and outer surfaces is formed on a cleaning hole cover 20. An air bleeding unit 11 is provided with a cylindrical air path pipe part 15 inserted and fixed in the insert hole 24 of the cleaning hole cover 20 extended from the central part of the flat main body 14 downward. An air path part 17, the inner end side of which is communicated with the air path pipe part 15 is opened in the peripheral surface of the main body part 14. The air path part 17 is inclined downward toward the peripheral surface of the main body part 14 from the communicating part 18 with the air path pipe part 15.
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Inventors:
Akio Baba
Naoshi Shimoda
Naoshi Shimoda
Application Number:
JP14600796A
Publication Date:
October 14, 2003
Filing Date:
June 07, 1996
Export Citation:
Assignee:
Maesawa Chemical Industry Co., Ltd.
International Classes:
E03C1/12; E03C1/122; (IPC1-7): E03C1/122; E03C1/12
Domestic Patent References:
| JP2240335A | ||||
| JP44980U | ||||
| JP657971U | ||||
| JP6396393U | ||||
| JP725062U |
Attorney, Agent or Firm:
Kabazawa Xiang (2 people outside)