Title:
INTAKE VALVE INSPECTING DEVICE
Document Type and Number:
Japanese Patent JP3243463
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a intake valve inspecting device capable of easily inspecting, repairing and replacing an intake valve connected to a drain pipeline.
SOLUTION: An intake valve 5 for intaking outside air when the inside becomes negative in pressure is fitted to an upper end opening part 12 of a drain pipeline 12 disposed in a wall 3 of a building 2. A space part 4, one wall surface 7 of which is opened is formed in a wall 3 incorporating the intake valve 5. An enclosure 6 including a take-out opening part 24 for opening one wall surface 7 side, an inner surface part 25 for blocking up the other wall surface 7 side, and an upper surface part 26, a lower surface part 28 and both side surface parts 27 for blocking up the upper and lower side parts and both side parts of the space part 4 is installed in the space part 4. The lower surface part 28 is provided with a passing part 29 where the lower end part 18 of the intake valve 5 is passed. A cover body 9 having a ventilating hole 44 is fitted to the take-out opening part 24. When the cover body 9 is removed, the intake valve 5 can be taken out. Thus, the intake valve 5 can be easily inspected, repaired and replaced.
Inventors:
Naoshi Shimoda
Application Number:
JP25804699A
Publication Date:
January 07, 2002
Filing Date:
September 10, 1999
Export Citation:
Assignee:
Maesawa Chemical Industry Co., Ltd.
International Classes:
E03C1/122; F16K24/00; (IPC1-7): E03C1/122; F16K24/00
Domestic Patent References:
| JP4250233A | ||||
| JP790895A |
Attorney, Agent or Firm:
Kabazawa Xiang (2 people outside)