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Patent Searching and Data


Title:
SWALLOW-UP PREVENTIVE STRUCTURE OF POOL INTAKE/DRAINAGE PORT
Document Type and Number:
Japanese Patent JPH09177344
Kind Code:
A
Abstract:

To upgrade an intake/drainage port of a pool with a water circulation system and a drainage system.

An intake/drainage port 2 formed on the bottom or the side surface of a pool and an intake/drainage pipe 3 connected thereto are provided while an intake/drainage port cover 4 is mounted on port 2. An on/off valve of the intake/drainage pipe 3 and the intake/drainage port cover 4 are interlocked. In the case when the intake/drainage port cover 4 is removed from the port 2, the intake/drainage pipe 3 is closed with the on/off valve. In the case when the port cover 4 is fitted in the port 2, the on/off valve is opened, thereby forming an interlocking mechanism as described above. In the case when the cover 4 is removed from a specified position, this on/off interlocking mechanism operates, thereby closing the intake/drainage pipe and exerting a great role which prevents the generation of an unexpected accident.


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Inventors:
TAKITA MICHIYASU
MIYASAKA GORO
Application Number:
JP35047195A
Publication Date:
July 08, 1997
Filing Date:
December 23, 1995
Export Citation:
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Assignee:
BRIDGESTONE CORP
International Classes:
E04H4/06; E04H4/00; (IPC1-7): E04H4/06
Attorney, Agent or Firm:
鈴木 悦郎