Title:
SEPTIC TANK
Document Type and Number:
Japanese Patent JP3723730
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a septic tank requiring no installation work of a support or a wall and capable of being inexpensively executed in a short period of time.
SOLUTION: If the septic tank is manufactured from a material whose yield strength after repeated fatigue of 10,000 times is measured under load of 1/6 of initial yield strength holds 80% or more of the initial yield strength, a problem such as the generation of crack caused by repetition, or the like, is not generated when the septic tank is actually used and the septic tank can be installed even if a support or a wall is not used.
More Like This:
| JPS60193881 | WATER TANK |
Inventors:
Yamada Hikoichiro
Kazuo Matsubayashi
Mio Sano
Kazuo Matsubayashi
Mio Sano
Application Number:
JP2000331745A
Publication Date:
December 07, 2005
Filing Date:
January 30, 1998
Export Citation:
Assignee:
Teijin Chemicals Ltd.
Daiki Co., Ltd.
Daiki Co., Ltd.
International Classes:
B65D88/76; B29C45/00; C02F3/00; C08L21/00; C08L65/00; (IPC1-7): C02F3/00; B29C45/00; B65D88/76; C08L21/00; C08L65/00
Domestic Patent References:
| JP9067852A | ||||
| JP9262860A | ||||
| JP9255085A |
Attorney, Agent or Firm:
Yasunobu Yamauchi