Title:
FILTRATION BOTTOM PLATE AT BOTTOM PART OF WATER TANK FOR ENJOYMENT
Document Type and Number:
Japanese Patent JP3469631
Kind Code:
B2
Abstract:
PURPOSE: To obtain the filtration bottom plate at the bottom part of the water tank, enabling the smooth passage of water in mutually joined parts, even when the filtration bottom plate for the bottom part is joined to other filtration bottom plates and used.
CONSTITUTION: In the filtration bottom plate having many slits or small holes in the upper surface part and the side surface parts, weak parts are disposed in the side surface parts. The slits can be expanded by cutting off the weak parts. The slits or small holes are enlarged by cutting off the weak parts, thus enabling the increase in an area for the passage of water and consequently guarantee the smooth flow of the water.
Inventors:
Norihiro Yoshida
Tatsuo Hikosaka
Tatsuo Hikosaka
Application Number:
JP11438994A
Publication Date:
November 25, 2003
Filing Date:
April 30, 1994
Export Citation:
Assignee:
Yurindo Co., Ltd.
International Classes:
A01K63/00; (IPC1-7): A01K63/00
Attorney, Agent or Firm:
Shinji Shirasaki