Title:
内部式底面濾過装置
Document Type and Number:
Japanese Patent JP6775779
Kind Code:
B2
Abstract:
To provide a novel internal bottom surface filter unit capable of enhancing a friction holding force of an upper water pipe to a lower water pipe, by only rotating the upper water pipe to the lower water pipe in a peripheral direction, for suppressing extension/shrinkage of the water pipes.SOLUTION: A lower part of a joint 32 formed of an elastic synthetic resin material is communicated and connected to an upper part of a conduit tube 31 which is communicated to a discharge hole of a filter case 30 and integrated and protruded upward, and is formed into a taper shape upward and whose cross section is formed into an octagonal shape, on an upper center part of the filter case 30 of a filter unit, a water pipe 16 is communicated and connected to an upper part of the joint 32, the water pipe 16 comprises: a lower water pipe 17 which is detachably connected to the joint 32; and an upper water pipe 18 whose lower part is slidably fitted to the upper part of the lower water pipe 17, a water discharge pipe 33 is connected to an upper end of the upper water pipe 18, and the lower and upper water pipes 17, 18 are configured so that, a slide fitting part of them in a vertical direction has an elliptical cross sectional shape.SELECTED DRAWING: Figure 5
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Inventors:
Ogawa Soichi
Yutaka Yoshida
Yutaka Yoshida
Application Number:
JP2019203320A
Publication Date:
October 28, 2020
Filing Date:
November 08, 2019
Export Citation:
Assignee:
Mizusaku Co., Ltd.
International Classes:
A01K63/04; B01D24/00; B01D35/027
Domestic Patent References:
| JP4163663B2 | ||||
| JP2006204309A | ||||
| JP4962987U | ||||
| JP4823113U | ||||
| JP2013123412A | ||||
| JP201399290A |
Attorney, Agent or Firm:
Ochiai Patent Office