Title:
埋設ボックス用土砂流入防止板、埋設ボックスセット、埋設ボックスの土砂流入防止構造、及び埋設ボックス用土砂流入防止板の取り付け方法
Document Type and Number:
Japanese Patent JP6681819
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a sediment inflow prevention plate for an embedded box of which a single type is compatible with water pipes of different outer diameters, the sediment inflow prevention plate being fitted readily on a water pipe without twisting of a base plate part.SOLUTION: A sediment inflow prevention plate 1 for an embedded box has, at a peripheral part surrounding a water pipe installation hole part 21 of a base plate part 20, a plurality of elastic tongue pieces 25 formed radially with the water pipe installation hole part 21 at a center, the elastic tongue piece protruding toward the water pipe installation hole part 21 from the peripheral part. Furthermore, the elastic tongue piece 25 is curved in a direction along a plate thickness direction of the base plate part 20 toward the water pipe installation hall part 21 when a water pipe P is not installed in the water pipe installation hole part 21, and comes in contact with the water pipe P elastically when the water pipe P is installed in the water pipe installation hole part 21 through the slit part 22 for passing a water pipe.SELECTED DRAWING: Figure 1
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Inventors:
Takahiro Nakano
Yukinori Oishi
Hiroshi Ota
Yukinori Oishi
Hiroshi Ota
Application Number:
JP2016222873A
Publication Date:
April 15, 2020
Filing Date:
November 16, 2016
Export Citation:
Assignee:
Aronkasei Co., Ltd.
International Classes:
E03B9/10; F16L5/02; G01D11/24
Domestic Patent References:
| JP49034835Y1 | ||||
| JP3045591B2 | ||||
| JP54026490Y2 | ||||
| JP61198362U | ||||
| JP55145567U | ||||
| JP63217026A | ||||
| JP61094681U | ||||
| JP63318384A | ||||
| JP8135853A |
Foreign References:
| US6749080 |
Attorney, Agent or Firm:
Yasutoshi Iwata
Kitao Matsuura
Yu Yamamoto
Kitao Matsuura
Yu Yamamoto