JPS62120541U

JPS62120541U -

Info

Publication number: JPS62120541U
Application number: JP741386U
Authority: JP
Priority date: 1986-01-22
Filing date: 1986-01-22
Publication date: 1987-07-31
Anticipated expiration: 2001-01-22
Also published as: JPH0513796Y2

Description

[Brief explanation of the drawing]

第１図は本考案によるマンホール用円周インバ
ート底塊の実施例を示す平面図、第２図は第１図
の正面図、第３図は第１図の右側面図、第４図は
その実施例のものを施工した状態を示す横断面図
、第５図は第４図の―線における断面図、第
６図は従来の底塊を備えたマンホールの縦断面図
、第７図は第６図の―線矢視断面図、第８図
及び第９図は第７図における―線及び―
線における断面図である。１……マンホール本体、２……蓋、３……底塊
、３ａ……上面、３ｂ，３ｃ……インバート（導
水溝）、４，４Ａ，４Ｂ……流入管、５……流出
管、６……底塊、６ａ……環状溝、６ｂ……凸曲
面状の領域、７……傾斜溝、８……モルタル、９
……マンホール斜壁、１０……マンホール直壁、
１１……マンホール底壁、１２……割栗。 Fig. 1 is a plan view showing an embodiment of the circumferential invert bottom block for manholes according to the present invention, Fig. 2 is a front view of Fig. 1, Fig. 3 is a right side view of Fig. 1, and Fig. 4 is the same. FIG. 5 is a cross-sectional view taken along the - line in FIG. 4, FIG. 6 is a vertical cross-sectional view of a conventional manhole with a bottom block, and FIG. The sectional view taken along the line arrow in Figure 6, and Figures 8 and 9 are taken along the line and - in Figure 7.
FIG. 1... Manhole body, 2... Lid, 3... Bottom block, 3a... Top surface, 3b, 3c... Invert (water guide groove), 4, 4A, 4B... Inflow pipe, 5... Outflow pipe, 6 ... Bottom block, 6a ... Annular groove, 6b ... Convex curved area, 7 ... Inclined groove, 8 ... Mortar, 9
... Manhole slanted wall, 10... Manhole straight wall,
11...Manhole bottom wall, 12...Chestnut.

補正昭６１．７．２８実用新案登録請求の範囲を次のように補正する
。Amendment July 28, 1981 The scope of claims for utility model registration is amended as follows.

【実用新案登録請求の範囲】水平面に対して傾斜した環状溝が外周縁部に沿
つて形成されるとともに前記環状溝に囲まれた領
域が前記環状溝よりも高い凸曲面となつているこ
とを特徴とするマンホール用円周インバート底塊
。[Claims for Utility Model Registration] An annular groove inclined with respect to the horizontal plane is formed along the outer peripheral edge, and an area surrounded by the annular groove is a convex curved surface higher than the annular groove. Features a circumferential invert bottom block for manholes.

Claims

[Scope of utility model registration request]

An annular groove inclined with respect to the horizontal plane is formed along the outer peripheral edge, and a region surrounded by the annular groove is a convex curved surface higher than the annular groove,
Also, a circumferential inverted bottom block for a manhole in which an inclined groove having the same slope as the annular groove is formed in the center of the convex curved surface.