JP2009002139A - Handhole and lid of manhole, manufacturing method for these - Google Patents

Handhole and lid of manhole, manufacturing method for these Download PDF

Info

Publication number
JP2009002139A
JP2009002139A JP2007291984A JP2007291984A JP2009002139A JP 2009002139 A JP2009002139 A JP 2009002139A JP 2007291984 A JP2007291984 A JP 2007291984A JP 2007291984 A JP2007291984 A JP 2007291984A JP 2009002139 A JP2009002139 A JP 2009002139A
Authority
JP
Japan
Prior art keywords
pattern
manhole
sand
mold
patterns
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2007291984A
Other languages
Japanese (ja)
Inventor
Jhy-Cheng Chen
志成 陳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of JP2009002139A publication Critical patent/JP2009002139A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/22—Moulds for peculiarly-shaped castings
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00—Geometrical or physical properties
    • E02D2200/16—Shapes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2999/00—Subject-matter not otherwise provided for in this subclass

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a handhole which is capable of expressing characteristics that are desired to be expressed by a pattern having a stereognostic sense on an upper surface, and a lid of the manhole, and a production method for these. <P>SOLUTION: A plurality of the patterns are formed on a mold upper surface, and the respective patterns are separated by recesses, and a plurality of granular structures and linear structures which have different shapes are arranged on surfaces between the respective patterns. The surface shape of the lid of the manhole and the handhole become the same as those of the respective patterns on a mold surface after casting, so that the theme of design can be expressed. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、マンホールおよびハンドホールの蓋とその製造方法に関し、特にマンホールおよびハンドホールの蓋上面にテーマ模様が設けられ、このテーマ模様とマンホールおよびハンドホールの蓋上面の模様が粒状および線状の構造から構成されるマンホールおよびハンドホールの蓋とその製造方法に関するものである。   The present invention relates to a manhole and a handhole cover, and a method for manufacturing the same, and in particular, a theme pattern is provided on the upper surface of the manhole and the handhole cover. The present invention relates to a cover for manholes and handholes having a structure and a method for manufacturing the same.

従来のマンホールの蓋を図５に示す。従来のマンホールの蓋５あるいはグレーチングの上面には模様や標示が設けてある。従来のマンホールの蓋の模様や標示は単調なものであり、個別の特色を表現できていない。   A conventional manhole cover is shown in FIG. Patterns and markings are provided on the upper surface of the conventional manhole cover 5 or grating. Conventional manhole cover patterns and markings are monotonous and do not represent individual features.

マンホールの蓋の模様を粒状構造または線状構造で当該地方の特色や歴史などを表現すると、観光客などはマンホールの蓋を見ることで、当該地方の特色や歴史などを理解し易くなり、景観もさらに美しくなる。
さらに、マンホールの蓋の表面に建築者または地方の名称などを標記すると、観光客などはマンホールの蓋の所属地域を識別し易くなる。 If the pattern of the manhole cover is expressed in a granular structure or a linear structure to express the characteristics and history of the region, tourists can easily understand the characteristics and history of the region by looking at the cover of the manhole. Will become even more beautiful.
Further, if the name of the builder or the region is marked on the surface of the manhole cover, it becomes easier for tourists to identify the area to which the manhole cover belongs.

本発明の主な目的は、上面に立体感を備えた模様を有することで、表現したい特色が表現可能となるマンホールおよびハンドホールの蓋とその製造方法を提供することである。
本発明のさらなる目的は、上面の立体感を備えた模様を見れば、観光客などが当該地方の特色や歴史などを理解し易くなり、景観がさらに美しくなるマンホールおよびハンドホールの蓋とその製造方法を提供することである。 A main object of the present invention is to provide a manhole and a handhole cover and a method for manufacturing the same so that a feature color desired to be expressed can be expressed by having a three-dimensional pattern on the upper surface.
A further object of the present invention is to provide a manhole and handhole lid that makes it easier for tourists to understand the characteristics and history of the region by looking at a pattern with a three-dimensional surface on the upper surface, and its manufacture. Is to provide a method.

本発明によるマンホールおよびハンドホールの蓋は、モールドに対応し、モールド上面には模様が複数設けられる。各模様は凹みにより離隔され、各模様間の表面には、異なる形状を有する粒状構造および線状構造がそれぞれ複数設けられる。各模様は設計通りに配置され、鋳造後、表面形状がモールド表面の各模様と同一になる。マンホールの蓋表面の各模様は予め定められた部位に位置し、各模様は設計通りに凹みにより離隔される。各模様と各模様の周囲との表面には、異なる形状を有する粒状構造および線状構造がそれぞれ複数形成される。各模様は設計通りに配置され、設計のテーマを表現することを特徴とする。   The manhole and handhole cover according to the present invention corresponds to a mold, and a plurality of patterns are provided on the upper surface of the mold. Each pattern is separated by a recess, and a plurality of granular structures and linear structures having different shapes are provided on the surface between the patterns. Each pattern is arranged as designed, and after casting, the surface shape is the same as each pattern on the mold surface. Each pattern on the manhole cover surface is located at a predetermined position, and each pattern is separated by a recess as designed. A plurality of granular structures and linear structures having different shapes are formed on the surface of each pattern and the periphery of each pattern. Each pattern is arranged as designed and represents the theme of the design.

本発明によるマンホールおよびハンドホールの蓋の製造方法は、砂を入れて盛上げ可能なモールドプレートを用意する工程と、モールドプレートの上に篩いを設置して砂を篩い、篩われた砂が前記モールドプレート内に落下して一定の高さに積み上がるまでに砂を篩い落とす工程と、篩われた砂がモールドプレート内に一定の高さに積み上げられ、篩われなかった砂により篩われた砂の上面を蓋する工程と、モールドプレートに充填された砂をさらに緊密にするため、モールドプレートに充填された砂を押える工程と、砂型全体を裏返してモールドプレートを取り外したとき砂型に複数の凹みが形成され、かつモールドの模様の粒状構造あるいは線状構造がそれに対応する凹みに形成される工程と、各凹みに銑鉄を鋳込む工程と、固化までに鋳物をそのまま放置して、砂型から鋳物を離型する工程とを含むことを特徴とする。   The method of manufacturing a manhole and a handhole cover according to the present invention includes a step of preparing a mold plate that can be swelled with sand, a sieve is placed on the mold plate, the sand is sieved, and the sieved sand is the mold. The process of sieving sand until it falls into the plate and piles up to a certain height, and the sieving sand is piled up at a certain height in the mold plate, The process of covering the top surface and the process of pressing the sand filled in the mold plate to make the sand filled in the mold plate more tight, and when the mold plate is removed by turning over the entire sand mold, the sand mold has multiple dents. The process of forming the granular structure or linear structure of the pattern of the mold in the corresponding dent, the process of casting pig iron in each dent, and until solidification Things as it is allowed to stand, characterized in that it comprises a step of releasing the casting from the sand mold.

本発明のマンホールおよびハンドホールの蓋とその製造方法による効果は下記の通りである。
（１）マンホールの蓋上面の立体感を有する模様により、表現したい特色を表現可能となる。
（２）マンホールの蓋上面の立体感を有する模様を見れば、観光客などは当該地方の特色や歴史などを理解し易くなり、そして景観がさらに美しくなる。 The effects of the manhole and handhole cover of the present invention and the manufacturing method thereof are as follows.
(1) A special color desired to be expressed can be expressed by a three-dimensional pattern on the upper surface of the manhole cover.
(2) If you look at the three-dimensional pattern on the top of the manhole cover, tourists will be able to understand the characteristics and history of the region, and the scenery will become more beautiful.

以下、本発明の一実施形態によるマンホールおよびハンドホールの蓋とその製造方法を、図面に基づいて説明する。
図１に示すように、本発明の実施形態のマンホールおよびハンドホールの蓋１は、モールド２に対応し、モールド２の上面に模様２１が複数設けられる。各模様２１は凹みにより離隔され、各模様２１間の表面には、異なる形状を有する粒状構造２１１および線状構造２２１がそれぞれ複数設けられる。各模様２１は設計通りに配置され、鋳造後、マンホールの蓋１の表面には、前記モールド２の表面にある各模様２１と同様の形状の模様１１が形成される。マンホールおよびハンドホールの蓋１の表面にある各模様１１は予め定められた部位に位置し、各模様１１は設計通りに凹みにより離隔される。各模様１１と各模様１１周囲との表面には、異なる形状を有する粒状構造１１１および線状構造１２１がそれぞれ複数形成される。各模様１１は設計通りに配置され、設計のテーマが表現可能である。これにより、各模様１１は本来の様子および凹凸を有すると共に、異なる形状を有する粒状構造１１１および線状構造１２１がそれぞれ複数形成されることにより、マンホールの蓋１の設計テーマをさらに豊かに表現可能なものとしている。 Hereinafter, a manhole and a handhole cover according to an embodiment of the present invention and a manufacturing method thereof will be described with reference to the drawings.
As shown in FIG. 1, the manhole and handhole cover 1 according to the embodiment of the present invention corresponds to the mold 2, and a plurality of patterns 21 are provided on the upper surface of the mold 2. The patterns 21 are separated by depressions, and a plurality of granular structures 211 and linear structures 221 having different shapes are provided on the surface between the patterns 21. Each pattern 21 is arranged as designed, and after casting, a pattern 11 having the same shape as each pattern 21 on the surface of the mold 2 is formed on the surface of the manhole cover 1. Each pattern 11 on the surface of the manhole and handhole cover 1 is located at a predetermined position, and each pattern 11 is separated by a recess as designed. A plurality of granular structures 111 and linear structures 121 having different shapes are formed on the surface of each pattern 11 and the periphery of each pattern 11. Each pattern 11 is arranged as designed, and a design theme can be expressed. As a result, each pattern 11 has an original appearance and irregularities, and a plurality of granular structures 111 and linear structures 121 having different shapes are formed, so that the design theme of the manhole cover 1 can be expressed more abundantly. It is supposed to be.

図２と図３に示すように、円形を呈するマンホールの蓋３は、中央に螺旋状の突起を呈する模様３１が設けられる。模様３１の表面には粒状構造３１１が形成され、模様３１の周囲の凹みには線状構造３２が形成される。模様の外周には円形の突起を呈する模様３３が形成され、模様３３の表面には交錯した粒状構造３３１が形成される。模様３３の外周には突起を呈する小円形模様３４、台形の突起を呈する模様３５および折れ曲がった突起を呈する模様３６が形成され、これらの模様３４、３５、３６の表面にはさらに細かい粒状構造３４１、３５１、３６１が形成される。模様３４、３５、３６の間の凹みの表面には線状構造３７が形成される。マンホールの蓋３の周縁には円形の突起を呈する大円形模様３８が形成され、大円形模様３８の表面には交錯した粒状構造３８１が形成される。   As shown in FIGS. 2 and 3, the circular manhole cover 3 is provided with a pattern 31 having a spiral protrusion at the center. A granular structure 311 is formed on the surface of the pattern 31, and a linear structure 32 is formed in a recess around the pattern 31. A pattern 33 having a circular protrusion is formed on the outer periphery of the pattern, and an interlaced granular structure 331 is formed on the surface of the pattern 33. A small circular pattern 34 having protrusions, a pattern 35 having trapezoidal protrusions, and a pattern 36 having bent protrusions are formed on the outer periphery of the pattern 33, and a finer granular structure 341 is formed on the surfaces of these patterns 34, 35, and 36. , 351, 361 are formed. A linear structure 37 is formed on the surface of the recess between the patterns 34, 35 and 36. A large circular pattern 38 having circular protrusions is formed on the periphery of the lid 3 of the manhole, and an intersecting granular structure 381 is formed on the surface of the large circular pattern 38.

本実施形態では、取出作業を容易にするために、マンホールの蓋の周縁には貫通孔３９が一つ以上設けられる。またマンホールの蓋の表面には、識別用の文字が設けてもよい。   In the present embodiment, one or more through holes 39 are provided on the periphery of the manhole cover in order to facilitate the extraction work. An identification character may be provided on the surface of the manhole cover.

本発明の実施形態によるマンホールの蓋は従来のものより立体感があり、見栄えもさらに良い。また、本発明のマンホールの蓋の周縁には文字が標示される。物件提出書で提出した写真では模様３４として文字を表示する形態である。本文字は建設会社の名称であり、標示される文字により使用者はマンホールの蓋のメーカーを識別し易くなる。マンホールの蓋に標示される文字は文化や歴史などに関するものでもよい。一方、マンホールの蓋に標示される文字の表面に粒状構造あるいは線状構造を形成してもよく、マンホールの蓋の見栄えはさらに良くなる。   The manhole cover according to the embodiment of the present invention has a three-dimensional effect as compared with the conventional one and has a better appearance. In addition, characters are marked on the periphery of the manhole cover of the present invention. In the photo submitted in the property submission form, characters are displayed as the pattern 34. This character is the name of the construction company, and the displayed character makes it easy for the user to identify the manufacturer of the manhole cover. The characters on the manhole cover may be related to culture or history. On the other hand, a granular structure or a linear structure may be formed on the surface of the character marked on the manhole cover, so that the appearance of the manhole cover is further improved.

本発明のマンホールおよびハンドホールの蓋は、その上面に設計のテーマを表現するためのメイン模様が設けられ、メイン模様の他に別の模様も設けられる。各模様は凹みにより離隔され、各模様間の表面には異なる形状を有する粒状構造および線状構造がそれぞれ複数設けられる。各模様は設計通りに配置され、本発明のマンホールおよびハンドホールの蓋の全体の外観は多彩になり、見栄えはさらに良くなる。   The manhole and handhole cover of the present invention are provided with a main pattern for expressing a design theme on the upper surface, and another pattern is provided in addition to the main pattern. Each pattern is separated by a recess, and a plurality of granular structures and linear structures having different shapes are provided on the surface between the patterns. Each pattern is arranged as designed, and the overall appearance of the manhole and handhole lids of the present invention is varied and the appearance is further improved.

図１と図４に示すように、本発明の実施形態によるマンホールおよびハンドホールの蓋の製造方法は以下を含む。砂を入れて盛上げ可能のモールドプレートを用意する工程Ｓ４１、モールドプレートの上に篩いを設置して砂を篩い、篩われた砂がモールドプレート内に落下して一定の高さに積上げるまでに、砂を篩い落とす工程Ｓ４２、篩われた砂がモールドプレート内に一定の高さに積み上げられたあと、篩わなかった砂で篩われた砂の上面をの蓋する工程Ｓ４３、モールドプレートに充填された砂をさらに緊密にするため、モールドプレートに充填された砂を押える工程Ｓ４４、砂型全体を裏返してモールドプレートを取り外したとき、砂型に複数の凹みが形成され、モールドの模様の粒状構造または線状構造がそれに対応する凹みに形成される工程Ｓ４５、各凹みに銑鉄を鋳込む工程Ｓ４６、および固化までに鋳物をそのまま放置して砂型から鋳物を離型する工程Ｓ４７を含む。   As shown in FIGS. 1 and 4, a method for manufacturing a manhole and a handhole cover according to an embodiment of the present invention includes the following. Step S41 for preparing a mold plate that can be swelled by putting sand, installing a sieve on the mold plate and sieving the sand, until the sieved sand falls into the mold plate and piles up to a certain height Step S42 for sieving sand, Step S43 for capping the upper surface of sand that has been sieved with sand that has not been sieved, after the sieved sand is piled up to a certain height in the mold plate, and filling the mold plate Step S44 for pressing the sand filled in the mold plate in order to make the sand further tight, when the mold plate is removed by turning the entire sand mold upside down, a plurality of dents are formed in the sand mold, Step S45 in which the linear structure is formed in the corresponding recess, Step S46 in which pig iron is cast in each recess, and the casting is left as it is until solidification to cast from the sand mold Comprising the step S47 to the release.

本発明のマンホールおよびハンドホールの蓋の製造方法により、粒状構造と線状構造とから構成され、立体感が溢れる模様を有するマンホールおよびハンドホールの蓋を製造することができる。   According to the method for manufacturing a manhole and a handhole cover of the present invention, it is possible to manufacture a manhole and a handhole cover having a pattern that is composed of a granular structure and a linear structure and has a three-dimensional effect.

本発明のマンホールの蓋の上面の立体感を有する模様により、表現したい特色が表現可能となる。さらにマンホールの蓋の上面の立体感を有する模様を見れば、観光客などは当該地方の特色や歴史などを理解し易くなり、景観もさらに美しくなる。   The spot color desired to be expressed can be expressed by the three-dimensional pattern on the upper surface of the manhole cover of the present invention. If you look at the three-dimensional pattern on the top of the manhole cover, it will be easier for tourists to understand the characteristics and history of the region, and the scenery will be even more beautiful.

本発明の一実施形態によるマンホールをモールドプレートおよびモールドに合わせて鋳造工程を示す概略図である。It is the schematic which shows a casting process by matching the manhole by one Embodiment of this invention with a mold plate and a mold. 本発明の一実施形態によるマンホールの平面図である。It is a top view of the manhole by one Embodiment of this invention. 図２のＡ−Ａ線の断面図である。It is sectional drawing of the AA line of FIG. 本発明の一実施形態によるマンホールの製造方法を示すフローチャートである。3 is a flowchart illustrating a method for manufacturing a manhole according to an embodiment of the present invention. 従来のマンホールの蓋の平面図である。It is a top view of the lid | cover of the conventional manhole.

符号の説明Explanation of symbols

１：マンホールおよびハンドホールの蓋、２：モールド、３：マンホールおよびハンドホールの蓋、５：マンホールおよびハンドホールの蓋、１１：模様、１２：表面、２１：模様、２２：表面、３１：螺旋状構造、３２：線状構造、３３：円形構造、３４：小円形模様、３５：模様、３６：模様、３７：線状構造、３８：大円形模様、Ｓ４１：モールドプレート用意、４２：砂篩い、Ｓ４３：砂埋め、Ｓ４４：砂整え、Ｓ４５：モールドプレート取り外し、Ｓ４６：鋳込み、Ｓ４７：完成品、１１１：粒状構造、１２１：線状構造、２１１：粒状構造、２２１：線状構造、３１１：粒状構造、３３１：粒状構造、３４１：粒状構造   1: Manhole and handhole cover, 2: Mold, 3: Manhole and handhole cover, 5: Manhole and handhole cover, 11: Pattern, 12: Surface, 21: Pattern, 22: Surface, 31: Spiral 32: linear structure, 33: circular structure, 34: small circular pattern, 35: pattern, 36: pattern, 37: linear structure, 38: large circular pattern, S41: mold plate preparation, 42: sand sieve , S43: Sand filling, S44: Sand preparation, S45: Mold plate removal, S46: Casting, S47: Finished product, 111: Granular structure, 121: Linear structure, 211: Granular structure, 221: Linear structure, 311: Granular structure, 331: granular structure, 341: granular structure

Claims (4)

上面に模様が複数設けられ、前記各模様は凹みにより離隔され、前記各模様間の表面には異なる形状を有する粒状構造および線状構造がそれぞれ複数設けられ、前記各模様が設計通りに配列されるモールドに対応し、鋳造後、表面の形状が前記モールドの表面の各模様と同様になるマンホールおよびハンドホールの蓋であって、
前記表面の形状にある前記各模様が予め定められた部位に位置し、かつ設計通りに前記各模様は凹みにより離隔され、前記各模様の表面および前記各模様の周囲の表面には異なる形状を有する前記粒状構造および前記線状構造がそれぞれ複数形成され、かつ前記各模様は設計通りに配置され、設計のテーマを表現することを特徴とするマンホールおよびハンドホールの蓋。 A plurality of patterns are provided on the upper surface, the patterns are separated by depressions, and a plurality of granular structures and linear structures having different shapes are provided on the surface between the patterns, and the patterns are arranged as designed. Corresponding to the mold, and after casting, the shape of the surface is similar to each pattern on the surface of the mold, a manhole and a handhole cover,
Each pattern in the shape of the surface is located at a predetermined site, and the patterns are separated by a dent as designed, and the surface of each pattern and the surface around each pattern have different shapes. A manhole and a handhole cover, wherein a plurality of the granular structure and the linear structure are formed, and each pattern is arranged as designed to express a design theme. 周縁に取出作業を容易にする貫通孔が一つ以上設けられることを特徴とする請求項１記載のマンホールおよびハンドホールの蓋。   The manhole and handhole cover according to claim 1, wherein at least one through-hole is provided at the periphery to facilitate an extraction operation. 表面に識別用の文字が設けられることを特徴とする請求項１記載のマンホールおよびハンドホールの蓋。   The manhole and handhole cover according to claim 1, wherein characters for identification are provided on the surface. 砂を入れ、盛上げられて形成されるモールドプレートを用意する工程と、
前記モールドプレート上に篩いを設置し、砂を篩い、篩われた砂が前記モールドプレート内に落下して一定の高さに積上げられるまで砂を篩い落とす工程と、
篩われた砂が前記モールドプレート内に一定の高さに積上げられ、篩われなかった砂で前記篩われた砂の上面をカバーする工程と、
前記モールドプレートに充填された砂の間隔をさらに緊密にするため、前記モールドプレートに充填された砂を押さえる工程と、
モールド全体を裏返し、モールドプレートを取り外し、前記モールドに複数の凹みが形成され、かつ前記モールドの模様の粒状構造あるいは条状構造がそれぞれに対応する凹みに形成される工程と、
前記各凹みに銑鉄を鋳込む工程と、
固まるまで鋳物を放置し、前記モールドから鋳物を離型する工程と、
を含むことを特徴とするマンホールおよびハンドホールの蓋の製造方法。 Putting sand and preparing a mold plate that is raised and formed,
Installing a sieve on the mold plate, sieving the sand, sieving the sand until the sieved sand falls into the mold plate and is stacked at a certain height; and
Sieving sand is stacked at a certain height in the mold plate, and covering the upper surface of the sieving sand with unsieved sand;
A step of pressing the sand filled in the mold plate in order to make the interval between the sand filled in the mold plate more tight;
Turning the entire mold upside down, removing the mold plate, forming a plurality of dents in the mold, and forming a granular structure or stripe structure of the pattern of the mold in the corresponding dents;
Casting pig iron into each of the recesses;
Leaving the casting until it hardens, releasing the casting from the mold;
The manufacturing method of the lid | cover of a manhole and a handhole characterized by including these.
JP2007291984A 2007-06-22 2007-11-09 Handhole and lid of manhole, manufacturing method for these Pending JP2009002139A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW096122558A TW200900560A (en) 2007-06-22 2007-06-22 A manhole (hand hole) cover and the manufacture method thereof

Publications (1)

Publication Number Publication Date
JP2009002139A true JP2009002139A (en) 2009-01-08

Family

ID=40318817

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007291984A Pending JP2009002139A (en) 2007-06-22 2007-11-09 Handhole and lid of manhole, manufacturing method for these

Country Status (3)

Country Link
JP (1) JP2009002139A (en)
KR (1) KR20080112900A (en)
TW (1) TW200900560A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102305001B1 (en) 2020-05-28 2021-09-23 김승중 Method for manufaturing manhole cover

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5842252A (en) * 1981-09-07 1983-03-11 Toshiba Corp Manufacture of semiconductor device
JPS62224446A (en) * 1986-03-25 1987-10-02 Honda Motor Co Ltd Production of reversal pattern for forming casting mold
JPS6395751A (en) * 1986-10-13 1988-04-26 Hitachi Ltd Data transmission system
JPS63288703A (en) * 1987-05-22 1988-11-25 Hitachi Ltd Mold, method and apparatus for making mold, method and apparatus for casting, cast article and molding material
JPH07189277A (en) * 1993-12-27 1995-07-28 Fuji Great Kogyo Kk Patterned iron cover and manufacture thereof
JPH08319630A (en) * 1995-05-24 1996-12-03 Okamoto:Kk Manhole cover made of cast iron and manufacture thereof
JPH10131224A (en) * 1995-12-28 1998-05-19 Hinode Suido Kiki Kk Cover main body of cover for underground structure
JP2000144779A (en) * 1998-11-05 2000-05-26 Sugiaki Kusatake Cover receiving frame or cover for burying into ground surface
JP2001032310A (en) * 1999-07-22 2001-02-06 Nippon Chutetsukan Kk Iron cover
JP2001262599A (en) * 2000-03-16 2001-09-26 Nippon Chutetsukan Kk Iron cover having nonslip function
JP2002188168A (en) * 2000-12-19 2002-07-05 Asahi Tec Corp Cover for underground structure
JP2003181596A (en) * 2001-12-10 2003-07-02 Sakakibara Model Kk Method for manufacturing casting pattern and master mold for pattern
JP2003313894A (en) * 2002-04-24 2003-11-06 Suzuki Chutetsu Kogyo Kk Manhole cover
JP2004295069A (en) * 2002-10-18 2004-10-21 Ozaki Kogyo Kk Method for fixing outdoor marker light device
JP2006225994A (en) * 2005-02-17 2006-08-31 Asahi Tec Corp Lid for underground structure and method of evaluating the same

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5842252A (en) * 1981-09-07 1983-03-11 Toshiba Corp Manufacture of semiconductor device
JPS62224446A (en) * 1986-03-25 1987-10-02 Honda Motor Co Ltd Production of reversal pattern for forming casting mold
JPS6395751A (en) * 1986-10-13 1988-04-26 Hitachi Ltd Data transmission system
JPS63288703A (en) * 1987-05-22 1988-11-25 Hitachi Ltd Mold, method and apparatus for making mold, method and apparatus for casting, cast article and molding material
JPH07189277A (en) * 1993-12-27 1995-07-28 Fuji Great Kogyo Kk Patterned iron cover and manufacture thereof
JPH08319630A (en) * 1995-05-24 1996-12-03 Okamoto:Kk Manhole cover made of cast iron and manufacture thereof
JPH10131224A (en) * 1995-12-28 1998-05-19 Hinode Suido Kiki Kk Cover main body of cover for underground structure
JP2000144779A (en) * 1998-11-05 2000-05-26 Sugiaki Kusatake Cover receiving frame or cover for burying into ground surface
JP2001032310A (en) * 1999-07-22 2001-02-06 Nippon Chutetsukan Kk Iron cover
JP2001262599A (en) * 2000-03-16 2001-09-26 Nippon Chutetsukan Kk Iron cover having nonslip function
JP2002188168A (en) * 2000-12-19 2002-07-05 Asahi Tec Corp Cover for underground structure
JP2003181596A (en) * 2001-12-10 2003-07-02 Sakakibara Model Kk Method for manufacturing casting pattern and master mold for pattern
JP2003313894A (en) * 2002-04-24 2003-11-06 Suzuki Chutetsu Kogyo Kk Manhole cover
JP2004295069A (en) * 2002-10-18 2004-10-21 Ozaki Kogyo Kk Method for fixing outdoor marker light device
JP2006225994A (en) * 2005-02-17 2006-08-31 Asahi Tec Corp Lid for underground structure and method of evaluating the same

Also Published As

Publication number Publication date
TW200900560A (en) 2009-01-01
KR20080112900A (en) 2008-12-26

Similar Documents

Publication Publication Date Title
JP2019517154A5 (en)
CN101607299A (en) The founding casing with vacuum formative method of large complicated foundry goods
RU2018126507A (en) IMPROVED FLEXOGRAPHIC PRINTING
CN107407087A (en) The prefabricated board template constructed suitable for building and garden
JP2009002139A (en) Handhole and lid of manhole, manufacturing method for these
CN105903899B (en) The casting method and sand box mould component of a kind of steelmaking slag pot
DK202300059Y3 (en) Grate for use in street or yard drains
JP7453455B1 (en) Manufacturing method of metal plate with openwork pattern
KR101322446B1 (en) An assembling mold manufacture method for a temple bell casting
JP3124617U (en) Space partial partition form for molding multi-spaced concrete blocks
JP3173128U (en) Revetment block and forming mold apparatus for forming the same
US1010392A (en) Mold.
JP4987096B2 (en) Revetment block, revetment using this revetment block, revetment block forming mold apparatus, and revetment block forming method
KR101836609B1 (en) Manufacturing method of concrete panel
JP3195648U (en) Formwork set for casting production
JP4914631B2 (en) Manufacturing method of remaining mold
CN203470841U (en) Vacuum pumping device for foundry casting
CN211762339U (en) Concrete bolt apparatus for producing
JPS6015419B2 (en) A casting method that accurately represents the pattern of cast products
JP3711049B2 (en) Stacking blocks
JP6654030B2 (en) Core molding method
JP2009214403A (en) Concrete form for molding concrete block
ITMO20060130A1 (en) PROCEDURE FOR THE MANUFACTURE OF BUILDING ELEMENTS FOR THE REALIZATION OF WALLS WITH FILLING OF REPLACEMENT MATERIALS, PARTICULARLY LAND OR SIMILAR.
JP3121966U (en) Wire mesh support block and its production form
CN101435205A (en) Hole cap and manufacturing method thereof

Legal Events

Date Code Title Description
A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20101202

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20110421