JPS644699Y2 - - Google Patents
Info
- Publication number
- JPS644699Y2 JPS644699Y2 JP1986040816U JP4081686U JPS644699Y2 JP S644699 Y2 JPS644699 Y2 JP S644699Y2 JP 1986040816 U JP1986040816 U JP 1986040816U JP 4081686 U JP4081686 U JP 4081686U JP S644699 Y2 JPS644699 Y2 JP S644699Y2
- Authority
- JP
- Japan
- Prior art keywords
- rust
- coil
- packaging sheet
- paper
- cylindrical coil
- 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.)
- Expired
Links
- 238000004806 packaging method and process Methods 0.000 claims description 57
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 45
- 239000000123 paper Substances 0.000 claims description 40
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 24
- 230000007935 neutral effect Effects 0.000 claims description 21
- 230000003449 preventive effect Effects 0.000 claims description 13
- 229910052742 iron Inorganic materials 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 239000002655 kraft paper Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 210000005069 ears Anatomy 0.000 claims 1
- 230000000694 effects Effects 0.000 description 9
- 230000002265 prevention Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000013556 antirust agent Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- ZFAKTZXUUNBLEB-UHFFFAOYSA-N dicyclohexylazanium;nitrite Chemical compound [O-]N=O.C1CCCCC1[NH2+]C1CCCCC1 ZFAKTZXUUNBLEB-UHFFFAOYSA-N 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
Landscapes
- Packaging Of Machine Parts And Wound Products (AREA)
- Packages (AREA)
- Wrappers (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は鉄板コイル等の筒状コイル用包装シー
ト、さらに詳しくは、鉄板コイル等ロール状に巻
装された筒状コイルを包装するための包装シート
に関する。[Detailed description of the invention] (Field of industrial application) The present invention is a packaging sheet for cylindrical coils such as iron plate coils, more specifically, a packaging sheet for wrapping cylindrical coils wound into rolls such as iron plate coils. Regarding packaging sheets.
（従来の技術）
一般にこの種鉄板等の筒状コイル用包装シート
としては、クラフト紙からなるシートが使用され
ている。(Prior Art) A sheet made of kraft paper is generally used as a packaging sheet for a cylindrical coil such as this kind of iron plate.
（考案が解決しようとする問題点）
しかしながら、このような包装シートで筒状コ
イルを包装しても、シートとコイル間にどうして
も水分や空気が浸入し、これがコイル表面に錆を
発生させる重大な要因となつていた。特に筒状コ
イルの端部においては、シートとコイル間に隙間
が生じ易いため、その隙間から水分等が浸入して
コイル端部に付着し、よつてこのコイル端部から
最も顕著に錆が発生することとなつていた。(Problem that the invention aims to solve) However, even if a cylindrical coil is wrapped with such a packaging sheet, moisture and air will inevitably enter between the sheet and the coil, which can cause serious rust on the coil surface. It was a contributing factor. Particularly at the ends of cylindrical coils, gaps tend to form between the sheet and the coil, so moisture, etc. infiltrates through these gaps and adheres to the ends of the coils, causing rust to occur most noticeably from the ends of the coils. It was customary to do so.
又、上記従来の包装シートは、酸性に処理され
たクラフト紙で構成されていたため、包装シート
がコイル表面に長期間接触していると、そのコイ
ル表面が酸化されて、これも錆発生の要因とな
る。 In addition, the conventional packaging sheet mentioned above was made of acid-treated kraft paper, so if the packaging sheet was in contact with the coil surface for a long period of time, the coil surface would become oxidized, which is also a cause of rust. becomes.
従つて、いずれにしても上記従来の包装シート
ではこのような錆の発生に対処し得ず、よつてこ
の筒状コイルにおける錆の発生、特にコイル端部
での錆の発生は解決すべき重要な問題となつてい
た。 Therefore, in any case, the above-mentioned conventional packaging sheets cannot deal with the occurrence of such rust, and therefore, the occurrence of rust in this cylindrical coil, especially the occurrence of rust at the ends of the coil, is an important problem that must be solved. It had become a serious problem.
そこでこのような錆の発生を防止するため、包
装シートを防錆紙で構成することが考えられる
が、一般に防錆紙自体は非常に高価なものである
ため、包装シート全体を防錆紙で構成すると、製
造コストが大幅に増大し、到底実用に供し難いも
のとなる。 Therefore, in order to prevent the occurrence of rust, it is considered that the packaging sheet is made of rust-proof paper, but since the rust-proof paper itself is generally very expensive, it is recommended that the entire packaging sheet be made of rust-proof paper. If this configuration is adopted, the manufacturing cost will increase significantly and it will be difficult to put it into practical use.
本考案は上述のような問題点を解決するために
なされたもので、筒状コイルにおける錆の発生、
特にコイル端部からの錆の発生を防止し、しかも
包装シートの製造コストの増大を阻止することを
目的とするものである。 This invention was made to solve the above-mentioned problems, such as the occurrence of rust in cylindrical coils,
In particular, the purpose is to prevent the occurrence of rust from the end portions of the coil, and also to prevent an increase in the manufacturing cost of the packaging sheet.
（問題点を解決するための手段）
本考案は上述のような問題点を解決するため
に、筒状に巻装された鉄板等の筒状コイルへの包
装時に、該筒状コイルの両端開口部の内周面に、
両端の耳片が折込可能となるよう前記筒状コイル
の寸法に合わせて所定の幅に形成された鉄板等の
筒状コイル用包装シートにおいて、包装シート本
体が中性紙又は中性フイルムからなり、且つ前記
筒状コイルへの包装時に該筒状コイルの両端部を
被覆しうるよう前記包装シート本体の内面側の筒
状コイルの両端部と対面する位置に、気化性の防
錆剤を有する防錆紙又は防錆フイルムを設けたこ
とを要旨とするものである。(Means for Solving the Problems) In order to solve the above-mentioned problems, the present invention aims to solve the above-mentioned problems by opening both ends of the cylindrical coil when packaging it into a cylindrical coil such as an iron plate wound into a cylindrical shape. On the inner peripheral surface of the
In a packaging sheet for a cylindrical coil such as an iron plate formed to a predetermined width according to the dimensions of the cylindrical coil so that the tabs at both ends can be folded, the packaging sheet body is made of neutral paper or neutral film. , and a vaporizable rust preventive agent is provided on the inner surface of the packaging sheet body at a position facing both ends of the cylindrical coil so as to cover both ends of the cylindrical coil when packaging the cylindrical coil. The gist is that rust-proof paper or rust-proof film is provided.
（作用）
すなわち、このような構成からなる包装シート
で筒状コイルを包装すると、最も錆の発生し易い
コイルの端部は上記包装シート本体の内面側の筒
状コイルの両端部と対面する位置に設けられた防
錆紙又は防錆フイルムで被覆されるため、このコ
イル端部での錆の発生が防止されるとともに、こ
の防錆紙又は防錆フイルムに含有された防錆剤が
気化して、その気化した防錆剤が上記防錆紙等の
設けられていない包装シート本体とコイル表面間
に進入し、従つてコイル端部のみならずコイルの
周面も前記気化した防錆剤によつて錆の発生が防
止されることとなる。しかも包装シート本体自体
が中性紙又は中性フイルムで構成されてなるた
め、包装シート本体がコイル表面に接触しても、
そのコイル表面が酸化されるようなこともなく、
よつてこれがコイル周面の錆発生防止に寄与する
のである。(Function) That is, when a cylindrical coil is wrapped with a packaging sheet having such a structure, the end of the coil where rust is most likely to occur is located at a position facing both ends of the cylindrical coil on the inner surface side of the packaging sheet main body. Since the end of the coil is covered with rust-proof paper or film, rust is prevented from forming at the end of the coil, and the rust-preventive agent contained in the rust-proof paper or film is not vaporized. Then, the vaporized rust preventive agent enters between the coil surface and the packaging sheet body, which is not provided with the rust preventive paper, and therefore not only the ends of the coil but also the circumferential surface of the coil are exposed to the vaporized rust preventive agent. As a result, rust is prevented from forming. Moreover, since the packaging sheet itself is made of neutral paper or film, even if the packaging sheet comes into contact with the coil surface,
The coil surface will not be oxidized,
Therefore, this contributes to preventing rust from occurring on the circumferential surface of the coil.
（実施例）
以下、本考案の実施態様について図面に示した
一実施例に従つて説明する。(Example) Hereinafter, embodiments of the present invention will be described according to an example shown in the drawings.
第１図において、１はクラフト紙を中性に処理
して構成された中性紙からなる長尺状の包装シー
ト本体で、鉄板からなる筒状コイル２への包装時
に、該筒状コイル２の両端入口部の内周面に前記
包装シート本体の耳片３，３が折り込み可能とな
るよう、前記筒状コイル２の寸法より所定寸法幅
広に形成されてなる。 In FIG. 1, reference numeral 1 denotes a long packaging sheet body made of neutral paper made by processing kraft paper to make it neutral. It is formed to be wider by a predetermined dimension than the dimension of the cylindrical coil 2 so that the tabs 3, 3 of the packaging sheet main body can be folded into the inner circumferential surface of the entrance portions at both ends.
４，４は、たとえば亜硝酸ジシクロヘキシルア
ンモニウム等の気化性の防錆剤をクラフト紙に塗
着して構成された１対の帯状の防錆紙で、前記包
装シート本体１の筒状コイル２への包装時に、該
筒状コイル２の端部５，５を被覆しうるよう、前
記包装シート本体１の内側面の筒状コイル２と対
面する位置で且つ耳片３，３の内側に一体的に貼
着されてなる。 Reference numerals 4 and 4 designate a pair of band-shaped anti-corrosion papers made by coating kraft paper with a volatile anti-rust agent such as dicyclohexylammonium nitrite, which are attached to the cylindrical coil 2 of the packaging sheet main body 1. In order to cover the ends 5, 5 of the cylindrical coil 2 during packaging, it is integrally formed on the inner surface of the packaging sheet body 1 at a position facing the cylindrical coil 2 and on the inside of the ear pieces 3, 3. It becomes attached to.
そしてこのような構成からなる包装シート７
は、不使用時においてはロール状に巻装されてな
り、使用する場合には、一端側から引き出されて
筒状コイル２の外周に巻回してその表面を包装
し、且つ所定位置で自動的に切断され、第２図に
示すように両側の耳片３，３が筒状コイル２の両
端入口部の内周面６，６に折込まれて筒状コイル
２全体が包装されるのである。 A packaging sheet 7 having such a configuration
is wound into a roll when not in use, and when in use, it is pulled out from one end, wound around the outer periphery of the cylindrical coil 2, wrapping its surface, and automatically moved to a predetermined position. As shown in FIG. 2, the tabs 3, 3 on both sides are folded into the inner circumferential surfaces 6, 6 of the inlets at both ends of the cylindrical coil 2, and the entire cylindrical coil 2 is packaged.
この場合において、包装シート本体１の内面側
の筒状コイル２の両端部と対面する位置で且つ耳
片３，３の手前側に防錆紙４，４が設けられてな
るため、前記筒状コイル２の端部５，５は、最も
錆が発生し易いにもかかわらず、前記防錆紙４，
４に被覆されて、その錆の発生が防止されるので
ある。 In this case, since the anti-rust papers 4, 4 are provided at positions facing both ends of the cylindrical coil 2 on the inner surface side of the packaging sheet main body 1 and on the near side of the ear pieces 3, 3, the cylindrical Although the ends 5, 5 of the coil 2 are the most prone to rust, the anti-rust paper 4,
4 to prevent rust from forming.
又、この防錆紙４，４に含有されている防錆剤
が気化し、その気化した防錆剤が包装シート本体
１と筒状コイル２の周面間の隙間８内に進入し、
従つてこの進入した気化防錆剤によりコイル２の
周面の錆の発生も防止される。特に包装シート本
体１が中性紙で構成されてなるため、包装シート
本体１が筒状コイル２の表面に接触しても、その
表面が酸化されないために、筒状コイル２の周面
の錆発生防止効果が一層良好となるのである。 Further, the rust preventive agent contained in the rust preventive papers 4, 4 is vaporized, and the vaporized rust preventive agent enters the gap 8 between the packaging sheet body 1 and the circumferential surface of the cylindrical coil 2.
Therefore, the vaporized rust preventive agent that has entered also prevents rust from forming on the circumferential surface of the coil 2. In particular, since the packaging sheet body 1 is made of neutral paper, even if the packaging sheet body 1 comes into contact with the surface of the cylindrical coil 2, the surface will not be oxidized, so rust on the circumferential surface of the cylindrical coil 2 will not occur. The prevention effect becomes even better.
このように、上記実施例では包装シート本体１
が中性紙で構成され、特に錆の発生し易い筒状コ
イル２の端部５，５に対応する位置にのみ高価な
防錆紙４，４が設けられてなるため、包装シート
全体のコストが増大することもないのである。 In this way, in the above embodiment, the packaging sheet main body 1
is made of neutral paper, and expensive anti-corrosion paper 4, 4 is provided only at the positions corresponding to the ends 5, 5 of the cylindrical coil 2, which are particularly prone to rust, so the cost of the entire packaging sheet is reduced. will not increase.
尚、上記実施例では包装シート本体１が、クラ
フト紙を中性に処理した中性紙で構成されてなる
が、これに限らず、クラフト紙以外の紙を中性に
処理したものであつてもよく、さらには紙以外の
フイルム、たとえばポリエステルフイルムのよう
な中性フイルムで構成されたものであつてもよ
い。要は中性に処理された中性紙又は中性フイル
ムで構成されていればよいのである。 In the above embodiment, the packaging sheet main body 1 is made of neutral paper obtained by treating kraft paper to be neutral, but it is not limited to this, and may be made of paper other than kraft paper treated to be neutral. Furthermore, it may be made of a film other than paper, for example, a neutral film such as a polyester film. In short, it only needs to be made of neutral paper or neutral film that has been treated to be neutral.
さらに、防錆紙４，４の素材も該実施例のよう
なクラフト紙に防錆剤を塗着したものに限らず、
クラフト紙以外の紙をベースにしたものであつて
もよく、又紙に限らず、防錆剤を含有させたフイ
ルムで構成されていてもよい。要は防錆紙又は防
錆フイルムが包装シート本体１の上記のような所
定位置内面に設けられていればよいのである。 Furthermore, the material of the anti-rust papers 4, 4 is not limited to kraft paper coated with an anti-rust agent as in the embodiment.
It may be based on paper other than kraft paper, and it is not limited to paper, and may be composed of a film containing a rust preventive agent. In short, it is only necessary that the rust-proof paper or the rust-proof film be provided on the inner surface of the packaging sheet main body 1 at the predetermined position as described above.
さらに、防錆紙又は防錆フイルムを包装シート
本体１に設ける手段も該実施例のような貼着に限
定されず、たとえばラミネート等の手段であつて
もよい。 Furthermore, the means for providing the anticorrosive paper or anticorrosive film on the packaging sheet body 1 is not limited to pasting as in the embodiment, and may also be, for example, lamination or the like.
さらに該実施例では包装シート本体１が長尺状
に形成されてなるため、連続的且つ自動的に包装
作業を行えるという好ましい効果が得られたが、
包装シート本体１は必ずしも長尺状に形成される
必要はなく、定寸のものであつてもよい。 Furthermore, in this example, since the packaging sheet main body 1 was formed in a long shape, a favorable effect was obtained in that the packaging work could be carried out continuously and automatically.
The packaging sheet main body 1 does not necessarily have to be formed into an elongated shape, and may have a fixed size.
尚、上記包装シート７は、上述のように鉄板か
らなる筒状コイル２の包装を前提とするものでは
あるが、鉄板以外の筒状コイル２の包装に使用す
ることも可能である。 Although the packaging sheet 7 is intended for packaging cylindrical coils 2 made of iron plates as described above, it can also be used for packaging cylindrical coils 2 other than iron plates.
（考案の効果）
本考案は以上のような特徴を有するものなるた
め、次のような顕著な効果を有するに至つた。(Effects of the invention) Since the present invention has the above-mentioned characteristics, it has achieved the following remarkable effects.
(イ) すなわち、筒状コイルにおいて最も錆の発生
し易いコイルの両端部を被覆しうるよう、包装
シート本体の両側内面に防錆紙又は防錆フイル
ムが設けられてなるため、この防錆紙で上記コ
イル両端部が被覆されて、その両端部からの錆
の発生を確実に防止でき、しかもこの防錆紙等
に含有された防錆剤が気化してコイル端部から
周面側へ進入し、それによつてコイルの周面も
同時に防錆され、よつて筒状コイル全体に対す
る防錆効果が従来に比べて著しく向上すること
となつた。又、このように防錆紙等がコイルの
端部に対面する位置にのみ設けられていても、
防錆剤が気化して包装シート本体とコイル間に
侵入してコイルの全体に行きわたつて全体の防
錆効果を維持できるため、防錆紙等を包装シー
ト本体の全面に設ける必要もなく、従つて、製
造コストの増大を防止することができるという
効果がある。(b) In other words, rust-proof paper or rust-proof film is provided on both inner surfaces of the packaging sheet body to cover both ends of the coil where rust is most likely to occur in a cylindrical coil. Both ends of the coil are coated with this, and rust can be reliably prevented from forming on both ends.In addition, the rust preventive agent contained in the rust preventive paper evaporates and enters the circumferential surface from the end of the coil. However, as a result, the circumferential surface of the coil is also rust-proofed, and the rust-preventing effect on the entire cylindrical coil is significantly improved compared to the conventional method. Also, even if anti-corrosion paper etc. is provided only at the position facing the end of the coil,
The rust preventive agent evaporates and enters between the packaging sheet body and the coil and spreads throughout the coil, maintaining the overall rust prevention effect, so there is no need to provide rust prevention paper etc. on the entire surface of the packaging sheet body. Therefore, there is an effect that an increase in manufacturing costs can be prevented.
(ロ) さらに、包装シート本体が中性紙又は中性フ
イルムで構成されてなるため、酸性に処理され
たクラフト紙からなる従来のコイル用包装紙の
ように、包装時にコイルの表面と接触しても、
そのコイル表面が酸化されることもなく、よつ
てこれがコイル表面の錆発生防止効果を一層向
上させることとなるのである。(b) Furthermore, since the packaging sheet body is made of neutral paper or neutral film, it does not come into contact with the surface of the coil during packaging, unlike conventional coil wrapping paper made of acid-treated kraft paper. Even though
The coil surface is not oxidized, and this further improves the rust prevention effect on the coil surface.
(ハ) このように、本考案は包装シート本体自体
は、コイル表面に接触してもそのコイル表面を
酸化させない一般に安価な中性紙で構成し、且
つ錆が顕著に発生するコイルの端部に対応する
位置にのみ効果な防錆紙又は防錆フイルムを設
けたものなるため、包装シート本体の製造コス
トが増大するようなこともなく、錆発生とコス
トとの相反する問題を同時に解決でき、よつて
この種鉄板等筒状コイルの錆発生の要因に十分
対処しうるような優れた防錆効果を有するとと
もにコスト面でも無駄のない経済的なコイル用
包装紙を提供しうるという格別顕著な効果を有
するに至つた。(c) In this way, the packaging sheet itself is made of generally inexpensive neutral paper that does not oxidize the coil surface even if it comes into contact with the coil surface, and the end portion of the coil where rust occurs noticeably. Since the anti-rust paper or anti-rust film is provided only in the corresponding position, the manufacturing cost of the packaging sheet itself does not increase, and the contradictory problems of rust occurrence and cost can be solved at the same time. Therefore, it is particularly remarkable that it is possible to provide an economical wrapping paper for coils that has an excellent rust prevention effect that can sufficiently deal with the causes of rust occurrence in cylindrical coils such as iron plates, and is also economical in terms of cost. It has come to have a great effect.
第１図は一実施例としての筒状コイル用包装紙
を示し、イは平面図、ロはイのＡ−Ａ線拡大断面
図。第２図は使用時の縦断面図。
１……包装シート本体、２……筒状コイル、
４，４……防錆紙、５，５……端部。
FIG. 1 shows a wrapping paper for a cylindrical coil as an example, in which A is a plan view and B is an enlarged sectional view taken along the line A-A of A. Figure 2 is a longitudinal cross-sectional view during use. 1... Packaging sheet body, 2... Cylindrical coil,
4, 4... Rust-proof paper, 5, 5... Edge.
Claims (1)
包装時に、該筒状コイル２の両端開口部の内周
面に、両端の耳片３，３が折込可能となるよう
前記筒状コイル２の寸法に合わせて所定の幅に
形成された鉄板等の筒状コイル用包装シートに
おいて、包装シート本体１が中性紙又は中性フ
イルムからなり、且つ前記筒状コイル２への包
装時に該筒状コイル２の両端部５，５を被覆し
うるよう、前記包装シート本体１の内面側の筒
状コイル２の両端部と対面する位置に、気化性
の防錆剤を有する防錆紙又は防錆フイルムが設
けられてなることを特徴とする鉄板等の筒状コ
イル用包装シート。 ２ 前記中性紙が、クラフト紙を中性に処理して
構成されてなる実用新案登録請求の範囲第１項
記載の鉄板等の筒状コイル用包装シート。[Claims for Utility Model Registration] 1. When packaging a cylindrical coil 2 such as an iron plate wound into a cylindrical shape, ears 3, 3 at both ends are attached to the inner peripheral surface of the opening at both ends of the cylindrical coil 2. In a packaging sheet for a cylindrical coil such as an iron plate formed to a predetermined width according to the dimensions of the cylindrical coil 2 so as to be foldable, the packaging sheet body 1 is made of neutral paper or a neutral film, and In order to cover both ends 5, 5 of the cylindrical coil 2 during packaging into the cylindrical coil 2, a vaporizable material is placed on the inner surface of the packaging sheet body 1 at a position facing both ends of the cylindrical coil 2. A packaging sheet for a cylindrical coil such as an iron plate, characterized in that it is provided with a rust-proof paper or a rust-proof film having a rust preventive agent. 2. A packaging sheet for a cylindrical coil such as an iron plate according to claim 1, wherein the neutral paper is made of kraft paper treated to be neutral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986040816U JPS644699Y2 (en) | 1986-03-20 | 1986-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986040816U JPS644699Y2 (en) | 1986-03-20 | 1986-03-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62152957U JPS62152957U (en) | 1987-09-28 |
| JPS644699Y2 true JPS644699Y2 (en) | 1989-02-07 |
Family
ID=30855239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986040816U Expired JPS644699Y2 (en) | 1986-03-20 | 1986-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS644699Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6034435B2 (en) * | 1978-11-09 | 1985-08-08 | 井関農機株式会社 | Stone waste removal device of stone grain sorting machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6034435U (en) * | 1983-08-16 | 1985-03-09 | 中村 次郎吉 | rustproof paper |
-
1986
- 1986-03-20 JP JP1986040816U patent/JPS644699Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6034435B2 (en) * | 1978-11-09 | 1985-08-08 | 井関農機株式会社 | Stone waste removal device of stone grain sorting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62152957U (en) | 1987-09-28 |
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