JP3588081B2 - Recycled paper tube and its manufacturing method - Google Patents
Recycled paper tube and its manufacturing method Download PDFInfo
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- JP3588081B2 JP3588081B2 JP2002006953A JP2002006953A JP3588081B2 JP 3588081 B2 JP3588081 B2 JP 3588081B2 JP 2002006953 A JP2002006953 A JP 2002006953A JP 2002006953 A JP2002006953 A JP 2002006953A JP 3588081 B2 JP3588081 B2 JP 3588081B2
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- Prior art keywords
- paper tube
- paper
- used paper
- long
- tube
- 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 - Fee Related
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- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000000123 paper Substances 0.000 description 95
- 238000005520 cutting process Methods 0.000 description 7
- 238000004804 winding Methods 0.000 description 7
- 239000010893 paper waste Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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Description
【０００１】
【発明の属する分野】
本発明は、紙や紙板を巻回する芯となる紙管等、工業的に使用され且つ再利用される再生紙管及びその製法に関するものである。
【０００２】
【従来の技術】
従来の斯種紙管の再生方法は、古紙管の端部等、損傷部分を切断除去し、この複数の古紙管の端面どうしを突き合わせて接合している。
古紙管の端面には、互いに嵌合する凸部と凹部を形成しておき、接合部の強度を向上させ、或いは隣り合う紙管どうしの回転滑りを防止することが実施されている。
又、隣り合う古紙管の端面に跨って、ステイプルを打ち込んで連結することも行われている。
又、隣り合う紙管の内面に跨って鉄心を介装して、座屈や捻れに対する強度を高めることも提案されている。
【０００３】
【発明が解決しようとする課題】
しかし、上記何れの場合も、古紙管の外周面について何等考慮されていない。古紙管の外面は、傷付きや、紙管に巻回していた新聞用紙等の帯状シートの端縁を止めるための接着剤跡が残って汚く目立ち、又、それらによる凹凸が紙管の再使用のために邪魔になることがあった。
特に、古紙管をステイプルで連結した場合、再生紙管の外周にステイプルが突出して段差を生じ、紙管に巻回する帯状シートに押形がついてしまう不都合がある。
【０００４】
本発明は、外観上は、新品の紙管と区別できない再生紙管及びその製法を明らかにするものである。
【０００５】
【課題を解決する手段】
本発明の再生紙管は、隣り合う古紙管（１）（２）の端面どうしが接続された長尺古紙管（３）の切削加工された均一外径の古い紙層（３１）の上に、新しい紙テープ（４０）がスパイラル状に巻かれて新層（４１）が被覆されている。
【０００６】
本発明の再生紙管の製法は、隣り合う古紙管（１）（２）の端面どうしを接続して長尺古紙管（３）を形成し、次に該長尺古紙管（３）の外周面を均一直径に切削し、接着剤を塗布した紙テープ（４０）を長尺古紙管（３）に必要な厚みだけスパイラル状に巻回して再生紙管（４）を形成する。
【０００７】
【作用及び効果】
古紙管（１）（２）を接続して長尺古紙管（３）とした後に、該長尺古紙管（３）の外周を切削するため、長尺古紙管（３）の外径は均一となり、外周面は傷付き、凹凸及び段差のない切削面となる。
上記均一外径の長尺古紙管（３）の切削面に紙テープ（４０）をスパイラル状に巻いて、長尺古紙管（３）の紙層（３１）の外側に紙テープ（４０）による新層（４１）を被覆するため、外見上は、新品の紙管と区別がつかない程度に美しく仕上げることができる。 又、新層（４１）は紙テープ（４０）をスパイラル状に巻いて形成されるため、古紙管（１）（２）の接続部に跨って紙テープ（４０）が巻回されるため、接続部の強度が高まる。
【０００８】
【発明の実施の形態】
図１は、本発明の再生紙管の繋ぎ部を示している。
再生紙管（４）は、複数の古紙管（１）（２）を１本に繋いで形成される。
隣り合う古紙管（１）（２）の突き合わせ端面に、互いに係合する凸部（１１）と凹部（２１）が形成されている。
【０００９】
実施例では、一方の古紙管（１）の端面外周を切削して内周寄りに筒状の凸部（１１）が形成され、該凸部（１１）の外周面に外ネジ（１２）が施されている。他方の古紙管（２）は端面内周を切削して前記凸部（１１）が嵌合する凹部（２１）が形成され、該凹部（２１）の内周面に内ネジ（２２）が施されている。
【００１０】
隣り合う古紙管（１）（２）は凸部（１１）と凹部（２１）を螺合して連結されて長尺古紙管（３）を形成しており、該長尺古紙管（３）は、外周面が所定量だけ削り取られて均一直径となり、その上に、裏面に接着剤を塗布した紙テープ（４０）を巻回して新層（４１）を形成している。
【００１１】
図２は、再生紙管（４）の製造手順を示している。
図２Ａに示す如く、古紙管（１）（２）の端部等、損傷部分を紙管の長手方向に対して直角に切断して切り取る。
図２Ｂに示す如く、接続すべき古紙管（１）（２）の内、一方の古紙管（１）に前記凸部（１１）、他方の古紙管（２）の端部に凹部（２１）を形成する。これは、旋盤による切削加工で簡単に形成できる。
【００１２】
図２Ｃに示す如く、両古紙管（１）（２）を、凸部（１１）と凹部（２１）を螺合して連結し長尺古紙管（３）を形成する。凸部（１１）の内ネジ（２２）、凹部（２１）の内ネジ（２２）に接着剤を塗布しておけば、長尺古紙管（３）の繋ぎ部の繋ぎ強度は一層高まる。
次に、長尺古紙管（３）を回転させ、該長尺古紙管（３）の外周を切削刃（７）によって全長に亘って所定深さだけ切削して均一直径に仕上げる。
【００１３】
図４に示す如く、２つの回転受けローラ（５）（５）上に長尺古紙管（３）を載せ、押さえローラ（６）で長尺古紙管（３）を押圧しつつ、長尺古紙管（３）と押さえローラ（６）との間に、裏面に接着剤を塗布した紙テープ（４０）を長尺古紙管（３）の軸心に対して斜めに潜り込ませて、図２Ｄに示す如く、長尺古紙管（３）の外周面に隙間なくスパイラル状に所定厚みだけ巻き付けて再生紙管（４）を形成する。
必要に応じて再生紙管（４）を所望長さに切断して使用する。
【００１４】
上記の如く、古紙管（１）（２）を互いの凸部（１１）と凹部（２１）を螺合して接続し、長尺古紙管（３）としたため、隣り合う古紙管（１）（２）どうしの連結が強固となり、長尺古紙管（３）の外周を切削する際に、隣り合う古紙管（１）（２）どうしの回転滑りも生じない。
【００１５】
外周を切削して均一直径となった長尺古紙管（３）の紙層（３１）の上に、紙テープ（４０）をスパイラル状に巻いて新層（４１）を被覆したため、外見上は、新品の紙管と区別がつかない程度に美しく仕上がる。又、新層（４１）は紙テープ（４０）をスパイラル状に巻回して形成されているから古紙管（１）（２）の接続部に跨って紙テープ（４０）が巻回されるため、接続部の強度が高まる。
【００１６】
図３は、古紙管（１）（２）の突き合わせ端面の、凸部（１１）と凹部（２１）の他の実施例を示している。
一方の古紙管（１）の端面を周方向に均等に４分割して、対向する２つの領域を切削等にて除去して、凹部（１３）（１３）を形成し、残りの２つの領域を凸部（１１）（１１）と成す。他方の古紙管（２）も同様にして、２つの凹部（２１）（２１）と２つの凸部（２３）（２３）を形成する。
２本の古紙管（１）（２）の互いの凸部（１１）と凹部（２１）を緊密に嵌合する。
【００１７】
尚、実施例では、隣り合う古紙管（１）（２）の端面に、互いに係合する凸部（１１）と凹部（２１）を形成したが、古紙管（１）（２）の端面を軸心に対して直角に切断した切り口どうしを接着剤にて接合することもでき、凸部（１１）と凹部（２１）が存在してなくても、本発明の実施は可能である。
【００１８】
又、長尺古紙管（３）は、２本以上の古紙管（１）（２）を接続して形成できるのは勿論である。
【００１９】
上記実施例の説明は本発明を説明するためのものであって、特許請求の範囲に記載の発明を限定し、或いは該範囲を減縮する様に解すべきではない。本発明の各部構成は、上記実施例に限らず、特許請求の範囲に記載の技術的範囲内で、種々の変形が可能であることは勿論である。
【図面の簡単な説明】
【図１】再生紙管の接続部の断面図である。
【図２】再生紙管の製造工程の説明図である。
【図３】古紙管の突き合わせ端面の他の実施例の斜面図である。
【図４】長尺古紙管にテープを巻回する説明図である。
【符号の説明】
（１） 古紙管
（１１） 凸部
（２） 古紙管
（２１） 凹部
（３） 長尺古紙管
（３１） 紙層
（４０） 紙テープ
（４１） 新層[0001]
[Field of the Invention]
The present invention relates to a recycled paper tube used industrially and reused, such as a paper tube serving as a core for winding paper or a paper board, and a method for producing the same.
[0002]
[Prior art]
In such a conventional paper tube recycling method, a damaged portion such as an end portion of a used paper tube is cut and removed, and end faces of the plurality of used paper tubes are joined to each other.
On the end face of the used paper tube, a convex portion and a concave portion that fit each other are formed to improve the strength of the joint portion, or to prevent rotational slip between adjacent paper tubes.
In addition, stapling is also performed to connect the end faces of adjacent used paper tubes.
It has also been proposed to interpose an iron core over the inner surface of an adjacent paper tube to increase the strength against buckling and twisting.
[0003]
[Problems to be solved by the invention]
However, in any of the above cases, no consideration is given to the outer peripheral surface of the used paper tube. The outer surface of the old paper tube is scratched, and adhesive marks for stopping the edges of the band-shaped sheet of newspaper paper etc. wound around the paper tube remain dirty and conspicuous. Was sometimes in the way.
In particular, when the used paper tubes are connected by staples, the staples protrude from the outer periphery of the recycled paper tube to generate a step, and there is a disadvantage that the band-shaped sheet wound around the paper tube has a stamp shape.
[0004]
The present invention clarifies a recycled paper tube that cannot be distinguished from a new paper tube in appearance, and a method for manufacturing the same.
[0005]
[Means to solve the problem]
The recycled paper tube of the present invention is formed on an old paper layer (31) having a uniform outer diameter obtained by cutting a long paper tube (3) to which end faces of adjacent used paper tubes (1) and (2) are connected. A new paper tape (40) is spirally wound to cover a new layer (41).
[0006]
According to the method for manufacturing a recycled paper tube of the present invention, the end faces of adjacent used paper tubes (1) and (2) are connected to form a long used paper tube (3), and then the outer periphery of the long used paper tube (3) is formed. The surface is cut to a uniform diameter, and a paper tape (40) coated with an adhesive is spirally wound around a long used paper tube (3) by a necessary thickness to form a recycled paper tube (4).
[0007]
[Action and effect]
After connecting the used paper tubes (1) and (2) to form a long used paper tube (3), the outer diameter of the long used paper tube (3) is uniform because the outer periphery of the long used paper tube (3) is cut. And the outer peripheral surface is a cut surface without scratches, irregularities and steps.
A paper tape (40) is spirally wound around the cut surface of the long used paper tube (3) having a uniform outer diameter, and a new layer of paper tape (40) is formed outside the paper layer (31) of the long used paper tube (3). Since (41) is covered, it can be finished beautifully to the extent that it is indistinguishable from a new paper tube. Further, since the new layer (41) is formed by winding the paper tape (40) in a spiral shape, the paper tape (40) is wound over the connection portion of the old paper tubes (1) and (2). The strength increases.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
FIG. 1 shows a connecting portion of a recycled paper tube according to the present invention.
The recycled paper tube (4) is formed by connecting a plurality of used paper tubes (1) and (2) to one.
A convex portion (11) and a concave portion (21) that engage with each other are formed on the butted end surfaces of the adjacent used paper tubes (1) and (2).
[0009]
In the embodiment, a cylindrical convex portion (11) is formed near the inner periphery by cutting the outer periphery of the end surface of one of the used paper tubes (1), and an external screw (12) is provided on the outer peripheral surface of the convex portion (11). It has been subjected. The other end of the used paper tube (2) is formed by cutting the inner periphery of the end face to form a concave portion (21) into which the convex portion (11) fits, and an inner screw (22) is formed on the inner peripheral surface of the concave portion (21). Have been.
[0010]
Adjacent waste paper tubes (1) and (2) are connected by screwing the convex part (11) and the concave part (21) to form a long waste paper tube (3), and the long waste paper tube (3) Has a new layer (41) formed by winding a paper tape (40) having an adhesive applied to the back surface on the outer surface of which is scraped off by a predetermined amount to have a uniform diameter.
[0011]
FIG. 2 shows a manufacturing procedure of the recycled paper tube (4).
As shown in FIG. 2A, a damaged portion such as an end of the old paper tube (1) or (2) is cut and cut at right angles to the longitudinal direction of the paper tube.
As shown in FIG. 2B, of the used paper tubes (1) and (2) to be connected, one of the used paper tubes (1) has the convex portion (11) and the other of the used paper tubes (2) has a concave portion (21). To form This can be easily formed by cutting with a lathe.
[0012]
As shown in FIG. 2C, the two old paper tubes (1) and (2) are screwed together to connect the convex portion (11) and the concave portion (21) to form a long old paper tube (3). If an adhesive is applied to the inner screw (22) of the convex portion (11) and the inner screw (22) of the concave portion (21), the connecting strength of the connecting portion of the long used paper tube (3) is further increased.
Next, the long used paper tube (3) is rotated, and the outer periphery of the long used paper tube (3) is cut by a predetermined depth over the entire length by a cutting blade (7) to finish it to a uniform diameter.
[0013]
As shown in FIG. 4, the long waste paper tube (3) is placed on the two rotation receiving rollers (5) and (5), and the long waste paper tube (3) is pressed by the pressing roller (6). A paper tape (40) coated with an adhesive on the back surface is inserted between the tube (3) and the pressing roller (6) obliquely with respect to the axis of the long used paper tube (3), as shown in FIG. 2D. As described above, the recycled paper tube (4) is formed by spirally winding a predetermined thickness around the outer peripheral surface of the long used paper tube (3) without any gap.
The recycled paper tube (4) is cut to a desired length and used as needed.
[0014]
As described above, since the used paper tubes (1) and (2) are connected by screwing the convex portions (11) and the concave portions (21) of each other to form a long used paper tube (3), the adjacent used paper tubes (1) are used. (2) The connection between them becomes strong, and when the outer periphery of the long used paper tube (3) is cut, there is no rotational sliding between the used used paper tubes (1) and (2).
[0015]
Since a new layer (41) was coated by spirally winding a paper tape (40) on the paper layer (31) of a long paper tube (3) having a uniform diameter by cutting the outer periphery, It is finished beautifully so that it cannot be distinguished from a new paper tube. Further, since the new layer (41) is formed by spirally winding the paper tape (40), the paper tape (40) is wound over the connecting portion of the old paper tubes (1) and (2). The strength of the part increases.
[0016]
FIG. 3 shows another embodiment of the protrusion (11) and the recess (21) on the butted end faces of the used paper tubes (1) and (2).
The end face of one used paper tube (1) is equally divided into four in the circumferential direction, and two opposing regions are removed by cutting or the like to form recesses (13) and (13), and the remaining two regions are formed. Are formed as convex portions (11) and (11). Similarly, the other used paper tube (2) forms two concave portions (21) and (21) and two convex portions (23) and (23).
The convex part (11) and the concave part (21) of the two used paper tubes (1) and (2) are fitted tightly.
[0017]
In the embodiment, the convex portion (11) and the concave portion (21) which are engaged with each other are formed on the end faces of the adjacent used paper tubes (1) and (2). The cuts cut at a right angle to the axis can be joined together with an adhesive, and the present invention can be implemented even if the convex portion (11) and the concave portion (21) are not present.
[0018]
Further, it is needless to say that the long used paper tube (3) can be formed by connecting two or more used paper tubes (1) and (2).
[0019]
The description of the above embodiments is for the purpose of illustrating the present invention, and should not be construed as limiting the invention described in the claims or reducing the scope thereof. The configuration of each part of the present invention is not limited to the above-described embodiment, and it is needless to say that various modifications can be made within the technical scope described in the claims.
[Brief description of the drawings]
FIG. 1 is a sectional view of a connection portion of a recycled paper tube.
FIG. 2 is an explanatory view of a manufacturing process of a recycled paper tube.
FIG. 3 is a perspective view of another embodiment of the butted end surface of the used paper tube.
FIG. 4 is an explanatory diagram of winding a tape around a long used paper tube.
[Explanation of symbols]
(1) Used paper tube (11) Convex portion (2) Used paper tube (21) Concave portion (3) Long used paper tube (31) Paper layer (40) Paper tape (41) New layer
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002006953A JP3588081B2 (en) | 2002-01-16 | 2002-01-16 | Recycled paper tube and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002006953A JP3588081B2 (en) | 2002-01-16 | 2002-01-16 | Recycled paper tube and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003206079A JP2003206079A (en) | 2003-07-22 |
| JP3588081B2 true JP3588081B2 (en) | 2004-11-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002006953A Expired - Fee Related JP3588081B2 (en) | 2002-01-16 | 2002-01-16 | Recycled paper tube and its manufacturing method |
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| Country | Link |
|---|---|
| JP (1) | JP3588081B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2590744C (en) | 2004-12-08 | 2013-10-29 | Abzac Canada Inc. | Restored winding cores, method and apparatus for manufacturing the same |
-
2002
- 2002-01-16 JP JP2002006953A patent/JP3588081B2/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| JP2003206079A (en) | 2003-07-22 |
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