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WO2011118023A1 - Manufacturing machine for composite paper tube - Google Patents

Manufacturing machine for composite paper tube Download PDF

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Publication number
WO2011118023A1
WO2011118023A1 PCT/JP2010/055364 JP2010055364W WO2011118023A1 WO 2011118023 A1 WO2011118023 A1 WO 2011118023A1 JP 2010055364 W JP2010055364 W JP 2010055364W WO 2011118023 A1 WO2011118023 A1 WO 2011118023A1
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WO
WIPO (PCT)
Prior art keywords
mandrel
paper tube
web
composite paper
metal web
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.)
Ceased
Application number
PCT/JP2010/055364
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French (fr)
Japanese (ja)
Inventor
鶴泉隆太郎
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.)
Japan Tobacco Inc
Original Assignee
Japan Tobacco Inc
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 Japan Tobacco Inc filed Critical Japan Tobacco Inc
Priority to PCT/JP2010/055364 priority Critical patent/WO2011118023A1/en
Priority to JP2012506737A priority patent/JP5467619B2/en
Publication of WO2011118023A1 publication Critical patent/WO2011118023A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31C—MAKING WOUND ARTICLES, e.g. WOUND TUBES, OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31C3/00—Making tubes or pipes by feeding obliquely to the winding mandrel centre line
    • B31C3/04—Seam processing

Definitions

  • the present invention relates to a composite paper tube manufacturing machine.
  • a spiral paper tube manufacturing apparatus is disclosed in Patent Document 1.
  • a spiral paper tube is manufactured by winding a fed paper around a mandrel in a spiral shape.
  • the paper is tightly wound around the mandrel by a wrapping belt.
  • the mandrel is also made of metal, so that they are welded together by frictional heat. . If it is welded, the metal web can no longer be sent out and the operation must be stopped.
  • discarded paper is disposed between the mandrel and the metal web. The use of the discarded paper leads to an increase in cost, and further requires a work for removing the discarded paper, resulting in poor work efficiency.
  • the present invention is based on the above prior art, and even if the layer in direct contact with the metal mandrel is a metal web, the two are prevented from being welded to each other by frictional heat, thereby improving work efficiency.
  • An object of the present invention is to provide a composite paper tube manufacturing machine capable of reducing the manufacturing cost.
  • the invention of claim 1 includes a metal mandrel, and a winding belt for spirally winding a thin strip-shaped metal web and a paper web around the mandrel, and an inner surface is formed from the metal web.
  • a composite paper tube manufacturing machine is provided.
  • the coating layer is a coating tape wound around the mandrel in a spiral shape with a space.
  • the width of the coating tape is shorter than the width of the metal web.
  • the coating layer is high molecular polyethylene.
  • the winding belt comprising two rotating shafts standing upright with the mandrel sandwiched therebetween and an endless belt hung on the two rotating shafts is wound around the mandrel. A wound portion.
  • a first feeding path for supplying the metal web to the mandrel, a first roll disposed at a start end of the first feeding path and winding the metal web, and the paper A second feed path for feeding the web to the mandrel by stacking the web on the outside of the metal web, and a second roll disposed at the start end of the second feed path, on which the paper web is wound. And an adhesive transfer roller disposed on the second feeding path for applying an adhesive to the inside of the paper web.
  • the metal web is aluminum or stainless steel.
  • the outer peripheral surface of the mandrel is provided with a coating layer in which an exposed region is formed so as to be spaced along one bus line, when the metal web is wound around the mandrel, It is possible to cope with the force, and a thin composite paper tube can be manufactured, and the contact area between the coating layer and the metal web can be narrowed. Therefore, generation
  • the coating layer can be easily formed. Further, since the exposed area is also formed in a spiral shape, air flows through the exposed area when the metal web is wound, so that a cooling effect can also be obtained.
  • the width of the coating tape narrower than the width of the metal web, the contact area between the metal web and the coating tape can be reliably reduced, and the generation of frictional heat can be more reliably suppressed. Therefore, it is possible to reliably prevent the metal web and the mandrel from welding to each other.
  • high molecular weight polyethylene for the coating layer, frictional heat generated between the metal web and the mandrel can be efficiently suppressed.
  • the inner side is coated with a metal web by applying an adhesive from the second roll to the paper web and applying the adhesive to the outside of the metal web.
  • a composite paper tube having a two-layer structure can be manufactured. If rolls and adhesive transfer rollers are prepared for the number of layers, a composite paper tube having a multilayer structure can also be manufactured.
  • a composite paper tube manufacturing machine 1 includes a mandrel 2 and a winding belt 3. Further, the manufacturing machine 1 includes a first roll 4 and a second roll 5.
  • the mandrel 2 is made of metal and has, for example, a solid cylindrical shape. The base end of the mandrel 2 is fixed to the support 6. Therefore, the mandrel 2 extends from the support 6 in the horizontal direction, for example.
  • a belt-like metal web 7 is wound around the mandrel 2 in a spiral shape. Specifically, the metal web 7 is supplied along the first feeding path 8 and wound around the mandrel 2 at the end of the first feeding path 8.
  • a first roll 4 is disposed at the starting end of the first feeding path 8, and a metal web 7 is wound around the first roll 4.
  • the winding belt 3 is provided near the end of the feeding path 8.
  • the winding belt 3 is an endless belt and is hung on rotating shafts 9 and 10 standing on both sides of the mandrel 2. At that time, the winding belt 3 on one side intersecting with the mandrel 2 is wound around the mandrel 2. This is the winding part 18.
  • the winding belt 3 winds while winding the metal web 7 from the outside at the winding portion 18. Thereby, the metal web 7 supplied to the mandrel 2 is given a stronger winding force to the mandrel 2 at the winding part 18.
  • This winding is performed at a portion where the winding belt 3 is wound around the mandrel 2 as the rotary shafts 9 and 10 rotate in the direction of the arrow R. Then, the metal web 7 is fed out toward the tip of the mandrel 2 while being wound around the winding belt 3.
  • a winding device 19 is formed by the winding belt 3, the rotating shafts 9 and 10, and the winding portion 18.
  • the coating layer 11 is formed using a coating tape 12. That is, the coating layer 11 is formed by winding the coating tape 12 around the mandrel 2 in a spiral manner. In other words, the coating tape 12 leaves an exposed area 13 arranged on the outer peripheral surface of the mandrel 2 so as to be lined up along the one bus bar. Similar to the coating tape 12, the exposed region 13 is formed in a spiral shape along the longitudinal direction of the mandrel 2.
  • the thickness of the coating tape 12 is 0.25 mm
  • the width of the exposed region 13 is 1 mm to 2 mm.
  • the coating layer 11 which formed the exposed region 13 along the longitudinal direction of the mandrel 2 is provided, when the metal web 7 is wound around the mandrel 2, the contact area between the coating layer 11 and the metal web 7 is increased. Can be narrowed. Therefore, generation
  • the width of the coating tape 12 is shorter than the width of the metal web 7.
  • the contact area of the metal web 7 and the coating tape 12 can be reliably narrowed, and generation
  • a material used for coating high molecular polyethylene, Teflon (registered trademark), PEEK (polyether ether ketone), DLC (diamond-like carbon), or the like can be used.
  • a SUS mandrel having a diameter of 6 mm to 9 mm was used, and an experiment was conducted by winding a high molecular weight polyethylene tape.
  • a metal web was supplied at 10 m / min to produce a composite paper tube for 7 hours, but no welding occurred on the metal web and the mandrel, and there was no wear of the coating tape. Therefore, it can be said that it is particularly preferable to form the coating layer using high molecular weight polyethylene.
  • the effect of the composite paper tube manufacturing machine 1 according to the present invention can be used as a multi-layer composite paper tube manufacturing machine as long as the inner layer uses the metal web 2.
  • the taken second roll 5 is prepared.
  • the paper web 14 is wound around the mandrel 2 so as to cover the outer side of the mandrel 2 at the same time as the metal web 7 is wound around the mandrel 2 via the second feeding path 15.
  • An adhesive transfer roller 16 is provided in the middle of the second feeding path 15 in order to bond the metal web 7 and the paper web 14 at the time of winding.
  • the adhesive is applied to the inside of the paper web 14.
  • the paper web 14 bonded to the metal web 7 and supplied to the mandrel 2 is wound around the mandrel 2 from the outside of the metal web 7 by the winding belt 3, similarly to the metal web 7.
  • the composite paper tube 17 having a two-layer structure is manufactured as shown in FIG. If reels and adhesive transfer rollers are prepared for the number of layers, a composite paper tube having a multilayer structure can be manufactured.
  • a composite paper tube with higher heat resistance can be obtained by overlapping the composite paper bonded to the metal web several times.

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  • Making Paper Articles (AREA)

Abstract

The disclosed manufacturing machine for composite paper tubes is provided with: a metal mandrel (2); a rolling device (19) which has a tight winding belt (3) for spirally wrapping a thin strip of a metal web (7) and a paper web (14) around the mandrel (2), and which forms a composite paper tube (17), the inner surface of which comprises the metal web (7); and a coating layer which covers the peripheral surface of the mandrel (2). The coating layer leaves an exposed region on the peripheral surface of the mandrel (2), said exposed region having gaps arranged at intervals along the generating line of the mandrel (2). The coating layer is preferably a spirally-wrapped coating tape which leaves gaps along the longitudinal direction of the mandrel.

Description

複合紙管の製造機Composite paper tube making machine

　本発明は、複合紙管の製造機に関するものである。 The present invention relates to a composite paper tube manufacturing machine.

　スパイラル紙管製造装置が特許文献１に開示されている。特許文献１に記載されているように、スパイラル形状の紙管は、送り出された紙をマンドレルに対しスパイラル状に巻き付けて製造される。紙は、巻き締めベルトによってマンドレルに強固に巻き付けられる。しかしながら、マンドレルと接触する材料が金属製である場合、すなわち、金属ウエブが内側に配された複合紙管を製造しようとした場合、マンドレルも金属製であるため、摩擦熱によって互いに溶着してしまう。溶着してしまうと、金属ウエブがそれ以上送り出されなくなってしまい、作業を中止しなければならない。
　従来では、これを防止するため、マンドレルと金属ウエブの間に捨て紙を配置させていた。この捨て紙を使用することは、コスト増加につながり、さらに捨て紙を抜き取る作業が必要となり、作業効率が悪い。 A spiral paper tube manufacturing apparatus is disclosed in Patent Document 1. As described in Patent Document 1, a spiral paper tube is manufactured by winding a fed paper around a mandrel in a spiral shape. The paper is tightly wound around the mandrel by a wrapping belt. However, when the material in contact with the mandrel is made of metal, that is, when an attempt is made to manufacture a composite paper tube with the metal web arranged on the inside, the mandrel is also made of metal, so that they are welded together by frictional heat. . If it is welded, the metal web can no longer be sent out and the operation must be stopped.
Conventionally, in order to prevent this, discarded paper is disposed between the mandrel and the metal web. The use of the discarded paper leads to an increase in cost, and further requires a work for removing the discarded paper, resulting in poor work efficiency.

特開２００１－６２９４５号公報JP 2001-62945 A

　本発明は、上記従来技術を考慮したものであって、金属製のマンドレルと直接接触する層が金属ウエブであっても、両者が互いに摩擦熱によって溶着することを防止し、作業の効率化を図り、さらに製造の低コスト化も図ることができる複合紙管の製造機を提供することを目的とする。 The present invention is based on the above prior art, and even if the layer in direct contact with the metal mandrel is a metal web, the two are prevented from being welded to each other by frictional heat, thereby improving work efficiency. An object of the present invention is to provide a composite paper tube manufacturing machine capable of reducing the manufacturing cost.

　前記目的を達成するため、請求項１の発明では、金属製のマンドレルと、前記マンドレルに薄くて帯状の金属ウエブ及び紙ウエブをスパイラル状に巻き付ける巻き締めベルトを含み、内面が前記金属製ウエブからなる複合紙管を成形する巻き付け装置と、前記マンドレルの外周面を覆うコーティング層とを備え、前記コーティング層は前記外周面にその１つ母線に沿い間隔を存して並ぶ露出域を残していることを特徴とする複合紙管の製造機を提供する。 In order to achieve the above object, the invention of claim 1 includes a metal mandrel, and a winding belt for spirally winding a thin strip-shaped metal web and a paper web around the mandrel, and an inner surface is formed from the metal web. A winding device for forming the composite paper tube, and a coating layer covering the outer peripheral surface of the mandrel, and the coating layer leaves an exposed area arranged on the outer peripheral surface at intervals along one bus line. A composite paper tube manufacturing machine is provided.

　好ましくは、前記コーティング層は、前記マンドレルに間隔を存してスパイラル状に巻き付けられたコーティングテープである。
　好ましくは、前記コーティングテープの幅は、前記金属ウエブの幅より短い。
　好ましくは、前記コーティング層は、高分子ポリエチレンである。 Preferably, the coating layer is a coating tape wound around the mandrel in a spiral shape with a space.
Preferably, the width of the coating tape is shorter than the width of the metal web.
Preferably, the coating layer is high molecular polyethylene.

　さらに好ましくは、前記巻き付け装置は、前記マンドレルを挟んで立設している２本の回転軸と、該２本の回転軸に掛けられた無端ベルトからなる前記巻き締めベルトが前記マンドレルに巻回された巻き付け部とを有する。 More preferably, in the winding device, the winding belt comprising two rotating shafts standing upright with the mandrel sandwiched therebetween and an endless belt hung on the two rotating shafts is wound around the mandrel. A wound portion.

　好ましくは、前記金属ウエブを前記マンドレルに供給するための第１の繰出し経路と、前記第１の繰出し経路の始端に配置され、前記金属ウエブが巻き取られている第１のロールと、前記紙ウエブを前記金属ウエブの外側に重ね、前記マンドレルに供給するための第２の繰出し経路と、前記第２の繰出し経路の始端に配置され、前記紙ウエブが巻取られている第２のロールと、前記第２の繰出し経路に配置され、前記紙ウエブの内側に接着剤を塗布するための接着剤転写ローラとをさらに備えている。
　好ましくは、金属ウエブはアルミ又はステンレスである。 Preferably, a first feeding path for supplying the metal web to the mandrel, a first roll disposed at a start end of the first feeding path and winding the metal web, and the paper A second feed path for feeding the web to the mandrel by stacking the web on the outside of the metal web, and a second roll disposed at the start end of the second feed path, on which the paper web is wound. And an adhesive transfer roller disposed on the second feeding path for applying an adhesive to the inside of the paper web.
Preferably, the metal web is aluminum or stainless steel.

　本発明によれば、マンドレルの外周面にその１つ母線に沿い間隔を存して並ぶ露出域が形成されたコーティング層が備わるため、金属ウエブがマンドレルに巻き締められたときに、強固な巻き付け力に対応することができ、細い複合紙管を製造することができるとともに、コーティング層と金属ウエブとの接触面積を狭くできる。したがって、摩擦熱の発生を抑制でき、金属ウエブとマンドレルが互いに溶着することを防止できる。さらには、従来用いられてきた金属ウエブとマンドレルとの溶着を防止するための捨て紙が不要となるので、コストの低減を図ることができる。また、捨て紙を除去する工程も不要となるので、作業の効率化を図ることができる。 According to the present invention, since the outer peripheral surface of the mandrel is provided with a coating layer in which an exposed region is formed so as to be spaced along one bus line, when the metal web is wound around the mandrel, It is possible to cope with the force, and a thin composite paper tube can be manufactured, and the contact area between the coating layer and the metal web can be narrowed. Therefore, generation | occurrence | production of frictional heat can be suppressed and it can prevent that a metal web and a mandrel weld each other. Furthermore, since the waste paper for preventing the welding of the metal web and the mandrel that has been conventionally used is not required, the cost can be reduced. In addition, since the process of removing discarded paper is not necessary, the work efficiency can be improved.

　また、コーティング層として、マンドレルにスパイラル状に巻き付けられたコーティングテープを用いれば、コーティング層の形成が容易となる。また、露出域もスパイラル状に形成されるので、金属ウエブを巻き付けたときに、露出域に空気が流通するので、冷却効果も得ることができる。 Also, if a coating tape wound around a mandrel in a spiral shape is used as the coating layer, the coating layer can be easily formed. Further, since the exposed area is also formed in a spiral shape, air flows through the exposed area when the metal web is wound, so that a cooling effect can also be obtained.

　また、コーティングテープの幅を金属ウエブの幅より狭くすることで、金属ウエブとコーティングテープの接触面積を確実に狭くすることができ、摩擦熱の発生をより確実に抑制することができる。したがって、金属ウエブとマンドレルが互いに溶着することを確実に防止できる。
　また、コーティング層に高分子ポリエチレンを用いることで、金属ウエブとマンドレルの間に発生する摩擦熱を効率よく抑制できる。 Moreover, by making the width of the coating tape narrower than the width of the metal web, the contact area between the metal web and the coating tape can be reliably reduced, and the generation of frictional heat can be more reliably suppressed. Therefore, it is possible to reliably prevent the metal web and the mandrel from welding to each other.
In addition, by using high molecular weight polyethylene for the coating layer, frictional heat generated between the metal web and the mandrel can be efficiently suppressed.

　また、製造される複合紙管が２層構造であっても、第２のロールから紙ウエブに接着剤を塗布して金属ウエブの外側に貼り付けながらマンドレルに巻き締めることで、内側が金属ウエブからなる２層構造の複合紙管を製造することができる。なお、層の数だけロールと接着剤転写ローラを用意すれば、多層構造の複合紙管も製造することができる。 Even if the composite paper tube to be manufactured has a two-layer structure, the inner side is coated with a metal web by applying an adhesive from the second roll to the paper web and applying the adhesive to the outside of the metal web. A composite paper tube having a two-layer structure can be manufactured. If rolls and adhesive transfer rollers are prepared for the number of layers, a composite paper tube having a multilayer structure can also be manufactured.

本発明に係る複合紙管の製造機の概略図である。It is the schematic of the manufacturing machine of the composite paper tube concerning this invention. 図１のＡ部における概略断面図である。It is a schematic sectional drawing in the A section of FIG. 本発明に係る複合紙管の製造機におけるマンドレルの側面図である。It is a side view of the mandrel in the manufacturing machine of the composite paper tube concerning this invention.

　図１に示すように、本発明に係る複合紙管の製造機１は、マンドレル２と、巻き締めベルト３とを有している。さらに、製造機１は、第１のロール４及び第２のロール５とを含んでいる。マンドレル２は、金属製であり、例えば中実の円柱形状をなしている。マンドレル２の基端は支持具６に固定されている。したがって、マンドレル２は支持具６から例えば水平方向に延びている。マンドレル２には帯状の金属ウエブ７がスパイラル状に巻き付けられる。具体的には、金属ウエブ７は第１の繰出し経路８に沿って供給され、第１の繰出し経路８の終端にてマンドレル２に巻き付けられる。第１の繰出し経路８の始端には第１のロール４が配されていて、この第１のロール４に金属ウエブ７が巻取られている。 As shown in FIG. 1, a composite paper tube manufacturing machine 1 according to the present invention includes a mandrel 2 and a winding belt 3. Further, the manufacturing machine 1 includes a first roll 4 and a second roll 5. The mandrel 2 is made of metal and has, for example, a solid cylindrical shape. The base end of the mandrel 2 is fixed to the support 6. Therefore, the mandrel 2 extends from the support 6 in the horizontal direction, for example. A belt-like metal web 7 is wound around the mandrel 2 in a spiral shape. Specifically, the metal web 7 is supplied along the first feeding path 8 and wound around the mandrel 2 at the end of the first feeding path 8. A first roll 4 is disposed at the starting end of the first feeding path 8, and a metal web 7 is wound around the first roll 4.

　巻き締めベルト３は、繰出し経路８の終端近傍に備わっている。巻き締めベルト３は、無端ベルトであり、マンドレル２を挟んで両側に立設している回転軸９，１０に掛けられている。その際、マンドレル２と交差する一方の側の巻き締めベルト３は、マンドレル２に巻き付けられている。ここが巻き付け部１８となる。回転軸９，１０が矢印Ｒ方向に回転することで、巻き締めベルト３が巻き付け部１８にて金属ウエブ７を外側から押さえながら巻き付ける。これにより、マンドレル２に供給された金属ウエブ７は、巻き付け部１８にてマンドレル２に対してさらに強固な巻き付け力を付与される。この巻き付けは、回転軸９，１０が矢印Ｒ方向に回転することにより、巻き締めベルト３がマンドレル２に巻き付けられた部分にて行われる。そして、金属ウエブ７は、巻き締めベルト３に巻き締められながら、マンドレル２の先端方向に送りだされていく。上記巻き締めベルト３、回転軸９，１０、及び巻き付け部１８にて巻き付け装置１９が形成されている。 The winding belt 3 is provided near the end of the feeding path 8. The winding belt 3 is an endless belt and is hung on rotating shafts 9 and 10 standing on both sides of the mandrel 2. At that time, the winding belt 3 on one side intersecting with the mandrel 2 is wound around the mandrel 2. This is the winding part 18. As the rotary shafts 9 and 10 rotate in the direction of the arrow R, the winding belt 3 winds while winding the metal web 7 from the outside at the winding portion 18. Thereby, the metal web 7 supplied to the mandrel 2 is given a stronger winding force to the mandrel 2 at the winding part 18. This winding is performed at a portion where the winding belt 3 is wound around the mandrel 2 as the rotary shafts 9 and 10 rotate in the direction of the arrow R. Then, the metal web 7 is fed out toward the tip of the mandrel 2 while being wound around the winding belt 3. A winding device 19 is formed by the winding belt 3, the rotating shafts 9 and 10, and the winding portion 18.

　一方で、図２に示すように、マンドレル２の外周面の一部はコーティング層１１で覆われている。したがって、コーティング層１１に覆われていない部分のマンドレル２の外周面は、露出している。具体的には、図３に示すように、コーティング層１１はコーティングテープ１２を用いて形成されている。すなわち、コーティングテープ１２をマンドレル２に間隔を存してスパイラル状に巻き付けて、コーティング層１１を形成している。換言すれば、コーティングテープ１２は、マンドレル２の外周面にその１つの母線に沿い間隔を存して並ぶ露出域１３を残している。この露出域１３は、コーティングテープ１２と同様にマンドレル２の長手方向に沿ってスパイラル状に形成されている。これにより、金属ウエブ７をマンドレル２に巻き付けて送り出すときに、露出域１３に空気が流通するので、冷却効果も得ることができる。図３において、例えばコーティングテープ１２の厚さは０．２５ｍｍであり、露出域１３の幅（コーティングテープ１２の間隔）は１ｍｍ～２ｍｍである。 On the other hand, as shown in FIG. 2, a part of the outer peripheral surface of the mandrel 2 is covered with a coating layer 11. Therefore, the outer peripheral surface of the mandrel 2 that is not covered with the coating layer 11 is exposed. Specifically, as shown in FIG. 3, the coating layer 11 is formed using a coating tape 12. That is, the coating layer 11 is formed by winding the coating tape 12 around the mandrel 2 in a spiral manner. In other words, the coating tape 12 leaves an exposed area 13 arranged on the outer peripheral surface of the mandrel 2 so as to be lined up along the one bus bar. Similar to the coating tape 12, the exposed region 13 is formed in a spiral shape along the longitudinal direction of the mandrel 2. Thereby, when the metal web 7 is wound around the mandrel 2 and sent out, air flows through the exposed region 13, so that a cooling effect can also be obtained. In FIG. 3, for example, the thickness of the coating tape 12 is 0.25 mm, and the width of the exposed region 13 (interval of the coating tape 12) is 1 mm to 2 mm.

　このように、マンドレル２の長手方向に沿って露出域１３を形成したコーティング層１１が備わるため、金属ウエブ７がマンドレル２に巻き締められたとき、コーティング層１１と金属ウエブ７との接触面積を狭くできる。したがって、摩擦熱の発生を抑制でき、金属ウエブ７とマンドレル２が互いに溶着することを防止できる。さらには、従来用いられてきた金属ウエブ７とマンドレル２との溶着を防止するための捨て紙が不要となるので、コストの低減を図ることができる。また、捨て紙を除去する工程も不要となるので、作業の効率化を図ることができる。また、コーティングテープ１２を用いることで、マンドレル２にスパイラル状に巻き付けるだけで容易にコーティング層１１を形成することができる。 Thus, since the coating layer 11 which formed the exposed region 13 along the longitudinal direction of the mandrel 2 is provided, when the metal web 7 is wound around the mandrel 2, the contact area between the coating layer 11 and the metal web 7 is increased. Can be narrowed. Therefore, generation | occurrence | production of frictional heat can be suppressed and it can prevent that the metal web 7 and the mandrel 2 weld to each other. Furthermore, since the waste paper for preventing the welding of the metal web 7 and the mandrel 2 that has been conventionally used is not required, the cost can be reduced. In addition, since the process of removing discarded paper is not necessary, the work efficiency can be improved. In addition, by using the coating tape 12, the coating layer 11 can be easily formed simply by winding the mandrel 2 in a spiral shape.

　また、コーティングテープ１２の幅は、金属ウエブ７の幅より短い。これにより、金属ウエブ７とコーティングテープ１２の接触面積を確実に狭くすることができ、摩擦熱の発生をより確実に抑制することができる。したがって、金属ウエブ７とマンドレル２が互いに溶着することを確実に防止できる。コーティングに使用する材料としては、高分子ポリエチレン、テフロン（登録商標）、ＰＥＥＫ（ポリエーテルエーテルケトン）、ＤＬＣ（ダイヤモンドライクカーボン）等を使用できる。実際に、６ｍｍ～９ｍｍ径のＳＵＳ製のマンドレルを用いて、高分子ポリエチレンのテープを巻き付けて実験を行った。金属ウエブを１０ｍ／ｍｉｎで供給し、７時間複合紙管を製造したが、金属ウエブとマンドレルに溶着は発生せず、さらにコーティングテープの摩耗もなかった。したがって、特に高分子ポリエチレンを用いてコーティング層を形成することが好ましいといえる。 Also, the width of the coating tape 12 is shorter than the width of the metal web 7. Thereby, the contact area of the metal web 7 and the coating tape 12 can be reliably narrowed, and generation | occurrence | production of frictional heat can be suppressed more reliably. Therefore, it is possible to reliably prevent the metal web 7 and the mandrel 2 from welding to each other. As a material used for coating, high molecular polyethylene, Teflon (registered trademark), PEEK (polyether ether ketone), DLC (diamond-like carbon), or the like can be used. Actually, a SUS mandrel having a diameter of 6 mm to 9 mm was used, and an experiment was conducted by winding a high molecular weight polyethylene tape. A metal web was supplied at 10 m / min to produce a composite paper tube for 7 hours, but no welding occurred on the metal web and the mandrel, and there was no wear of the coating tape. Therefore, it can be said that it is particularly preferable to form the coating layer using high molecular weight polyethylene.

　本発明に係る複合紙管の製造機１の効果は、内側の層が金属ウエブ２を用いるものであれば、多層構造の複合紙管の製造機としても利用可能である。上述では、複合紙管における内側の層を形成する金属ウエブのみを例に挙げたが、２層構造の複合紙管を製造する場合は、図１に示すように、帯状の紙ウエブ１４が巻取られた第２のロール５を用意する。紙ウエブ１４は、第２の繰出し経路１５を経て、金属ウエブ７がマンドレル２に巻き付けられるのと同時にその外側を覆うようにしてマンドレル２に巻き付けられる。この巻き付け時に、金属ウエブ７と紙ウエブ１４とを接着するため、第２の繰出し経路１５の途中には接着剤転写ローラ１６が備わっている。これにより、紙ウエブ１４の内側には接着剤が塗布される。金属ウエブ７に接着されてマンドレル２に供給された紙ウエブ１４は、金属ウエブ７と同様に、巻き締めベルト３にて金属ウエブ７の外側からマンドレル２に対して巻き付けられる。これにより、図２にその断面が示されるように、２層構造の複合紙管１７が製造される。なお、層の数だけリールと接着剤転写ローラを用意すれば、多層構造の複合紙管も製造することができる。金属ウエブと貼り合わされた複合紙を幾重にも重ねることにより、より耐熱性の高い複合紙管を得ることができる。 The effect of the composite paper tube manufacturing machine 1 according to the present invention can be used as a multi-layer composite paper tube manufacturing machine as long as the inner layer uses the metal web 2. In the above description, only the metal web forming the inner layer of the composite paper tube has been described as an example. However, when a composite paper tube having a two-layer structure is manufactured, as shown in FIG. The taken second roll 5 is prepared. The paper web 14 is wound around the mandrel 2 so as to cover the outer side of the mandrel 2 at the same time as the metal web 7 is wound around the mandrel 2 via the second feeding path 15. An adhesive transfer roller 16 is provided in the middle of the second feeding path 15 in order to bond the metal web 7 and the paper web 14 at the time of winding. As a result, the adhesive is applied to the inside of the paper web 14. The paper web 14 bonded to the metal web 7 and supplied to the mandrel 2 is wound around the mandrel 2 from the outside of the metal web 7 by the winding belt 3, similarly to the metal web 7. Thereby, the composite paper tube 17 having a two-layer structure is manufactured as shown in FIG. If reels and adhesive transfer rollers are prepared for the number of layers, a composite paper tube having a multilayer structure can be manufactured. A composite paper tube with higher heat resistance can be obtained by overlapping the composite paper bonded to the metal web several times.

１　複合紙管の製造機
２　マンドレル
３　巻き締めベルト
４　第１のロール
５　第２のロール
６　支持具
７　金属ウエブ
８　第１の繰出し経路
９　回転軸
１０　回転軸
１１　コーティング層
１２　コーティングテープ
１３　露出域
１４　紙ウエブ
１５　第２の繰出し経路
１６　接着剤転写ローラ
１７　複合紙管
１８　巻き付け部
１９　巻き付け装置 DESCRIPTION OF SYMBOLS 1 Composite paper tube manufacturing machine 2 Mandrel 3 Tightening belt 4 First roll 5 Second roll 6 Support 7 Metal web 8 First feed path 9 Rotating shaft 10 Rotating shaft 11 Coating layer 12 Coating tape 13 Exposed area 14 Paper web 15 Second feed path 16 Adhesive transfer roller 17 Composite paper tube 18 Winding unit 19 Winding device

Claims (7)

　金属製のマンドレルと、
　前記マンドレルに薄くて帯状の金属ウエブ及び紙ウエブをスパイラル状に巻き付ける巻き締めベルトを含み、内面が前記金属製ウエブからなる複合紙管を成形する巻き付け装置と、
　前記マンドレルの外周面を覆うコーティング層とを備え、
　前記コーティング層は前記外周面にその１つ母線に沿い間隔を存して並ぶ露出域を残していることを特徴とする複合紙管の製造機。 A metal mandrel,
A winding device including a winding belt for spirally winding a thin and strip-shaped metal web and a paper web around the mandrel, and an inner surface forming a composite paper tube made of the metal web;
A coating layer covering the outer peripheral surface of the mandrel,
The composite paper tube manufacturing machine according to claim 1, wherein the coating layer leaves an exposed area lined up along the bus line on the outer peripheral surface with an interval. 　前記コーティング層は、前記マンドレルの長手方向に沿って間隔を存してスパイラル状に巻き付けられたコーティングテープであることを特徴とする請求項１に記載の複合紙管の製造機。 2. The composite paper tube manufacturing machine according to claim 1, wherein the coating layer is a coating tape wound in a spiral shape at intervals along the longitudinal direction of the mandrel. 　前記コーティングテープの幅は、前記金属ウエブの幅より短いことを特徴とする請求項２に記載の複合紙管の製造機。 3. The composite paper tube manufacturing machine according to claim 2, wherein a width of the coating tape is shorter than a width of the metal web. 　前記コーティング層は、高分子ポリエチレンであることを特徴とする請求項１に記載の複合紙管の製造機。 The composite paper tube manufacturing machine according to claim 1, wherein the coating layer is made of high molecular polyethylene. 　前記巻き付け装置は、前記マンドレルを挟んで立設している２本の回転軸と、該２本の回転軸に掛けられた無端ベルトからなる前記巻き締めベルトが前記マンドレルに巻回された巻き付け部とを有することを特徴とする請求項１に記載の複合紙管の製造機。 The winding device includes a winding unit in which the winding belt including two rotating shafts standing on both sides of the mandrel and an endless belt hung on the two rotating shafts is wound around the mandrel. The composite paper tube manufacturing machine according to claim 1, wherein: 　前記金属ウエブを前記マンドレルに供給するための第１の繰出し経路と、
　前記第１の繰出し経路の始端に配置され、前記金属ウエブが巻き取られている第１のロールと、
　前記紙ウエブを前記金属ウエブの外側に重ね、前記マンドレルに供給するための第２の繰出し経路と、
　前記第２の繰出し経路の始端に配置され、前記紙ウエブが巻取られている第２のロールと、
　前記第２の繰出し経路に配置され、前記紙ウエブの内側に接着剤を塗布するための接着剤転写ローラとをさらに備えたことを特徴とする請求項１に記載の複合紙管の製造機。 A first payout path for supplying the metal web to the mandrel;
A first roll disposed at a starting end of the first feeding path and wound with the metal web;
A second feeding path for stacking the paper web on the outside of the metal web and feeding the mandrel;
A second roll disposed at a starting end of the second feeding path and on which the paper web is wound;
2. The composite paper tube manufacturing machine according to claim 1, further comprising an adhesive transfer roller disposed in the second feeding path and configured to apply an adhesive to the inside of the paper web. 　前記金属ウエブは、アルミ又はステンレスであることを特徴とする請求項１に記載の複合紙管の製造機。 2. The composite paper tube manufacturing machine according to claim 1, wherein the metal web is made of aluminum or stainless steel.
PCT/JP2010/055364 2010-03-26 2010-03-26 Manufacturing machine for composite paper tube Ceased WO2011118023A1 (en)

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