WO2006064818A1 - コルゲートマシン及びダブルフェーサ熱板 - Google Patents
コルゲートマシン及びダブルフェーサ熱板 Download PDFInfo
- Publication number
- WO2006064818A1 WO2006064818A1 PCT/JP2005/022897 JP2005022897W WO2006064818A1 WO 2006064818 A1 WO2006064818 A1 WO 2006064818A1 JP 2005022897 W JP2005022897 W JP 2005022897W WO 2006064818 A1 WO2006064818 A1 WO 2006064818A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hot plate
- steam
- double
- high temperature
- cardboard sheet
- Prior art date
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Classifications
-
- 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
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/20—Corrugating; Corrugating combined with laminating to other layers
- B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
- B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
- B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
- B31F1/2845—Details, e.g. provisions for drying, moistening, pressing
- B31F1/285—Heating or drying equipment
Definitions
- the present invention relates to a corrugating machine for producing corrugated cardboard sheets and a double facer hot plate, and more specifically to an improvement in temperature distribution of the hot plate.
- the corrugating machine As an apparatus for manufacturing a double-sided cardboard sheet by bonding a single-sided cardboard sheet and a liner.
- the corrugating machine consists of a single-layer fuser that forms a single-sided cardboard sheet by laminating the core and back liner, a glue machine that glues the single-sided cardboard sheet to the center side, and a liner on the center side of the single-sided cardboard sheet.
- Double facer that forms a double-sided corrugated cardboard sheet, a slitter scorer that cuts the double-sided cardboard sheet into a specified width, a cutter that cuts the double-sided cardboard sheets to a specified length, and a stat force that stacks the cardboard Etc.
- the double fuser is composed of a heating unit and a cooling unit. The configuration of the heating unit is as shown in FIG. 5, for example.
- the heating unit 100 of the double facer has a plurality of hot plates 106 that heat the single-sided cardboard sheet 102 and the liner 104 with the center side glued, gel the glue, and dry it.
- a plurality of belts 116 are mounted on the drum 114 to convey the single-sided cardboard sheet 102 and the liner 104, and the single-sided cardboard sheet 102 and the liner 104 are pressed and attached to form a double-sided cardboard sheet 120.
- a plurality of the hot plates 106 are provided side by side in the conveying direction of the corrugated cardboard sheet 120, and a hollow portion inside thereof is a steam chamber 108 for introducing heating steam.
- the steam chamber 108 is provided with a steam inlet 110 and a steam or drain recovery port 112.
- Patent Document 1 Such a configuration of the corrugating machine is described in Patent Document 1 below, for example.
- Patent Document 1 Japanese Patent Application Laid-Open No. 11 105173 Disclosure of the invention
- the heat plate 106 described above is deprived of heat by the double-sided corrugated cardboard sheet 120 conveyed on the surface thereof, so that the temperature of the inner portion excluding the edge portion tends to decrease.
- the temperature of the inner portion excluding the edge portion tends to decrease.
- the single-sided corrugated cardboard sheet 102 and the liner 104 are conveyed, because of the initial stage of drying, more heat is lost compared to the downstream side.
- the plurality of hot plates 106 are all heated equally, a temperature difference occurs depending on the position of the hot plate 106 while drying is continued.
- the double-sided ball sheet 120 to be formed may be warped or the quality of the adhesive may be deteriorated.
- the edge portion where the double-faced corrugated cardboard sheet 120 does not contact and the side continuing to the cooling section that is, the downstream side in the transport direction
- the present invention focuses on the above points, and an object of the present invention is to provide a corrugated machine and its double facer hot plate that improve the quality of the corrugated cardboard sheet and have high heat utilization efficiency.
- the present invention is a double facer hot plate of a corrugating machine for forming a corrugated cardboard sheet, and comprises a plurality of hot plate units provided side by side in the conveying direction of the corrugated cardboard sheet, A hollow portion inside at least one hot plate unit is partitioned by a partitioning means into a high temperature portion into which steam is introduced and a low temperature portion whose temperature is set lower than the high temperature portion, and the high temperature portion It is characterized by being placed in the part where the heat dissipation is large.
- One of the main forms is characterized in that the low temperature portion is arranged on the edge side in the width direction of the corrugated cardboard sheet.
- the ratio occupied by the high temperature portion is maximized in the hot plate unit near the center in the conveyance direction of the corrugated cardboard sheet. The proportion of the high-temperature part decreases from the unit toward the downstream hot plate unit.
- Still another embodiment is as follows: (1) The steam introduced into the high temperature portion is allowed to pass through the low temperature portion. (2) introducing a steam having a lower temperature than the steam introduced into the high temperature part into the low temperature part, and (3) a smaller amount of steam into the low temperature part than the steam introduced into the high temperature part. It is characterized by introducing.
- a corrugating machine of the present invention includes a single facer that forms a single-sided cardboard sheet, and a double-facer hot plate according to any one of claims 1 to 7, and includes a double facer that forms a double-sided cardboard sheet. It is characterized by that.
- One of the main forms includes a pair of step holes for stepping the center core and a pressure roll for pressing and bonding the stepped center core and the liner.
- the hollow section force partition means of at least one of the corrugated roll and the pressure roll is divided into a high temperature section where steam is introduced and a low temperature section where the temperature is set lower than the high temperature section.
- the high temperature portion is arranged in a portion where a large amount of heat is released.
- the present invention provides a hot plate unit that constitutes a double-fuser hot plate of a corrugating machine with a high temperature portion into which steam is introduced and a low temperature portion that is set to a temperature lower than the high temperature portion. Cutting and adjusting or optimizing the temperature distribution of the hot plate according to the partitioning position has the effect of improving the heat utilization efficiency and obtaining corrugated cardboard (sheet) with good quality.
- FIG. 1 is a diagram showing Example 1 of the present invention, in which (A) is a perspective view showing the entire configuration of a hot plate, and (B) is the above (A) is # A— # Sectional view cut along line A, (C) is a sectional perspective view of section (A) cut along line # B- # B.
- FIG. 2 is a main cross-sectional view showing Example 2 of the present invention.
- Fig. 3 is a view showing Example 3 of the present invention, (A) is a schematic view showing the entire configuration of the corrugating machine, and (B) is a plan view showing a step roll of a single feather. is there.
- FIG. 4 is a plan view showing another embodiment of the present invention.
- FIG. 5 is a diagram showing an example of the background art. Explanation of symbols
- FIG. 1 (A) is a perspective view showing the overall configuration of the hot plate of this embodiment
- Fig. 1 (B) is a view of (A) cut along the # A- # A line and viewed in the direction of the arrow
- a cross-sectional view, FIG. 1 (C) is a cross-sectional perspective view of (A) cut along line # B # B and viewed in the direction of the arrow.
- the heating part of the double fuser is mounted on a pair of drums 66 in addition to the hot plate 10 that heats the single-sided corrugated cardboard sheet 30 and the front liner 36, which are glued on the center side, to quickly gel the glue and dry it. It is composed of a transport belt 68, a weight roll 70 and the like.
- the hot plate 10 is composed of a plurality of hot plate units 10A to 10G arranged side by side in the cardboard sheet conveyance direction.
- the force with which the hot plate 10 is constituted by the seven hot plate units 10A to 10G may be increased or decreased as necessary.
- Usually, about 13-15 hot plate units are used.
- These hot plate units 10A to 10G are hollow inside, and are divided into a high temperature chamber 14 and a surrounding low temperature chamber 16 by a partition 12 provided in the vertical direction.
- the high temperature chamber 14 forms a substantially ship-shaped high temperature portion inside the hot plate 10.
- the partition 12 is provided in the hot plate units 10A to 10C and 10E to 10G, and the central hot plate unit 10D is not partitioned and the entire inside is a high temperature chamber 14.
- the configuration of the hot plate unit will be described by taking the hot plate unit 10B as an example.
- the inner hollow portion of the hot plate unit 10B is divided into a high temperature chamber 14 and a low temperature chamber 16 by a partition 12.
- a steam inlet 20 and a recovery port 22 are provided on the bottom surface of the high temperature chamber 14, and branch pipes 18B and 19B are connected to the inlet 20 and the recovery port 22, respectively.
- the branch pipe 18B is branched from the steam supply pipe 18, and the other branch pipes 18A, 18C,... Branched from the pipe 18 are also connected to the other hot plate units.
- the branch pipe 19B is branched from the steam recovery pipe 19, and the other branch pipes 19A, 19C,...
- Branched from the pipe 19 are also connected to the other hot plate units. Is done. In this way, the steam is directly introduced into the high temperature chamber 14 and recovered directly from the high temperature chamber 14. At this time, the low temperature chamber 16 is heated to a temperature lower than that of the high temperature chamber 14 by heat transferred from the high temperature chamber 14 through the partition 12.
- the hot plate unit 10B and the partition 12 are, for example, shaped like a bowl having a thickness of 10 mm or more. Made.
- the other hot plate units 10A, 10E ⁇ : 10G have the same configuration, and the region of the high temperature chamber 14 and the low temperature chamber 16 is set to be appropriate by adjusting the position where the partition 12 is provided.
- the entire partition 12 is a high temperature chamber, and a steam inlet 20 and a recovery port 22 are provided on the bottom of the hot plate unit 10D.
- Each hot plate unit 10A ⁇ A single-sided corrugated cardboard sheet 30 and a front liner 36 are fed onto the hot plate 10 heated by supplying steam to the high temperature chamber 14 of 10G, and downstream by a conveyor belt 68 (Right side of FIGS. 1 (A) and 1 (B)) and the single-sided cardboard sheet 30 and the front liner 36 are pressed by the weight roll 70.
- the paste applied to the single-sided cardboard sheet 30 moves while being pressed on the hot plate 10, it rapidly gels and dries, and is bonded to the front liner 36 to form a double-sided cardboard sheet 38.
- the part of the heat plate 10 as a whole that has the largest amount of heat released to the double-sided corrugated cardboard sheet 38 is sufficiently heated.
- the portion that does not need to be heated is heated at a temperature lower than that of the high temperature chamber 14. For this reason, uniform heating of the entire double-sided cardboard sheet 38 is performed.
- the formed double-sided cardboard sheet 38 is, for example, sent to a cooling unit (not shown) and then cut into a desired shape.
- the hot plate units 10A to 10G are divided into a high temperature chamber 14 into which steam is introduced by the partition 12, and a temperature lower than that of the high temperature portion 14.
- each hot plate unit 10A ⁇ : 10G high temperature chamber 14 forms a substantially ship-shaped high-temperature part, resulting in a large amount of heat dissipation. It was decided to heat the part heavily. For this reason, it is possible to obtain a double-sided corrugated cardboard sheet 38 having a good quality without warping or poor adhesion by increasing the heat utilization efficiency and uniform heating.
- FIG. 2 is a main cross-sectional view of the present embodiment, which corresponds to the # B- # B cross-sectional view of the first embodiment.
- the branch pipes 18B and 19B are connected to pipes 18 and 19 for introducing and recovering steam to the other hot plate units 10A to 10G, respectively, in the same manner as in the above embodiment.
- the steam which is not shown in the figure, is also supplied to the high-temperature chamber 14 via the pipe 18, branch pipe 18B, and inlet 20 to heat the high-temperature chamber 14, and the recovery port 22, branch pipe 19B, pipe. 19 is collected.
- the low greenhouse 16 provided with the branch pipes 18B and 19B serving as a steam passage is heated to a temperature lower than that of the high temperature chamber 14 by heat transfer from the inner high temperature chamber 14 and the branch pipe 18B or 19B. It is done.
- a steam inlet 20 and a recovery port 22 are provided on the bottom surface of the high temperature chamber 14, and a steam inlet is also provided on the bottom surface of the low temperature chamber 16.
- the temperature difference between the high temperature chamber 14 and the low temperature chamber 16 can be realized by making the temperature of the steam supplied to the high temperature chamber 14 higher than the temperature of the steam supplied to the low temperature chamber 16.
- only the steam inlet 20 is provided in the high temperature chamber 14, and the steam in the high temperature chamber 14 is passed through an opening 27 formed in the partition 12. In this configuration, the cold room 16 is sent.
- the low greenhouse 16 has only a steam recovery port 26.
- FIG. 3 (A) is a schematic diagram showing the overall configuration of the corrugating machine of this embodiment
- FIG. 3 (B) is a plan view showing the configuration of a single roll corrugated roll.
- the corrugating machine 40 of this embodiment includes a single facer 42 that forms a single-sided cardboard sheet 30 by laminating a center core 34 and a back liner 32, and a conveying device 60 for the single-sided cardboard sheet 30.
- Glue machine 62 for gluing to the core 34 side, single-sided cardboard sheet 30
- the slitter scorer 72 that cuts into the width
- the cutter 74 that cuts the double-sided cardboard sheet 38 into a predetermined length
- the stat force 76 that piles up the cardboard are configured.
- the heating portion of the double facer 64 is mounted on a pair of drums 66 of the hot plate 10 having the same configuration as that of the first embodiment, and a transport belt 68 for transporting the double-sided cardboard sheet 38 and the like.
- a plurality of weight rolls 70 for pressing the single-sided cardboard sheet 30 and the front liner 36 through the conveyor belt 68 are included.
- the single fuser 42 is composed of a pair of corrugated rolls 44 and 46, a gluing device 47, a pressure roll 58, and the like.
- the pair of corrugated rolls 44 and 46 has a gear-like outer peripheral surface for corrugating the core 34.
- the gluing device 47 is for gluing the top of the stepped core 34
- the pressure roll 58 is for pressing and bonding the glued core 34 and the back liner 32.
- the pair of corrugated rolls 44 and 46 and the pressure roll 58 are configured such that steam can be introduced into the inner hollow portion because heating of the glue is required at the time of bonding.
- the stepped louvered 46 is set so that the inner hollow portion has a high temperature chamber 50 into which steam is introduced by the partition 48, and the temperature is lower than the high temperature chamber 50. It is divided into a low temperature chamber 52 to be used.
- the partition 48 is provided on both ends of the corrugated roll 46. Then, steam is introduced into the high temperature chamber 50 by a pipe 54 that passes through the low temperature chamber 52 (on the right side in the illustrated example), and a pipe 56 that passes through the low temperature chamber 52 on the other side (on the left side in the illustrated example). The steam is recovered from the high temperature chamber 50.
- the low greenhouse 52 provided with these pipes 52 and 54 is heated to a temperature lower than that of the high temperature chamber 50 by heat transferred from the high temperature chamber 50 through the partition 48.
- the other corrugated rolls 44 and pressure rolls 58 have basically the same configuration and are arranged at both ends.
- a partition (not shown) is provided at an appropriate position so that the low greenhouse is arranged.
- a pair of corrugated rolls 44 and 46 and a pressure roll 58 The core 34 and the back liner 32 are fed to the single facer 42 heated by supplying steam to the high greenhouse 50 and glued by the gluing device 47 to the core 34 stepped in the corrugated form by the corrugated rolls 44 and 46. I do. Subsequently, the glued core 34 and back liner 32 are pressed with the pressure tool 58. When the glue applied to the core 34 moves while being pressed, it rapidly gels and dries, and is bonded to the back liner 32 to form a single-sided cardboard sheet 30.
- the portions having the highest heat radiation to the core 34 and the back liner 32 are sufficiently heated by the corrugated rolls 44 and 46 and the high temperature chamber 50 formed inside the pressure roll 58.
- the low-temperature chamber 52 which is a portion that does not require a great amount of heat, is heated at a temperature lower than that of the high-temperature chamber 50. Yes.
- uniform heating of the single-sided cardboard sheet 30 is performed.
- the formed single-sided cardboard sheet 30 is sent to the double facer 64 by the conveying device 60 and bonded to the front liner 36 to form a double-sided cardboard 38.
- the heat plate 10 used in the double facer 64 has the same structure as that of the first embodiment described above, the double facer 64 is also uniformly heated.
- the hollow portions of the step rolls 44 and 46 of the single facer 42 and the pressure hole 58 are divided into the high temperature chamber 50 into which steam is introduced by the partition 48, and the high temperature It was decided to partition into a low temperature chamber 52, which is set to a temperature lower than the chamber 50, and to heat the inner part with a large amount of heat dissipation.
- the single-sided corrugated cardboard sheet 30 can be heated uniformly, and the utilization efficiency of heat can be increased.
- the single-sided cardboard sheet 30 formed by such a single-faced cardboard 42 is bonded to the front liner 36 by the double facer 62 including the hot plate 10 of Example 1 described above, the double-sided cardboard sheet 38 The quality can be further improved.
- the shape 'size' material in the above-described embodiments is an example, and if it has the same effect, it can be changed as necessary.
- a partition 82 that divides a plurality of hot plate units into a high temperature chamber 84 and a low temperature chamber 86 is curved, and the hot plate 80 as a whole has a high temperature.
- Chamber 84 has a smooth, generally ship-shaped shape You may do it.
- the number of hot plate units constituting the hot plate 80 may be changed as needed.
- a diamond-shaped high-temperature chamber 94 and a low-temperature chamber 96 may be formed as a whole of the heat plate 90 by the partition 92 as in the heat plate 90 shown in FIG. 4B.
- the number of hot plate units is also an example.
- a plurality of hot plate units are provided side by side in the transport direction.
- the hot plate may be divided into a plurality of heat plate units in the transport direction by a partitioning unit to form each hot plate unit.
- the partition 82 has a semi-elliptical shape in which the width of the high temperature chamber 84 becomes narrower as it reaches the downstream side (right side in the example in the figure).
- the high temperature chamber 84 and the low temperature chamber 86 of each hot plate unit are formed, or the hot plate 90A as a whole has a substantially triangular shape by the partition 92 as in the hot plate 90A shown in FIG. This can be dealt with by forming a high temperature chamber 94 and a low temperature chamber 96.
- the hot plates 80A and 90A have the same configuration as that using only the downstream side of the hot plates 80 and 90. Of course, this is also an example, and is not limited to the shape shown in FIG.
- the steam is introduced from the same pipe 18 to the plurality of hot plate units 10A to 10G.
- the temperature of the steam supplied to each of the hot plate units 10A to 10G is changed. You may make it connect piping for every hot plate unit so that it may change. Further, in the first embodiment, it is possible to adjust the temperature by providing a valve at an appropriate position of each of the branch pipes 18A to 18G and adjusting the amount of steam supplied to the hot plate units 10A to 10G. .
- a plurality of hot plate units are provided to form a hot plate, and the hollow portion of the hot plate unit is set to a high temperature portion into which steam is introduced and a temperature lower than the high temperature portion. Since it is divided into low-temperature parts and the temperature distribution of the hot plate is adjusted or optimized according to the partition position, it can be applied to the use of a double facer hot plate in a corrugated machine for producing corrugated cardboard sheets.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-362084 | 2004-12-14 | ||
JP2004362084A JP2008055602A (ja) | 2004-12-14 | 2004-12-14 | コルゲートマシン及びダブルフェーサ熱板 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006064818A1 true WO2006064818A1 (ja) | 2006-06-22 |
Family
ID=36587873
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/022897 WO2006064818A1 (ja) | 2004-12-14 | 2005-12-13 | コルゲートマシン及びダブルフェーサ熱板 |
Country Status (2)
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JP (1) | JP2008055602A (ja) |
WO (1) | WO2006064818A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008102662A1 (ja) * | 2007-02-19 | 2008-08-28 | Mitsubishi Heavy Industries, Ltd. | 段ボール紙製造装置におけるダブルフェーサ及び該ダブルフェーサの熱盤の加熱制御方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100873848B1 (ko) | 2008-07-09 | 2008-12-15 | 윤기영 | 골판지 제조 공정에서의 스팀 절감 시스템 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5136917B1 (ja) * | 1970-11-12 | 1976-10-12 | ||
JPS541189A (en) * | 1976-12-13 | 1979-01-06 | Tomoku Kk | Sheet preheater for corrugating machine |
JPS6370326U (ja) * | 1986-10-29 | 1988-05-11 | ||
JPH02133329U (ja) * | 1989-04-13 | 1990-11-06 | ||
JPH0612918Y2 (ja) * | 1983-08-19 | 1994-04-06 | ワーナー・ハー・カー・ペータース・マシーネンファブリック・ゲーエムベーハー | 段ボールの加熱装置 |
DE19716706A1 (de) * | 1997-04-21 | 1998-10-29 | Bhs Corr Masch & Anlagenbau | Maschine zur Herstellung einer einseitig kaschierten Wellpappebahn |
JP2003260743A (ja) * | 2002-03-11 | 2003-09-16 | Mitsubishi Heavy Ind Ltd | 段ボールシート製造装置のプレヒータ |
JP2003266569A (ja) * | 2002-03-13 | 2003-09-24 | Mitsubishi Heavy Ind Ltd | 段ボールシート製造装置のダブルフェーサ |
JP2004160951A (ja) * | 2002-11-15 | 2004-06-10 | Mitsubishi Heavy Ind Ltd | 段ボールシート製造装置の加熱ロール |
-
2004
- 2004-12-14 JP JP2004362084A patent/JP2008055602A/ja active Pending
-
2005
- 2005-12-13 WO PCT/JP2005/022897 patent/WO2006064818A1/ja not_active Application Discontinuation
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5136917B1 (ja) * | 1970-11-12 | 1976-10-12 | ||
JPS541189A (en) * | 1976-12-13 | 1979-01-06 | Tomoku Kk | Sheet preheater for corrugating machine |
JPH0612918Y2 (ja) * | 1983-08-19 | 1994-04-06 | ワーナー・ハー・カー・ペータース・マシーネンファブリック・ゲーエムベーハー | 段ボールの加熱装置 |
JPS6370326U (ja) * | 1986-10-29 | 1988-05-11 | ||
JPH02133329U (ja) * | 1989-04-13 | 1990-11-06 | ||
DE19716706A1 (de) * | 1997-04-21 | 1998-10-29 | Bhs Corr Masch & Anlagenbau | Maschine zur Herstellung einer einseitig kaschierten Wellpappebahn |
JP2003260743A (ja) * | 2002-03-11 | 2003-09-16 | Mitsubishi Heavy Ind Ltd | 段ボールシート製造装置のプレヒータ |
JP2003266569A (ja) * | 2002-03-13 | 2003-09-24 | Mitsubishi Heavy Ind Ltd | 段ボールシート製造装置のダブルフェーサ |
JP2004160951A (ja) * | 2002-11-15 | 2004-06-10 | Mitsubishi Heavy Ind Ltd | 段ボールシート製造装置の加熱ロール |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008102662A1 (ja) * | 2007-02-19 | 2008-08-28 | Mitsubishi Heavy Industries, Ltd. | 段ボール紙製造装置におけるダブルフェーサ及び該ダブルフェーサの熱盤の加熱制御方法 |
Also Published As
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