US3829338A - Double facer machine heat control - Google Patents

Double facer machine heat control Download PDF

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Publication number
US3829338A
US3829338A US00262858A US26285872A US3829338A US 3829338 A US3829338 A US 3829338A US 00262858 A US00262858 A US 00262858A US 26285872 A US26285872 A US 26285872A US 3829338 A US3829338 A US 3829338A
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US
United States
Prior art keywords
liner
heat
paperboard
temperature
double
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 - Lifetime
Application number
US00262858A
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English (en)
Inventor
N Hayasi
W Morrison
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.)
Harris Corp
Original Assignee
Harris Intertype Corp
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 Harris Intertype Corp filed Critical Harris Intertype Corp
Priority to US00262858A priority Critical patent/US3829338A/en
Priority to GB2440073A priority patent/GB1395836A/en
Priority to DE19732328550 priority patent/DE2328550C3/de
Priority to NL737308216A priority patent/NL152200B/xx
Priority to FR7321689A priority patent/FR2188500A5/fr
Priority to JP6732673A priority patent/JPS5650709B2/ja
Application granted granted Critical
Publication of US3829338A publication Critical patent/US3829338A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B31F1/2831—Control
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1007—Running or continuous length work
    • Y10T156/1016—Transverse corrugating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1025—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina to form undulated to corrugated sheet and securing to base with parts of shaped areas out of contact

Definitions

  • a set point temperature is selected to be the desired temperature of the double-face paperboard after the bond has been effected.
  • the set point temperature chosen will normally be in a range of temperature and will vary with the type of equipment involved, the characteristics of the liner, the flute, the amount of preheating of the liner and web of single-face board, the adhesive characteristics, etc.
  • the temperature of the bottom liner is measured at one or more locations without physically touching the liner with the heat sensor.
  • the temperature signal is then amplified and fed to a comparator control device.
  • the comparator control device compares the liner temperature signal with the set point signal and produces a signal which is utilized to regulate the elfective weight of or the number of ballast rollers engaging the lower run of the double-facer belt. In this manner, the amount of heat transferred to the double-face board is controlled so as to attain the optimum temperature to complete the adhesive bond and dry the board regardless of the speed of the board as it travels through the double-facer machine.
  • FIG. 1 is a schematic side elevation view of a double facer machine.
  • FIG. 2 is a side elevation view of one heating unit shown schematically in FIG. 1.
  • FIG. 3 is a sectional view taken along the line 33 in FIG. 2.
  • FIG. 4 is a sectional view taken along the line 4--4 in FIG. 2.
  • FIG. 5 is a schematic diagram illustrating circuitry for effecting heat control.
  • FIG. 1 a double facer machine designated generally as 10.
  • the double facer machine 10 includes a conventional belt 12 extending around rollers 14 and 16.
  • the belt is weighted by ballast rollers schematically identified as 13.
  • the lower run of the belt 12 maintains a web of paperboard in intimate contact with a source of heat which is preferably a plurality of heat sources schematically identified by the numerals 18, 20, 22 and 24.
  • a typical double facer machine will have a greater number of discrete heat sources than shown.
  • the web of paperboard is directed to a conveyor 26 for subsequent operations including slitting, shearing, stacking, etc.
  • FIG. 2 there is illustrated the details with respect to one of the heat sources illustrated in FIG. 1, namely the heat source 22. All or some of the heat sources associated with the double-facer machine may be constructed as described hereinafter in conjunction with the heat source 22.
  • the heat source 22 includes a source of heat such as a steam chest 30.
  • Steam chest 30 is adapted to be moved toward and away from the plane of the double-face 3 paperboard 28 in a manner such as described in US. Pat. 2,941,573 dated June 21, 1960.
  • the steam chest 30 is mounted for pivotable movement about pin 32 at one end.
  • the other end of the steam chest 30 is connected to one end of a piston rod 34 associated with a piston in cylinder 36.
  • the introduction of motive fluid such as pressurized air into the cylinder 36 causes the piston rod to move upwardly and downwardly to effect a pivotable movement of the steam chest 30.
  • the steam chest 30 may reciprocate vertically rather than pivot. In either event, the steam chest 30 is moved toward and away from the plane of the paperboard 28 to regulate heat transfer. 7
  • the frame of the double facer includes a rail 38 along one side and a mating rail on the opposite side.
  • the opposite sides of the double facer machine 10 are similiar. Hence, wherever applicable, only one side of the double facer machine 10 will be described in detail with the corresponding elements being illustrated in the drawing with corresponding primed numerals.
  • a lever arm 40 has one end pivotably connected to the rail 38.
  • Lever arm 40 rotatably supports a ballast roller 42 intermediate its ends.
  • Lever arm 44 having ballast roller 46 and lever arm 48 having ballast roller 50 are similarly provided.
  • the lower end of the lever arms 40, 44 and 48 are pivotably connected to a horizontally disposed manifold member 52 having elongated slots for receiving the pivot pin on the lever arms.
  • Member 52 is connected to one end of a pison rod 56 which in turn is connected to a piston within cylinder 58.
  • a motive fluid such as a pressurized air into the cylinder 58 causes member 52 to reciprocate vertically, exerting thereby greater or lesser perpendicular force on the lever arms 40, 44 and 48.
  • Force applied to the lever arms 40, 44 and 48 causes the rollers 42, 46 and 50 to apply a greater or lesser pressure on the lower run of the belt 12.
  • a greater pressure on said belt lower run effects a higher heat transfer rate due to the more positive contact between the web of paperboard 28 and the steam chests or other heat sources, and vice versa.
  • the rollers 42, 46 and/or 50 may be raised completely out of contact with the belt lower run to further decrease heat transfer to the paperboard 28.
  • the rollers 42, 46 and 50 preferably have one of four different modes.
  • a first mode the pressure applied to cylinder 58 maintains the member 52 at an elevation wherein the dead weight or weight of gravity of the rollers is applied to the belt 12.
  • pressure is applied to cylinder 58 whereby the effective weight of the rollers is increased by an appropriate amount, such as approximately 50% to 200%, for the desired maximum heat transfer.
  • pressure is applied to the cylinder 58 to oppose some of the dead weight of the rollers such as 50% of their dead weight. In these three modes of the rollers 42, 46 and 50, they remain in contact with the belt 12. Inthe fourth position, the rollers are lifted out of contact with the lower run of belt 12 for minimum heat transfer.
  • member 52 As the member 52 is moved upwardly or downwardly by the piston rod 56, member 52 remains pivotably coupled to the lower ends of the lever arms 40, 44 and 48.
  • the pivot pin for each of said lever arms extends through a horizontally elongated slot 54. in member 52. See FIG. 2.
  • the heat source 22 may have additional lever arms 60 pivotably connected at their upper end to the rail 38 on opposite sides of the double facer.
  • a ballast roller 62 is supported in a central position on the lever arm 60. See FIGS. 2 and 3.
  • the periphery of roller 62 has one or more portions of reduced diameter so as to limit its effective length to a portion of the belt width such as one side edge portion thereof.
  • the lower end of each lever arm 60 is pivotably connected to a coupling member 64 having an elongated horizontally disposed slot.
  • roller Member 64 is connected to the upper end of piston rod 66.
  • the lower end of piston rod 66 is connected to a piston within cylinder 68.
  • Motive fluid such as pressurized air may be introduced into cylinder 68 to raise or lower the roller 62 in the manner described above.
  • the effective length of roller 62 is substantially less than that of the rollers 42, 46 and 50 so that it only effects a portion such as a side edge portion of the paperboard 28.
  • a temperature sensing device 70 is positioned approximately intermediate the side edges of the paper board 28'for detecting the temperature of the liner 29 on the paperboard 28. Similar temperature sensors 72 arid 74 are provided for detecting the temperature of the liner adjacent the side edges of the paper board 28. Each of the temperature sensors is of a non-contact type such as a commercially available infrared thermometer which generates an output voltage signal as a function oftemperature.
  • the circuitry includes a comparator control device 76 connected to each of the temperature sensors.
  • a set point device 82 is connected to the control device 76.
  • Pressurized air from a source such as a compressor is coupled to the control device 76 by way of conduit 84.
  • Control device 76 is a conventional comparator which balances voltages.
  • the control device 76 includes solenoid operated valves for controlling flow of pressurized air from conduit 84 to the various cylinders 36 58, 68, etc.
  • Control device 76 separately compares the voltages from set point device 82 with the voltages from each of the temperature sensors. Actuation of the piston rod 66 in cylinder 68 to move roller 62 is responsive only to a comparison on the set point voltage and the voltage generated by temperature sensor 72. Roller 62 controls heat transfer in a portion of the paperboard 28.
  • Sensor 74 is likewise coupled to device 76 for effecting operation of another cylinder comparable to cylinder 68 to raise or lower another roller like roller 62 which is effective only on another transverse portion of the paperboard 28.
  • piston rod 34 associated with cylinder 36 must also be actuated to move the flat upper face of the steamchest 30 away from the plane of the double-face paperboard 28 to reduce heat transfer further.
  • the signal for controlling the piston rod 34 in cylinder 36 is responsive to the comparison of the set point voltage and the voltage generated by temperature sensor 70.
  • control device 76 may be coupled to the heat source 22 as well as the heat source 24 to effect similar action at the heat source 24.
  • the set point device 82 must be manually adjusted by an operator to indicate the desired temperature on the paperboard 28. Adjustment of device 82 may be effected merely by adjusting the length of a resistor in a Wheatstone bridge.
  • a typical example of the present invention is as follows. Where a double-face paperboard 28 is a 26-26-26 weight board having a B-flute medium and is being combined on a Langston (trademark) double facer machine, the set point device 82 may be set at an appropriate temperature between 260 F. and 285 F. This automatically predetermines a deviation of about 10 F.
  • the effective weight of the rollers will be increased or decreased and/or the steam chest will move away from the plane of the paperboard 28.
  • the rate of heat transfer to the paperboard 28 will increase or decrease depending upon whether the measured temperature of the liner 29 is below or above the preset desired temperature range.
  • the temperature of the paperboard and its moisture content are interrelated. For example, a liner 29 was preheated prior to entering the double facer machine. If the liner 29 contains no free moisture, the liner 29 need only be subjected to heat along a small portion of the double facer machine 10.
  • the liner 29 has 3 percent moisture, it need only be subjected to heat for approximately onehalf of the length of the heater section of the double facer machine 10. If the liner 29 has 6 percent moisture, it need be subjected to heat only during contact with approximately three-quarters of the length of the heater section of the double facer machine 10. If the liner 29 has 9 percent moisture, it need be subjected to heat for approximately the entire length of the heater section of the double facer machine 10.
  • This method of heat control is to be compared with prior art devices which attempt to effect a control of heat transfer as a function of speed or other relationships.
  • the effective heat transfer length of the double facer machine 10 may be decreased since the rate of heat transfer to the liner board 28 will be increased.
  • operating charts may be prepared for a particular production need whereby one or more heat sources can be out of service and at the same time uniform corrugated paperboard can be produced in the most efficient manner.
  • the heat to be transferred to the paperboard must be applied over a longer portion of the double facer machine 10 when the liner 29 has a high moisture content as compared with a liner 29 having a low moisture content. It is desired to use the entire length of the heating section of double facer machine 10 to effect heat transfer to the paperboard, regardless of the moisture content of the liner 29 to obtain the best thermal elficiency and to keep the board temperature within the prescribed values. In order that this may be accomplished, the rate of temperature rise of the liner 29 is detected by having sets of said sensors 70, 72, 74 at spaced locations along the length of the double facer machine 10.
  • one or more heat sources and/or their associated rollers may be moved to reduce heat transfer to the liner 29. This will cause the temperature of the liner 29 to fall. In this manner, the liner temperature may hunt in the preset temperature range whereby all moisture (except for residual moisture) will have been removed at or just prior to exit from the heating section of the double facer machine 10. As pointed out above, the adjustment of heat transfer rate to the liner may be accomplished across the width of the paperboard 28 or only within a narrow range zone.
  • the apparatus and method of the present invention more accurately transmits heat to the paperboard 28, prevents overheating of the paperboard 28, and provides for selective heating of portions or Zones of the paperboard 28. While the web of paperboard 28 has been referred to as being double-face, heat transfer to other webs of paperboard such as double wall and triple wall board may be controlled in the same manner.
  • a method of combining the components of doubleface corrugated paperboard wherein a liner is bonded to the crest of flutes of a single-face web as the liner and single-face web are moved through a double facer machine having a heat source by an endless belt, and wherein heat from the source is transmitted to said components through said liner to effect a bond comprising the steps of:
  • a method in accordance with claim 1 including performing said measuring step at two different locations on said liner.
  • ballast rollers biasing the lower run of said belt towards said heat source
  • control means for comparing the liner temperature signal and the set point signal, and for generating an output signal as a function thereof
  • Apparatus in accordance with claim 4 including means interconnecting at least two adjacent rollers for simultaneous adjustment with respect to their effective weight.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
US00262858A 1972-06-14 1972-06-14 Double facer machine heat control Expired - Lifetime US3829338A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US00262858A US3829338A (en) 1972-06-14 1972-06-14 Double facer machine heat control
GB2440073A GB1395836A (en) 1972-06-14 1973-05-22 Double facer machine heat control
DE19732328550 DE2328550C3 (de) 1972-06-14 1973-06-05 Vorrichtung zum Trocknen von Wellpappe
NL737308216A NL152200B (nl) 1972-06-14 1973-06-13 Inrichting voor het vervaardigen van golfkarton.
FR7321689A FR2188500A5 (cs) 1972-06-14 1973-06-14
JP6732673A JPS5650709B2 (cs) 1972-06-14 1973-06-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00262858A US3829338A (en) 1972-06-14 1972-06-14 Double facer machine heat control

Publications (1)

Publication Number Publication Date
US3829338A true US3829338A (en) 1974-08-13

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US00262858A Expired - Lifetime US3829338A (en) 1972-06-14 1972-06-14 Double facer machine heat control

Country Status (5)

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US (1) US3829338A (cs)
JP (1) JPS5650709B2 (cs)
FR (1) FR2188500A5 (cs)
GB (1) GB1395836A (cs)
NL (1) NL152200B (cs)

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3948718A (en) * 1973-03-02 1976-04-06 Bhs-Bayerische Berg-Hutten-Und Salzwerke Aktiengesellschaft Apparatus for pressing a moving web of material against a supporting surface particularly to a heating part
US3960475A (en) * 1975-07-08 1976-06-01 Westvaco Corporation Angular indexing mechanism
US4042446A (en) * 1975-08-14 1977-08-16 Henry Simon Limited Corrugated board-making machinery
US4049485A (en) * 1975-03-08 1977-09-20 Simon Container Machinery Limited Corrugating machinery
US4115178A (en) * 1975-10-21 1978-09-19 Pacific Adhesives, Inc. Method of making glued, laminated assemblies in prepressed and final pressed stages
US4461664A (en) * 1982-09-29 1984-07-24 Auer Mark J Manufacturing fiberboard ducts
US4528053A (en) * 1982-09-29 1985-07-09 Auer Mark J Manufacturing fiberboard ducts
US4556444A (en) * 1983-08-19 1985-12-03 Werner H.K. Peters Maschinenfabrik Gmbh Heating device for corrugated cardboard in a corrugated cardboard pasting machine
US4671045A (en) * 1983-07-22 1987-06-09 Scandia Packaging Machinery Company Method and assembly for sealing articles
US4834828A (en) * 1987-04-30 1989-05-30 Engineered Construction Components Machine for welding roof membranes
US5005473A (en) * 1988-09-26 1991-04-09 Mitsubishi Jukogyo Kabushiki Kaisha Press roll elevator in a double facer
US5244518A (en) * 1990-11-02 1993-09-14 Stickle Steam Specialties Co. Inc. Corrugated board manufacturing apparatus and process including precise web moisture and temperature control
US5353572A (en) * 1992-01-28 1994-10-11 Tokyo Automatic Machinery Works, Ltd. Sealing device of packaging device
US5466329A (en) * 1994-06-03 1995-11-14 Marquip, Inc. Adjustable ballast system for the holddown belt in a double facer
US5611267A (en) * 1993-09-22 1997-03-18 Corrugated Gear & Services, Inc. Apparatus and method for applying variable pressure to a surface in corrugated paperboard manufacturing
US5632830A (en) * 1994-06-03 1997-05-27 Marquip, Inc. Adjustable ballast system for a double facer
US5676790A (en) * 1996-03-25 1997-10-14 Copar Corporation Corrugating machine with thermal position sensing
US5711214A (en) * 1993-09-22 1998-01-27 Lauderbaugh; David M. Apparatus for dissipating moisture from an item
US5732622A (en) * 1997-01-24 1998-03-31 Corrugated Gear And Services Machine for manugacturing corrugated board
US6390963B1 (en) 1998-11-30 2002-05-21 Corrugated Gear & Services, Inc. Corrugated board manufacturing apparatus including a preheater section with a variable heat transfer system and a hotplate section with a passive hold-down mechanisim
US6745807B2 (en) * 2000-09-22 2004-06-08 Mitsubishi Heavy Industries, Ltd. System for manufacturing bonded sheet material
US20040177912A1 (en) * 2003-03-14 2004-09-16 James Burrows Corrugating machine with multiple thermal position sensing
US6854496B2 (en) * 2000-09-22 2005-02-15 Mitsubishi Heavy Industries, Ltd. Double facer for use in corrugated fiberboard sheet manufacturing system
US20080077267A1 (en) * 2006-09-22 2008-03-27 Mitsubishi Heavy Industries, Ltd. Controlling system for cardboard-sheet manufacturing apparatus
CN107696590A (zh) * 2016-08-09 2018-02-16 Bhs波纹机械和设备制造有限公司 切割和成纹机构

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52143192A (en) * 1976-05-25 1977-11-29 Honshu Paper Co Ltd Sheet applying apparatus provided with device for correcting warping of sheet
JPS5823231A (ja) * 1981-07-31 1983-02-10 Nippon Denso Co Ltd 自動車用エンジンの自動始動停止方法
JP2532587B2 (ja) * 1988-06-16 1996-09-11 レンゴー 株式会社 段ボ―ルシ―ト製造装置の制御方法
JPH0319410U (cs) * 1989-07-07 1991-02-26
JPH05338067A (ja) * 1992-06-05 1993-12-21 Mitsubishi Heavy Ind Ltd シングルフェーサ

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3948718A (en) * 1973-03-02 1976-04-06 Bhs-Bayerische Berg-Hutten-Und Salzwerke Aktiengesellschaft Apparatus for pressing a moving web of material against a supporting surface particularly to a heating part
US4049485A (en) * 1975-03-08 1977-09-20 Simon Container Machinery Limited Corrugating machinery
US3960475A (en) * 1975-07-08 1976-06-01 Westvaco Corporation Angular indexing mechanism
US4042446A (en) * 1975-08-14 1977-08-16 Henry Simon Limited Corrugated board-making machinery
US4115178A (en) * 1975-10-21 1978-09-19 Pacific Adhesives, Inc. Method of making glued, laminated assemblies in prepressed and final pressed stages
US4528053A (en) * 1982-09-29 1985-07-09 Auer Mark J Manufacturing fiberboard ducts
US4461664A (en) * 1982-09-29 1984-07-24 Auer Mark J Manufacturing fiberboard ducts
US4671045A (en) * 1983-07-22 1987-06-09 Scandia Packaging Machinery Company Method and assembly for sealing articles
US4556444A (en) * 1983-08-19 1985-12-03 Werner H.K. Peters Maschinenfabrik Gmbh Heating device for corrugated cardboard in a corrugated cardboard pasting machine
US4834828A (en) * 1987-04-30 1989-05-30 Engineered Construction Components Machine for welding roof membranes
US5005473A (en) * 1988-09-26 1991-04-09 Mitsubishi Jukogyo Kabushiki Kaisha Press roll elevator in a double facer
US5244518A (en) * 1990-11-02 1993-09-14 Stickle Steam Specialties Co. Inc. Corrugated board manufacturing apparatus and process including precise web moisture and temperature control
US5656124A (en) * 1990-11-02 1997-08-12 Stickle Steam Specialties Co. Inc. Corrugated board manufacture including precise web moisture and temperature control
US5353572A (en) * 1992-01-28 1994-10-11 Tokyo Automatic Machinery Works, Ltd. Sealing device of packaging device
US5611267A (en) * 1993-09-22 1997-03-18 Corrugated Gear & Services, Inc. Apparatus and method for applying variable pressure to a surface in corrugated paperboard manufacturing
US5711214A (en) * 1993-09-22 1998-01-27 Lauderbaugh; David M. Apparatus for dissipating moisture from an item
US5791239A (en) * 1993-09-22 1998-08-11 Corrugated Gear & Services, Inc. Machine for manufacturing corrugated paperboard with independently controlled pressure applicators
US5632830A (en) * 1994-06-03 1997-05-27 Marquip, Inc. Adjustable ballast system for a double facer
US5466329A (en) * 1994-06-03 1995-11-14 Marquip, Inc. Adjustable ballast system for the holddown belt in a double facer
US5676790A (en) * 1996-03-25 1997-10-14 Copar Corporation Corrugating machine with thermal position sensing
US5732622A (en) * 1997-01-24 1998-03-31 Corrugated Gear And Services Machine for manugacturing corrugated board
US6390963B1 (en) 1998-11-30 2002-05-21 Corrugated Gear & Services, Inc. Corrugated board manufacturing apparatus including a preheater section with a variable heat transfer system and a hotplate section with a passive hold-down mechanisim
US6745807B2 (en) * 2000-09-22 2004-06-08 Mitsubishi Heavy Industries, Ltd. System for manufacturing bonded sheet material
US6854496B2 (en) * 2000-09-22 2005-02-15 Mitsubishi Heavy Industries, Ltd. Double facer for use in corrugated fiberboard sheet manufacturing system
US20040177912A1 (en) * 2003-03-14 2004-09-16 James Burrows Corrugating machine with multiple thermal position sensing
US20080077267A1 (en) * 2006-09-22 2008-03-27 Mitsubishi Heavy Industries, Ltd. Controlling system for cardboard-sheet manufacturing apparatus
CN107696590A (zh) * 2016-08-09 2018-02-16 Bhs波纹机械和设备制造有限公司 切割和成纹机构
CN107696590B (zh) * 2016-08-09 2019-09-27 Bhs波纹机械和设备制造有限公司 切割和成纹机构

Also Published As

Publication number Publication date
FR2188500A5 (cs) 1974-01-18
NL152200B (nl) 1977-02-15
DE2328550A1 (de) 1974-01-03
NL7308216A (cs) 1973-12-18
JPS5650709B2 (cs) 1981-12-01
JPS4951092A (cs) 1974-05-17
GB1395836A (en) 1975-05-29
DE2328550B2 (de) 1976-12-23

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