WO2018105651A1 - Procédé et dispositif de production de balle de papier empilée - Google Patents

Procédé et dispositif de production de balle de papier empilée Download PDF

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Publication number
WO2018105651A1
WO2018105651A1 PCT/JP2017/043807 JP2017043807W WO2018105651A1 WO 2018105651 A1 WO2018105651 A1 WO 2018105651A1 JP 2017043807 W JP2017043807 W JP 2017043807W WO 2018105651 A1 WO2018105651 A1 WO 2018105651A1
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WO
WIPO (PCT)
Prior art keywords
paper
packaging member
bundle
long
packaging
Prior art date
Application number
PCT/JP2017/043807
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English (en)
Japanese (ja)
Inventor
井川　真一
Original Assignee
株式会社クリンペット・ジャパン
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 株式会社クリンペット・ジャパン filed Critical 株式会社クリンペット・ジャパン
Publication of WO2018105651A1 publication Critical patent/WO2018105651A1/fr

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/16—Paper towels; Toilet paper; Holders therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/02—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas

Definitions

  • the present invention relates to a paper laminate bundle manufacturing method and a manufacturing apparatus for manufacturing a paper towel or the like from a long paper laminate bundle formed by laminating a plurality of long sheet-like members.
  • These paper products are configured by stacking a large number of sheet-like paper members having the same shape, or by folding one or a plurality of sheet-like paper members and stacking the folded sheet-like paper members. Because it is configured, it is also called a paper stack.
  • Paper laminated bundles are usually produced in factories and the like, then stored in storage facilities or warehouses, and transported to consumption areas and sales areas using logistics means such as railways and vehicles.
  • a paper stack is stored and packed in a corrugated cardboard box or the like according to its dimensions and quantity during storage and transportation, but contains air between the sheet-like paper members that make up the paper stack. Therefore, the outer size becomes large. For this reason, when a plurality of boxes are stored together in a cardboard box and stored or transported in a number of cardboard boxes, a space corresponding to the number of cardboard boxes is required, resulting in an increase in transportation costs and storage costs.
  • Patent Document 1 discloses a paper lamination packaging method that can reduce the transportation cost of a paper lamination bundle and reduce storage space in a warehouse or the like, and a paper lamination bundle packed by the method. Proposed packaging.
  • Patent Document 1 typically employs a method of producing a vacuum package that compresses a paper stack and sucks air in the packaging member, and stuffs the vacuum package into a container.
  • the size of the paper laminate bundle that can be compressed and sucked in the packaging member is limited by the volume of the vacuum packaging machine to be used. Becomes difficult.
  • a pressing plate having a size covering the long paper stack is prepared, and the pressing plate is pressed in the stacking direction against the long paper stack in a normal environment that is not in a vacuum state, and compressed.
  • Methods can also be taken.
  • the long paper laminate bundle begins to take in air as pressure is released by the press plate, so mechanical pressure is applied to the long paper laminate bundle. Is uniformly applied, and it is difficult to uniformly exhaust the air contained in the long paper stack while maintaining the compressed state.
  • the present invention has been made in view of the above-described problems.
  • the object of the present invention is to maintain a compressed state from a stack of long paper sheets compressed by a simple configuration and sucked into an airtight state. It is another object of the present invention to provide a method and an apparatus for manufacturing a paper stack having a predetermined size.
  • a first production step for example, production of a long paper laminated bundle 5 by the folding apparatus 10 in FIG. 1 for producing a paper laminated bundle (for example, the long paper laminated bundle 5 in FIG. 1);
  • a step of accommodating the long bundle of long paper sheets in a first packaging member for example, the packaging bag 31 in FIG. 5 (for example, step S13 in FIG.
  • a step of compressing the paper stack in the stacking direction of the long paper stack for example, step S15 in FIG. 4), and exhausting the air discharged from the first packaging member in association with the compression;
  • the step of sealing the long stack of paper sheets in the first packaging member for example, the step of FIG. 4.
  • Step S15) and a step of packaging the sealed long paper stack with the second packaging member for example, the packaging member 61 or the cylindrical body 62 in FIG. 7) (for example, step S17 in FIG. 4).
  • a second production step for example, step S19 in FIG. 4) of cutting the long paper laminated bundle together with the second packaging member to produce a paper laminated bundle of a predetermined size. It is characterized by.
  • the first packaging member has an opening (for example, the openings 31a and 31b in FIG. 5) at one end or both ends, and the air in the first packaging member from the opening in the compression step. Is discharged.
  • the rate at which the paper laminate bundle expands when air is taken into the paper laminate bundle covered with the cut second packaging member is determined by The method includes a step of adjusting according to a waist size of the packaging member.
  • a predetermined part at one end or both ends of the first packaging member is sealed by heat welding, and the long paper stack in the first packaging member is airtight. It is characterized by maintaining.
  • the first packaging member is a container that can temporarily maintain an airtight state
  • the second packaging member is a container made of kraft paper.
  • the paper laminate bundle produced in the second production step includes at least a paper towel, tissue paper, sheet-like toilet paper, and sheet-like nonwoven fabric.
  • the paper laminated bundle manufacturing apparatus of the present invention is a first production means (for example, producing a long paper laminated bundle made of a plurality of long sheet-like members by laminating continuous sheets fed out from an original fabric.
  • the folding processing apparatus 10 in FIG. 1, means for storing the long paper stack in a first packaging member (for example, the packaging portion 21 in FIG. 3), and the first packaging member.
  • Compression means for example, the suction / compression unit 23 in FIG. 3 for compressing the long paper stack in the stacking direction of the long paper stack, and the first packaging member accompanying the compression by the compression means
  • a sealing means for example, the suction / compression unit 23 in FIG.
  • a second production means for example, a cutting section 27 in FIG. 3 for producing a paper laminated bundle of a predetermined size by cutting the long paper laminated bundle together with the second packaging member.
  • the first packaging member has an opening at one end or both ends, and air in the first packaging member is discharged from the opening by the compression means.
  • the second production means the ratio that the paper laminate bundle expands when air is taken into the paper laminate bundle covered with the cut second packaging member, A means for adjusting according to a waist size of the second packaging member is included.
  • the sealing means seals a predetermined part of one end or both ends of the first packaging member by heat welding, and the air-tight state of the long paper laminate bundle in the first packaging member It is characterized by maintaining.
  • the paper laminated bundle of the present invention is compressed in a predetermined laminating direction while being accommodated in the first packaging member (for example, the packaging bag 31 in FIG. 5), and exhausts air from the first packaging member. 7 in the form of being sealed in the first packaging member (for example, the packaging member 61 of FIG.
  • the long sealed paper package 63) is cut into a predetermined size together with the second packaging member.
  • the first packaging member is a container capable of temporarily maintaining an airtight state
  • the second packaging member is a container made of kraft paper.
  • a long paper stack bundle compressed in the stacking direction and sucking air can be cut into a paper stack bundle according to various specifications, applications, etc., and special orders such as customer requirements, use environment, etc. ⁇ Easy and quick production of paper stacks that meet special specifications. Moreover, since the compressed state is maintained also in the paper laminate after cutting, it can be easily stored in a packing box or the like, and the transportation cost can be greatly reduced.
  • FIG. 4 is a flowchart showing a method for manufacturing a paper laminated bundle in the paper laminated bundle manufacturing apparatus of FIG. 3 in time series. It is a figure explaining the accommodation state etc. of the long paper-made laminated bundle to a packaging bag. It is a perspective view which shows the outline of the sealing device as an example of a compression and suction part. It is a figure explaining the state etc. which wrap or contain the package which became the sealing state in the packaging member or the hollow cylindrical body. It is a figure which shows the general view of the cutting device as an example of a cutting part. It is a figure which shows the modification of a cutting means.
  • FIG. 1 is an external view showing a schematic configuration of a folding processing apparatus (also referred to as an interfolder) for producing a paper laminated bundle (a long paper laminated bundle).
  • the folding processing apparatus 10 shown in FIG. 1 continuously cuts paper (base paper) made into paper into predetermined dimensions, and alternately folds the plurality of sheet-like paper members to obtain a predetermined number (number of sets). (Also referred to as a laminated bundle).
  • the paper-made bundle is a bundle of paper constituted by stacking a plurality of sheet-like paper members, and examples thereof include paper towels, tissue paper, sheet-like toilet paper, sheet-like non-woven fabrics, and the like. it can.
  • the paper towel is required to have appropriate flexibility and wet strength because of its usage.
  • Tissue paper is not required to be as strong as paper towels, but is required to be soft.
  • a sheet-like nonwoven fabric is used as, for example, thick kitchen paper, high strength and appropriate water absorption are required.
  • the “paper member” is not limited to ordinary paper made from vegetable fibers such as pulp, but is also synthetic fiber (for example, rayon, nylon, vinylon, polyester, acrylonitrile, etc.), glass fiber, or natural fiber.
  • a sheet-like fiber product made from a raw material for example, silk is also included.
  • a paper towel will be described as an example of a paper stack.
  • Paper towel base paper is made in the same way as base paper for tissue paper, sheet-like toilet paper, etc., but it uses paper that enhances the wet strength (paper strength enhancer), paper rather than tissue paper, etc. The difference is that the thickness is about 2 to 5 times thicker.
  • the paper thickness of tissue paper is about 11 g / m 2 and the thickness of sheet-like toilet paper is about 18 g / m 2
  • the paper thickness of paper towels is about 23 g / m 2 to 50 g / m 2. m 2 .
  • the folding processing apparatus 10 of FIG. 1 is a rotary type interfolder, and since its configuration, operation, and the like are well known, some of the components are not shown here.
  • the rotary type interfolder is smaller than the multi-stand type interfolder configured by arranging a number of folding mechanism units corresponding to the number of stacked sheets in a row, and has good folding quality such as sheet alignment. Therefore, it is suitable for folding thick sheets such as paper towels and kitchen paper.
  • the interfolder 10 shown in FIG. 1 is supported by a support portion 8 and has continuous sheets 15 and 17 fed out from a pair of original fabrics 11 and 13 rotatably attached to the center of an axis.
  • the sheet is cut while being folded by a folding plate (not shown), and the cut sheets are sequentially stacked to produce a laminated sheet bundle (paper-made laminated bundle).
  • the length of the long paper stack produced by the interfolder 10 is the same as the width W of the continuous sheets 15, 17, that is, the width of the original fabrics 11, 13.
  • the raw fabrics 11 and 13 are usually roll-shaped as shown in FIG. 1, it is not limited to this, For example, a fold-shaped thing may be sufficient.
  • the folding part (not shown) of the interfolder 10 has a pair of bed rolls, cutting rolls, folding rolls and the like driven by a motor or the like. For example, a blade provided on a cutting roll is brought into contact with a continuous sheet conveyed on a bed roll at a predetermined interval, and the continuous sheet is cut in the width direction of the sheet. The cutting width at this time is adjusted to the width before folding of the paper towel as the product.
  • the pair of folding rolls has a function of folding a sheet group partially overlapping. That is, among the folding rolls arranged close to each other, the sheet group moving on one folding roll and the sheet group of the other folding roll are overlapped, and the edge portion of each sheet at the overlapping portion These sheet groups are continuously folded by mutually pressing (pulling) each other, and they are sequentially laminated to form a laminated sheet bundle.
  • the laminated sheet bundle folded as described above is discharged as a long paper laminated bundle 5 from the discharge port 19 of the folding processing apparatus 10 by a transport mechanism (not shown).
  • the number of sheets of sheet-like paper members is counted, and when the predetermined number of sheets is reached, the laminate is automatically divided, and the required number of paper laminate bundles is obtained.
  • the processing apparatus 10 shown in FIG. 1 may be configured to include a so-called ply machine function for producing a two-ply sheet-like paper member as the sheet group.
  • FIG. 2 shows an example of folding a paper towel folding laminate (long paper stack) manufactured in the folding section of the interfolder 10 of FIG.
  • FIG. 2A is an example in which a long stack of paper sheets is folded in half (V-fold), and FIG. 2B is an example in which it is folded in three (Z-fold).
  • the folding mode may be a known folding structure other than these.
  • FIG. 3 is a block diagram showing a configuration of a paper laminated bundle manufacturing apparatus according to the present embodiment.
  • FIG. 4 is a flowchart showing, in chronological order, a method for manufacturing a paper laminate bundle in the paper laminate bundle manufacturing apparatus of FIG.
  • the paper laminated bundle manufacturing apparatus 20 includes a packaging unit 21, a suction / compression unit 23, a storage unit 25, and a cutting unit 27.
  • a control unit made of, for example, a microprocessor controls the above-described components according to a predetermined sequence program, so that a laminated bundle of paper towels having a predetermined size and form is obtained. Is manufactured.
  • step S11 of FIG. 4 when the long paper laminate bundle 5 discharged from the discharge port 19 of the folding apparatus 10 shown in FIG. 1 is supplied to the paper laminate bundle manufacturing apparatus 20, the following step S13 is performed. Then, the packaging unit 21 performs a process of storing the long paper stack 5 in the cylindrical packaging bag 31 as shown in FIG.
  • the packaging bag 31 is not a dedicated bag for airtight packaging described later, but is a commercially available polyethylene bag, for example, and has a characteristic that the airtight state of the package can be temporarily maintained. Moreover, the packaging bag 31 has opening part 31a, 31b in the both ends, for example, and has length L2 more than the length L1 of the long paper laminated bundle 5 (L1 ⁇ L2). Therefore, as shown in FIG. 5 (b), both end portions 33a and 33b of the package 33 in which the long paper stack 5 is accommodated in the packaging bag 31 are compatible with the sealing process described later. It is in a hollow state (a state that does not cover the contents) for the required length. In addition, the packaging bag 31 is good also as a structure which has an opening part only in the one end side.
  • step S15 of FIG. 4 the entire package 33 containing the long paper stack 5 is compressed by the compression / suction unit 23 and included in the sheet paper member constituting the long paper stack 5.
  • the air that has been discharged is discharged out of the packaging body 33, and a sealed packaging body (a long-sealing packaging body described later) of a long paper stack is produced.
  • FIG. 6 is a perspective view schematically showing a sealing device as an example of the compression / suction unit 23.
  • the sealing device 40 shown in FIG. 6 is a chamber-type device, and when compression / suction is started, the lid 41 of the sealing device 40 is opened, and the packaging body 33 is placed in each of the storage portions 43 and 45 provided inside the device. Deploy.
  • the sealing device 40 is exemplified as a double chamber type device configured to be capable of compressing and sucking two packages at the same time.
  • the present invention is not limited to this, and the package can be arranged at the same time. It is good also as a chamber structure in which the number of exceeds two.
  • Guide members 43a and 45a for facilitating accommodation of the package 33 are provided around the upper ends of the individual storage portions 43 and 45. Since the storage portions 43 and 45 have a volume that matches the size of the packaging body 33, the packaging body 33 has four side surfaces parallel to the sheet stacking direction of the long paper laminate bundle 5. It accommodates and arrange
  • a pair of pressing plates 53 and 55 are provided for pressing the entire packaging 33 from above when the lid part 41 is closed.
  • the air cylinder 44 (only one of a pair of air cylinders shown in FIG. 6) provided on the front side of the lid portion 41 is operated in a state where the lid portion 41 is closed, thereby pressing plates 53 and 55.
  • a predetermined pressure is applied in a direction along the stacking direction of the long bundle of paper-made bundles to each of the packaging bodies 33 positioned at the lower part thereof.
  • the entire packaging body 33 is pressed evenly during compression / suction, and the stacked bundle made of long paper through the openings 31a and 31b on both ends of the packaging body 33 by the intake mechanism (not shown) of the sealing device 40. Air is uniformly sucked from any part of 5. As a result, the package 33 is compressed almost uniformly along the stacking direction of the long paper stack.
  • the sealing device 40 is provided with a pair of seal portions 57a and 59a at both ends in the longitudinal direction of the storage portions 43 and 45, and on the back side of the lid portion 41, when the lid portion 41 is closed, the seal portion A pair of seal portions 57b and 59b are provided in close contact with 57a and 59a in the vertical direction.
  • the seal portions 57a, 57b, 59a, 59b have a structure in which, for example, a nichrome wire as a heating element is disposed.
  • the predetermined portions of the end 33a of the package 33 shown in FIG. 5B are sandwiched by the seals 57a and 57b.
  • the predetermined portion of the end portion 33b is sandwiched between the seal portions 59a and 59b.
  • these predetermined parts are heat-welded by heating at about 150 degreeC, for example.
  • these thermally welded portions are shown as sealing portions 77a and 77b.
  • the compression / suction mechanism of the sealing device 40 is configured so that the pressing force by the pressing plates 53 and 55 and the suction time by an unillustrated suction mechanism can be adjusted.
  • the density (sealing degree) can be appropriately changed.
  • step S17 the package 33 (hereinafter referred to as a sealed package 35) that has been compressed and sealed as described above is taken out and is stored by the storage unit 25 in FIG.
  • the entire sealed packaging 35 is removed by the packaging member 61 made of kraft paper of a predetermined size (for example, a thickness of about 50 g / m 2 to 75 g / m 2 ) except for the end portion in the major axis direction. Cover. And the edge parts 61a and 61b of the packaging member 61 are joined by hot-melt etc., and the sealed packaging body 35 is packaged in a cylinder shape.
  • FIG. 7B shows the appearance of a long sealed package 63 formed by packaging the sealed package 35 with a packaging member 61.
  • the hollow cylindrical shape produced by folding rectangular kraft paper and shape
  • the sealed package 35 may be stored in the body 62.
  • the cylindrical body 62 has such a size that a slight gap 73 is generated between the sealed packaging body 35 and the cylindrical body 62 when the sealed packaging body 35 is accommodated.
  • step S19 the long sealed package 63 is cut at the cutting portion 27, and a paper-made stack of a predetermined size is produced.
  • FIG. 8 shows an overview of a cutting apparatus as an example of the cutting unit 27.
  • the cutting device 60 is provided with a feed plate 71 on which a long sealed package 63 is mounted and movable in the horizontal direction, and a yarn saw 75 that is reciprocated vertically up and down with respect to the feed plate 71.
  • the feed plate 71 is provided with a groove portion through which the yarn saw 75 is inserted in the moving direction when cutting.
  • the cutting unit 27 determines a cutting length L based on size information input in advance by an operator of the sealing device 40.
  • the long sealed package 63 may be cut into a predetermined length L. As a result, a plurality of paper stacks can be produced by a single cutting, and productivity is improved.
  • the size (outside size) is the circumference of the packaging member 61 or the cylindrical body 62 (also referred to as the diameter of the cylinder or the circumferential dimension of the cylinder), and the circumference of the packaging material (here, kraft paper) constituting these. Although it is limited by the expansion coefficient in the direction, the size of the waistline is considered to be dominant. Therefore, in the present embodiment, as shown in FIGS.
  • the ratio of expanding the sealed packaging body 35 inflowing air by cutting (the ratio of expanding to return to the original state) is controlled.
  • the cut length L for example, it is possible to produce a paper stack 65 having various sizes according to the size of the packaging box, the requirements of the delivery destination, the application, and the like.
  • a fine adjustment of the expansion ratio of the sealed packaging body 35 at the time of cutting and strength as an exterior paper can be achieved. Can increase.
  • the sealing device 40 In addition to changing the waist size of the packaging member 61 or the cylindrical body 62 in the cutting process, in the sealing device 40 described above, for example, the packaging bag according to the raw paper material, the paper thickness, etc. of the long paper stack 5 Means for adjusting the air density (sealing degree) of the long paper stack 5 at 31 may be provided, and the air density may be included in the element to control the rate at which the sealed package 35 is expanded.
  • the paper laminated bundle manufacturing apparatus is configured so that the long paper laminated bundle accommodated in the cylindrical packaging bag by the packaging unit is compressed and sucked in the sheet stacking direction.
  • the air is compressed uniformly and the air contained in the long paper stack is uniformly sucked into a sealed package.
  • the long sealed package containing the sealed package is cut into a predetermined length in the cutting unit to produce a paper stack of a predetermined size. It has the composition to do.
  • the transportation cost of the paper laminate bundle can be greatly reduced, and the space required for storage in a warehouse or the like can be reduced, so that it is possible to provide a paper laminate bundle suitable for, for example, refilling or mail order (mail order).
  • product names, manufacturers, illustrations, etc. are printed in advance on the kraft paper as a packaging member for wrapping long paper stacks at intervals that match the size of the cut. Cut the laminated bundle made of paper.
  • the conventional paper laminated bundle was mainly a commercial paper laminated bundle compressed into a packing unit, whereas the paper laminated bundle according to the present embodiment was compressed into individual units (pack units). Therefore, it has a product form that can be displayed at retail stores, mass retailers, etc. while maintaining its compression mode as a paper laminated bundle for general households and individual consumers, or that can be easily sold to individuals by mail order .
  • a package of long paper stack (packaging bag) at the time of compression / suction Since air can be simultaneously sucked in from both ends, suction processing can be performed smoothly and efficiently. Furthermore, the airtight state of the sealed package is released simultaneously with the cutting of the long paper stack, and the package expands, so that the airtight state is eliminated by opening a hole in the packaging bag with a needle or the like as before.
  • the step of inflating the bag is not necessary, and the workability when a paper stack covered with a packaging member or a cylindrical body (packaging material) is accommodated in an accommodation box or the like is improved.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sanitary Thin Papers (AREA)

Abstract

La présente invention concerne un procédé de fabrication de balle de papier empilée comprenant : une première étape de fabrication consistant à empiler une feuille continue acheminée depuis une matière première pour fabriquer une balle de papier empilée longue comprenant une pluralité d'éléments de type feuille longs ; une étape consistant à recevoir la balle de papier empilée longue dans un premier élément d'emballage ; une étape consistant à comprimer la balle de papier empilée longue reçue dans le premier élément d'emballage dans le sens de l'empilement de la balle de papier empilée longue ; une étape consistant à sceller hermétiquement la balle de papier empilée longue à l'intérieur du premier élément d'emballage en évacuant l'air poussé hors du premier élément d'emballage pendant la compression ; une étape consistant à emballer la balle de papier empilée longue hermétiquement scellée avec un deuxième élément d'emballage ; et une deuxième étape de fabrication consistant à découper la balle de papier empilée longue conjointement avec le deuxième élément d'emballage afin de fabriquer des balles de papier empilées longues ayant une taille prédéterminée.
PCT/JP2017/043807 2016-12-07 2017-12-06 Procédé et dispositif de production de balle de papier empilée WO2018105651A1 (fr)

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JP2016237528A JP6829873B2 (ja) 2016-12-07 2016-12-07 紙製積層束の製造方法および紙製積層束の製造装置
JP2016-237528 2016-12-07

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JP3232372U (ja) * 2018-07-06 2021-06-10 有限会社晃栄 トイレットペーパー
JP2020185129A (ja) * 2019-05-14 2020-11-19 株式会社フクヨー 包装体の製造方法、及び包装体

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53100076A (en) * 1977-02-08 1978-09-01 Toyo Rubber Chemical Ind Co Packaging method of rubber string
JPH07115688B2 (ja) * 1989-12-20 1995-12-13 大河 秀一 ふとん等の真空包装方法
JP2003235753A (ja) * 2002-02-15 2003-08-26 Mochizuki Shigyo Kk ティッシュペーパー等の積層体及びその製造方法
JP2006131295A (ja) * 2004-11-09 2006-05-25 Sanki Eng Co Ltd ダクト用保温断熱材の多数梱包体及びその製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53100076A (en) * 1977-02-08 1978-09-01 Toyo Rubber Chemical Ind Co Packaging method of rubber string
JPH07115688B2 (ja) * 1989-12-20 1995-12-13 大河 秀一 ふとん等の真空包装方法
JP2003235753A (ja) * 2002-02-15 2003-08-26 Mochizuki Shigyo Kk ティッシュペーパー等の積層体及びその製造方法
JP2006131295A (ja) * 2004-11-09 2006-05-25 Sanki Eng Co Ltd ダクト用保温断熱材の多数梱包体及びその製造方法

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