JP2005186959A - Packaging method and package of record-like wound tape - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a packaging method and a package which can prevent a winding slip of a record-like wound tape (tape wound around a core having a length approximately equal to the width of the tape with the width side ends aligned) from occurring regardless of the size of the record-like wound tape. <P>SOLUTION: By this packaging method, the record-like wound tape is placed in a bag, and the inside of the bag is evacuated and sealed. When required, the bag is formed of a heat-shrinkable film, and shrink-packaging is performed after the evacuation and the sealing, and thus, the fixation of the record-like wound tape is strengthened. In addition, the bag is formed of a thermoplastic resin having gas barrier property, and at least one of a deoxidizer, a humidity adjusting agent and a desiccant is contained in the bag, and the evacuation and the sealing are performed. Thus, the quality deterioration of the tape is prevented from occurring, and the long term storage is made possible. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a record winding tape packaging method and package.

  There are two ways to wind the tape: record winding and traverse winding. In the record winding, a core material such as a paper tube having a width substantially the same as the width of the tape (in the present invention, a paper tube will be used as a representative example of the core material hereinafter) is aligned with the end face of the tape at the same location. Are generally used for tapes having a relatively short winding length of 100 m or less. The advantage of record winding is that the tape is wound around a paper tube having the same width as that of the tape so that the tape is stacked at the same place. Therefore, the physical properties in the tape width direction are constant, and a uniform tape can be obtained.

  However, when winding the tape for a long time, the thickness of the end surface on which the tape is wound becomes thicker as long as it is wound. (So-called bamboo shoots, telescos) is likely to occur. Traverse winding means winding a tape around a paper tube wider than the width of the tape in a spiral, and at the end of the paper tube, the tape is applied to the end of the other paper tube many times. In this method, the tape is continuously wound in a spiral shape, and is generally used for a tape having a long winding length of several thousand meters. The advantage of traverse winding is to wind a tape around a paper tube that is wider than the tape width in a spiral, and then wind the tape at the end of the paper tube and spiral toward the other paper tube end. Since it is a continuous method, it is difficult for the tape to cause winding deviation, and it is generally possible to wind the tape long enough to reach several thousand meters or in some cases exceeding 10,000 m.

However, since the paper tube width is spirally wound around the paper tube wider than the width of the tape, or while winding it alternately, the tape wound near the end of the paper tube is used to change the winding direction. In other words, there is a drawback in that winding gussets are formed in a square shape, and portions having different physical properties are partially formed in the width direction of the tape. Especially when used in large quantities in demanding fields where uniformity of physical properties of the tape is required, the record winding method is adopted due to physical property restrictions, and it is wound as long as possible without causing winding deviation, and carefully packed, transported and stored. The current situation is that it is barely used.
Patent document 1 is disclosed as a packaging method for preventing winding deviation of a tape employing such a record winding method.

  In this publication, a packaging method is disclosed in which a cover made of plastic and a case made of a main body are provided with a concave and convex portion for fixing the core of the tape, and the deformation of the tape is maintained by fixing the tape in the container. Yes. In the prior art in the patent document, a technique is disclosed in which a core material for fixing the tape is passed through the core of the tape during transport of the tape so that no external pressure is applied from the side. There is a description that it has the disadvantage of poor quality. Further, in the packaging method disclosed in Patent Document 1, when the tape is transported without being wrapped, the tape is crushed by the impact of a part of the tape due to impact during transportation, the rewinding force becomes heavy, and the merchantability is remarkably increased. On the other hand, in the invention of Patent Document 1, the tape is put into a tape inclusion portion having a concave shape when viewed from the outside at the center of one of the plastic body or lid, and the tape is wound from an external pressure. In order to protect, it is excellent at the point which can prevent a tape deformation | transformation and impairing commercial property. In addition, the plastic body or lid can be visually checked, protected from dust, etc., and is not directly exposed to sunlight. It is excellent in a certain point.

However, a packaging container made of plastic represented by Patent Document 1 needs to create and mold a mold dedicated to the tape depending on the size of the tape, and various mold production and molding costs and molding times are required. It is necessary to have complicated management such as mold changing labor, mold management labor, etc. and inventory of dedicated containers, and various problems such as management and efficiency remain. Moreover, although it has a role which protects a tape from external pressure, the effect etc. which are scarcely effective in suppressing the deformation | transformation by the residual stress of a tape remain.
JP 63-232175 A

  The subject of this invention is providing the packaging method and package which can prevent the winding shift | offset | difference of a record winding tape irrespective of the magnitude | size etc. of a tape.

As a result of intensive studies to achieve the above-mentioned problems, the present inventors have made the present invention.
That is, the present invention is as follows.
(1) A method for packaging record winding tape, wherein the record winding tape is put in a bag and the inside of the bag is sealed under reduced pressure.
(2) A record-wrapping tape packaging method, wherein the record-wrap tape is put in a bag, the inside of the bag is sealed under reduced pressure, and then the package is shrink-wrapped.
(3) The method of wrapping record-wound tape according to (1) or (2), wherein the ratio of thickness / tape width of the end face wound with the tape of record-wound tape is 1 or more.

(4) The record winding tape packaging method according to any one of (1) to (3), wherein the record winding tape is an adhesive tape.
(5) The method for packaging a record winding tape according to any one of (2) to (4), wherein the bag is made of a heat shrinkable film.
(6) The method for packaging a record winding tape according to any one of (1) to (5), wherein the bag contains a gas barrier material.
(7) The record-wrapping tape packaging method according to any one of (1) to (6), wherein the innermost layer of the bag is a thermoplastic resin.
(8) A package packaged by the packaging method according to any one of (1) to (7) above, which contains at least one of an oxygen scavenger, a humidity control agent, and a desiccant in a vacuum sealed bag A packaging body, characterized by:

The most different point of the present invention from the prior art is that the conventional technique is a packaging method using a container, whereas the present invention is a packaging method in which the inside of a bag is sealed under reduced pressure using a bag.
The effect of the present invention is that the bag is in close contact with the entire record winding tape due to a difference in atmospheric pressure from the outside of the bag and the pressure inside the bag, and the record winding tape is fixed (particularly, the side edge is fixed). Because of its high rigidity, the end face of the record tape is displaced from the paper tube due to vibrations during transportation, etc., reducing product value and preventing so-called bamboo shoots and telescopic deformation due to changes in physical properties over time. Can do. Moreover, since sealed packaging using a bag can block the movement of substances inside and outside the bag, it is possible to prevent foreign substances such as insects and dust after packaging from being mixed.

  Furthermore, since the bag is provided with gas barrier properties and water vapor permeation suppression properties, and the packaging method of the present invention is hermetic packaging, after the gas replacement packaging using nitrogen or the like, the bag is sealed under reduced pressure, thereby oxidizing the adhesive. It is also possible to prevent the deterioration of the record-wound tape base material, for example, deterioration due to water vapor / gas, etc. over time. At this time, the environment inside the bag can be controlled by inserting a small bag that controls the environment such as oxygen scavenger, humidity control agent, desiccant, etc. when sealing, preventing deterioration of the tape quality, and gas replacement packaging It is possible to provide a packaging method and a package thereof that can be stored for a longer period of time.

Hereinafter, the present invention will be specifically described with a focus on preferred embodiments.
The record winding tape referred to in the present invention is a method of winding a tape so that the end faces of the tape are aligned at the same place on a paper tube having the same width as the tape width, and is often used for a tape having a relatively short winding length. Is the method. The advantage of record winding is that it is wound around a paper tube of approximately the same width as the tape width, so that the tape is spirally wound like traverse winding, and the physical properties differ in the tape width direction. In comparison, the physical properties in the width direction of the tape are constant, and a uniform tape can be obtained. However, when winding the tape for a long time, the thickness of the end surface on which the tape is wound becomes thicker as long as it is wound.Therefore, it is vulnerable to vibration and external pressure. In addition, there is a drawback that winding deviation (so-called bamboo shoot, telesco) is likely to occur due to change with time of the tape.

The packaging method of the present invention is a simple packaging method that maintains the uniformity of the physical properties of the record-wound tape and suppresses deformation that becomes a problem when it is elongated.
Next, the packaging method of the present invention will be described in detail.
The packaging method of the present invention is a method in which a record winding tape is put in a bag, the inside of the bag is depressurized to an atmospheric pressure or lower, and the bag is sealed in a depressurized state.

  By doing so, the inside of the bag is depressurized to the atmospheric pressure or lower, and the bag is sealed in a depressurized state. Therefore, due to the atmospheric pressure, the entire record winding tape is subjected to the difference between the atmospheric pressure and the atmospheric pressure inside the bag from the outside of the bag. Since the bag is in close contact and the record winding tape is fixed (especially the side edges are fixed), the package itself has high rigidity, and the end surface of the record winding tape is displaced from the paper tube due to vibration during transportation. In other words, it is possible to reduce the commercial value and to prevent so-called bamboo shoots and telescopic deformation due to changes in physical properties over time. In addition, since the pressure for closely contacting the bag is constant regardless of the location due to this atmospheric pressure, it is not deformed only locally, so that certain physical properties can be maintained without locally degrading physical properties. is there. The reduced pressure referred to in the present invention means that the inside of the bag is lower than the atmospheric pressure, and the degree of reduced pressure may be appropriately adjusted depending on how strongly the record winding tape is fixed. In addition, the term “sealed” as used in the present invention indicates a state where there is no gap, and it is necessary that a reduced pressure state can be maintained.

  In general, the vacuum packaging method includes a chamber type and a nozzle type. The chamber type depressurization method is a method in which the entire interior of the chamber is once depressurized and sealed as it is. On the other hand, the nozzle-type decompression method is a method in which a nozzle is inserted into a bag, air in the bag is sucked from the nozzle, the interior of the bag is decompressed, the nozzle is removed, and the bag is sealed. From the standpoint of maintaining the quality of the record winding tape, it is more preferable because the storage stability can be further improved by replacing the gas once instead of simply reducing the pressure and sealing. The nozzle type is cheaper in equipment than the chamber type, and can reduce the capital investment cost. The depressurization method referred to in the present invention may be depressurized by any method other than the methods listed above, and may be appropriately selected as necessary. Any method can be used for such a vacuum sealing, but there are a method of sealing in a vacuum chamber and a method of using a degassing packaging machine. An air packaging machine is more preferred.

The gas used in the present invention may be any gas that is generally known. For example, nitrogen, carbon dioxide (carbon dioxide gas), oxygen, argon and the like can be mentioned, and these can be used alone or in combination thereof. In addition, ozone and natural and synthetic antibacterial substances (for example, hinokitiol, etc.) generally known for the purpose of sterilizing fungi, fungi and yeasts may be used.
As for the record winding tape used in the present invention, the effect of the long winding tape is greater than that of the short tape. The packaging method of the present invention can prevent these winding deviations, and is particularly effective when the ratio of the thickness of the end face of the record winding tape / the tape width (see FIG. 1) is one or more. It is more effective when it is 1.1 or more, and more effective when it is 1.2 or more. The outer diameter of the record winding is preferably 80 to 100 mm.

Here, the thickness of the end face of the record winding tape means the length from the start of winding of the core portion of the paper tube or the like to the end of winding.
Moreover, there is no problem even if the record winding tape of the present invention is bonded. The bonding method is generally known as long as it is a known method, and examples thereof include a coating method, a printing method, a coating method, and a spraying method. Furthermore, there is no problem if the substance used as the adhesive is a generally known method, and typical adhesives include a solvent type, an emulsion type, a hot melt type, and a reactive type. When the contents to be packaged are contents, it is preferable to use an adhesive that conforms to the Food Sanitation Law. Examples thereof include rubber adhesives, acrylic adhesives, vinyl ether adhesives, silicon adhesives, and resin compositions selected mainly from at least one of these. A rubber adhesive, an acrylic adhesive, and a vinyl ether adhesive are preferable, and a rubber adhesive and an acrylic adhesive are more preferable from the viewpoint of easily setting desired adhesive strength. Furthermore, an acrylic adhesive is more preferable from the viewpoint of less solvent extract and less impurities. Further, these adhesives contain known additives such as an antioxidant, a light stabilizer, an antistatic agent, an antifogging agent, a colorant and the like within a range not impairing the effects of the present invention. Also good.

  Examples of the rubber-based adhesive include natural rubber mainly composed of cis-1,4-polyisoprene, synthetic rubber mainly composed of styrene / butadiene rubber (SBR), polyisobutylene and butyl rubber, or styrene / Adhesive elastomer selected from butadiene / styrene copolymer rubber (SBS), block rubber mainly composed of styrene / isoprene / styrene copolymer rubber (SIS), etc., has a molecular weight of liquid or solid at room temperature. Adhesion imparting agents such as rosin resin, terpene resin, petroleum resin, chroman indene resin, etc., which are thermoplastic resins of hundreds to about 10,000 amorphous oligomers (medium molecular weight polymer of dimer or higher), and Examples include mineral oil, liquid polybutene, liquid polyisobutylene, and a softening agent such as liquid polyacrylate.

As the acrylic adhesive, for example, a main monomer that gives adhesiveness typically represented by a homopolymer having a low Tg, an acrylic ester of a lower alkyl group, an acrylic ester of a lower alkyl group, an alkyl methacrylate, vinyl acetate, styrene, Comonomer that can be copolymerized with main monomers such as acrylonitrile and gives cohesive properties that increase Tg, carboxyl group-containing monomers such as acrylic acid and methacrylic acid (such as acrylate), and adhesion such as hydroxyl, epoxy, and amino groups In some cases, the adhesive reaction product of the functional group-containing monomer serving as a crosslinking point may be blended with the above-described adhesion-imparting agent, softener and the like.
Examples of vinyl ether adhesives include homopolymers such as vinyl methyl ether, vinyl ethyl ether, vinyl isobutyl ether, and copolymers with acrylates (adhesive elastomers), and in some cases, the above-described adhesion-imparting agent and softener are blended. Things.

Examples of the silicon-based adhesive include, for example, a polymer having a residual silanol group (SiOH) at the end of a polymer chain represented by high molecular weight polydimethylsiloxane or polydimethyldiphenylsiloxane (or an adhesive elastomer) and the above-described adhesion imparting agent. Some of them contain softeners.
The bag used in the present invention will be described.
The sealed packaging using the bag of the present invention does not depend on the size of the record winding tape, and can easily block the movement of substances inside and outside the bag, thus preventing the entry of foreign substances such as insects and dust after packaging. Can do. The bag according to the present invention is open in at least one direction, and there is no problem as long as the record winding tape can be inserted from the opening and sealed under reduced pressure. Even if the shape of the bag is square (square, rectangular), round, polygonal, or amorphous, it will open at least in one direction. . In addition, the bag has no problem as long as it can be sealed under reduced pressure in a size that can hold a record-wound tape, compared to a method that uses containers each molded according to the size of the record-wound tape. It is excellent that it is not necessary to prepare containers of various sizes according to the record winding tape.

  Furthermore, since the sealed packaging using a bag can block the movement of substances inside and outside the bag, it is possible to prevent foreign substances such as insects and dust after packaging from being mixed. Furthermore, since the packaging method of the present invention is hermetic packaging by imparting gas barrier properties and water vapor permeation inhibiting properties to the bag, after the gas replacement packaging using nitrogen or the like, it is sealed under reduced pressure to oxidize the adhesive, etc. It is also possible to prevent changes over time such as product quality deterioration and quality deterioration due to prevention and alteration of the record-wound tape base material, for example, water vapor and gas having the possibility of deteriorating quality. At this time, the environment inside the bag can be controlled by inserting a small bag that controls the environment such as oxygen scavenger, humidity control agent, desiccant, etc. when sealing, preventing deterioration of the tape quality, and gas replacement packaging It can be stored for a longer period than that.

In the above-described sealed packaging using the bag of the present invention, it is preferable that the formation of the bag, the insertion of the tape, and the vacuum sealing are performed by an automatic packaging machine as a series of operations.
The material used for the bag of the present invention is preferably a resin from the viewpoint of handling and light weight of the bag. For example, polyethylene resin (HDPE, LLDPE, etc.), polypropylene resin (PP), polybutene-1 resin (PB) ), Polyolefin resin (PO) including poly-4-methylpentene-1 resin, ethylene-vinyl acetate copolymer resin (EVA), ethylene-methyl methacrylate copolymer resin (EMA, etc.), Polyolefin resin modified products (PO modified products), including ethylene-vinyl alcohol copolymer resins (EVOH, etc.), polyethylene terephthalate (modified) resins (PET, etc.), polybutylene terephthalate (modified) resins (Including PBT) and some other aromatic components, or polylactic acid resin, polyg Aliphatic polyester resins (PEST) including cholic acid resins, chlorinated resins including polyvinylidene chloride resins (PVDC), polyvinyl chloride resins (PVC), α-olefin-carbon monoxide Copolymer resin (containing hydrogenated resin), α-olefin (ethylene, etc.)-Styrene copolymer resin (containing hydrogenated resin), ethylene-cyclic hydrocarbon compound copolymer resin (containing hydrogenated resin), polyamide A resin composition selected mainly from at least one of a base resin (Ny), a caprolactone-based resin, etc., and these single layers or multilayers thereof, or those obtained by laminating a resin different from this layer, or these resins And a bag made of a stretched or unstretched resin sheet. From the viewpoint that heat sealing can be used as a method for sealing the bag, the inner layer of the bag is preferably a thermoplastic resin, more preferably a resin having a melting temperature of 170 ° C. or lower, more preferably 160 ° C. Hereinafter, it is 130 degrees C or less still more preferably.

  In addition, since the packaging method of the present invention is hermetic packaging, the bag is sealed under reduced pressure after gas replacement packaging using nitrogen or the like by imparting gas barrier properties and water vapor permeation inhibiting properties, thereby preventing oxidation of the adhesive and the like. Further, it is possible to prevent deterioration of the record-wound tape base material with time, such as deterioration due to water vapor / gas. In the case of such gas replacement packaging, it is preferable to impart gas barrier properties and water vapor permeation suppressing properties to the bag, and the bag is provided with a gas barrier resin, an inorganic or organic material layered or inorganic. A system or organic composite layer may be provided. An example of a resin layer having a layer of inorganic material includes a low-density polyethylene resin layer having poor gas barrier properties, and a silica and / or alumina inorganic material imparted with gas barrier properties by vapor deposition. .

The gas barrier property referred to in the present invention is a gas barrier gas permeability of 1 to 4935 ml / m ² / day / MPa, an oxygen gas permeability of 1 to 3948 ml / m ² / day / MPa, and a nitrogen gas permeability of 1 to 4. Those having 1481 ml / m ² / day / MPa are preferred, more preferably carbon dioxide gas permeation is 1 to 4500 ml / m ² / day / MPa, oxygen gas permeation is 1 to 2500 ml / m ² / day / MPa, The nitrogen gas permeation amount is 1 to 1300 ml / m ² / day / MPa, more preferably the carbon dioxide gas permeation amount is 1 to 4000 ml / m ² / day / MPa, and the oxygen gas permeation amount is 1 to 1300 ml / MPa. m ² / day / MPa and nitrogen gas permeation amount is 1 to 1000 ml / m ² / day / MPa. Even more preferably, the carbon dioxide gas permeation amount is 1-1000 ml / m ² / day / MPa, the oxygen gas permeation amount is 1-300 ml / m ² / day / MPa, and the nitrogen gas permeation amount is 1-250 ml / m ² / day. / MPa.

The thickness of the gas barrier layer used in the present invention varies depending on the oxygen gas permeation amount of the resin used, and it is preferable to ensure a thickness in which the oxygen gas permeation amount is 1 to 1974 ml / m ² / day / MPa. . For example, in the case of an ethylene-vinyl alcohol copolymer resin (EVOH) having a small oxygen gas permeation amount, it is possible to achieve the oxygen gas permeation amount with a few μm from the viewpoint of the oxygen gas permeation amount. It is a drawback that it is poor.

For example, in the case of a multilayer forming a plurality of layers, it is necessary to laminate with polyethylene resin (PE), polypropylene resin (PP), polyethylene terephthalate (PET), or the like. In the case of a laminated structure of PE and EVOH, the oxygen gas permeation amount is preferably 1.0 to 1974.0 ml / m ² / day / MPa, and the thickness of the gas barrier layer is preferably 1 to 10 μm. 15-100 micrometers is preferable from a viewpoint of the strength of the waist of a film, More preferably, it is 20-90 micrometers, More preferably, it is 25-85 micrometers. Furthermore, the water vapor moisture permeability of the bag of the present invention is preferably from the viewpoint of the water vapor permeation inhibiting or less 300g ^/ m 2 ^/ 24hr, more preferably 280g ^/ m 2 ^/ 24hr or less, still more preferably not more than 200g ^/ m 2 ^/ 24hr . Further, the bag is preferably transparent from the viewpoint of content confirmation, but printing from the viewpoint of management such as printing in consideration of design and product sealing date and time may be performed.

  Moreover, the bag of the part which protruded from the tape outer diameter of the package can be made small by giving heat-shrinkability to the bag referred to in the present invention. For example, by using a heat-shrinkable film for the bag used in the packaging method of the present invention, placing a record winding tape in a bag made of a heat-shrinkable film, sealing under reduced pressure, and placing the package in a heat-shrinkable tunnel, Heat can be applied to the part of the bag that protrudes from the outer diameter of the tape to cause shrinkage, and the volume of the package at the corners of the bag can be reduced from the record-wrapped tape, compared with the case of non-shrink wrapping. The transportation cost can be reduced when transporting to the factory. In addition, when the bag is given a gas barrier property, the bag itself is a hard material, so it is possible to prevent the hand from being caught at the corner of the bag that protrudes from the package, or in some cases to be cut. is there. As a method for imparting heat shrinkability to the bag, there is no problem as long as it is a generally known method, and examples thereof include a method of imparting by stretching by a double bubble method, a tenter method or the like.

  The package of the present invention is in transit because the bag is in close contact with the entire record winding tape from the outside of the bag due to the difference in atmospheric pressure and the pressure inside the bag, and the record winding tape is fixed (particularly the side end is fixed). The end face of the record winding tape is displaced from the paper tube due to the vibration of the sheet, and the commercial value can be lowered, or the so-called bamboo shoot or telescopic deformation can be prevented due to changes in physical properties over time. Moreover, since the sealed packaging using a bag can block the movement of substances inside and outside the bag, it is possible to prevent foreign substances such as insects and dust after packaging from being mixed. Furthermore, since the bag is provided with gas barrier properties and water vapor permeation suppressing properties, and the packaging method of the present invention is hermetic packaging, the adhesive is oxidized by sealing under reduced pressure after gas replacement packaging using nitrogen or the like. It is also possible to prevent the deterioration of the record-wound tape base material, for example, deterioration due to water vapor / gas, etc. over time. At this time, the environment inside the bag can be controlled by inserting a small bag that controls the environment such as oxygen scavenger, humidity control agent, desiccant, etc. when sealing, preventing deterioration of the tape quality, and gas replacement packaging It is a package that can be stored for a longer period of time.

Hereinafter, examples of the present invention, such as measurement methods, will be described in detail.
<Measurement method>
1. Moisture permeability was performed according to JIS-Z-0208. (40 ° C-90% RH)
2. Oxygen permeability It was performed according to ASTM-D-3985. (20 ° C-60% RH)
<Packaging>

[Example 1]
Record-wound tape (unstretched NY tape 30 μm thick, 25 g / m ² acrylic adhesive coated 10 mm wide adhesive tape, diameter 13 cm, paper tube 3 inches, wall thickness 5 mm, tape end face / tape width = 2. 5) is put into a bag 3 (size 15 cm square, thickness 50 μm) made of a gas barrier film (innermost layer) PE / NY / EVOH / PP (outermost layer) (A in FIG. 2), and “deaeration seal” manufactured by Fuji Impulse. Machine-controlled desktop nozzle type degassing sealer V-402 (trade name) "and sealed under reduced pressure under the conditions of a sealing temperature of 140 ° C and a sealing time of 0.5 seconds (B in Fig. 2). (C in FIG. 2) was obtained.

[Example 2]
A sealed package (the shape is the same as C in FIG. 2) was obtained in the same manner as in Example 1 except that the desiccant was placed in the bag.

[Comparative Example 1]
A sealed package was obtained in the same manner as in Example 1 except that the pressure was not reduced.

<Result>
The packaging bodies of Examples 1 and 2 and Comparative Example 1 were stored at a temperature of 30 ° C. and a humidity of 70% for 3 weeks, and the shapes of the record winding tapes were compared. In Comparative Example 1, the paper tube auctioned 7 mm from the record winding tape due to the residual stress when the tape was wound, and the quality of the record winding tape was lowered. On the other hand, Examples 1 and 2 using the packaging method of the present invention (C in FIG. 2) kept the shape before packaging without the paper tube competing from the record winding tape. Further, in Example 1, a slight space portion was generated on the end surface of the record winding tape, but Example 2 suppressed moisture absorption of the unstretched NY film due to the effect of the desiccant. It was possible to preserve without creating space.

  The present invention can be suitably used for transportation and storage of record winding tape.

The perspective view which shows an example of the shape of the record winding tape of this invention. BRIEF DESCRIPTION OF THE DRAWINGS It is a conceptual diagram which shows the example of the packaging method of the record winding tape of this invention, A is a perspective view which shows the state before accommodating a tape in a bag, B is the state which accommodates a tape in a bag, and pressure-reduces and heat-seals it. The perspective view shown and C are perspective views which show the state of the obtained package.

Explanation of symbols

1 Record-wound tape core material 2 Tape 3 Bag made of oxygen gas barrier film

Claims (8)

  A record-wrapping tape packaging method, wherein a record-wrap tape is placed in a bag and the inside of the bag is sealed under reduced pressure.   A record-wrapping tape packaging method, comprising: putting a record-wrap tape in a bag, sealing the inside of the bag under reduced pressure, and then shrink-wrapping the package.   The method of wrapping a record winding tape according to claim 1 or 2, wherein the ratio of the thickness / tape width of the end face wound with the tape of the record winding tape is 1 or more.   The record winding tape packaging method according to any one of claims 1 to 3, wherein the record winding tape is an adhesive tape.   The packaging method for a record winding tape according to any one of claims 2 to 4, wherein the bag is made of a heat-shrinkable film.   The packaging method for a record winding tape according to any one of claims 1 to 5, wherein the bag contains a gas barrier material.   The innermost layer of a bag is a thermoplastic resin, The packaging method of the record winding tape in any one of Claims 1-6 characterized by the above-mentioned.   A package packaged by the packaging method according to claim 1, wherein the package includes at least one of an oxygen scavenger, a humidity control agent, and a desiccant in a vacuum sealed bag. , Packaging.

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