JP2017081590A - Packing buffer material - Google Patents

Packing buffer material Download PDF

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JP2017081590A
JP2017081590A JP2015211149A JP2015211149A JP2017081590A JP 2017081590 A JP2017081590 A JP 2017081590A JP 2015211149 A JP2015211149 A JP 2015211149A JP 2015211149 A JP2015211149 A JP 2015211149A JP 2017081590 A JP2017081590 A JP 2017081590A
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Prior art keywords
packing
cushioning material
hardened layer
contact surface
mechanical strength
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Japanese (ja)
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裕介 樽木
Yusuke Taruki
裕介 樽木
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Daikin Industries Ltd
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Daikin Industries Ltd
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Priority to JP2015211149A priority Critical patent/JP2017081590A/en
Priority to PCT/JP2016/080342 priority patent/WO2017073342A1/en
Publication of JP2017081590A publication Critical patent/JP2017081590A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D59/00—Plugs, sleeves, caps, or like rigid or semi-rigid elements for protecting parts of articles or for bundling articles, e.g. protectors for screw-threads, end caps for tubes or for bundling rod-shaped articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Buffer Packaging (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a packing buffer material constituted of a foam heat insulation material that can improve surface strength of part required for mechanical strength.SOLUTION: The packing buffer material 10 covering at least part of an object to be packed includes the foam heat insulation material provided with a hardened layer 30 made of the same material at surfaces of parts 13, 15 required for mechanical strength.SELECTED DRAWING: Figure 4

Description

本発明は、梱包用緩衝材に関する。   The present invention relates to a cushioning material for packing.

従来、梱包用緩衝材として、例えば、特許文献１に記載されたものがある。この梱包用緩衝材は、発泡スチロール（発泡断熱材）で形成されている。   Conventionally, as a cushioning material for packing, there is one described in Patent Document 1, for example. This packing cushioning material is formed of foamed polystyrene (foam insulation).

特開２００２−２５５２７６号公報JP 2002-255276 A

上記梱包用緩衝材は、空気調和機の室外機が載置されるため、梱包用緩衝材の室外機と接触する部分に、室外機を支持するための機械的強度が要求される。しかし、特許文献１を含めた先行技術には、梱包用緩衝材を構成する発泡断熱材の特定の部分の強度を向上させる有効な提案はなされていない。   Since the outdoor unit of the air conditioner is placed on the packing cushioning material, a mechanical strength for supporting the outdoor unit is required in a portion of the packing cushioning material that contacts the outdoor unit. However, the prior art including Patent Document 1 does not make an effective proposal for improving the strength of a specific portion of the foamed heat insulating material constituting the packing cushioning material.

そこで、本発明の課題は、機械的強度が要求される部分の表面強度を高めることができる発泡断熱材からなる梱包用緩衝材を提供することにある。   Then, the subject of this invention is providing the cushioning material for packing which consists of a foam heat insulating material which can raise the surface strength of the part for which mechanical strength is requested | required.

上記課題を解決するため、本発明の梱包用緩衝材は、
被梱包物の少なくとも一部を覆う梱包用緩衝材であって、
機械的強度が要求される部分の表面に同一材料からなる硬化層が設けられた発泡断熱材を用いたことを特徴としている。 In order to solve the above problems, the cushioning material for packing of the present invention is
A cushioning material for packing that covers at least a part of an object to be packed,
It is characterized by using a foam heat insulating material in which a hardened layer made of the same material is provided on the surface of a portion requiring mechanical strength.

上記構成によれば、硬化層により、機械的強度が要求される部分の機械的強度を高めることができる。   According to the said structure, the mechanical strength of the part for which mechanical strength is requested | required can be raised with a hardened layer.

一実施形態の梱包用緩衝材では、
上記発泡断熱材が、上記被梱包物に接触する接触面を有し、
上記機械的強度が要求される部分が、上記接触面の少なくとも一部である。 In the packing cushioning material of one embodiment,
The foam insulation has a contact surface that comes into contact with the article to be packed,
The part where the mechanical strength is required is at least a part of the contact surface.

上記実施形態によれば、例えば、接触面の機械的強度が要求される部分以外の部分の発泡断熱材の発泡率を高くして強度を低く抑えても、設計上必要な強度を得やすくなる。このため、梱包用緩衝材の設計の自由度を高めることができる。   According to the above-described embodiment, for example, even if the foaming rate of the foamed heat insulating material other than the part where the mechanical strength of the contact surface is required is increased to suppress the strength, it is easy to obtain the strength required for design. . For this reason, the freedom degree of design of the shock absorbing material for packing can be raised.

一実施形態の梱包用緩衝材では、
上記接触面に上記被梱包物を支持する支持部が設けられており、
上記支持部の表面に、上記硬化層が設けられている。 In the packing cushioning material of one embodiment,
A support part for supporting the packed object is provided on the contact surface,
The hardened layer is provided on the surface of the support portion.

上記実施形態によれば、例えば、接触面の支持部以外の部分の発泡断熱材の発泡率を高くして強度を低く抑えても、設計上必要な強度を得やすくなる。このため、梱包用緩衝材の設計の自由度を高めることができる。   According to the above embodiment, for example, even if the foaming rate of the foamed heat insulating material other than the support part of the contact surface is increased to keep the strength low, the strength required for design can be easily obtained. For this reason, the freedom degree of design of the shock absorbing material for packing can be raised.

一実施形態の梱包用緩衝材では、
上記発泡断熱材が、上記被梱包物に接触しない非接触面を有し、
上記機械的強度が要求される部分が、上記非接触面の少なくとも一部である。 In the packing cushioning material of one embodiment,
The foam insulation has a non-contact surface that does not contact the packaged item,
The part where the mechanical strength is required is at least a part of the non-contact surface.

上記実施形態によれば、例えば、非接触面の機械的強度が要求される部分以外の部分の発泡断熱材の発泡率を高くして強度を低く抑えても、設計上必要な強度を得やすくなる。このため、梱包用緩衝材の設計の自由度を高めることができる。   According to the above embodiment, for example, even if the foaming rate of the foam heat insulating material other than the part where the mechanical strength of the non-contact surface is required is increased and the strength is kept low, the strength necessary for design can be easily obtained. Become. For this reason, the freedom degree of design of the shock absorbing material for packing can be raised.

一実施形態の梱包用緩衝材では、
上記非接触面に、上記非接触面に沿って巻き付けられる梱包用バンドを位置決めするためのバンド位置決め部が設けられており、
上記バンド位置決め部の表面に、上記硬化層が設けられている。 In the packing cushioning material of one embodiment,
A band positioning part for positioning a packing band wound along the non-contact surface is provided on the non-contact surface,
The hardened layer is provided on the surface of the band positioning portion.

上記実施形態によれば、例えば、非接触面のバンド位置決め部以外の発泡断熱材の発泡率を高くして強度を低く抑えても、設計上必要な強度を得やすくなる。このため、梱包用緩衝材の設計の自由度を高めることができる。   According to the above embodiment, for example, even if the foaming rate of the foamed heat insulating material other than the band positioning part on the non-contact surface is increased and the strength is kept low, the strength required for design can be easily obtained. For this reason, the freedom degree of design of the shock absorbing material for packing can be raised.

一実施形態の梱包用緩衝材では、
上記非接触面に把手部が設けられており、
上記把手部の表面に、上記硬化層が設けられている。 In the packing cushioning material of one embodiment,
A handle is provided on the non-contact surface,
The hardened layer is provided on the surface of the handle portion.

上記実施形態によれば、例えば、非接触面の把手部以外の発泡断熱材の発泡率を高くして強度を低く抑えても、設計上必要な強度を得やすくなる。このため、梱包用緩衝材の設計の自由度を高めることができる。   According to the embodiment, for example, even if the foaming rate of the foamed heat insulating material other than the grip portion of the non-contact surface is increased and the strength is suppressed to a low level, the strength required for design can be easily obtained. For this reason, the freedom degree of design of the shock absorbing material for packing can be raised.

一実施形態の梱包用緩衝材では、
上記硬化層は、厚みが１μｍ〜２．０ｍｍである。 In the packing cushioning material of one embodiment,
The hardened layer has a thickness of 1 μm to 2.0 mm.

上記実施形態によれば、梱包用緩衝材の設計等に応じて、硬化層の厚みを設定することができるので、梱包用緩衝材の設計の自由度を高めることができる。なお、厚みが１μｍ未満の硬化層は、形成が困難である。また、厚みが２．０ｍｍを超える硬化層は、射出成形により製造された樹脂成型品等で代用可能である。   According to the above embodiment, the thickness of the hardened layer can be set according to the design of the packing cushioning material, etc., so the degree of freedom in designing the packing cushioning material can be increased. A hardened layer having a thickness of less than 1 μm is difficult to form. Moreover, the hardened layer whose thickness exceeds 2.0 mm can be substituted with a resin molded product or the like manufactured by injection molding.

一実施形態の梱包用緩衝材では、
上記発泡断熱材は、ポリプロピレン、ポリエチレン、ポリスチレンのうちのいずれか１つの材料からなるか、または、ポリプロピレン、ポリエチレン、ポリスチレンのうちの少なくとも２つの混合材料からなっている。 In the packing cushioning material of one embodiment,
The foam heat insulating material is made of any one material of polypropylene, polyethylene, and polystyrene, or is made of a mixed material of at least two of polypropylene, polyethylene, and polystyrene.

上記実施形態によれば、設計等に応じて梱包用緩衝材を形成する材料を設定できる。このため、梱包用緩衝材の設計の自由度を高めることができる。   According to the said embodiment, the material which forms the buffer material for packing can be set according to a design etc. For this reason, the freedom degree of design of the shock absorbing material for packing can be raised.

本発明の梱包用緩衝材は、機械的強度が要求される部分の表面に硬化層が設けられた発泡断熱材を用いて構成されている。これにより、機械的強度が要求される部分の表面強度を高めることができる発泡断熱材からなる梱包用緩衝材を得ることができる。   The packing cushioning material of the present invention is configured using a foamed heat insulating material in which a hardened layer is provided on the surface of a portion where mechanical strength is required. Thereby, the cushioning material for packing which consists of a foam heat insulating material which can raise the surface strength of the part for which mechanical strength is requested | required can be obtained.

本発明の第１実施形態の梱包材を用いて被梱包物を梱包した状態を示す斜視図である。It is a perspective view which shows the state which packed the to-be-packaged object using the packing material of 1st Embodiment of this invention. 図１の梱包材の梱包用バンドを省略した状態のII矢視図である。It is the II arrow directional view of the state which abbreviate | omitted the packing band of the packing material of FIG. 図１の梱包材の梱包用緩衝材のIII矢視図である。It is a III arrow directional view of the packing cushioning material of the packing material of FIG. 図３の梱包用緩衝材のIV-IV線に沿った断面図である。It is sectional drawing along the IV-IV line of the cushioning material for packing of FIG. 図３の梱包用緩衝材のＶ-Ｖ線に沿った断面図である。It is sectional drawing along the VV line | wire of the packing shock absorbing material of FIG. 本発明の第２実施形態の梱包用緩衝材を示す斜視図である。It is a perspective view which shows the shock absorbing material for packing of 2nd Embodiment of this invention. 図６の梱包用緩衝材を空調室外機の底部に取り付けた状態を示す断面模式図である。It is a cross-sectional schematic diagram which shows the state which attached the buffer material for packing of FIG. 6 to the bottom part of the air-conditioning outdoor unit.

以下、添付図面を参照して本発明の実施形態を説明する。なお、以下の説明では、図面に表された構成を説明するうえで、「上」、「下」、「左」、「右」等の方向を示す用語、及びそれらを含む別の用語を使用するが、それらの用語を使用する目的は図面を通じて実施形態の理解を容易にするためである。したがって、それらの用語は本発明の実施形態が実際に使用されるときの方向を示すものとは限らないし、それらの用語によって特許請求の範囲に記載された発明の技術的範囲が限定的に解釈されるべきでない。   Embodiments of the present invention will be described below with reference to the accompanying drawings. In the following explanation, in describing the configuration shown in the drawings, terms indicating directions such as “up”, “down”, “left”, “right”, and other terms including them are used. However, the purpose of using these terms is to facilitate understanding of the embodiments through the drawings. Therefore, these terms do not necessarily indicate the direction in which the embodiments of the present invention are actually used, and the technical scope of the invention described in the claims is limitedly interpreted by these terms. Should not be done.

（第１実施形態）
図１，図２に示すように、被梱包物の一例の空調室内機５０（図２に示す）を梱包する梱包材１は、第１実施形態の梱包用緩衝材１０と、板状梱包材２０とで構成されている。 (First embodiment)
As shown in FIGS. 1 and 2, a packing material 1 for packing an air conditioning indoor unit 50 (shown in FIG. 2) as an example of an object to be packed is a packing material 10 for packing according to the first embodiment and a plate-shaped packing material. 20.

梱包用緩衝材１０は、空調室内機５０の長手方向の両端部にそれぞれ取り付けられている。この梱包用緩衝材１０は、ポリプロピレン、ポリエチレン、ポリスチレンのうちのいずれか１つの材料、または、ポリプロピレン、ポリエチレン、ポリスチレンのうちの少なくとも２つの混合材料からなり、機械的強度が要求される部分に後述する硬化層３０（図１，図２には示していない）が設けられた発泡断熱材を用いて構成されている。   The cushioning material 10 for packing is attached to both ends of the air conditioning indoor unit 50 in the longitudinal direction. This packing cushioning material 10 is made of any one material of polypropylene, polyethylene, and polystyrene, or a mixed material of at least two materials of polypropylene, polyethylene, and polystyrene. The foamed heat insulating material provided with the hardened layer 30 (not shown in FIGS. 1 and 2) is formed.

板状梱包材２０は、ダンボールからなり、梱包用緩衝材１０の間に設けられ、空調室内機５０の周囲を囲むように配置されている。   The plate-shaped packing material 20 is made of cardboard, is provided between the packing cushioning materials 10, and is disposed so as to surround the air-conditioning indoor unit 50.

また、梱包材１には、空調室内機５０の長手方向に沿って合成樹脂製の梱包用バンド４０が巻き付けられている。なお、図２では梱包用バンド４０を省略している。   A packing band 40 made of synthetic resin is wound around the packing material 1 along the longitudinal direction of the air conditioning indoor unit 50. In FIG. 2, the packing band 40 is omitted.

次に、図３〜図５を参照して、梱包用緩衝材１０をより詳しく説明する。   Next, the cushioning material 10 for packing will be described in more detail with reference to FIGS.

なお、以下、図３の左右方向をＸ方向、Ｘ方向に直交する図３の上下方向をＹ方向とし、Ｘ方向およびＹ方向に直交する方向をＺ方向とする。また、本体部１１の周壁部１２が設けられている面を第１の面１１１、この第１の面１１１に対向する面を第２の面１１２とする。   In the following, the horizontal direction in FIG. 3 is the X direction, the vertical direction in FIG. 3 orthogonal to the X direction is the Y direction, and the direction orthogonal to the X direction and the Y direction is the Z direction. Further, a surface on which the peripheral wall portion 12 of the main body 11 is provided is a first surface 111 and a surface facing the first surface 111 is a second surface 112.

梱包用緩衝材１０は、図３〜図５に示すように、略板形状の本体部１１と、本体部１１の第１の面１１１からＺ方向に伸びる周壁部１２とで構成されている。   The cushioning material 10 for packing is comprised by the substantially plate-shaped main-body part 11 and the surrounding wall part 12 extended in the Z direction from the 1st surface 111 of the main-body part 11, as shown in FIGS.

本体部１１の第１の面１１１側には、本体部１１と周壁部１２とで構成された凹部１３（図４，図５に示す）が設けられている。また、本体部１１の第２の面１１２には、梱包用バンド４０を位置決めするためのバンド位置決め部１４と、梱包材１により梱包された空調室内機５０を持ち運ぶための把手部１５と、梱包用バンド４０を掴み易くするための溝部１６とが設けられている。第２の面１１２の周縁部には、傾斜面１１３が設けられている。   On the first surface 111 side of the main body 11, a recess 13 (shown in FIGS. 4 and 5) composed of the main body 11 and the peripheral wall 12 is provided. Further, on the second surface 112 of the main body 11, a band positioning part 14 for positioning the packing band 40, a handle part 15 for carrying the air conditioning indoor unit 50 packed with the packing material 1, and a packing A groove 16 is provided for facilitating grasping of the band 40 for use. An inclined surface 113 is provided on the peripheral edge of the second surface 112.

凹部１３は、図４，図５に示すように、空調室内機５０の長手方向の端部が嵌合可能な形状を有し、その表面全体に後述する硬化層３０が設けられている。   As shown in FIG. 4 and FIG. 5, the recess 13 has a shape in which an end in the longitudinal direction of the air conditioning indoor unit 50 can be fitted, and a hardened layer 30 described later is provided on the entire surface.

なお、凹部１３の表面には、空調室内機５０に梱包用緩衝材１０を取り付けたときに空調室内機５０と接触する接触面が含まれる。この接触面は、空調室内機５０を支持するために機械的強度が要求される部分である。   Note that the surface of the recess 13 includes a contact surface that comes into contact with the air conditioning indoor unit 50 when the packing cushioning material 10 is attached to the air conditioning indoor unit 50. This contact surface is a portion where mechanical strength is required to support the air conditioning indoor unit 50.

バンド位置決め部１４は、図３に示すように、本体部１１の第２の面１１２のＹ方向に対向する一対の辺の各々に２つずつ設けられ、Ｘ方向に間隔を空けて配置されている。このバンド位置決め部１４には、その表面全体に後述する硬化層３０が設けられている。   As shown in FIG. 3, two band positioning portions 14 are provided on each of a pair of sides facing the Y direction of the second surface 112 of the main body portion 11, and are arranged with an interval in the X direction. Yes. The band positioning portion 14 is provided with a hardened layer 30 described later on the entire surface thereof.

なお、バンド位置決め部１４は、梱包用バンド４０を支持するために機械的強度が要求される部分である。また、バンド位置決め部１４の表面は、空調室内機５０に梱包用緩衝材１０を取り付けたときに空調室内機５０と接触しない非接触面である。   The band positioning portion 14 is a portion that requires mechanical strength to support the packing band 40. Further, the surface of the band positioning unit 14 is a non-contact surface that does not come into contact with the air conditioning indoor unit 50 when the packing cushioning material 10 is attached to the air conditioning indoor unit 50.

把手部１５は、図３に示すように、本体部１１の第２の面１１２のＸ方向の略中央かつＹ方向の中央よりもやや上方に配置されている。この把手部１５は、図４に示すように、凹形状を有し、その表面全体に後述する硬化層３０が設けられている。   As shown in FIG. 3, the handle portion 15 is disposed approximately at the center of the second surface 112 of the main body portion 11 in the X direction and slightly above the center of the Y direction. As shown in FIG. 4, the handle portion 15 has a concave shape, and a hardened layer 30 described later is provided on the entire surface.

なお、把手部１５は、作業者等が梱包された空調室内機５０を持ち運ぶ際に指を掛けることができるようになっており、機械的強度が要求される部分である。また、把手部１５の表面は、空調室内機５０に梱包用緩衝材１０を取り付けた状態で、空調室内機５０と接触しない非接触面である。   Note that the handle portion 15 can be put on a finger when carrying an air-conditioned indoor unit 50 packed by an operator or the like, and is a portion that requires mechanical strength. Further, the surface of the handle portion 15 is a non-contact surface that does not come into contact with the air conditioning indoor unit 50 in a state where the cushioning material 10 for packing is attached to the air conditioning indoor unit 50.

溝部１６は、Ｘ方向の右側の梱包用バンド４０が巻き付けられる領域の一部と重なるように配置されている。   The groove portion 16 is disposed so as to overlap a part of the region around which the packing band 40 on the right side in the X direction is wound.

硬化層３０は、例えば、０．１ｍｍの厚さで形成されている。この硬化層３０は、梱包用緩衝材１０を構成する発泡断熱材と同一材料からなり、この発泡断熱材よりも小さい発泡率を有している。すなわち、硬化層３０は、梱包用緩衝材１０を構成する発泡断熱材よりも高い硬度を有している。   The hardened layer 30 is formed with a thickness of 0.1 mm, for example. This hardened layer 30 consists of the same material as the foam heat insulating material which comprises the cushioning material 10 for packing, and has a foaming rate smaller than this foam heat insulating material. That is, the hardened layer 30 has a higher hardness than the foamed heat insulating material constituting the packing cushioning material 10.

なお、機械的強度が要求される部分が硬化層３０で覆われた発泡断熱材を用いた梱包用緩衝材１０は、例えば、次のように形成される。   In addition, the cushioning material 10 for packing using the foam heat insulating material with which the part where mechanical strength is requested | required was covered with the hardened layer 30 is formed as follows, for example.

すなわち、まず、使用する発泡断熱材の原料の溶融温度まで金型を加熱し、加熱された金型のキャビティに発泡断熱材の原料を充填する。次に、充填された発泡断熱材の原料の一部を溶融させた後、固化させて、硬化層３０を形成する。硬化層３０が形成された後、充填した発泡断熱材の原料の残部を加熱発泡させると共に溶着させて、梱包用緩衝材１０の硬化層３０以外の部分を形成する。   That is, first, the mold is heated to the melting temperature of the raw material for the foam heat insulating material to be used, and the foam heat insulating material is filled into the cavity of the heated mold. Next, a part of the raw material of the filled foam heat insulating material is melted and then solidified to form the hardened layer 30. After the hardened layer 30 is formed, the remainder of the raw material of the filled foam heat insulating material is heated and foamed and welded to form portions other than the hardened layer 30 of the packing cushioning material 10.

このように、上記梱包用緩衝材１０は、機械的強度が要求される部分である凹部１３、バンド位置決め部１４、および、把手部１５の表面に同一材料からなる硬化層３０が設けられた発泡断熱材を用いて構成されている。すなわち、梱包用緩衝材１０を構成する発泡断熱材よりも高い硬度を有する硬化層３０により、凹部１３、バンド位置決め部１４、および、把手部１５の表面の機械的強度を高めることができる。   As described above, the packing cushioning material 10 is a foam in which the hardened layer 30 made of the same material is provided on the surface of the concave portion 13, the band positioning portion 14, and the handle portion 15, which are parts requiring mechanical strength. It is comprised using a heat insulating material. That is, the mechanical strength of the surfaces of the concave portion 13, the band positioning portion 14, and the handle portion 15 can be increased by the hardened layer 30 having a hardness higher than that of the foamed heat insulating material constituting the packing cushioning material 10.

また、機械的強度が要求される部分、すなわち、凹部１３の表面、バンド位置決め部１４の表面、および、把手部１５の表面に硬化層３０を設けている。このため、例えば、機械的強度が要求される部分以外の部分の発泡断熱材の発泡率を高くして強度を低く抑えても、設計上必要な強度を得やすくなる。このため、梱包用緩衝材１０の設計の自由度を高めることができる。   Further, a hardened layer 30 is provided on a portion where mechanical strength is required, that is, on the surface of the concave portion 13, the surface of the band positioning portion 14, and the surface of the handle portion 15. For this reason, for example, even if the foaming rate of the foamed heat insulating material other than the part where mechanical strength is required is increased and the strength is kept low, it is easy to obtain the strength required for design. For this reason, the freedom degree of design of the shock absorbing material 10 for packing can be raised.

また、梱包用緩衝材１０は、ポリプロピレン、ポリエチレン、ポリスチレンのうちのいずれか１つの材料、または、ポリプロピレン、ポリエチレン、ポリスチレンのうちの少なくとも２つの混合材料から形成することができる。これにより、設計等に応じて梱包用緩衝材１０を形成する材料を設定することができるので、梱包用緩衝材１０の設計の自由度を高めることができる。   Further, the packing cushioning material 10 can be formed of any one material of polypropylene, polyethylene, and polystyrene, or a mixed material of at least two of polypropylene, polyethylene, and polystyrene. Thereby, since the material which forms the buffer material 10 for packing can be set according to a design etc., the freedom degree of design of the buffer material 10 for packing can be raised.

なお、硬化層３０は、１μｍ〜２．０ｍｍの範囲の厚さで形成されるのが好ましい。これは、１μｍ未満の厚さの硬化層は、その形成が技術的に困難であり、また、２．０ｍｍを超える硬化層は、射出成形により製造された樹脂成型品等で代用が可能であるため、硬化層３０を設けるインセンティブが少なくなるからである。これにより、梱包用緩衝材１０の種類等に応じて硬化層３０の厚みを設定することができるので、梱包用緩衝材１０の設計の自由度を高めることができる。   In addition, it is preferable that the hardened layer 30 is formed with the thickness of the range of 1 micrometer-2.0 mm. This is because it is technically difficult to form a cured layer having a thickness of less than 1 μm, and a cured layer exceeding 2.0 mm can be replaced with a resin molded product produced by injection molding. Therefore, the incentive to provide the hardened layer 30 is reduced. Thereby, since the thickness of the hardening layer 30 can be set according to the kind etc. of the buffer material 10 for packing, the freedom degree of design of the buffer material 10 for packing can be raised.

（第２実施形態）
本発明の第２実施形態の梱包用緩衝材６０は、図６，図７に示すように、被梱包物の一例の空調室外機７０（図７のみに示す）の梱包に用いられるものである。なお、第２実施形態の梱包用緩衝材６０は、形状および機械的強度が要求される部分の位置を除いて、第１実施形態の梱包用緩衝材１０と同様の構成を有している。 (Second Embodiment)
The cushioning material 60 for packing of 2nd Embodiment of this invention is used for the packaging of the air-conditioning outdoor unit 70 (only shown in FIG. 7) of an example of a to-be-packaged object, as shown in FIG. 6, FIG. . In addition, the cushioning material 60 for packing of 2nd Embodiment has the structure similar to the cushioning material 10 for packaging of 1st Embodiment except the position of the part from which a shape and mechanical strength are requested | required.

梱包用緩衝材６０は、図６に示すように、一対のブロック状緩衝材６１，６２で構成され、図７に示すように、空調室外機７０の底部に取り付けられる。   As shown in FIG. 6, the packing cushioning material 60 is composed of a pair of block-shaped cushioning materials 61 and 62, and is attached to the bottom of the air conditioner outdoor unit 70 as shown in FIG.

一対のブロック状緩衝材６１，６２の各々には、上面６１１，６２１に配置され長手方向に沿って伸びる収納溝部６３と、収納溝部６３が伸びる方向に直交する方向の一側面６１２，６２２に配置された突起部６４（図６では一方のみ示す）と、底面６１３，６２３に配置され収納溝部６３と平行に伸びる底溝部６５とが設けられている。また、一対のブロック状緩衝材６１，６２は、収納溝部６３が相互に平行になり、かつ、突起部６４が相互に反対方向に向かって伸びるように、間隔を空けて配置されている。   Each of the pair of block cushions 61, 62 is disposed on the upper surface 611, 621 and disposed on one side 612, 622 in a direction orthogonal to the direction in which the housing groove 63 extends, and the housing groove 63 extending along the longitudinal direction. The protrusion 64 (only one is shown in FIG. 6) and the bottom groove 65 disposed on the bottom surfaces 613 and 623 and extending in parallel with the storage groove 63 are provided. In addition, the pair of block-shaped cushioning members 61 and 62 are arranged at an interval so that the storage groove portions 63 are parallel to each other and the protruding portions 64 extend in opposite directions.

収納溝部６３は、図７に示すように、空調室外機７０の脚部７１が収納可能な形状を有し、その底面全体に硬化層３０が設けられている。突起部６４は、外装ダンボール８０の嵌合穴８１に嵌合可能な形状を有し、その表面の先端面６４１を除く全体に硬化層３０が設けられている。また、底溝部６５は、フォークリフト等の重機の爪が挿入可能な形状を有し、その表面全体に硬化層が設けられている。   As shown in FIG. 7, the storage groove 63 has a shape that can accommodate the leg portion 71 of the air conditioner outdoor unit 70, and the hardened layer 30 is provided on the entire bottom surface thereof. The protrusion 64 has a shape that can be fitted into the fitting hole 81 of the outer cardboard 80, and the hardened layer 30 is provided on the entire surface excluding the front end face 641. The bottom groove portion 65 has a shape into which a claw of a heavy machine such as a forklift can be inserted, and a hardened layer is provided on the entire surface.

なお、収納溝部６３の底面には、空調室外機７０の底部に取り付けたときに脚部７１と接触する接触面が含まれる。この接触面は、空調室外機７０の脚部７１を支持する支持部であると共に、機械的強度が要求される部分である。また、突起部６４および底溝部６５は、梱包時あるいは運搬時に、ダンボールあるいはフォークリフト等の重機の爪が接触する機械的強度が要求される部分である。また、突起部６４の表面および底溝部６５の表面は、空調室外機７０に梱包用緩衝材６０を取り付けたときに空調室外機７０と接触しない非接触面である。   The bottom surface of the storage groove 63 includes a contact surface that comes into contact with the leg portion 71 when attached to the bottom of the air conditioning outdoor unit 70. The contact surface is a support portion that supports the leg portion 71 of the air-conditioning outdoor unit 70 and is a portion that requires mechanical strength. Further, the projecting portion 64 and the bottom groove portion 65 are portions that are required to have mechanical strength that comes into contact with claws of heavy machinery such as cardboard or forklifts during packaging or transportation. Further, the surface of the protrusion 64 and the surface of the bottom groove 65 are non-contact surfaces that do not come into contact with the air conditioner outdoor unit 70 when the packing cushioning material 60 is attached to the air conditioner outdoor unit 70.

このように、上記梱包用緩衝材６０では、機械的強度が要求される部分、すなわち、収納溝部６３の底面に硬化層３０が設けられている。このため、例えば、収納溝部６３の底面以外の部分の発泡断熱材の発泡率を高くして強度を低く抑えても、設計上必要な強度を得やすくなる。このため、梱包用緩衝材１０の設計の自由度を高めることができる。   As described above, in the cushioning material 60 for packing, the hardened layer 30 is provided on the portion where mechanical strength is required, that is, on the bottom surface of the storage groove 63. For this reason, for example, even if the foaming rate of the foam heat insulating material in the portion other than the bottom surface of the storage groove 63 is increased and the strength is suppressed to be low, it is easy to obtain the strength required for design. For this reason, the freedom degree of design of the shock absorbing material 10 for packing can be raised.

（その他の実施形態）
本発明は、空調室内機５０および空調室外機７０に限らず、任意の被梱包物に適用できる。 (Other embodiments)
The present invention is not limited to the air-conditioning indoor unit 50 and the air-conditioning outdoor unit 70 but can be applied to any packaged items.

梱包用緩衝材１０，６０は、上記第１，第２実施形態に限らず、被収納物の形状等に応じて、任意に構成することができる。また、機械的強度が要求される部分は、被収納物の種類および梱包の態様等に応じて、適宜、設定することができる。例えば、梱包用緩衝材が開口部を有する容器の形状を有し、この開口部が蓋体で塞がれて梱包される場合、梱包用緩衝材の開口部の周辺部と蓋体との接触部分を機械的強度が要求される部分として設定してもよい。   The cushioning materials 10 and 60 for packing are not restricted to the said 1st, 2nd embodiment, It can comprise arbitrarily according to the shape etc. of a to-be-contained object. In addition, the portion where mechanical strength is required can be set as appropriate according to the type of the item to be stored, the packaging mode, and the like. For example, when the packing cushioning material has a shape of a container having an opening, and the opening is closed and packed with a lid, contact between the periphery of the opening of the packing cushioning material and the lid The part may be set as a part requiring mechanical strength.

硬化層３０は、少なくとも機械的強度が要求される部分に設けられていればよい。例えば、第１実施形態の梱包用緩衝材１０では、凹部１３の表面全体に硬化層３０を設けているが、これに限らず、空調室内機と接触する部分のみに硬化層を設けてもよい。また、第１実施形態の梱包用緩衝材１０では、梱包用バンドが巻き付けられる可能性がある領域のうち、バンド位置決め部１４の表面にのみ硬化層３０を設けているが、これに限らず、本体部の梱包用バンドが巻き付けられる可能性がある領域全体に硬化層を設けてもよい。   The hardened layer 30 should just be provided in the part in which mechanical strength is requested | required at least. For example, in the packing cushioning material 10 of the first embodiment, the hardened layer 30 is provided on the entire surface of the recess 13, but the present invention is not limited to this, and the hardened layer may be provided only on a portion that contacts the air conditioning indoor unit. . Moreover, in the cushioning material 10 for packing of 1st Embodiment, although the hardened layer 30 is provided only in the surface of the band positioning part 14 among the area | regions where a packing band may be wound, not only this, You may provide a hardened layer in the whole area | region where the band for packing of a main-body part may be wound.

第１実施形態の梱包用緩衝材１０では、バンド位置決め部１４および把手部１５を設けているが、これに限らない。例えば、梱包時に梱包用バンドを用いない場合、バンド位置決め部を省略することができる。また、作業者等によって被梱包物が持ち運ばれない場合、把手部１５を省略することができる。   In the cushioning material 10 for packing of the first embodiment, the band positioning portion 14 and the handle portion 15 are provided, but the present invention is not limited to this. For example, when a packing band is not used during packing, the band positioning portion can be omitted. Further, when the packed object is not carried by an operator or the like, the handle portion 15 can be omitted.

第１実施形態の梱包用緩衝材１０では、有底の把手部１５を設けているが、これに限らない。例えば、把手部は、本体部を貫通するように設けてもよい。   In the packing cushioning material 10 of the first embodiment, the bottomed handle portion 15 is provided, but the present invention is not limited thereto. For example, the handle portion may be provided so as to penetrate the main body portion.

第２実施形態の梱包用緩衝材６０では、重機等により空調室外機７０が持ち運ばれない場合、底溝部６５を省略することができる。また、梱包用緩衝材６０の側面６１２，６２２および底面６１３，６２３の表面に硬化層３０を設けることで、外装ダンボール８０を省略できる。これにより、空調室外機７０の梱コストを低減できる。なお、外装ダンボール８０を省略することで、突起部６４も省略できる。   In the cushioning material 60 for packing of the second embodiment, the bottom groove 65 can be omitted when the air-conditioning outdoor unit 70 is not carried by a heavy machine or the like. Moreover, the exterior cardboard 80 can be omitted by providing the hardened layer 30 on the surfaces of the side surfaces 612 and 622 and the bottom surfaces 613 and 623 of the packing cushioning material 60. Thereby, the packing cost of the air-conditioning outdoor unit 70 can be reduced. Note that the protrusion 64 can also be omitted by omitting the exterior cardboard 80.

上記実施形態で述べた構成要素は、適宜、組み合わせてもよく、また、適宜、選択、置換、あるいは、削除してもよい。   The components described in the above embodiments may be combined as appropriate, and may be selected, replaced, or deleted as appropriate.

１ 梱包材
１０ 梱包用緩衝材
１１ 本体部
１１１ 第１の面
１１２ 第２の面
１１３ 傾斜面
１２ 周壁部
１３ 凹部
１４ バンド位置決め部
１５ 把手部
１６ 溝部
２０ 板状梱包材
３０ 硬化層
４０ 梱包用バンド
５０ 空調室内機
６０ 梱包用緩衝材
６１，６２ ブロック状緩衝材
６１１，６２１ 上面
６１２，６２２ 側面
６１３，６２３ 底面
６３ 収納溝部
６４ 突起部
６４１ 先端面
６５ 底溝部
７０ 空調室外機
８０ 外装ダンボール
８１ 嵌合穴 DESCRIPTION OF SYMBOLS 1 Packing material 10 Packing buffer material 11 Main part 111 1st surface 112 2nd surface 113 Inclined surface 12 Peripheral wall part 13 Recessed part 14 Band positioning part 15 Handle part 16 Groove part 20 Plate-shaped packing material 30 Hardened layer 40 Packing band 50 Air conditioning indoor unit 60 Packing cushioning material 61, 62 Block-shaped cushioning material 611, 621 Top surface 612, 622 Side surface 613, 623 Bottom surface 63 Storage groove portion 64 Projection portion 641 Tip surface 65 Bottom groove portion 70 Air conditioning outdoor unit 80 Exterior cardboard 81 Fitting hole

Claims (8)

被梱包物（５０，７０）の少なくとも一部を覆う梱包用緩衝材であって、
機械的強度が要求される部分（１３，１４，１５，６３，６４，６５）の表面に同一材料からなる硬化層（３０）が設けられた発泡断熱材を用いたことを特徴とする梱包用緩衝材。 A cushioning material for packing that covers at least a part of an object to be packed (50, 70),
For packaging, characterized by using a foam heat insulating material provided with a hardened layer (30) made of the same material on the surface of a portion (13, 14, 15, 63, 64, 65) requiring mechanical strength Cushioning material. 請求項１に記載の梱包用緩衝材において、
上記発泡断熱材が、上記被梱包物（５０，７０）に接触する接触面を有し、
上記機械的強度が要求される部分（１３，６３）が、上記接触面の少なくとも一部であることを特徴とする梱包用緩衝材。 In the packing cushioning material according to claim 1,
The foam insulation has a contact surface that contacts the packaged object (50, 70),
The packing cushioning material, wherein the portion (13, 63) requiring the mechanical strength is at least a part of the contact surface. 請求項２に記載の梱包用緩衝材において、
上記接触面に上記被梱包物（５０，７０）を支持する支持部（６３）が設けられており、
上記支持部（６３）の表面に、上記硬化層（３０）が設けられていることを特徴とする梱包用緩衝材。 The cushioning material for packing according to claim 2,
A support portion (63) for supporting the packed object (50, 70) is provided on the contact surface,
A cushioning material for packing, wherein the hardened layer (30) is provided on a surface of the support portion (63). 請求項１から３のいずれか１つに記載の梱包用緩衝材において、
上記発泡断熱材が、上記被梱包物（５０，７０）に接触しない非接触面を有し、
上記機械的強度が要求される部分（１４，１５，６４，６５）が、上記非接触面の少なくとも一部であることを特徴とする梱包用緩衝材。 In the packing cushioning material according to any one of claims 1 to 3,
The foam insulation has a non-contact surface that does not contact the packaged object (50, 70),
The cushioning material for packing, wherein the portion (14, 15, 64, 65) requiring the mechanical strength is at least a part of the non-contact surface. 請求項４に記載の梱包用緩衝材において、
上記非接触面に、上記非接触面に沿って巻き付けられる梱包用バンド（３０）を位置決めするためのバンド位置決め部（１４）が設けられており、
上記バンド位置決め部（１４）の表面に、上記硬化層（３０）が設けられていることを特徴とする梱包用緩衝材。 The cushioning material for packing according to claim 4,
A band positioning portion (14) for positioning the packing band (30) wound along the non-contact surface is provided on the non-contact surface,
The packing cushioning material, wherein the hardened layer (30) is provided on a surface of the band positioning portion (14). 請求項４または５に記載の梱包用緩衝材において、
上記非接触面に把手部（１５）が設けられており、
上記把手部（１５）の表面に、上記硬化層（３０）が設けられていることを特徴とする梱包用緩衝材。 The cushioning material for packing according to claim 4 or 5,
A handle (15) is provided on the non-contact surface,
A cushioning material for packing, wherein the hardened layer (30) is provided on a surface of the handle portion (15). 請求項１から６のいずれか１つに記載の梱包用緩衝材において、
上記硬化層（３０）は、厚みが１μｍ〜２．０ｍｍであることを特徴とする梱包用緩衝材。 In the packing cushioning material according to any one of claims 1 to 6,
The cushioning material for packing, wherein the hardened layer (30) has a thickness of 1 μm to 2.0 mm. 請求項１から７のいずれか１つに記載の梱包用緩衝材において、
上記発泡断熱材が、ポリプロピレン、ポリエチレン、ポリスチレンのうちのいずれか１つの材料からなるか、または、ポリプロピレン、ポリエチレン、ポリスチレンのうちの少なくとも２つの混合材料からなることを特徴とする梱包用緩衝材。 In the packing cushioning material according to any one of claims 1 to 7,
The packing heat insulating material is made of any one material of polypropylene, polyethylene, and polystyrene, or made of at least two mixed materials of polypropylene, polyethylene, and polystyrene.
JP2015211149A 2015-10-27 2015-10-27 Packing buffer material Pending JP2017081590A (en)

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