JP6490619B2 - Pocket coil and method of manufacturing pocket coil - Google Patents

Pocket coil and method of manufacturing pocket coil Download PDF

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JP6490619B2
JP6490619B2 JP2016080275A JP2016080275A JP6490619B2 JP 6490619 B2 JP6490619 B2 JP 6490619B2 JP 2016080275 A JP2016080275 A JP 2016080275A JP 2016080275 A JP2016080275 A JP 2016080275A JP 6490619 B2 JP6490619 B2 JP 6490619B2
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coil
pocket
coils
row
cover
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JP2017189363A (en
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淳一 日野
淳一 日野
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株式会社ルービックＪｐ
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/04—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays
    • A47C27/06—Spring inlays
    • A47C27/063—Spring inlays wrapped or otherwise protected
    • A47C27/064—Pocketed springs

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Description

本発明は、中空状のカバーの内部を列状に並べた複数のコイル室で区画し、各コイル室にコイルを収容した列状のポケットコイル及びポケットコイルの製造方法に関するものである。   The present invention relates to a row-shaped pocket coil in which the inside of a hollow cover is partitioned by a plurality of coil chambers arranged in a row, and a coil is accommodated in each coil chamber, and a method for manufacturing the pocket coil.

従来より、マットレス等のクッション材として袋状のポケット（コイル室）にコイルを収容したポケットコイルを列状に並べたものが利用されている。   2. Description of the Related Art Conventionally, a cushioning material such as a mattress has been used in which pocket coils in which coils are housed in a bag-like pocket (coil chamber) are arranged in a line.

この列状のポケットコイルは、中空状のカバーの内部を列状に並べた複数のコイル室で区画し、各コイル室にコイルを収容しており、列状に並ぶコイルが上端から下端までの全長にわたってカバーで連結された構造となっている。   This row-shaped pocket coil is divided into a plurality of coil chambers arranged in a row inside the hollow cover, and the coils are accommodated in each coil chamber, and the coils arranged in a row are arranged from the upper end to the lower end. It has a structure that is connected by a cover over its entire length.

マットレスなどにおいては、収容袋の内部に複数の列状のポケットコイルをコイルが並ぶ方向と直交する方向に向けて並べて収容されている（たとえば、特許文献１参照。）。   In a mattress or the like, a plurality of rows of pocket coils are accommodated in a storage bag side by side in a direction orthogonal to the direction in which the coils are aligned (see, for example, Patent Document 1).

特開２０１０−２５９７０１号公報JP 2010-259701 A

ところが、上記従来のマットレスなどにおいては、収容袋の内部に複数の列状のポケットコイルを並べた状態で収容しなければならず、収容作業中に列状のポケットコイルの転倒などが発生してしまい、作業に多大な労力や時間を要していた。   However, in the conventional mattress and the like, a plurality of rows of pocket coils must be housed in the housing bag, and the row of pocket coils falls during the housing operation. As a result, the work required a lot of labor and time.

また、複数の列状のポケットコイル同士を予め接着しておくことも考えられるが、接着剤の使用により使用者に不快感を与えるばかりでなく、長期間の使用によって接着剤が劣化して列状のポケットコイルが分離してしまうおそれがあった。   In addition, it is conceivable to bond a plurality of pocket coils in a row in advance, but not only does the use of the adhesive cause discomfort to the user, but the adhesive deteriorates due to long-term use. There is a possibility that the pocket coil is separated.

そこで、請求項１に係る本発明では、中空状のカバーの内部を列状に並べた複数のコイル室で区画し、各コイル室に上下に変形するコイルを収容した列状のポケットコイルを、コイルが並ぶ方向とは直交する方向に並べて連結した面状のポケットコイルにおいて、隣り合う列状のポケットコイルのカバー同士をコイルの側方で下端から上下一直線状に連結されている連結部とカバーの上端部において連結されていない分離部とを形成し、連結部の長さがコイルを最も縮めたときのコイルの高さよりも短くすることにした。
Therefore, in the present invention according to claim 1, the inside of the hollow cover is partitioned by a plurality of coil chambers arranged in a row, and a row of pocket coils containing coils that deform vertically in each coil chamber, In a planar pocket coil connected side by side in a direction perpendicular to the direction in which the coils are arranged, a cover and a cover in which adjacent row pocket coil covers are connected in a straight line from the bottom to the side of the coil. A separation portion that is not connected at the upper end of the coil is formed, and the length of the connection portion is made shorter than the height of the coil when the coil is most contracted .

また、請求項２に係る本発明では、中空状のカバーの内部を列状に並べた複数のコイル室で区画し、各コイル室に上下に変形するコイルを収容した列状のポケットコイルを、コイルが並ぶ方向とは直交する方向に並べて連結した面状のポケットコイルの製造方法において、列状のポケットコイルを形成し、複数の列状のポケットコイルをコイルが並ぶ方向とは直交する方向に並べ、その後、隣り合う列状のポケットコイルのカバー同士をコイルの側方で下端から上下一直線状に連結されている連結部とカバーの上端部において連結されていない分離部とを形成し、連結部の長さがコイルを最も縮めたときのコイルの高さよりも短くして面状のポケットコイルを製造することにした。 Further, in the present invention according to claim 2, the inside of the hollow cover is partitioned by a plurality of coil chambers arranged in a row, and a row of pocket coils containing coils that deform vertically in each coil chamber, In a method for manufacturing a planar pocket coil connected in a direction perpendicular to the direction in which the coils are arranged, a row of pocket coils is formed, and a plurality of row of pocket coils are arranged in a direction perpendicular to the direction in which the coils are arranged. lined, after which the cover each other rows of pocket coil adjacent to form a separation portion which is not connected at the upper end of the connecting portion and the cover are connected from the lower end at the side of the coil in the vertical straight line, connecting The length of the part was made shorter than the height of the coil when the coil was most contracted to produce a planar pocket coil.

そして、本発明では、以下に記載する効果を奏する。   And in this invention, there exists an effect described below.

すなわち、本発明では、中空状のカバーの内部を列状に並べた複数のコイル室で区画し、各コイル室にコイルを収容した列状のポケットコイルを、コイルが並ぶ方向とは直交する方向に並べて連結した面状のポケットコイルにおいて、隣り合う列状のポケットコイルのカバー同士をコイルの側方で溶着することにしているために、マットレス等のクッション材として用いても、その製造作業に要する労力や時間を軽減することができるとともに、接着剤の不使用により使用者に不快感を与えることなく長期間にわたって良好に使用してもらうことができる。   That is, in the present invention, the interior of the hollow cover is partitioned by a plurality of coil chambers arranged in a row, and the row of pocket coils in which the coils are accommodated in the respective coil chambers are perpendicular to the direction in which the coils are arranged. In the planar pocket coil connected side by side, it is decided to weld the cover of adjacent row pocket coils on the side of the coil, so even if it is used as a cushioning material such as a mattress, its manufacturing work The labor and time required can be reduced, and it can be used well over a long period of time without causing discomfort to the user due to the non-use of the adhesive.

マットレスを示す一部切欠平面図（ａ）、同一部切欠側面図（ｂ）。The partial notch top view (a) which shows a mattress, The same part notch side view (b). 列状のポケットコイルを示す一部切欠平面図（ａ）、同一部切欠正面図（ｂ）。The partial notch top view which shows a row-shaped pocket coil (a), the same part notch front view (b). 列状のポケットコイルの変形状態を示す説明図。Explanatory drawing which shows the deformation | transformation state of a row-shaped pocket coil. 面状のポケットコイルを示す一部切欠平面図。The partial notch top view which shows a planar pocket coil. 同一部切欠側面図。The same part notch side view.

以下に、本発明に係るポケットコイルの具体的な構成について図面を参照しながら説明する。なお、以下の説明では、本発明に係るポケットコイルをマットレスに適用した場合について説明する。   The specific configuration of the pocket coil according to the present invention will be described below with reference to the drawings. In the following description, a case where the pocket coil according to the present invention is applied to a mattress will be described.

図１に示すように、マットレス１は、中空状の収容袋２の内部に左右方向へ向けて一列に伸延する列状のポケットコイル３を前後方向に並べて収容している。このマットレス１では、前後方向に並ぶ複数の列状のポケットコイル３を連結することで、前後方向及び左右方向へ水平に広がる面状のポケットコイル４を形成している。   As shown in FIG. 1, the mattress 1 accommodates a row of pocket coils 3 that extend in a single row in the left-right direction inside a hollow housing bag 2. In the mattress 1, a plurality of rows of pocket coils 3 arranged in the front-rear direction are connected to form a planar pocket coil 4 that spreads horizontally in the front-rear direction and the left-right direction.

列状のポケットコイル３は、左右方向に伸延する中空状のカバー５の内部に複数個のコイル６を左右に等しい間隔をあけて並べて収容している。   The row of pocket coils 3 accommodates a plurality of coils 6 arranged side by side at equal intervals in the left and right within a hollow cover 5 extending in the left-right direction.

カバー５は、不織布等の可撓性を有する２枚の前後側シート7,8からなり、前後側シート7,8を重ねた状態で上下左右の縁部を連結するとともに、左右方向に等しい間隔をあけて上端から下端までを上下一直線状に連結し、その上下一直線状に連結した部分に上端から所定の長さで切欠して形成している。なお、前後側シート7,8の連結は、縫合や接着や溶剤による溶着などでもよいが、ここでは、熱による可溶性を有する不織布同士を溶着することにしている。   The cover 5 is composed of two flexible front and rear sheets 7, 8 such as non-woven fabric, and connects the upper, lower, left and right edges with the front and rear sheets 7, 8 being overlapped, and is equally spaced in the left-right direction. The upper end and the lower end are connected in a straight line, and the upper and lower straight lines are cut into a predetermined length from the upper end. The front and rear sheets 7 and 8 may be connected by stitching, adhesion, welding with a solvent, or the like, but here, nonwoven fabrics that are soluble by heat are welded together.

このように、カバー５は、左右方向に等しい間隔をあけて上下一直線状に連結することで、カバー５の内部を列状に並べた複数のコイル室９で区画している。   In this way, the cover 5 is connected in a straight line with equal intervals in the left-right direction, thereby partitioning the inside of the cover 5 with a plurality of coil chambers 9 arranged in a line.

また、カバー５は、上下一直線状に連結した部分に上端から所定の長さで切欠することで、隣り合うコイル室9,9同士が連結されている連結部10と、隣り合うコイル室9,9の上端部同士が連結されずに分離されている分離部11とを形成している。なお、分離部11は、カバー５の上端部にだけ形成しているが、カバー５の下端部にも形成することができる。   Further, the cover 5 is cut out at a predetermined length from the upper end in a portion that is connected in a straight line in the vertical direction, so that the connecting portion 10 in which the adjacent coil chambers 9, 9 are connected to each other, and the adjacent coil chamber 9, A separation portion 11 is formed in which the upper end portions of 9 are separated without being connected to each other. The separating portion 11 is formed only at the upper end portion of the cover 5, but can also be formed at the lower end portion of the cover 5.

コイル６は、カバー５に形成された各コイル室９に変形方向（撓み方向）を上下にした状態で１個ずつ収容している。そのため、各コイル室９は、何ら力が作用していない状態のコイル６と略同一の空間としている。なお、各コイル室９の大きさを変えて異なるサイズのコイル６を収容してもよく、各コイル室９に複数個のコイル６を上下に並べて収容してもよく、各コイル室９を上下に複数に分割して複数個のコイル６を収容してもよい。   The coils 6 are housed one by one in the respective coil chambers 9 formed in the cover 5 with the deformation direction (deflection direction) being up and down. Therefore, each coil chamber 9 has a space substantially the same as that of the coil 6 in a state where no force is applied. In addition, the coil 6 of a different size may be accommodated by changing the size of each coil chamber 9, and a plurality of coils 6 may be accommodated side by side in each coil chamber 9. A plurality of coils 6 may be accommodated by being divided into a plurality of pieces.

この列状のポケットコイル３は、分離部11の長さによって作用する押圧力に対する変形範囲を変えることができる。   This row of pocket coils 3 can change the deformation range with respect to the pressing force acting depending on the length of the separating portion 11.

図３（ａ）に示すように、分離部11が無い場合、すなわち、従来の列状のポケットコイル12の場合には、中央部のコイル13に下向きの押圧力Ｆが作用すると、コイル13の上部のカバー14もコイル13の変形（収縮）に伴って下方に向けて変形する。このカバー14の下方への変形によって、周囲のコイル13にも下向きの力が作用し、周囲のコイル13も変形（収縮）する。これにより、カバー14に分離部11が設けられていない従来の列状のポケットコイル12では、中央部のコイル13だけでなくその周囲において広い範囲にわたって変形が生じてしまい、変形範囲A1が広くなる。   As shown in FIG. 3A, in the case where there is no separation portion 11, that is, in the case of the conventional row-shaped pocket coil 12, if a downward pressing force F acts on the central coil 13, the coil 13 The upper cover 14 is also deformed downward as the coil 13 is deformed (contracted). Due to the downward deformation of the cover 14, a downward force is also applied to the surrounding coil 13, and the surrounding coil 13 is also deformed (contracted). As a result, in the conventional row-shaped pocket coil 12 in which the separation part 11 is not provided on the cover 14, not only the central coil 13 but also the periphery thereof is deformed over a wide range, and the deformation range A1 is widened. .

これに対して、図３（ｂ）に示すように、分離部11を設けた列状のポケットコイル３の場合、ここでは、連結部10の長さがコイル６を最も縮めた長さ（図３（ｂ）中で中央部のコイル６の高さ）よりも長くした場合には、上記同様、中央部のコイル６に下向きの押圧力Ｆが作用すると、コイル６の上部のカバー５もコイル６の変形（収縮）に伴って下方に向けて変形する。しかし、カバー５に分離部11が設けられているために、カバー5の下方への変形が分離部11の長さまでは周囲のカバー５は変形せず、カバー５の下方への変形が分離部11の長さを超えた長さで周囲のカバー５が下方に変形することになる。そして、下方へ向けて変形したカバー５によって周囲のコイル６が変形（収縮）する。したがって、分離部11の長さだけ周囲のカバー５の下方への変形が緩和され、周囲のカバー５の下方への変形が短縮され、それに応じて周囲のコイル６の変形（収縮）も短縮される。これにより、連結部10の長さがコイル６を最も縮めた長さよりも長くなるように分離部11を形成した列状のポケットコイル３では、中央部のコイル６の周囲の狭い範囲で変形が生じることになり、変形範囲A2を狭くすることができる。   On the other hand, as shown in FIG. 3B, in the case of the row-shaped pocket coil 3 provided with the separating portion 11, the length of the connecting portion 10 is the length that the coil 6 is contracted the most (see FIG. 3B). 3 (b), when the downward pressing force F acts on the coil 6 at the center, the cover 5 above the coil 6 is also coiled. 6 is deformed downward along with the deformation (contraction). However, since the cover 5 is provided with the separation part 11, the cover 5 is not deformed downward when the separation part 11 is long, and the surrounding cover 5 is not deformed. The surrounding cover 5 is deformed downward by a length exceeding the length of 11. Then, the surrounding coil 6 is deformed (contracted) by the cover 5 deformed downward. Accordingly, the downward deformation of the surrounding cover 5 is alleviated by the length of the separation portion 11, the downward deformation of the surrounding cover 5 is shortened, and the deformation (contraction) of the surrounding coil 6 is also shortened accordingly. The As a result, the row-shaped pocket coil 3 in which the separating portion 11 is formed so that the length of the connecting portion 10 is longer than the length of the coil 6 that is most contracted is deformed in a narrow range around the coil 6 in the central portion. As a result, the deformation range A2 can be narrowed.

さらに、図３（ｃ）に示すように、連結部10の長さがコイル６を最も縮めた長さ（図３（ｃ）中で中央部のコイル６の高さ）よりも短くなるように分離部11を設けた列状のポケットコイル３の場合、上記同様、中央部のコイル６に下向きの押圧力Ｆが作用すると、コイル６の上部のカバー５もコイル６の変形（収縮）に伴って下方に向けて変形する。しかし、カバー５に長い分離部11が設けられているために、中央部のカバー5は下方に変形するが周囲のカバー５は変形しないことになる。そのため、周囲のコイル６は変形（収縮）しない。したがって、分離部11によって周囲のカバー５の下方への変形が完全に抑制され、周囲のカバー５の下方への変形を無くすことができ、それに応じて周囲のコイル６の変形（収縮）も無くすことができる。これにより、連結部10の長さがコイル６を最も縮めた長さよりも短くなるように分離部11を形成した列状のポケットコイル３では、中央部のコイル６だけで変形が生じることになり、変形範囲A3を最も狭くすることができる。   Further, as shown in FIG. 3C, the length of the connecting portion 10 is shorter than the length of the coil 6 that is most contracted (the height of the coil 6 at the center in FIG. 3C). In the case of the row-shaped pocket coil 3 provided with the separation portion 11, if a downward pressing force F acts on the central coil 6, the cover 5 on the upper side of the coil 6 is also deformed (contracted) as described above. And deforms downward. However, since the cover 5 is provided with the long separating portion 11, the central cover 5 is deformed downward, but the surrounding cover 5 is not deformed. Therefore, the surrounding coil 6 does not deform (shrink). Therefore, the downward deformation of the surrounding cover 5 is completely suppressed by the separating portion 11, the downward deformation of the surrounding cover 5 can be eliminated, and the deformation (contraction) of the surrounding coil 6 is also eliminated accordingly. be able to. As a result, in the row-shaped pocket coil 3 in which the separating portion 11 is formed so that the length of the connecting portion 10 is shorter than the length of the coil 6 that is most contracted, deformation occurs only in the central coil 6. The deformation range A3 can be made the narrowest.

このように、列状のポケットコイル３では、分離部11の長さを長く（連結部10の長さを短く）するほど変形範囲A2を狭くすることができ、連結部10の長さがコイル６を最も縮めた長さよりも短くなるように分離部11を形成することで、変形範囲A3を最も狭くすることができるので、所望する変形範囲A2,A3に応じて分離部11の長さを適宜調節することが可能となる。したがって、列状のポケットコイル３を用いたマットレス１では、列状のポケットコイル３の変形範囲A2,A3を適宜選択することで、使用者の好み等に応じたマットレス１とすることができる。   Thus, in the row-shaped pocket coil 3, the longer the length of the separation part 11 (the shorter the length of the connecting part 10), the narrower the deformation range A2, and the length of the connecting part 10 becomes the coil. By forming the separation part 11 so as to be shorter than the length that is most contracted, the deformation range A3 can be made the narrowest. Therefore, the length of the separation part 11 can be set according to the desired deformation range A2, A3. It is possible to adjust appropriately. Therefore, in the mattress 1 using the row-shaped pocket coil 3, the mattress 1 can be made according to the user's preference and the like by appropriately selecting the deformation ranges A2, A3 of the row-shaped pocket coil 3.

この列状のポケットコイル３は、単体で棒状のクッション材として使用することもできるが、ここでは、コイル６が並ぶ方向（列状のポケットコイル３の伸延方向（左右方向））とは直交する方向（前後方向）に並べて面状のクッション材としてマットレス１に使用している。なお、ここでは、列状のポケットコイル３のコイル６同士を接触させて平行に配列しているが、左右に交互にずらして配列してもよい。   The row-shaped pocket coils 3 can be used alone as a bar-shaped cushion material, but here, the direction in which the coils 6 are arranged (the extending direction of the row-shaped pocket coils 3 (left-right direction)) is orthogonal. The mattress 1 is used as a planar cushioning material arranged in the direction (front-rear direction). Here, the coils 6 of the row-shaped pocket coils 3 are in contact with each other and arranged in parallel, but they may be arranged alternately shifted left and right.

しかも、上記マットレス１では、図４及び図５に示すように、前後方向に並べた列状のポケットコイル３同士を連結して面状のポケットコイル４を形成している。   Moreover, in the mattress 1, as shown in FIGS. 4 and 5, the planar pocket coils 4 are formed by connecting the row-shaped pocket coils 3 arranged in the front-rear direction.

この面状のポケットコイル４は、まず、列状のポケットコイル３を複数形成しておき、複数の列状のポケットコイル３をコイル６が並ぶ方向とは直交する方向に密着させて並べ、その後、隣り合う列状のポケットコイル３のカバー５の側部同士をコイル６の側方で溶着することで容易に製造することができる。なお、列状のポケットコイル３のカバー５同士の連結は、縫合や接着や溶剤による溶着などでもよいが、ここでは、熱による可溶性を有する不織布同士を溶着することにしている。   In this planar pocket coil 4, first, a plurality of column-shaped pocket coils 3 are formed, and the plurality of column-shaped pocket coils 3 are arranged in close contact with each other in a direction perpendicular to the direction in which the coils 6 are arranged. It can be easily manufactured by welding the side portions of the cover 5 of the adjacent pocket coils 3 on the side of the coil 6. The covers 5 of the row-shaped pocket coils 3 may be connected to each other by stitching, adhesion, welding with a solvent, or the like, but here, nonwoven fabrics that are soluble by heat are welded together.

ここで、面状のポケットコイル４は、列状のポケットコイル３のカバー５の側部同士を上端から下端まで上下一直線状に連結してもよいが、列状のポケットコイル３の場合と同様に、列状のポケットコイル３同士を上下一直線状に連結されている連結部15と、列状のポケットコイル３同士が連結されておらず分離されている分離部16とを形成してもよい（図５参照。）。この場合も、列状のポケットコイル３と同様に、分離部16を列状のポケットコイル３のカバー５の上端部にだけに形成してもよく、また、カバー５の下端部にも形成することができる。   Here, the planar pocket coil 4 may connect the side portions of the cover 5 of the row-shaped pocket coil 3 in a straight line from the upper end to the lower end, but is the same as the case of the row-shaped pocket coil 3. Further, a connecting portion 15 in which the row-shaped pocket coils 3 are connected in a straight line may be formed, and a separating portion 16 in which the row-shaped pocket coils 3 are not connected but separated. (See FIG. 5). In this case as well, like the row-shaped pocket coil 3, the separating portion 16 may be formed only at the upper end portion of the cover 5 of the row-shaped pocket coil 3, or at the lower end portion of the cover 5. be able to.

そして、面状のポケットコイル４においても、列状のポケットコイル３と同様に、分離部16の長さを長く（連結部15の長さを短く）するほど変形範囲を狭くすることができ、連結部15の長さがコイル６を最も縮めた長さよりも短くなるように分離部16を形成することで、変形範囲を最も狭くすることができるので、所望する変形範囲に応じて分離部16の長さを適宜調節することが可能となる。したがって、面状のポケットコイル４を用いたマットレス１では、面状のポケットコイル４の変形範囲を適宜選択することで、使用者の好み等に応じたマットレス１とすることができる。   In the planar pocket coil 4, similarly to the row pocket coil 3, the deformation range can be narrowed as the length of the separating portion 16 is increased (the length of the connecting portion 15 is shortened). Since the separation portion 16 is formed so that the length of the connecting portion 15 is shorter than the length of the coil 6 that is most contracted, the deformation range can be made the narrowest, so that the separation portion 16 can be selected according to the desired deformation range. The length of can be adjusted as appropriate. Therefore, in the mattress 1 using the planar pocket coil 4, the mattress 1 according to the user's preference etc. can be obtained by appropriately selecting the deformation range of the planar pocket coil 4.

以上に説明したように、上記列状のポケットコイル３では、カバー５に、隣り合うコイル室9,9同士が連結された連結部10と、隣り合うコイル室9,9の上端部同士が分離された分離部11とを形成した構成となっている。   As described above, in the row-shaped pocket coil 3, the connecting portion 10 in which the adjacent coil chambers 9 and 9 are connected to the cover 5 and the upper end portions of the adjacent coil chambers 9 and 9 are separated from each other. The separated part 11 is formed.

そのため、上記構成の列状のポケットコイル３では、分離部11によってコイル６の変形に伴うカバー５の変形が緩和され、カバー５の変形範囲A2,A3を狭くすることができる。これにより、列状のポケットコイル３をマットレス１等のクッション材として用いると、使用者の身体にフィットさせることができ、使用感を向上させることができる。特に、連結部10の長さをコイル６を最も縮めた長さよりも短くした場合には、コイル６の変形に伴って周囲のカバー５が変形してしまうのを抑制することができる。これにより、列状のポケットコイル３をマットレス１等のクッション材として用いると、使用者の身体に良好にフィットさせることができ、使用感を使用者の好みに適合させることができる。   Therefore, in the row-shaped pocket coil 3 having the above-described configuration, the deformation of the cover 5 accompanying the deformation of the coil 6 is mitigated by the separating portion 11, and the deformation ranges A2 and A3 of the cover 5 can be narrowed. Thereby, when the line-shaped pocket coil 3 is used as a cushioning material such as the mattress 1, it can be fitted to the user's body and the feeling of use can be improved. In particular, when the length of the connecting portion 10 is made shorter than the length in which the coil 6 is most contracted, it is possible to suppress the surrounding cover 5 from being deformed as the coil 6 is deformed. Thereby, when the row-shaped pocket coil 3 is used as a cushioning material such as the mattress 1, the user's body can be satisfactorily fitted and the feeling of use can be adapted to the user's preference.

また、上記面状のポケットコイル４では、隣り合う列状のポケットコイル３のカバー5,5同士をコイル６の側方で溶着した構成となっている。   Further, the planar pocket coil 4 has a configuration in which the covers 5 and 5 of the adjacent row pocket coils 3 are welded to the side of the coil 6.

そのため、上記構成の面状のポケットコイル４では、マットレス１等のクッション材として用いても、その製造作業に要する労力や時間を軽減することができるとともに、接着剤の不使用により使用者に不快感を与えることなく長期間にわたって良好に使用してもらうことができる。   Therefore, the planar pocket coil 4 having the above-described configuration can reduce labor and time required for the manufacturing work even if it is used as a cushion material for the mattress 1 or the like, and it is not necessary for the user due to the non-use of the adhesive. It can be used well over a long period of time without giving a pleasant feeling.

１ マットレス ２ 収容袋
３ 列状のポケットコイル ４ 面状のポケットコイル
５ カバー ６ コイル
7,8 前後側シート ９ コイル室
10 連結部 11 分離部
12 列状のポケットコイル 13 コイル
14 カバー 15 連結部
16 分離部 Ｆ 押圧力
A1〜A3 変形範囲 DESCRIPTION OF SYMBOLS 1 Mattress 2 Containment bag 3 Row-shaped pocket coil 4 Planar pocket coil 5 Cover 6 Coil
7,8 Front and rear seats 9 Coil chamber
10 Connecting part 11 Separating part
12 rows of pocket coils 13 coils
14 Cover 15 Connection
16 Separation part F Pressure
A1-A3 deformation range

Claims (2)

中空状のカバーの内部を列状に並べた複数のコイル室で区画し、各コイル室に上下に変形するコイルを収容した列状のポケットコイルを、コイルが並ぶ方向とは直交する方向に並べて連結した面状のポケットコイルであって、
隣り合う列状のポケットコイルのカバー同士をコイルの側方で下端から上下一直線状に連結されている連結部とカバーの上端部において連結されていない分離部とを形成し、
連結部の長さがコイルを最も縮めたときのコイルの高さよりも短くしたことを特徴とするポケットコイル。 The inside of the hollow cover is partitioned by a plurality of coil chambers arranged in a row, and a row of pocket coils containing coils that deform vertically in each coil chamber are arranged in a direction orthogonal to the direction in which the coils are arranged. A connected planar pocket coil,
Forming a connecting portion that is connected in a straight line from the lower end to the upper and lower ends of the cover between the covers of adjacent row pocket coils adjacent to each other ,
A pocket coil characterized in that the length of the connecting portion is shorter than the height of the coil when the coil is most contracted . 中空状のカバーの内部を列状に並べた複数のコイル室で区画し、各コイル室に上下に変形するコイルを収容した列状のポケットコイルを、コイルが並ぶ方向とは直交する方向に並べて連結した面状のポケットコイルの製造方法であって、
列状のポケットコイルを形成し、複数の列状のポケットコイルをコイルが並ぶ方向とは直交する方向に並べ、その後、隣り合う列状のポケットコイルのカバー同士をコイルの側方で下端から上下一直線状に連結されている連結部とカバーの上端部において連結されていない分離部とを形成し、連結部の長さがコイルを最も縮めたときのコイルの高さよりも短くして面状のポケットコイルを製造することを特徴とするポケットコイルの製造方法。
The inside of the hollow cover is partitioned by a plurality of coil chambers arranged in a row, and a row of pocket coils containing coils that deform vertically in each coil chamber are arranged in a direction orthogonal to the direction in which the coils are arranged. A method for manufacturing connected planar pocket coils,
A row of pocket coils is formed, and a plurality of row pocket coils are arranged in a direction perpendicular to the direction in which the coils are arranged, and then the adjacent row of pocket coil covers are vertically moved from the lower end to the side of the coil. A connecting portion that is connected in a straight line and a separation portion that is not connected at the upper end of the cover are formed, and the length of the connecting portion is shorter than the height of the coil when the coil is most contracted, so A method for manufacturing a pocket coil, characterized by manufacturing a pocket coil.
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