JP2021075303A5 - - Google Patents
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- JP2021075303A5 JP2021075303A5 JP2019203332A JP2019203332A JP2021075303A5 JP 2021075303 A5 JP2021075303 A5 JP 2021075303A5 JP 2019203332 A JP2019203332 A JP 2019203332A JP 2019203332 A JP2019203332 A JP 2019203332A JP 2021075303 A5 JP2021075303 A5 JP 2021075303A5
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- JP
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- Prior art keywords
- joint portion
- joint
- film
- outer peripheral
- bag body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005304 joining Methods 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 11
- 238000004519 manufacturing process Methods 0.000 claims 7
- 238000003466 welding Methods 0.000 claims 7
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
Description
本発明によれば、
フィルムによって形成された袋体であって、
前記フィルムの２つの端部が互いに重ねられ接合されている帯状領域を備え、
前記帯状領域が、該帯状領域の長手方向に沿って互いに平行に延び前記フィルムの２つの端部を接合している線状の第１の接合部分および第２の接合部分を含み、
前記第１の接合部分および第２の接合部分のそれぞれが、前記重ねられた２枚のフィルムが接合されている複数の細長い接合部を有し、
前記第１の接合部分および第２の接合部分において、前記複数の細長い接合部は断続的に前記帯状領域の長手方向に縦列配置され、
前記第１の接合部分および第２の接合部分内で前記帯状領域の長手方向に隣接する前記細長い接合部の間には、前記重ねられたフィルムの端部が接合されていない非接合部が形成され、
前記非接合部が前記袋体の内部と外部とを連通させる通気路の一部を構成し、
前記第１の接合部分に含まれる非接合部と前記第２の接合部分に含まれる非接合部とが、前記帯状領域の幅方向に重ならないように配置され、
下記式１から式５を満たす、
０．５ｍｍ≦Ｗ１≦１８ｍｍ・・・(式１)
０．５ｍｍ≦Ｗ２≦１８ｍｍ・・・(式２)
５ｍｍ≦Ｗ１＋Ｗ２＋Ｄ≦２０ｍｍ・・・(式３)
０．２ｍｍ≦Ｌ１≦３ｍｍ・・・(式４)
０．２ｍｍ≦Ｌ２≦３ｍｍ・・・(式５)
(Ｗ１は第１の接合部分の接合部の幅であり、Ｗ２は第２の接合部分の接合部の幅であり、Ｄは第１の接合部分と第２の接合部分の間隔であり、Ｌ１は第１の接合部分の非接合部の長さであり、Ｌ２は第２の接合部分の非接合部の長さである。)
ことを特徴とする袋体が提供される。
According to the present invention
A bag formed by a film
It comprises a strip of area where the two ends of the film are overlapped and joined to each other.
The strip-shaped region comprises a linear first and second joining portion extending parallel to each other along the longitudinal direction of the strip-shaped region and joining the two ends of the film.
Each of the first joint and the second joint has a plurality of elongated joints to which the two stacked films are bonded.
In the first joint portion and the second joint portion, the plurality of elongated joint portions are intermittently arranged in parallel in the longitudinal direction of the strip-shaped region.
A non-joint portion in which the ends of the stacked films are not joined is formed between the first joint portion and the elongated joint portion adjacent to the strip-shaped region in the longitudinal direction in the second joint portion. Being done
The non-joint portion constitutes a part of a ventilation path that communicates the inside and the outside of the bag body.
The non-joint portion included in the first joint portion and the non-joint portion included in the second joint portion are arranged so as not to overlap in the width direction of the strip-shaped region.
Satisfy equations 1 to 5 below,
0.5 mm ≤ W1 ≤ 18 mm ... (Equation 1)
0.5 mm ≤ W2 ≤ 18 mm ... (Equation 2)
5 mm ≤ W1 + W2 + D ≤ 20 mm ... (Equation 3)
0.2 mm ≤ L1 ≤ 3 mm ... (Equation 4)
0.2 mm ≤ L2 ≤ 3 mm ... (Equation 5)
(W1 is the width of the joint portion of the first joint portion, W2 is the width of the joint portion of the second joint portion, D is the distance between the first joint portion and the second joint portion, and L1. Is the length of the non-joint portion of the first joint portion, and L2 is the length of the non-joint portion of the second joint portion.)
A bag body characterized by this is provided.
Claims (7)
前記フィルムの２つの端部が互いに重ねられ接合されている帯状領域を備え、
前記帯状領域が、該帯状領域の長手方向に沿って互いに平行に延び前記フィルムの２つの端部を接合している線状の第１の接合部分および第２の接合部分を含み、
前記第１の接合部分および第２の接合部分のそれぞれが、前記重ねられた２枚のフィルムが接合されている複数の細長い接合部を有し、
前記第１の接合部分および第２の接合部分において、前記複数の細長い接合部は断続的に前記帯状領域の長手方向に縦列配置され、
前記第１の接合部分および第２の接合部分内で前記帯状領域の長手方向に隣接する前記細長い接合部の間には、前記重ねられたフィルムの端部が接合されていない非接合部が形成され、
前記非接合部が前記袋体の内部と外部とを連通させる通気路の一部を構成し、
前記第１の接合部分に含まれる非接合部と前記第２の接合部分に含まれる非接合部とが、前記帯状領域の幅方向に重ならないように配置され、
下記式１から式５を満たす、
０．５ｍｍ≦Ｗ１≦１８ｍｍ・・・(式１)
０．５ｍｍ≦Ｗ２≦１８ｍｍ・・・(式２)
５ｍｍ≦Ｗ１＋Ｗ２＋Ｄ≦２０ｍｍ・・・(式３)
０．２ｍｍ≦Ｌ１≦３ｍｍ・・・(式４)
０．２ｍｍ≦Ｌ２≦３ｍｍ・・・(式５)
(Ｗ１は第１の接合部分の接合部の幅であり、Ｗ２は第２の接合部分の接合部の幅であり、Ｄは第１の接合部分と第２の接合部分の間隔であり、Ｌ１は第１の接合部分の非接合部の長さであり、Ｌ２は第２の接合部分の非接合部の長さである。)
ことを特徴とする袋体。 A bag formed by a film
It comprises a strip of area where the two ends of the film are overlapped and joined to each other.
The strip-shaped region comprises a linear first and second joining portion extending parallel to each other along the longitudinal direction of the strip-shaped region and joining the two ends of the film.
Each of the first joint portion and the second joint portion has a plurality of elongated joint portions to which the two stacked films are bonded.
In the first joint portion and the second joint portion, the plurality of elongated joint portions are intermittently arranged in parallel in the longitudinal direction of the strip-shaped region.
A non-joint portion in which the ends of the stacked films are not joined is formed between the first joint portion and the elongated joint portion adjacent to the strip-shaped region in the longitudinal direction in the second joint portion. Being done
The non-joint portion constitutes a part of a ventilation path that communicates the inside and the outside of the bag body.
The non-joint portion included in the first joint portion and the non-joint portion included in the second joint portion are arranged so as not to overlap in the width direction of the strip-shaped region.
Satisfy equations 1 to 5 below,
0.5 mm ≤ W1 ≤ 18 mm ... (Equation 1)
0.5 mm ≤ W2 ≤ 18 mm ... (Equation 2)
5 mm ≤ W1 + W2 + D ≤ 20 mm ... (Equation 3)
0.2 mm ≤ L1 ≤ 3 mm ... (Equation 4)
0.2 mm ≤ L2 ≤ 3 mm ... (Equation 5)
(W1 is the width of the joint portion of the first joint portion, W2 is the width of the joint portion of the second joint portion, D is the distance between the first joint portion and the second joint portion, and L1. Is the length of the non-joint portion of the first joint portion, and L2 is the length of the non-joint portion of the second joint portion.)
A bag body characterized by that.
請求項１記載の袋体。 The length L3 of the portion of the joint portion included in the first joint portion adjacent to the width direction of the strip-shaped region and the joint portion included in the second joint portion overlapping in the width direction of the strip-shaped region is 20 mm. More than 200 mm or less,
The bag body according to claim 1.
請求項１または２に記載の袋体。 The thickness of the film is 30 μm or more and 400 μm or less.
The bag according to claim 1 or 2.
請求項１ないし３のいずれか１項に記載の袋体。 The joint is an ultrasonic joint,
The bag according to any one of claims 1 to 3.
超音波溶着によって前記第１の接合部分および前記第２の接合部分を形成するステップを備え、
前記形成ステップが、前記第１の接合部分に対応する第１の凸部列と、該第１の凸部列から幅方向に距離Ｄだけ離間し前記第２の接合部分に対応する第２の凸部列とが形成されている円板状の超音波溶着アンビルの外周部と、円板状の超音波ホーンの外周部との間に前記フィルムの重ねられた端部を挟持し、前記超音波溶着アンビルと円板状の超音波ホーンとを前記フィルムの重ねられた端部に対して回転させ、前記フィルムの端部に前記第１の接合部分および前記第２の接合部分を連続的に形成していくステップであり、
前記第１の凸部列では、前記第１の接合部分における接合部に対応した凸部が前記第１の接合部分における非接合部に対応する間隔をおいて外周面に周方向に断続的に形成され、前記第２の凸部列では、前記第２の接合部分における接合部に対応した凸部が前記第２の接合部分における非接合部に対応する間隔をおいて外周面に周方向に断続的に形成されている、
ことを特徴とする袋体の製造方法。 A bag body manufacturing method for manufacturing a bag body according to any one of claims 1 to 4.
A step of forming the first joint portion and the second joint portion by ultrasonic welding is provided.
The forming step is separated from the first convex portion row corresponding to the first joint portion by a distance D in the width direction from the first convex portion row and is separated from the first convex portion row by a distance D and corresponds to the second joint portion. The overlapped end portion of the film is sandwiched between the outer peripheral portion of the disk-shaped ultrasonic welding anvil on which the convex row is formed and the outer peripheral portion of the disk-shaped ultrasonic horn, and the superimposition is formed. A sonic welded anvil and a disk-shaped ultrasonic horn are rotated with respect to the overlapped ends of the film, and the first joint portion and the second joint portion are continuously attached to the end portion of the film. It ’s a step to form,
In the first row of convex portions, the convex portions corresponding to the joint portions in the first joint portion are intermittently arranged on the outer peripheral surface in the circumferential direction at intervals corresponding to the non-joint portions in the first joint portion. In the second row of convex portions, the convex portions corresponding to the joint portions in the second joint portion are circumferentially oriented around the outer peripheral surface at intervals corresponding to the non-joint portions in the second joint portion. Formed intermittently,
A method of manufacturing a bag body, which is characterized in that.
超音波溶着によって前記第１の接合部分および前記第２の接合部分の少なくとも一方を形成するステップを備え、
前記形成ステップが、
前記第１の接合部分および前記第２の接合部分の一方における接合部に対応した凸部が前記第１の接合部分および前記第２の接合部分の一方における非接合部に対応する間隔をおいて外周面に周方向に断続的に形成されている円板状の第１の超音波溶着アンビルの外周面と、円板状の超音波ホーンの外周面との間に、前記フィルムの重ねられた端部を挟持し、前記第１の超音波溶着アンビルおよび超音波ホーンを前記フィルムの重ねられた端部に対して回転させ、前記フィルムの端部に前記第１の接合部分および前記第２の接合部分の一方を連続的に形成していくステップと、
前記第１の接合部分および前記第２の接合部分の他方における接合部に対応した凸部が前記第１の接合部分および前記第２の接合部分の他方における非接合部に対応する間隔をおいて外周面に周方向に断続的に形成されている円板状の第２の超音波溶着アンビルの外周面と、円板状の超音波ホーンの外周面との間に、前記フィルムの重ねられた端部を挟持し、前記第２の超音波溶着アンビルおよび超音波ホーンを前記フィルムの重ねられた端部に対して回転させ、前記フィルムの端部に前記第１の接合部分および前記第２の接合部分の他方を連続的に形成していくステップと、を有している、
ことを特徴とする袋体の製造方法。 A bag body manufacturing method for manufacturing a bag body according to any one of claims 1 to 4.
A step of forming at least one of the first joint portion and the second joint portion by ultrasonic welding is provided.
The formation step
The convex portion corresponding to the joint portion in one of the first joint portion and the second joint portion is spaced apart from the non-joint portion in one of the first joint portion and the second joint portion. The film was laminated between the outer peripheral surface of the disk-shaped first ultrasonic welding anvil formed intermittently in the circumferential direction on the outer peripheral surface and the outer peripheral surface of the disk-shaped ultrasonic horn. The end portion is sandwiched, and the first ultrasonic welding anvil and the ultrasonic horn are rotated with respect to the overlapped end portion of the film, and the first joint portion and the second joint portion are connected to the end portion of the film. The step of continuously forming one of the joints and
The convex portion corresponding to the joint portion at the other of the first joint portion and the second joint portion is spaced apart from the non-joint portion at the other of the first joint portion and the second joint portion. The film was laminated between the outer peripheral surface of the disk-shaped second ultrasonic welding anvil formed intermittently in the circumferential direction on the outer peripheral surface and the outer peripheral surface of the disk-shaped ultrasonic horn. The end portion is sandwiched, and the second ultrasonic welding anvil and the ultrasonic horn are rotated with respect to the overlapped end portion of the film, and the first joint portion and the second joint portion are connected to the end portion of the film. It has a step of continuously forming the other side of the joint.
A method of manufacturing a bag body, which is characterized in that.
請求項５または６に記載の袋体の製造方法。 The rotation is performed at a peripheral speed of 25 mm / sec or more.
The method for manufacturing a bag according to claim 5 or 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019203332A JP2021075303A (en) | 2019-11-08 | 2019-11-08 | Freshness-preserving bag body and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019203332A JP2021075303A (en) | 2019-11-08 | 2019-11-08 | Freshness-preserving bag body and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2021075303A JP2021075303A (en) | 2021-05-20 |
| JP2021075303A5 true JP2021075303A5 (en) | 2021-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019203332A Pending JP2021075303A (en) | 2019-11-08 | 2019-11-08 | Freshness-preserving bag body and its manufacturing method |
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| JP (1) | JP2021075303A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023076024A1 (en) * | 2021-10-27 | 2023-05-04 | Illinois Tool Works Inc. | Valve application system and method |
| JP7249703B1 (en) * | 2022-05-11 | 2023-03-31 | 株式会社Ｗ | Coffee storage bag and manufacturing method thereof |
| JP2024172354A (en) * | 2023-05-31 | 2024-12-12 | 株式会社Ｗ | Coffee storage bag and method of manufacturing same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03168030A (en) * | 1989-11-28 | 1991-07-19 | Nagano Kida Kogyo Kk | Sealing of opening part of bag for mushroom culture |
| JP6570690B1 (en) * | 2018-04-13 | 2019-09-04 | 株式会社Ｗ | Freshness-preserving bag body and manufacturing method thereof |
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