JP2019063581A - 複合シート並びに複合シートの製造装置及び製造方法 - Google Patents
複合シート並びに複合シートの製造装置及び製造方法 Download PDFInfo
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- 239000002131 composite material Substances 0.000 title claims abstract description 74
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 230000002093 peripheral effect Effects 0.000 claims description 69
- 238000003825 pressing Methods 0.000 claims description 32
- 230000000994 depressogenic effect Effects 0.000 claims 1
- 230000001788 irregular Effects 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 description 41
- 239000000463 material Substances 0.000 description 14
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- 229920005989 resin Polymers 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
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- 230000002745 absorbent Effects 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 238000004049 embossing Methods 0.000 description 3
- 238000005304 joining Methods 0.000 description 3
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- 230000004048 modification Effects 0.000 description 3
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
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- 206010021639 Incontinence Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- A61F13/00—Bandages or dressings; Absorbent pads
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- A61F13/00—Bandages or dressings; Absorbent pads
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61F13/00—Bandages or dressings; Absorbent pads
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- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
Description
を備える。
12 第1のロール
12a 外周面(第1の外周面)
12b 凹部
13 ヒータ(第2の加熱部)
16 第1のシールロール(第3のロール)
17 ヒータ(第2の加熱部)
18 第2のシールロール(第3のロール)
19 ヒータ(第2の加熱部)
30 第1の賦形ロール(第4のロール)
30a 外周面(第4の外周面)
40 第2の賦形ロール(第2のロール)
40a 外周面(第2の外周面)
42 押圧部
48 ヒータ(第1の加熱部)
50,50x,50y 複合シート
51 空間
52 第1のシート
53 湾曲部
53k 境界部
53s 一方の面
53t 他方の面
54 第2のシート
54p 湾曲部に対向する領域
55,55x,55y 突起部
55s 内側面
55t 外側面
56 平坦部
56s 第1のシート側の面
Claims (8)
- 第1のシートと第2のシートとが接合部で互いに接合され、前記第1のシートと前記第2のシートとのうち前記第1のシートのみが一方の外側面に露出する複合シートであって、
前記第1のシートは、一方の面が盛り上がり他方の面がくぼんだ湾曲部と、前記湾曲部に隣接する境界部とを有し、
前記接合部は、前記第1のシートの前記湾曲部を覆い前記湾曲部との間に空間を形成するように、前記第1のシートの前記境界部と前記第2のシートとを接合し、
前記第2のシートは、加熱することによって変形させたり溶着したりすることができ、前記第1のシートの前記湾曲部に対向する領域に、前記湾曲部に接近するように、前記第1のシート側の内側面が盛り上がり前記第1のシートとは反対側の外側面がくぼんだ突起部と、前記突起部を取り囲む平坦部とを有することを特徴とする複合シート。 - 前記平坦部の前記第1のシート側の面からの前記突起部の高さは、
前記平坦部の前記第1のシート側の前記面からの前記湾曲部の前記他方の面の高さの30%以上であることを特徴とする、請求項1に記載の複合シート。 - 請求項1又は2に記載の複合シートを製造する、複合シートの製造装置であって、
円筒状の第1の外周面と、前記第1の外周面から径方向内側に後退する凹部とを有し、回転する第1のロールと、
前記第1のロールの回転と同期しながら回転し、前記第1の外周面に対向する円筒状の第2の外周面と、前記第2の外周面から径方向外側に突出し前記第1のロールの前記凹部に遊びのある状態で挿入される押圧部とを有する第2のロールと、
前記押圧部を加熱する第1の加熱部と、
を備え、
前記湾曲部と前記境界部とを有する前記第1のシートの前記湾曲部を前記第1のロールの前記凹部に収容し、前記第1のシートの前記境界部を前記第1のロールの前記第1の外周面に沿わせるとともに、前記第1のシートに、前記突起部が形成される前の前記第2のシートを重ねて前記湾曲部を覆う状態で、
前記第1のロールの回転に伴って、前記第1及び第2のシートが前記第1のロールと前記第2のロールとの間を通過し、
前記第1のロールの回転に伴って前記第1及び第2のシートが前記第1のロールと前記第2のロールとの間を通過するときに、前記第2のロールの前記押圧部が、前記第2のシートのうち前記湾曲部に対向する領域の中央部を加熱しながら前記凹部に押し込み変形させて、前記領域の前記中央部に前記突起部を形成するように構成されたことを特徴とする、複合シートの製造装置。 - 前記第1の外周面に対向する円筒状の第3の外周面を有し、前記第1のロールと同期しながら回転する第3のロールと、
前記第1のロールと前記第3のロールとのいずれか一方又は両方を加熱する第2の加熱部と、
をさらに備え、
前記第1及び第2のシートが、前記第1のロールと前記第3のロールとに挟まれ加熱されながら、前記第1のロールと前記第3のロールとの間を通過することによって、前記第1のシートの前記境界部と前記第2のシートとを互いに接合することができることを特徴とする、請求項3に記載の複合シートの製造装置。 - 前記第1のロールの回転と同期しながら回転し、前記第1の外周面に対向する円筒状の第4の外周面と、前記第4の外周面から径方向外側に突出し前記第1のロールの前記凹部に挿入される凸部とを有する第4のロールを、さらに備え、
前記湾曲部と前記境界部が形成される前の未加工状態の前記第1のシートを、前記第1のロールの前記凹部を覆うように前記第1の外周面に沿わせ、前記第1のシートが、前記第1のロールの回転に伴って前記第1のロールと前記第4のロールとの間を通過するとき、前記第4のロールの前記凸部が、前記第1のシートを前記凹部に押し込み変形させて、前記第1のシートに前記湾曲部と前記境界部を形成することを特徴とする、請求項3又は4に記載の複合シートの製造装置。 - 請求項1又は2に記載の複合シートを製造する、複合シートの製造方法であって、
前記湾曲部と前記境界部とを有する前記第1のシートの前記湾曲部を第1のロールの外周面から径方向内側に後退する凹部に収容し、前記第1のシートの前記境界部を前記第1のロールの前記外周面に沿わせるとともに、前記第1のシートに、前記突起部が形成される前の前記第2のシートを重ねて前記湾曲部を覆う状態で、前記第1のロールを回転させて、前記第1及び第2のシートを搬送する第1の工程と、
前記第1の工程によって搬送されている前記第1及び第2のシートを、前記第1のロールと第2のロールとの間を通過させるとともに、前記第2のロールを前記第1のロールと同期しながら回転させ、前記第2のロールの外周面から径方向外側に突出する、加熱された状態である押圧部を、前記第1のロールの前記凹部に遊びのある状態で挿入することによって、前記第2のロールの前記押圧部が前記第2のシートのうち前記湾曲部に対向する領域の中央部を加熱しながら前記凹部に押し込み変形させて、前記領域の前記中央部に前記突起部を形成する第2の工程と、
前記第2の工程の前、前記第2の工程の後、及び前記第2の工程と同時のうち、少なくともいずれかにおいて、前記第1のシートの前記境界部と前記第2のシートとを接合する第3の工程と、
を備えたことを特徴とする、複合シートの製造方法。 - 前記第3の工程において、
前記第1の工程によって搬送されている前記第1及び第2のシートを、前記第1のロールと第3のロールとの間を通過させ、前記第1及び第2のシートを、前記第1のロールと前記第3のロールとで挟み加熱することによって、前記第1のシートの前記境界部と前記第2のシートとを接合することを特徴とする、請求項6に記載の複合シートの製造方法。 - 前記第1の工程の前に、前記湾曲部と前記境界部が形成される前の未加工状態の前記第1のシートを、前記第1のロールの前記凹部を覆うように前記第1の外周面に沿わせた状態で、前記第1のロールと第4のロールとの間を通過させるとともに、前記第4のロールを前記第1のロールと同期しながら回転させ、前記第4のロールの外周面から径方向外側に突出する凸部を、前記第1のロールの前記凹部に挿入することによって、前記第4のロールの前記凸部が前記第1のシートを前記凹部に押し込み変形させて、前記第1のシートに前記湾曲部と前記境界部を形成する第4の工程を、さらに備えたことを特徴とする、請求項6又は7に記載の複合シートの製造方法。
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