JP2020532360A - 耳栓組立品及びその製造方法 - Google Patents
耳栓組立品及びその製造方法 Download PDFInfo
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- JP2020532360A JP2020532360A JP2020511983A JP2020511983A JP2020532360A JP 2020532360 A JP2020532360 A JP 2020532360A JP 2020511983 A JP2020511983 A JP 2020511983A JP 2020511983 A JP2020511983 A JP 2020511983A JP 2020532360 A JP2020532360 A JP 2020532360A
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- cord
- stem
- earplug
- proximal end
- melting temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
- B29C65/565—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits involving interference fits, e.g. force-fits or press-fits
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- B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/0075—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements sutured, ligatured or stitched, retained or tied with a rope, string, thread, wire or cable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2240/00—Manufacturing or designing of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2240/001—Designing or manufacturing processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/731—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the intensive physical properties of the material of the parts to be joined
- B29C66/7315—Mechanical properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2101/00—Use of unspecified macromolecular compounds as moulding material
- B29K2101/12—Thermoplastic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/48—Wearing apparel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/753—Medical equipment; Accessories therefor
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Abstract
Description
実施形態1は、耳栓組立品の製造方法であって、耳栓組立品は、第1の耳栓と、第2の耳栓と、第1の端部及び第2の端部並びに第1の端部と第2の端部との間に延びる長さを有するコードと、を備え、各耳栓が、近位端、遠位端、主外面、及び近位端から遠位端まで延びる長手方向軸を有するステムと、ステムの遠位端に配置された音響減衰体と、を備え、該方法が、耳栓のステムの近位端内の深さまでホットチップを挿入してコードキャビティを形成することであって、ステムが、第1の溶融温度を有する第1の材料を含み、コードが、第2の溶融温度を有する第2の材料を含み、ホットチップが、第1及び第2の溶融温度以上の温度を有する、ことと、ステムからホットチップを取り外すことと、コードの端部をコードキャビティに挿入することと、によって、第1及び第2の端部を第1及び第2の耳栓にそれぞれ取り付けることを含む。
Claims (21)
- 耳栓組立品の製造方法であって、前記耳栓組立品は、
第1の耳栓と、第2の耳栓と、第1の端部及び第2の端部並びに前記第1の端部と前記第2の端部との間に延びる長さを有するコードと、を備え、各耳栓は、
近位端及び遠位端並びに前記近位端から前記遠位端まで延びる長手方向軸を有するステムと、
前記ステムの前記遠位端に配置された音響減衰体と、
を備え、
前記方法は、
前記耳栓の前記ステムの前記近位端内の深さまでホットチップを挿入してコードキャビティを形成することであって、前記ステムは、第1の溶融温度を有する第1の材料を含み、前記コードは、第2の溶融温度を有する第2の材料を含み、前記ホットチップは、前記第1及び第2の溶融温度以上の温度を有する、ことと、
前記ステムから前記ホットチップを取り外すことと、
前記コードの前記第1又は前記第2の端部を前記コードキャビティに挿入することと、
によって、
前記コードの前記第1及び第2の端部をそれぞれ、前記第1及び第2の耳栓に取り付けることを含む、方法。 - 前記コードの前記第1又は第2の端部を前記コードキャビティに挿入することにより、前記コードの前記端部の一部が溶融する、請求項1に記載の方法。
- 前記方法は、前記コードキャビティ内に前記コードの前記端部のボールソケットアタッチメントを形成する、請求項1に記載の方法。
- 前記コードの前記端部を前記コードキャビティ内に約0.5〜約4秒間保持することを更に含む、請求項1に記載の方法。
- 前記第2の材料の溶融温度は、前記第1の材料の溶融温度より50℃以上低い、請求項1に記載の方法。
- 前記第1の材料は、約0.3〜約12GPaの曲げ弾性率を有する剛性の熱可塑性材料から選択される、請求項1に記載の方法。
- 前記第1の材料は、ポリプロピレン、ポリエチレンテレフタレート、ポリブチレンテレフタレート、ナイロン、ポリカーボネート、又はこれらの混合物を含む、請求項1に記載の方法。
- 前記第2の材料は、約25〜約90のタイプAショア硬度を有する可撓性熱可塑性材料から選択される、請求項1に記載の方法。
- 前記第2の材料は、熱可塑性ポリオレフィン、熱可塑性エラストマー、エチレンビニルアセテート、可撓性ポリ塩化ビニル、スチレン−ブタジエンコポリマー、ポリプロピレン系エラストマー、又はこれらの混合物を含む、請求項1に記載の方法。
- 前記ホットチップは、約175〜約425℃の温度を有する、請求項1に記載の方法。
- 前記ホットチップは、前記ホットチップの挿入後、約0.1〜約2秒で前記ステムから取り外される、請求項1に記載の方法。
- 前記ホットチップは、前記ステムの前記近位端内に約2〜約10mmの深さまで挿入される、請求項1に記載の方法。
- 耳栓組立品の製造方法であって、前記耳栓組立品は、
第1の耳栓と、第2の耳栓と、第1の端部及び第2の端部並びに前記第1の端部と前記第2の端部との間に延びる長さを有するコードと、を備え、各耳栓は、
近位端及び遠位端並びに前記近位端から前記遠位端まで延びる長手方向軸を有するステムと、
前記ステムの前記遠位端に配置された音響減衰体と、
を備え、
前記方法は、
前記耳栓の前記ステムの前記近位端とホットチップとを接触させて前記近位端の一部を溶融させることであって、前記ステムは、第1の溶融温度を有する第1の材料を含み、前記コードは、第2の溶融温度を有する第2の材料を含み、前記ホットチップは、前記第1及び第2の溶融温度以上の温度を有する、溶融させることと、
前記コードの前記第1又は第2の端部を、前記ステムの前記近位端の前記溶融部分と接触させることと、
によって、前記コードの前記第1及び第2の端部をそれぞれ、前記第1及び第2の耳栓に取り付けることを含む、方法。 - 耳栓組立品であって、
それぞれが、
近位端及び遠位端並びに前記近位端から前記遠位端まで延びる長手方向軸を有するステムと、
前記ステムの前記遠位端に配置された音響減衰体と、
を有する第1の耳栓及び第2の耳栓と、
第1の端部及び第2の端部並びに前記第1の端部と前記第2の端部との間に延びる長さを有するコードであって、前記第1及び第2の端部が、前記第1及び第2の耳栓の前記ステムの前記近位端に熱結合されており、かつ前記近位端内のある深さまで延びる、コードと、
を備え、
前記ステムは、ポリプロピレン、ポリエチレンテレフタレート、ポリブチレンテレフタレート、ナイロン、ポリカーボネート、及びこれらの混合物から選択される第1の材料を含み、
前記コードは、熱可塑性ポリオレフィン、熱可塑性エラストマー、エチレンビニルアセテート、可撓性ポリ塩化ビニル、スチレン−ブタジエンコポリマー、ポリプロピレン系エラストマー、及びこれらの混合物から選択される第2の材料を含む、耳栓組立品。 - 前記ステムへの前記コードの取り付けには、接着剤が使用されていない、請求項14に記載の耳栓組立品。
- 前記第1の材料は、ポリプロピレン、ナイロン、又はこれらの組み合わせを含む、請求項14に記載の耳栓組立品。
- 前記第2の材料は、エチレンビニルアセテート(EVA)である、請求項14に記載の耳栓組立品。
- 耳栓組立品であって、
それぞれが、
近位端及び遠位端並びに前記近位端から前記遠位端まで延びる長手方向軸を有するステムと、
前記ステムの前記遠位端に配置された音響減衰体と、
を有する第1の耳栓及び第2の耳栓と、
第1の端部及び第2の端部並びに前記第1の端部と前記第2の端部との間に延びる長さを有するコードであって、前記第1及び第2の端部が、前記第1及び第2の耳栓の前記ステムの前記近位端に熱結合されており、かつ熱結合によって前記近位端内にある深さまで延びる、コードと、
を備え、
前記ステムは、第1の溶融温度を有する第1の熱可塑性材料を含み、前記コードは、前記第1の溶融温度よりも少なくとも30℃低い第2の溶融温度を有する第2の熱可塑性材料を含む、耳栓組立品。 - 前記ステムへの前記コードの取り付けには、接着剤が使用されていない、請求項18に記載の耳栓組立品。
- 前記第1の材料は、ポリプロピレン、ナイロン、又はこれらの組み合わせを含む、請求項18に記載の耳栓組立品。
- 前記第2の材料は、エチレンビニルアセテート(EVA)である、請求項18に記載の耳栓組立品。
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US62/553,620 | 2017-09-01 | ||
PCT/IB2018/056647 WO2019043626A1 (en) | 2017-09-01 | 2018-08-30 | EAR PLUG ASSEMBLY AND METHOD OF FORMING THE SAME |
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EP4218697A1 (en) | 2023-08-02 |
KR102563414B1 (ko) | 2023-08-07 |
EP3675782A4 (en) | 2021-05-26 |
EP3675782B1 (en) | 2023-04-26 |
CN111065360A (zh) | 2020-04-24 |
AU2018326831A1 (en) | 2020-03-12 |
RU2746154C1 (ru) | 2021-04-07 |
JP7273799B2 (ja) | 2023-05-15 |
AU2018326831B2 (en) | 2020-07-02 |
BR112020004229A2 (pt) | 2020-09-01 |
KR20200051673A (ko) | 2020-05-13 |
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