JP7577664B2 - 乾燥不織布抗菌物品 - Google Patents
乾燥不織布抗菌物品 Download PDFInfo
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- JP7577664B2 JP7577664B2 JP2021541246A JP2021541246A JP7577664B2 JP 7577664 B2 JP7577664 B2 JP 7577664B2 JP 2021541246 A JP2021541246 A JP 2021541246A JP 2021541246 A JP2021541246 A JP 2021541246A JP 7577664 B2 JP7577664 B2 JP 7577664B2
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- spores
- nonwoven
- fibers
- dry
- wipe
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Images
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N63/00—Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances produced by, or obtained from, microorganisms, viruses, microbial fungi or animals, e.g. enzymes or fermentates
- A01N63/20—Bacteria; Substances produced thereby or obtained therefrom
- A01N63/22—Bacillus
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- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K10/00—Body-drying implements; Toilet paper; Holders therefor
- A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N63/00—Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances produced by, or obtained from, microorganisms, viruses, microbial fungi or animals, e.g. enzymes or fermentates
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- A—HUMAN NECESSITIES
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- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P1/00—Disinfectants; Antimicrobial compounds or mixtures thereof
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K10/00—Body-drying implements; Toilet paper; Holders therefor
- A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
- A47K10/32—Dispensers for paper towels or toilet-paper
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K10/00—Body-drying implements; Toilet paper; Holders therefor
- A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
- A47K10/32—Dispensers for paper towels or toilet-paper
- A47K10/42—Dispensers for paper towels or toilet-paper dispensing from a store of single sheets, e.g. stacked
- A47K10/424—Dispensers for paper towels or toilet-paper dispensing from a store of single sheets, e.g. stacked dispensing from the bottom part of the dispenser
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- A—HUMAN NECESSITIES
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- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
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- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B65D81/32—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 for packaging two or more different materials which must be maintained separate prior to use in admixture
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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
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/08—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession
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- B65D83/00—Containers or packages with special means for dispensing contents
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- B65D83/0805—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession through an aperture in a wall
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- B65D83/0823—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession through an aperture in a wall with means for assisting dispensing the articles being pushed and slid through the aperture
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- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K10/00—Body-drying implements; Toilet paper; Holders therefor
- A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
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Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Zoology (AREA)
- Public Health (AREA)
- Mechanical Engineering (AREA)
- Environmental Sciences (AREA)
- Wood Science & Technology (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Virology (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
- Toilet Supplies (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
- Toxicology (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Description
使用者が乾燥抗菌物品を手に取るステップと、
乾燥抗菌物品を加湿して、芽胞の再活性化を開始するステップと、
使用者が硬質表面を物品で拭き、硬質表面に芽胞を放出させるステップと、
使用者が物品を廃棄するステップとを含む、使用に関するものである。
少なくとも1つのワイプを含む乾燥区画と、
水性液体を含む湿潤区画と、
水性液体をワイプに放出するように構成された手段と、
ディスペンシング出力とを含み、
ディスペンサーは、ワイプを加湿するように構成されている、ディスペンサーに関するものである。
分散性繊維を一方向にカーディングするステップと、
芽胞をカーディングされた繊維上に広げるステップと、
上に芽胞が付いたカーディングされた繊維を熱処理して、繊維を不織布材料に溶融させるステップとを含む、方法を包含する。
分散性繊維を一方向にカーディングするステップと、
カーディングされた繊維を熱処理して、繊維を不織布材料に結合させるステップと、
芽胞を不織布上に広げるステップとを含む、方法に関するものである。
ここで、本発明の物品に適した芽胞を選択および調製するためのプロセスについて説明する。
・芽胞を形成し、
・短時間で細菌に再活性化され、
・病原菌に対する阻害活性を示す
ことができる適切な細菌を選択するための広範な研究を経験してきた。
・バチルスアミロリケファシエンス
・バチルスリケニフォルミス
・枯草菌
・バチルスプミルス
・大腸菌(LMG2093)
・サルモネラエンテリカ亜種エンテリカ血清型ティフィムリウムATCC14028
・表皮ブドウ球菌(ATCC12228)
・黄色ブドウ球菌(ATCC29213)
溶融寒天に500μlの病原性株を接種した。寒天が固化した後、4つの穴を開け、バチルス混合物またはラクトバチルスラムノサスGGのいずれかの100μlの無細胞上清を充填した。各々の病原性株についてアッセイを繰り返した。インキュベーション(24時間、37℃)後、病原菌の増殖の阻害ゾーンを測定した。
固体寒天プレート上に、バチルス混合物またはラクトバチルスラムノサスGGのコロニーを上部から底部へ直線で接種した。コロニーはインキュベーション(24時間、37℃)で増殖させる。一晩のインキュベーション後、病原性株を垂直線で接種した。病原性株は、インキュベーション(24時間、37℃)で増殖させた。インキュベーション後、病原性株の増殖に対する阻害を測定した。各々の病原性株についてアッセイを繰り返した。
最初に、バチルス混合物またはラクトバチルスラムノサスGGのいずれかの単一コロニーを、インキュベーション(一晩、37℃)後、固体LB寒天上で増殖させた。その後、溶融寒天に500μlの病原菌を接種し、コロニーの上に注いだ。インキュベーション(24時間、37℃)後、病原菌の増殖の阻害ゾーンを測定した。各々の病原性株についてアッセイを繰り返した。
・使用者が乾燥抗菌物品を手に取り、
・使用者が硬質表面を物品で拭き、硬質表面に芽胞を放出させ、
・使用者が物品を廃棄し、
ここで、乾燥抗菌物品は、芽胞の再活性化を開始するために硬質表面を拭く直前に加湿される。
細菌(バチルス:7.22×107cfu;ラクトバチルス:1.69×1011)、PVA(3%)、および水(2.5ml)の懸濁液を調製した。この混合物を不織布材料(313cm2)の上に噴霧し、続いてオーブンで乾燥させた(5秒、180℃)。
i.転写液は使用しなかった。
ii.ワイプの加湿手段としての機能を果たすように、拭き取り動作が始まる便座に0.1mLの水を液滴として加えた。そして、
iii.拭く前に、3滴の鉱油を滅菌済み便座の周りに配置した。
図3を参照すると、乾燥抗菌ワイプ8は、上記で調製したように、選択したバチルス芽胞の芽胞が分散している分散性不織布層10と、分散性ハンドリング紙層9とを含む。
本発明の物品で作られたワイプは、廃棄するのに適した、特にトイレで洗い流すのに適した1回使用のワイプである。したがって、ワイプは、排水管またはトイレの排泄システムのいかなるコンポーネントをも損傷しないように、容易に分散する必要がある。本発明の物品で作製されたワイプの洗い流し可能特性の検証が、以下に詳述される。
・トイレおよび排水路のクリアランス試験(FG501):製品がトイレと建物の排水路を正常にきれいにする可能性を判定する。
・スロッシュボックス崩壊試験(FG502):水または廃水中で機械的攪拌を受けたときに製品が崩壊する可能性を評価する。
・家庭用ポンプ試験(FG503):製品と家庭用下水排出ポンプシステムとの互換性を評価し、製品が高使用条件下で詰まらない、内部に蓄積しない、または他の方法で通常のシステム操作を妨害しないことを確認する。
・沈殿試験(FG504):製品が下水槽、浄化槽、オンサイトの好気性システム、およびポンプ場と都市下水処理施設に関連する沈殿チャンバに沈殿するかどうかを評価する。
・好気性生物分解/生分解試験(FG505):下水道ならびにオンサイトおよび都市下水処理システムで通常見られる好気性条件下で製品が生物学的に分解する可能性を評価する。
・嫌気性生物分解/生分解試験(FG506):下水道ならびにオンサイトおよび都市下水処理システムで通常見られる嫌気性条件下で製品が生物学的に分解する可能性を評価する。
・都市下水ポンプ試験(FG507):小規模都市下水ポンプシステムとの製品の互換性を評価する。
Claims (11)
- 少なくとも分散性不織布層を含む乾燥抗菌衛生物品を製造するための方法であって、前記乾燥抗菌衛生物品は、保護されていない乾燥細菌芽胞が不織布層内に広がっており、前記芽胞は、再活性化時に病原菌の増殖を特異的に阻害するように選択されており、
前記方法は、
分散性繊維を一方向にカーディングするステップと、
芽胞を前記カーディングされた繊維上に広げるステップと、
上に芽胞が付いた前記カーディングされた繊維を熱処理して、前記繊維を不織布材料に結合させるステップとを含む、方法。 - 前記芽胞は、前記カーディングされた分散性繊維上に芽胞の溶液を噴霧することによって広げられ、前記熱処理は、噴霧された前記溶液の液体をさらに蒸発させる、請求項1に記載の方法。
- 噴霧する直前に前記芽胞を溶解するステップを含む、請求項2に記載の方法。
- 噴霧は、前記熱処理の直前に行われる、請求項2または3に記載の方法。
- 前記芽胞を粉末形態で散乱させることによって前記芽胞が広げられる、請求項1に記載の方法。
- ニードリングおよび/またはハイドロエンタングリングのステップをさらに含む、請求項1~5のいずれか一項に記載の方法。
- 少なくとも分散性不織布層を含む乾燥抗菌衛生物品を製造する方法であって、前記乾燥抗菌衛生物品は、保護されていない乾燥細菌芽胞が不織布層内に広がっており、前記芽胞は、再活性化時に病原菌の増殖を特異的に阻害するように選択されており、
前記方法は、
分散性繊維を一方向にカーディングするステップと、
前記カーディングされた繊維を熱処理して、前記繊維を不織布材料に結合させるステップと、
芽胞を前記不織布上に広げるステップとを含む、方法。 - 前記芽胞は、前記不織布材料上に芽胞の溶液を噴霧することによって広げられ、前記噴霧された不織布材料を乾燥させる後続のステップを含む、請求項7に記載の方法。
- 噴霧する直前に前記芽胞を溶解するステップを含む、請求項8に記載の方法。
- 前記芽胞を粉末形態で散乱させることによって前記芽胞が広げられる、請求項7に記載の方法。
- ニードリングおよび/またはハイドロエンタングリングのステップをさらに含む、請求項7~10のいずれか一項に記載の方法。
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