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公开(公告)号：EP4241747A1
公开(公告)日：2023-09-13
申请号：EP21889282.6
申请日：2021-11-05
发明人： NAGAIKE, Daisaku , IGAUE, Tsuyoshi
IPC分类号： A61F7/03
摘要： [Problem to be Solved] It is an object of the present invention to provide a chemical body warmer that achieves a sufficient heating effect even in a low-temperature environment at about 10°C or less.
[Solution] A chemical body warmer including a flat housing including one or a plurality of cells each containing an exothermic composition that generates heat upon contact with air, wherein a total area of the cell or the plurality of cells in a plan view of the housing is 200 cm 2 or more, and the chemical body warmer is used by being placed under a blanket.-
公开(公告)号：EP3900670A1
公开(公告)日：2021-10-27
申请号：EP19904019.7
申请日：2019-11-18
发明人： KIKKAWA, Tasuku , ASAYAMA Koki
IPC分类号： A61C15/02
摘要： An interdental cleaning tool that achieves both easy insertion between teeth and improved cleaning effect is provided. The interdental cleaning tool 1 includes a base material portion 10 including a base section 11 and a shaft section 12 extending from the base section 11, and a soft portion 20 covering at least a part of the shaft section 12. The at least the part of the shaft section 12 has a first outer dimension X1 defined in a first direction D1 and a second outer dimension X2, defined in a second direction D3 perpendicular to the first direction D1 and smaller than the first outer dimension X1, in a cross section of the shaft section 12 perpendicular to an axial direction of the shaft section 12.
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公开(公告)号：EP3900669A1
公开(公告)日：2021-10-27
申请号：EP19901755.9
申请日：2019-11-18
发明人： KIKKAWA, Tasuku
IPC分类号： A61C15/02
摘要： A method for manufacturing an interdental cleaning tool is provided that is capable of suppressing molding defects of the interdental cleaning tool. The method for manufacturing an interdental cleaning tool includes: a first step of injecting a base material into primary molds 40, 41 to mold a base material portion 10 including a base section 11 and a shaft section 12 extending from the base section 11; and a second step of injecting a soft material into secondary molds 50, 51, in which the base material portion 10 is placed, from a position corresponding to a middle part 12b of the shaft section 12 located further toward the proximal side than a distal end part 12a to mold a soft portion 20 including a covering section 21 that covers the distal end part 12a of the shaft section 12 and a plurality of projections 22 projecting from the covering section 21, and an extension soft portion 30 that covers the middle part 12b of the shaft section 12 so as to extend the covering section 21 toward the proximal side of the shaft section 12, the extension soft portion 30 not having the projections 22.
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公开(公告)号：EP3831338A1
公开(公告)日：2021-06-09
申请号：EP19826253.7
申请日：2019-05-16
发明人： KIKKAWA, Tasuku , SAIKI, Yuji , YOSHIDA, Tomokazu
摘要： Provided is an interdental cleaning tool that can be smoothly inserted between back teeth. An interdental cleaning tool according to the present invention includes: a cleaning tool body that is made of a synthetic resin, and includes a grip portion that is capable of being gripped with fingers of a user and a shaft portion that extends in one direction from the grip portion; and a cleaning portion configured to clean between teeth, covering a leading end of the shaft portion, and made of an elastomer, wherein (angle b) / (angle a) is 0.82 or more, where the angle a is a rotational angle (degrees) when a torque value A is measured, the torque value A being a maximum torque value (N·cm) when the grip portion is rotated at a rotational speed of 10 rpm about a position located 6 mm away from a leading end of the cleaning portion, and the angle b is a rotational angle (degrees) when a torque value B is measured, the torque value B being a maximum torque value (N·cm) when the grip portion is rotated at a rotational speed of 10 rpm about a position located 10 mm away from the leading end of the cleaning portion.
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公开(公告)号：EP3782581A1
公开(公告)日：2021-02-24
申请号：EP19791648.9
申请日：2019-04-26
发明人： KIKKAWA, Tasuku
摘要： An interdental cleaning tool capable of changing a cleaning effect and feeling when cleaning an interdental space and side surfaces of teeth includes a base portion including a shaft portion (20), and a cleaning portion (40). The cleaning portion (40) includes a cleaning portion body (50) and a brush portion (60). The brush portion (60) includes a first brush group (61) and a second brush group (62). Bristles (60a) of the first brush group (61) and the second brush group (62) each have a shape whose a protruding length from the cleaning portion body (50) gradually increases from a top end side to a base end side of the shaft portion (20). A protruding length from the cleaning portion body (50) of a predetermined numbered one (60a) of the second brush group (62) from the top end side to the base end side of the shaft portion (20) is larger than a protruding length from the cleaning portion body (50) of the predetermined numbered one (60a) of the bristles of the first brush group (61) from the top end side to the base end side of the shaft portion (20).
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公开(公告)号：EP3782580A1
公开(公告)日：2021-02-24
申请号：EP19791581.2
申请日：2019-04-26
发明人： KIKKAWA, Tasuku
摘要： An interdental cleaning tool has a high capability of cleaning a corner of a triangular space and has a high capability of cleaning triangular spaces of various sizes. The interdental cleaning tool includes a base portion including a shaft portion that extends from a base end side to a top end side so as to be insertable in an interdental space and gradually becomes thinner from the base end side to the top end side, a top end side cleaning portion including a top end side body covering a top end side portion of the shaft portion and a plurality of top end side bristles protruding outward from an outer circumferential surface of the top end side body, and a base end side cleaning portion including a base end side body covering a portion of the shaft portion further in the base end side than the top end side body and a plurality of base end side bristles protruding outward from an outer circumferential surface of the base end side body. The top end side cleaning portion has a higher hardness than the base end side cleaning portion.
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公开(公告)号：EP2881093B1
公开(公告)日：2020-07-22
申请号：EP13825934.6
申请日：2013-07-29
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公开(公告)号：EP3520732A1
公开(公告)日：2019-08-07
申请号：EP17856500.8
申请日：2017-09-29
发明人： KASAKAWA, Kaoru
摘要： An interdental cleaning tool producing method that enables cost reduction is provided. An interdental cleaning tool producing method according to the present invention includes; a first step of preparing a mold provided with at least one first cavity for molding a cleaning tool main body including two supporting pieces that are arranged with a predetermined interval and a handle portion that couples the two supporting pieces and can be held in a hand, the mold being configured such that at least one thread member to span between the two supporting pieces can be arranged in the mold; a second step of arranging the thread member in the mold; a third step of filling the first cavity with a resin material via a gate provided in the mold using a hot runner method; and a fourth step of removing the thread member and the cleaning tool main body fixed to the thread member from the mold.
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公开(公告)号：EP3196145B8
公开(公告)日：2019-04-10
申请号：EP15826638.7
申请日：2015-07-30
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公开(公告)号：EP3395305A1
公开(公告)日：2018-10-31
申请号：EP15911381.0
申请日：2015-12-25
发明人： SAKURAI, Yuki , IGAUE, Tsuyoshi
摘要： An outer bag for disposable body warmer packaging and a disposable body warmer are provided that are excellent in a gas barrier property that inhibits permeation of oxygen gas, water vapor, and the like, which can allow swelling due to hydrogen gas generated during a storage period to be prevented.
Provided is an outer bag for disposable body warmer packaging having an accommodating potion accommodating a disposable body warmer accommodated in an air-permeable inner bag and generating heat through contact with air, the outer bag comprising a low air-permeability portion having an oxygen permeability of 1.5 to 20 cc/m 2 ·day·atm measured at 20°C and 90% RH and having a water vapor permeability of 0.05 to 10 g/m 2 ·day measured at 40°C and 90% RH; and an air-impermeable portion having an oxygen permeability of 1.3 cc/m 2 ·day·atm or lower measured at 20°C and 90% RH and a water vapor permeability of 2.0 g/m 2 ·day or lower measured at 40°C and 90% RH, wherein a ratio of an area of the low air-permeability portion to a total internal area of the accommodating portion is 15 to 75%.
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