WO2022201297A1 - エスカレーター - Google Patents
エスカレーター Download PDFInfo
- Publication number
- WO2022201297A1 WO2022201297A1 PCT/JP2021/011950 JP2021011950W WO2022201297A1 WO 2022201297 A1 WO2022201297 A1 WO 2022201297A1 JP 2021011950 W JP2021011950 W JP 2021011950W WO 2022201297 A1 WO2022201297 A1 WO 2022201297A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- handrail
- resin layer
- antibacterial agent
- roller
- antibacterial
- Prior art date
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- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 58
- 229920005989 resin Polymers 0.000 claims abstract description 50
- 239000011347 resin Substances 0.000 claims abstract description 50
- 229910052751 metal Inorganic materials 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 21
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 15
- 229920001971 elastomer Polymers 0.000 claims description 13
- 229910021645 metal ion Inorganic materials 0.000 claims description 13
- 239000005060 rubber Substances 0.000 claims description 10
- 229910052709 silver Inorganic materials 0.000 claims description 9
- 239000004332 silver Substances 0.000 claims description 9
- 238000010828 elution Methods 0.000 claims description 8
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 229910021536 Zeolite Inorganic materials 0.000 claims description 2
- 239000001506 calcium phosphate Substances 0.000 claims description 2
- 229910000389 calcium phosphate Inorganic materials 0.000 claims description 2
- 235000011010 calcium phosphates Nutrition 0.000 claims description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 2
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims description 2
- 239000010457 zeolite Substances 0.000 claims description 2
- 229910000166 zirconium phosphate Inorganic materials 0.000 claims description 2
- LEHFSLREWWMLPU-UHFFFAOYSA-B zirconium(4+);tetraphosphate Chemical compound [Zr+4].[Zr+4].[Zr+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LEHFSLREWWMLPU-UHFFFAOYSA-B 0.000 claims description 2
- 229910010272 inorganic material Inorganic materials 0.000 claims 1
- 239000011147 inorganic material Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 52
- 230000000844 anti-bacterial effect Effects 0.000 description 27
- 241000894006 Bacteria Species 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 7
- 239000004744 fabric Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000000835 fiber Substances 0.000 description 6
- 238000004898 kneading Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 230000002688 persistence Effects 0.000 description 4
- 229920001084 poly(chloroprene) Polymers 0.000 description 4
- 239000004721 Polyphenylene oxide Substances 0.000 description 3
- 230000000845 anti-microbial effect Effects 0.000 description 3
- 229920006231 aramid fiber Polymers 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 239000000806 elastomer Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920000570 polyether Polymers 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- -1 silver ions Chemical class 0.000 description 3
- 229920002955 Art silk Polymers 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- 229920006347 Elastollan Polymers 0.000 description 2
- 241000233866 Fungi Species 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 2
- 239000004599 antimicrobial Substances 0.000 description 2
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 229920002681 hypalon Polymers 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920005749 polyurethane resin Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002964 rayon Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 108010052285 Membrane Proteins Proteins 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 230000003655 tactile properties Effects 0.000 description 1
- 229920002397 thermoplastic olefin Polymers 0.000 description 1
- 229920006345 thermoplastic polyamide Polymers 0.000 description 1
- 229920006346 thermoplastic polyester elastomer Polymers 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B23/00—Component parts of escalators or moving walkways
- B66B23/02—Driving gear
- B66B23/04—Driving gear for handrails
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B23/00—Component parts of escalators or moving walkways
- B66B23/22—Balustrades
- B66B23/24—Handrails
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B31/00—Accessories for escalators, or moving walkways, e.g. for sterilising or cleaning
- B66B31/02—Accessories for escalators, or moving walkways, e.g. for sterilising or cleaning for handrails
Definitions
- This disclosure relates to escalators.
- escalators, autolines, etc. installed in buildings such as department stores, stations, airports, etc. are equipped with handrails called handrails in order to transport passengers stably. Passengers are also expected to hold on to the handrail while using the escalator for safety.
- Patent Document 1 Japanese Patent Laid-Open No. 10-72181 discloses a handrail containing an antibacterial agent in the decorative layer (first resin layer), and even when used in hospitals, etc., the handrail does not pass through. It is described that it is possible to reduce or eliminate the generation of foul odors caused by nosocomial infections and bacteria adhesion.
- Patent Document 2 Japanese Unexamined Patent Application Publication No. 2001-310997 discloses a rotating part made of polyurethane resin containing an antibacterial agent, which is not for escalator handrails, but is used in medical facilities such as hospitals. It is described that contamination by bacteria can be effectively prevented when applied as pulleys and rollers for beds, wheel chair casters, transport devices in food factories and pharmaceutical factories.
- JP-A-10-72181 Japanese Patent Application Laid-Open No. 2001-310997
- the present disclosure has been made in view of the above problems, and aims to improve the antibacterial sustainability of handrails in escalators.
- An escalator comprising a handrail and rollers contacting the handrail,
- the handrail comprises a first resin layer covering the surface of the handrail,
- the roller comprises a second resin layer covering the surface of the roller,
- the escalator wherein the first resin layer and the second resin layer contain an antibacterial agent.
- a non-eluting antibacterial agent is added to the first resin layer of the handrail, and an elution antibacterial agent is added to the second resin layer of the roller, so that the antibacterial sustainability of the handrail can be improved.
- FIG. 1 is a schematic diagram showing an example of an escalator system according to Embodiment 1.
- FIG. 2 is a schematic cross-sectional view showing an example of a handrail drive unit according to Embodiment 1.
- FIG. 3 is an enlarged perspective view showing an example of a roller according to Embodiment 1.
- an escalator 10 of the present disclosure comprises a handrail 1 and a pressure roller 3 that contacts at least the outer surface of the handrail 1 .
- the escalator 10 employs a roller drive type handrail drive device, and the handrail 1 is sandwiched between the drive roller 2 and the pressure roller 3, and the handrail 1 is sent out by rotating the drive roller 2.
- the handrail of the present disclosure is a member used as a handrail for escalator passengers.
- the handrail 100 includes a base layer 12 provided on the side in contact with a guide rail (not shown) and a first resin layer covering the outer surface of the base layer 12 (opposite side of the guide rail). a layer 11;
- the handrail 100 includes, for example, a back portion arranged on a guide rail (handrail of a passenger conveyor) and a pair of side portions extending downward from both ends of the back portion. and a pair of ear portions protruding from the lower ends of the pair of side portions in a direction toward each other.
- the cross-sectional shape of the handrail 100 is, for example, C-shaped as shown in FIG.
- the back of the handrail 100 circulates along the guide rail (not shown) while being engaged with the top of the guide rail (not shown) having, for example, a T-shaped cross section.
- the base layer 12 includes at least one reinforcing cloth 12a. Note that in FIG. 2, the base layer 12 further includes a tensile member 13 embedded along the length of the base layer 12 . However, the tension body 13 may be embedded in the first resin layer 11 .
- the escalator of the present disclosure employs a roller-driven handrail drive device.
- the pressure roller 14 supported by the handrail 100 and the support shaft 15 is shown in are arranged so that they can be
- first resin layer As the material of the first resin layer 11, it is preferable to use rubber or urethane, which has excellent tactile properties, stain resistance, bending fatigue resistance, repeated elongation resistance, and colorability.
- Such rubber is not particularly limited, for example, synthetic rubber such as chlorosulfonated polyethylene (CSM), chloroprene rubber (CR), styrene-butanediene rubber (SBR), or natural rubber can be used.
- CSM chlorosulfonated polyethylene
- CR chloroprene rubber
- SBR styrene-butanediene rubber
- thermoplastic polyurethane elastomers such as polyether urethane and polyester urethane can be used.
- the rubber or urethane compounding agent is appropriately added to the first resin layer 11 to prevent water absorption into the inside of the handrail 100 so as to reduce the water absorption. Select is preferred.
- bacteria, fungi, etc. propagate due to contamination such as fingerprints of passengers getting on and off. Therefore, it is preferable to blend an antibacterial agent with the rubber or urethane.
- the first resin layer 11 contains an antibacterial agent, and the antibacterial agent is preferably a non-eluting antibacterial agent.
- the non-eluting antibacterial agent is an antibacterial agent that does not elute the antibacterial component from the substrate.
- Non-eluting antibacterial agents include those obtained by supporting a metal or metal ion exhibiting antibacterial activity on a carrier such as an inorganic carrier or an organic carrier. A non-eluting metallic inorganic antibacterial agent that is supported is preferred.
- Non-eluting metal-based inorganic antibacterial agents do not elute metals or metal ions supported on inorganic carriers only by absorbing moisture. Oxygen kills bacteria.
- the non-eluting metal-based inorganic antibacterial agent does not release metal ions and has excellent antibacterial durability, and is therefore preferable for use in the first resin layer of handrails that are used for a long period of time.
- the metal or metal ion is not particularly limited as long as it has an antibacterial effect, but silver, copper, zinc and the like can be mentioned. From the viewpoint of antibacterial activity, silver is preferred.
- the inorganic carrier preferably contains at least one selected from the group consisting of silica gel, calcium phosphate and zirconium phosphate as a main component.
- the content of the non-eluting antibacterial agent is 0.01% by mass or more, may be 0.05% by mass or more, or 0 .1% by mass or more, 0.5% by mass or more, or 1.0% by mass or more. This is because if the metal component in the non-eluting antibacterial agent is less than 0.01% by mass with respect to the first resin layer 11, a sufficient antibacterial effect cannot be obtained.
- the content of the entire non-eluting antibacterial agent is 15% by mass or less, may be 10% by mass or less, or may be 5.0% by mass or less. It may be 3.0% by mass or less, or 1.0% by mass or less. This is because the physical properties of the first resin layer 11 deteriorate when the total content of the non-eluting antibacterial agent exceeds 15% by mass.
- a kneading method for kneading the rubber or urethane containing the non-eluting antibacterial agent for rubber, a well-known kneader such as a Banbury mixer, a tumbler, a pressure kneader, a kneading extruder, an open roll, etc.
- a method of uniform kneading using a kneading extruder can be used.
- the base layer 12 may be formed of a plurality of reinforcing cloths 12a.
- the constituent material of the reinforcing cloth 12a is not particularly limited, and for example, cotton fabric (canvas) or chemical fiber fabric such as polyester fiber or aramid fiber can be used.
- cotton fabric canvas
- chemical fiber fabric such as polyester fiber or aramid fiber
- chemical fiber fabrics are more preferable than cotton fabrics.
- the tensile member 13 is not particularly limited, and can be made of metal such as steel cord or steel tape, or made of chemical fiber such as aramid fiber or strong artificial silk (rayon).
- metal such as steel cord or steel tape
- chemical fiber such as aramid fiber or strong artificial silk (rayon).
- synthetic fibers such as aramid fiber or strong artificial silk (rayon). It is more desirable to use the
- the tensile body consists of one layer.
- the escalator handrail has a curved portion, so it must be flexible enough to bend.
- the handrail may have more than one layer of tensile strength provided it does not lose its flexibility.
- the material of the tensile body for example, metal (stainless steel, iron, etc.), chemical fiber, etc. can be used.
- metal stainless steel, iron, etc.
- chemical fibers a plurality of tensile members may be arranged because the flexibility of the tensile members can be ensured.
- a roller of the present disclosure is a member used as a pressure roller for an escalator.
- the pressure roller 16 includes a boss 18 and a second resin layer 17 provided on the outer periphery of the boss 18 .
- the material of the second resin layer 17 is not particularly limited, but for example, synthetic rubber such as chlorosulfonated polyethylene (CSM), chloroprene rubber (CR), styrene-butanediene rubber (SBR), or natural rubber may be used. can be done.
- Thermoplastic elastomers such as thermoplastic polyurethane elastomers, thermoplastic polyolefin elastomers, thermoplastic polyester elastomers, and thermoplastic polyamide elastomers may also be used.
- a synthetic resin having a type A durometer hardness of 60 or more and 95 or less is preferable. If the type A durometer hardness is less than 60, the durability of the roller may be low. If the type A durometer hardness exceeds 95, it may scratch the handrail surface.
- the type A durometer hardness is hardness measured by a type A durometer specified in JIS-K6253.
- bacteria, fungi, etc. adhere to the handrail due to contamination such as fingerprints of passengers getting on and off, and they come into contact with the roller and are transferred to the roller. Therefore, it is preferable to add an antibacterial agent to the second resin layer 17 .
- the second resin layer 17 contains an antibacterial agent
- the drive roller may contain an antibacterial agent.
- an elution type antibacterial agent is preferred.
- the elution-type antibacterial agent is an antibacterial agent that elutes the antibacterial component from the base material.
- elution-type antibacterial agents include those in which a metal or metal ion that exhibits antibacterial activity is supported on a carrier such as an inorganic carrier or an organic carrier, and a metal or metal ion that exhibits antibacterial activity is supported on an inorganic carrier.
- An elution-type metallic inorganic antibacterial agent obtained by
- Elution-type metal-based inorganic antibacterial agents elute metals or metal ions supported on inorganic carriers by absorbing moisture, and the eluted metal ions bind to the cell membranes and membrane proteins of bacteria, causing damage and inhibiting the functions of bacteria.
- inhibit and kill Elution-type metal-based inorganic antibacterial agents release metal ions, so they are excellent in antibacterial properties.
- the metal ions disappear, the antibacterial durability is shorter than that of non-eluting metal-based inorganic antibacterial agents. It is even more preferable because it can be transferred to a handrail that is attached.
- the metal or metal ion is not particularly limited as long as it has an antibacterial effect, but silver, copper, zinc and the like can be mentioned. From the viewpoint of antibacterial activity, silver is preferred.
- the inorganic carrier preferably contains at least one selected from the group consisting of zeolite and glass as a main component.
- the content of the elution-type antibacterial agent is 0.01% by mass or more, and may be 0.05% by mass or more, or 0.1 It may be at least 0.5% by mass, or at least 1.0% by mass. This is because if the metal component in the elution type antibacterial agent is less than 0.01% by mass with respect to the second resin layer 17, sufficient antibacterial effect is not observed.
- the content of the entire elution-type antibacterial agent is 40% by mass or less, may be 35% by mass or less, may be 30% by mass or less, or may be 25% by mass or less. % by mass or less, or 20% by mass or less. This is because the physical properties of the second resin layer 17 deteriorate when the total content of the non-eluting antibacterial agent exceeds 40% by mass.
- the method of molding the roller containing the elution-type antibacterial agent is not particularly limited, but first, the material that will be the boss 18 is put into the mold in advance, and the mixture of the resin and the antibacterial agent is put into the mold. It is preferable to mold with
- the second resin layer 17 can adopt a form in which the elution type antibacterial agent is contained in the entire second resin layer, or a form in which it is contained only in the surface layer portion of the second resin layer.
- the handrail uses a non-eluting antibacterial agent, which has the effect of preventing the deterioration of the adhesion between each layer and the corrosion of the tensile members due to water absorption.
- the pressure roller uses an elution-type antibacterial agent, the pressure roller itself is antibacterial, and the eluted metal component is transferred to the handrail, which improves the antibacterial and antibacterial durability of the handrail. improves.
- Example 1 Comparative Examples 1 to 3> (Preparation of simulated urethane sheet for first resin layer of handrail)
- Thermoplastic polyether urethane (TPU) manufactured by BASF, trade name: Elastollan 1190ATR
- BASF trade name: Elastollan 1190ATR
- an injection molding machine manufactured by Nissei Plastic Industry Co., Ltd., NEX140
- handrail sheets simulated urethane sheets of the first resin layer of the handrails of Example 1 and Comparative Examples 1 to 3.
- Basic conditions for injection molding were a cylinder temperature of 210° C., a mold temperature of 40° C., and an injection speed of 50 mm/s.
- Thermoplastic polyether urethane (TPU) (manufactured by BASF, trade name: Elastollan 1190ATR) was mixed with each component in the composition ratio shown in Table 1, and an injection molding machine (manufactured by Nissei Plastic Industry Co., Ltd., NEX140) ) was used to prepare a simulated urethane sheet (hereinafter referred to as “roller sheet”) of the second resin layer of the rollers of Example 1 and Comparative Examples 1 to 3.
- Basic conditions for injection molding were a cylinder temperature of 210° C., a mold temperature of 40° C., and an injection speed of 50 mm/s.
- Example 1 and Comparative Examples 1 to 3 were evaluated as follows. Each of the handrail sheets and the roller sheets used had a length of 10 cm, a width of 10 cm, and a thickness of 2 mm.
- the handrail sheet uses a non-eluting antibacterial agent, but the roller sheet does not contain an antibacterial agent. Contact use of the sheet does not improve the antimicrobial persistence of the handrail sheet.
- the roller sheet does not contain an antibacterial agent, and the handrail sheet uses an elution type glass antibacterial agent as the antibacterial agent for the handrail sheet.
- the antibacterial durability of the handrail sheet is not improved.
Landscapes
- Escalators And Moving Walkways (AREA)
Abstract
Description
前記ハンドレールは、前記ハンドレールの表面を覆う第一樹脂層を備え、
前記ローラは、前記ローラの表面を覆う第二樹脂層を備え、
前記第一樹脂層および前記第二樹脂層は、抗菌剤を含有している、エスカレーター。
<エスカレーター>
図1を参照して、本開示のエスカレーター10は、ハンドレール1、および、少なくともハンドレール1の外表面に接触する加圧ローラ3を備える。
本開示のハンドレールは、エスカレーターの乗客の手すりとして用いられる部材である。
第一樹脂層11の材料としては、良好な触感性、耐汚染性、耐屈曲疲労、耐繰返し伸長、および着色性に優れたゴムまたはウレタンを用いることが好ましい。
基体層12は、複数枚の補強布12aにより形成されていてもよい。
本開示のローラは、エスカレーターの加圧ローラとして用いられる部材である。
第二樹脂層17の材料としては、特に限定されないが、例えば、クロロスルホン化ポリエチレン(CSM)、クロロプレンゴム(CR)、スチレンブタンジエンゴム(SBR)等の合成ゴム、または、天然ゴムを用いることができる。また、熱可塑性ポリウレタンエラストマー、熱可塑性ポリオレフィンエラストマー、熱可塑性ポリエステルエラストマー、熱可塑性ポリアミドエラストマー等の熱可塑性エラストマーを用いてもよい。
(ハンドレールの第一樹脂層の模擬ウレタンシートの作製)
熱可塑性ポリエーテルウレタン(TPU)(BASF社製、商品名:エラストラン1190ATR)に、表1に示す組成の割合の各成分を混合し、射出成形機(日精樹脂工業(株)社製、NEX140)を用いて実施例1および比較例1~3のハンドレールの第一樹脂層の模擬ウレタンシート(以下、「ハンドレールシート」と記載する。)を作製した。射出成形の基本条件としては、シリンダー温度を210℃、金型温度を40℃、射出速度を50mm/sとした。
熱可塑性ポリエーテルウレタン(TPU)(BASF社製、商品名:エラストラン1190ATR)に、表1に示す組成の割合の各成分を混合し、射出成形機(日精樹脂工業(株)社製、NEX140)を用いて実施例1および比較例1~3のローラの第二樹脂層の模擬ウレタンシート(以下、「ローラシート」と記載する。)を作製した。射出成形の基本条件としては、シリンダー温度を210℃、金型温度を40℃、射出速度を50mm/sとした。
実施例1および比較例1~3の各ハンドレールシートおよび各ローラシートについて、以下の評価を行った。なお、上記各ハンドレールシートおよび上記各ローラシートは、縦10cm×横10cm×厚み2mmのものを使用した。
Claims (4)
- ハンドレール、および、前記ハンドレールに接触するローラを備えるエスカレーターであって、
前記ハンドレールは、前記ハンドレールの表面を覆う第一樹脂層を備え、
前記ローラは、前記ローラの表面を覆う第二樹脂層を備え、
前記第一樹脂層および前記第二樹脂層は、抗菌剤を含有している、エスカレーター。 - 前記第一樹脂層に含まれる抗菌剤は、非溶出型抗菌剤であり、
前記第二樹脂層に含まれる抗菌剤は、溶出型抗菌剤である、請求項1に記載のエスカレーター。 - 前記非溶出型抗菌剤は、銀、銅および亜鉛からなる群から選択される少なくとも1種の金属または金属イオンを、シリカゲル、リン酸カルシウムおよびリン酸ジルコニウムからなる群から選択される少なくとも1種の無機系担体に担持してなり、
前記溶出型抗菌剤は、銀、銅および亜鉛からなる群から選択される少なくとも1種の金属または金属イオンを、ゼオライトおよびガラスからなる群から選択される少なくとも1種の無機系担体に担持してなる、請求項2に記載のエスカレーター。 - 前記第一樹脂層は、ゴムまたはウレタンを含み、
前記第二樹脂層は、ゴムまたは熱可塑性エラストマーを含む、請求項1~3のいずれか1項に記載のエスカレーター。
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PCT/JP2021/011950 WO2022201297A1 (ja) | 2021-03-23 | 2021-03-23 | エスカレーター |
CN202180095888.XA CN117043095A (zh) | 2021-03-23 | 2021-03-23 | 自动扶梯 |
JP2021545453A JP6961134B1 (ja) | 2021-03-23 | 2021-03-23 | エスカレーター |
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PCT/JP2021/011950 WO2022201297A1 (ja) | 2021-03-23 | 2021-03-23 | エスカレーター |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1072181A (ja) * | 1996-06-25 | 1998-03-17 | Hitachi Cable Ltd | ハンドレール |
JP2001310997A (ja) * | 2000-02-23 | 2001-11-06 | Cci Corp | 抗菌性回転部品 |
JP2018008757A (ja) * | 2016-07-11 | 2018-01-18 | 株式会社日立ビルシステム | ハンドレール駆動装置の検査装置、ハンドレール駆動装置の検査システム、ハンドレール駆動装置の検査方法及び乗客コンベア |
JP2018065687A (ja) * | 2016-10-18 | 2018-04-26 | エーディ・コミュニケーション株式会社 | エスカレーターの転倒事故防止用手摺ベルト |
-
2021
- 2021-03-23 CN CN202180095888.XA patent/CN117043095A/zh active Pending
- 2021-03-23 WO PCT/JP2021/011950 patent/WO2022201297A1/ja active Application Filing
- 2021-03-23 JP JP2021545453A patent/JP6961134B1/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1072181A (ja) * | 1996-06-25 | 1998-03-17 | Hitachi Cable Ltd | ハンドレール |
JP2001310997A (ja) * | 2000-02-23 | 2001-11-06 | Cci Corp | 抗菌性回転部品 |
JP2018008757A (ja) * | 2016-07-11 | 2018-01-18 | 株式会社日立ビルシステム | ハンドレール駆動装置の検査装置、ハンドレール駆動装置の検査システム、ハンドレール駆動装置の検査方法及び乗客コンベア |
JP2018065687A (ja) * | 2016-10-18 | 2018-04-26 | エーディ・コミュニケーション株式会社 | エスカレーターの転倒事故防止用手摺ベルト |
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