JP6282330B2 - エスカレータ手摺 - Google Patents
エスカレータ手摺 Download PDFInfo
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- JP6282330B2 JP6282330B2 JP2016204046A JP2016204046A JP6282330B2 JP 6282330 B2 JP6282330 B2 JP 6282330B2 JP 2016204046 A JP2016204046 A JP 2016204046A JP 2016204046 A JP2016204046 A JP 2016204046A JP 6282330 B2 JP6282330 B2 JP 6282330B2
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- 229920005992 thermoplastic resin Polymers 0.000 claims description 162
- 239000002184 metal Substances 0.000 claims description 149
- 229910000831 Steel Inorganic materials 0.000 claims description 143
- 239000010959 steel Substances 0.000 claims description 143
- 239000002131 composite material Substances 0.000 claims description 31
- 238000001125 extrusion Methods 0.000 description 29
- 238000002347 injection Methods 0.000 description 13
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- 238000002844 melting Methods 0.000 description 11
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- 238000004519 manufacturing process Methods 0.000 description 5
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- 238000000354 decomposition reaction Methods 0.000 description 4
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- 239000008188 pellet Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000470 constituent Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
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- 239000000047 product Substances 0.000 description 3
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- 230000037431 insertion Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000012778 molding material Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
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- 239000000498 cooling water Substances 0.000 description 1
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- 239000000243 solution Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
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- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/131—Curved articles
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
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- B29C48/156—Coating two or more articles simultaneously
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
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- B29C48/793—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling upstream of the plasticising zone, e.g. heating in the hopper
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
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- B29C48/911—Cooling
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- 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
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
- D07B1/0606—Reinforcing cords for rubber or plastic articles
- D07B1/0613—Reinforcing cords for rubber or plastic articles the reinforcing cords being characterised by the rope configuration
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
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- D07B1/16—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
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- B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
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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
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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
- B29K2305/00—Use of metals, their alloys or their compounds, as reinforcement
- B29K2305/08—Transition metals
- B29K2305/12—Iron
-
- 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
- B29L2031/709—Articles shaped in a closed loop, e.g. conveyor belts
- B29L2031/7092—Conveyor belts
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/10—Rope or cable structures
- D07B2201/1092—Parallel strands
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
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- D07B2201/20—Rope or cable components
- D07B2201/2071—Spacers
- D07B2201/2073—Spacers in circumferencial direction
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2071—Spacers
- D07B2201/2074—Spacers in radial direction
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2075—Fillers
- D07B2201/2079—Fillers characterised by the kind or amount of filling
- D07B2201/2081—Fillers characterised by the kind or amount of filling having maximum filling
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2207/00—Rope or cable making machines
- D07B2207/40—Machine components
- D07B2207/404—Heat treating devices; Corresponding methods
- D07B2207/4059—Heat treating devices; Corresponding methods to soften the filler material
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2301/00—Controls
- D07B2301/25—System input signals, e.g. set points
- D07B2301/258—Tensile stress
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2401/00—Aspects related to the problem to be solved or advantage
- D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
- D07B2401/208—Enabling filler penetration
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2501/00—Application field
- D07B2501/20—Application field related to ropes or cables
- D07B2501/2076—Power transmissions
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Escalators And Moving Walkways (AREA)
- Ropes Or Cables (AREA)
Description
図1は本発明の実施の形態1による異形押出成形装置を示す図であり、図2は本発明の実施の形態1による金属鋼線の断面図である。図3は本発明の実施の形態1によるエスカレータ手摺の断面図であり、図4は図3の金属鋼線の周辺の拡大図である。異形押出成形装置20は、エスカレータ手摺30に仕上げる為に押出成形する押出成形部21と、押出成形中間物を冷却する冷却部23と、冷却部23を通過し硬化した押出成形中間物を引出す引出駆動部24と、エスカレータ手摺30を収納する収納部25を有する。図3に示すように、エスカレータ手摺30は、熱可塑性樹脂10と、帆布11と、金属鋼線3とを備えている。
温度(同一又はそれ以上の温度)でダイス5内に挿入することができる。金属鋼線3が、熱可塑性樹脂10の温度と同等以上の温度に維持されることによって、ダイス5内で金属鋼線3に熱可塑性樹脂10が接触した際にも熱可塑性樹脂10が金属鋼線3に熱を奪われて温度低下して固化が起きることを防ぐことができる。熱可塑性樹脂10は、金属鋼線3が熱可塑性樹脂10の温度と同等以上の温度に維持されることによって、ダイス5内においても押出成形機6から押し出された時と同等の均一な粘度及び流動性を保つことができる。
材料が、ダイス5内からエスカレータ手摺30の形に押し出され(複合材料形成工程)、その形状を維持するために冷却部23において冷却水にて強制的に冷却(強制冷却)を行う(冷却工程)。冷却後、引出駆動部24にて硬化した複合材料であるエスカレータ手摺30を引出し、エスカレータ手摺30を収納部25に収納する(収納工程)。
となるように、当該中心素線8及び当該ストランド9の延伸方向に張力をかけて、金属鋼線3を生成する金属鋼線生成工程と、金属鋼線3を溶融した熱可塑性樹脂10の温度以上に加温するプリヒート工程と、プリヒート工程にて加温された金属鋼線3と溶融した熱可塑性樹脂10を一体化し、エスカレータ手摺30の断面形状に加工されたダイス5から押し出して複合材料を形成する複合材料形成工程と、複合材料形成工程にて形成された複合材料を強制冷却する冷却工程と、を含むことを特徴とするので、熱可塑性樹脂10に対する金属鋼線3の引抜強度が向上し、引抜強度が安定化したエスカレータ手摺30、すなわち品質が向上したエスカレータ手摺30を製造することができる。
図5は本発明の実施の形態2による手摺中間生成物の断面図であり、図6は本発明の実施の形態2によるエスカレータ手摺の断面図である。実施の形態2のエスカレータ手摺30は、多層成型されたものである。実施の形態2のエスカレータ手摺30は、まず、金属鋼線3、熱可塑性樹脂10、帆布11をダイス5内で一体成形し冷却することにより、一層成型を行う。一層成型が終了したものは、手摺中間生成物26である。一層成型を行った後、剛性を持たせるため、手摺中間生成物26における帆布11と反対側である熱可塑性樹脂10の露出部27に、熱可塑性樹脂10と同じ材料である熱可塑性樹脂28を分厚く盛る多層成型を行っている。図6に示すように、実施の形態2のエスカレータ手摺30は、手摺中間生成物26と、熱可塑性樹脂28を備えている。
熱可塑性樹脂10は、押出成形機6を通ってダイス5内に注入される。実施の形態3では、押出成形機6内の温度を最適化することで、実施の形態1や実施の形態2よりも金属鋼線3への熱可塑性樹脂の充填が密で、引抜強度が強いエスカレータ手摺30について説明する。
3への熱可塑性樹脂29の充填が密になり、引抜強度が強くなる。
Claims (8)
- 金属鋼線及び熱可塑性樹脂を含む複合材料を備えたエスカレータ手摺であって、
前記金属鋼線は、一つの中心素線と、前記中心素線を囲むように配置された複数のストランドとを備え、
前記中心素線及び前記ストランドの延伸方向に垂直な当該エスカレータ手摺の断面形状又は当該エスカレータ手摺が装着されるエスカレータに対向する内面を包含する当該エスカレータ手摺の部分断面形状を形成する前記熱可塑性樹脂が、前記中心素線と前記ストランドとの間に充填されていることを特徴とするエスカレータ手摺。 - 前記中心素線及び前記ストランドは、当該中心素線及び当該ストランドの延伸方向に張力が保持されていることを特徴とする請求項1記載のエスカレータ手摺。
- 前記中心素線及び前記ストランドは、金属線材が撚り合わされた撚線であることを特徴とする請求項1または2に記載のエスカレータ手摺。
- 前記熱可塑性樹脂は、前記金属鋼線への充填の際に、分解されることなく粘度が最小値まで下がった熱可塑性樹脂であることを特徴とする請求項1から3のいずれか1項に記載のエスカレータ手摺。
- 金属鋼線及び熱可塑性樹脂を含む複合材料を備えたエスカレータ手摺であって、
前記金属鋼線は、中心素線と前記中心素線を囲むように配置された複数のストランドとを備え、
前記中心素線と前記ストランドとの間に前記熱可塑性樹脂が充填されており、
前記熱可塑性樹脂は、当該エスカレータ手摺が装着されるエスカレータに対向する内面の逆側に形成された境界面で互いに固定された、前記内面側の第一熱可塑性樹脂及び前記境界面から外側に形成された第二熱可塑性樹脂を備えており、
前記金属鋼線は、前記第一熱可塑性樹脂における前記内面と前記境界面との間に配置されており、
前記第一熱可塑性樹脂は、前記金属鋼線を覆う部分で、かつ前記金属鋼線の延伸方向に垂直な断面における前記内面に垂直な方向の前記内面から前記境界面までの膜厚が、前記金属鋼線における前記内面に垂直な方向の高さの2倍以内であることを特徴とするエスカレータ手摺。 - 前記中心素線及び前記ストランドは、当該中心素線及び当該ストランドの延伸方向に張力が保持されていることを特徴とする請求項5記載のエスカレータ手摺。
- 前記中心素線及び前記ストランドは、金属線材が撚り合わされた撚線であることを特徴とする請求項5または6に記載のエスカレータ手摺。
- 前記第一熱可塑性樹脂は、前記金属鋼線への充填の際に、分解されることなく粘度が最小値まで下がった熱可塑性樹脂であることを特徴とする請求項5から7のいずれか1項に記載のエスカレータ手摺。
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Application Number | Priority Date | Filing Date | Title |
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JP2013199496 | 2013-09-26 | ||
JP2013199496 | 2013-09-26 |
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Application Number | Title | Priority Date | Filing Date |
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US9981415B2 (en) | 2007-09-10 | 2018-05-29 | Ehc Canada, Inc. | Method and apparatus for extrusion of thermoplastic handrail |
RU2717807C2 (ru) | 2015-05-07 | 2020-03-25 | ИЭйчСи Канада, Инк. | Компактный поручень из композитного материала с улучшенными механическими характеристиками |
CN106335167A (zh) * | 2016-10-24 | 2017-01-18 | 丁骏 | 热塑材料电梯扶手带的生产方法 |
CN106738753A (zh) * | 2016-12-13 | 2017-05-31 | 上海巨龙橡塑制品有限公司 | 聚氨酯电梯扶手带制造流水线 |
CN109531968B (zh) * | 2018-10-26 | 2020-09-15 | 海安亚鼎机电制造有限公司 | 扶梯扶手的构造方式 |
CN109177014A (zh) * | 2018-10-30 | 2019-01-11 | 海安亚鼎机电制造有限公司 | 扶梯零件的加工方式 |
CN109435197A (zh) * | 2018-10-30 | 2019-03-08 | 海安亚鼎机电制造有限公司 | 扶梯部件的制造工艺 |
CN114270976A (zh) * | 2019-08-16 | 2022-04-01 | 华为技术有限公司 | 通信处理方法以及通信处理装置 |
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KR20190137966A (ko) | 2019-12-11 |
US20190329475A1 (en) | 2019-10-31 |
CN105555700A (zh) | 2016-05-04 |
KR101902085B1 (ko) | 2018-11-05 |
JP6029766B2 (ja) | 2016-11-24 |
US20160200023A1 (en) | 2016-07-14 |
JP2018065698A (ja) | 2018-04-26 |
KR20180105739A (ko) | 2018-09-28 |
US10399265B2 (en) | 2019-09-03 |
DE112014004423T5 (de) | 2016-06-16 |
CN107571475A (zh) | 2018-01-12 |
JPWO2015046041A1 (ja) | 2017-03-09 |
CN107571475B (zh) | 2020-04-28 |
KR102208025B1 (ko) | 2021-01-26 |
CN105555700B (zh) | 2017-09-29 |
JP6509389B2 (ja) | 2019-05-08 |
JP2017007868A (ja) | 2017-01-12 |
US11207814B2 (en) | 2021-12-28 |
WO2015046041A1 (ja) | 2015-04-02 |
KR20160045886A (ko) | 2016-04-27 |
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