JP2018529510A - 製品計量装置 - Google Patents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
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- B05C11/06—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with a blast of gas or vapour
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/023—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/08—Rearranging applied substances, e.g. metering, smoothing; Removing excess material
- D21H25/16—Rearranging applied substances, e.g. metering, smoothing; Removing excess material with a blast of vapour or gas, e.g. air knife
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H5/00—Special paper or cardboard not otherwise provided for
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- D21H5/006—Controlling or regulating
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- D21H5/007—Regulating the amount or the distribution, e.g. smoothing, of essentially fluent material already applied to the paper; Recirculating excess coating material applied to paper with a blast of gas or vapour, e.g. air knife
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
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Abstract
【選択図】図2
Description
Claims (20)
- 製品計量装置であり、前記製品計量装置は、エアカーテンを前記製品計量装置に対して移動可能な表面に向けることで、前記表面を覆う流動性の製品の深さを調整し又は前記製品を均し、
前記製品計量装置は、
内部チャンバを有する本体と、
前記チャンバをガスの供給源に超過雰囲気圧力下で接続する入り口と、
前記チャンバと連通し、口元を有する開口部と、を含み、
ガスが前記チャンバから前記口元を通って前記表面に向かって放出されて前記エアカーテンを形成し、
多孔性又は網目状の流れ調整膜が、前記製品計量装置の前記本体に固定され又は前記製品計量装置の前記本体と一体に形成され、前記製品計量装置の前記本体が前記開口部の前記口元を通って放出される前記ガスの通路に位置する、製品計量装置。 - 温度が25℃であり、前記ガスが空気であり、前記製品計量装置と前記表面との間の距離が実質的に無限大である外界状態において、前記前記流れ調整膜が前記チャンバに対して最小背圧を発生させ、圧力差ΔP-amが少なくとも0.2バール、少なくとも0.4バール、少なくとも0.7バール、少なくとも1バール、少なくとも1.5バール、少なくとも2バール、少なくとも3バール、少なくとも5バール、少なくとも10バール又は少なくとも20バールであるように、前記流れ調整膜が設計されて構成され、
前記圧力差ΔP-amは、 ΔP-am = Pchamber-am − Pambient と定義され、
ここでPchamber-amは前記チャンバの圧力であり、Pambientは周囲圧力である、請求項1に記載の製品計量装置。 - 前記製品計量装置が前記外界状態であり、前記調整膜が前記製品計量装置から分離されている状態で、無膜圧力差ΔPmlが、 ΔPml = Pchamber-ml − Pambient と定義されるとともに、圧力差比RΔPが、 RΔP =ΔP-am / ΔPml と定義され、
ここでPchamber-mlは膜がない場合の前記チャンバの背圧であり、
前記圧力差比が少なくとも7、少なくとも10、少なくとも15、少なくとも20、少なくとも30、少なくとも50又は少なくとも100である、請求項2に記載の製品計量装置。 - 前記製品の層を担持する表面と向かい合って配置されるときに、前記開口部の前記口元と、前記表面との間の距離は2ミリメートル未満、又は1.5ミリメートル未満、又は1ミリメートル未満、又は0.5ミリメートル未満である、請求項1−3のいずれか一項に記載の製品計量装置。
- 前記エアカーテンが実質的に乱れなく前記製品計量装置と前記表面との間の隙間を流れて、前記製品計量装置の下流側で前記表面を覆う製品の深さを一様とし、任意に、被覆の深さの変動が前記被覆の平均深さの10パーセント未満、又は5パーセント未満、又は2パーセント未満、又は1パーセント未満である、請求項4に記載の製品計量装置。
- 前記流れ調整膜が、金属、セラミック、シリカ又はプラスチック材料の少なくとも1つでできたシートで形成され、前記シートは50マイクロメートル以下、30マイクロメートル以下、又は20マイクロメートル以下の直径を有する微細孔を含む、請求項1−5のいずれか一項に記載の製品計量装置。
- 前記流れ調整膜が、金属繊維、セラミック繊維、シリカ繊維又はプラスチック繊維の少なくとも1つで形成されたメッシュであり、隣接する繊維同士の間の開口が50マイクロメートル以下、30マイクロメートル以下、又は20マイクロメートル以下となるように前記繊維が密集している、請求項1−5のいずれか一項に記載の製品計量装置。
- 前記流れ調整膜が、直径が50マイクロメートル以下、30マイクロメートル以下、又は20マイクロメートル以下であるマイクロ孔を有する、耐圧マイクロ孔膜で形成され、前記流れ調整膜は、金属、セラミック、シリカ又はプラスチック材料の少なくとも1つでできている、請求項1−5のいずれか一項に記載の製品計量装置。
- 微細孔の直径、隣接する繊維同士の間の開口及びマイクロ孔の直径が、10マイクロメートル以下であるとともに、10ナノメートル以上又は100ナノメートル以上である、請求項6−8のいずれか一項に記載の製品計量装置。
- 前記流れ調整膜が疎水性物質で形成される、請求項1−9のいずれか一項に記載の製品計量装置。
- 前記流れ調整膜が親水性物質で形成される、請求項1−9のいずれか一項に記載の製品計量装置。
- 前記流れ調整膜は、エチレン−酢酸ビニル(EVA)、高密度ポリエチレン(HDPE)、ポリアミド(PA)、ポリカーボネート(PC)、ポリエチレン(PE)、ポリエーテルスルホン(PES)、ポリエステル(PET)、ポリプロピレン(PP)、ポリテトラフルオロエチレン(PTFE)、ポリウレタン(PU又はTPU)、ポリフッ化ビニリデン(PVDF)及び超高分子量ポリエチレン(UHMWPE)の少なくとも1つを含む群から選択されるプラスチック材料で形成されている、請求項1−11のいずれか一項に記載の製品計量装置。
- 前記流れ調整膜が、300−600マイクロメートルの範囲内又は300−450マイクロメートルの範囲内の厚さを有する、請求項1−12のいずれか一項に記載の製品計量装置。
- 前記流れ調整膜の重量が、100-1200 g/m2の範囲内、100-300 g/m2の範囲内又は140-180 g/m2の範囲内である、請求項1−13のいずれか一項に記載の製品計量装置。
- 前記流れ調整膜の密度が、0.3-8 g/cm3の範囲内、0.3-5 g/cm3の範囲内又は0.33-0.38 g/cm3の範囲内である、請求項1−14のいずれか一項に記載の製品計量装置。
- 前記流れ調整膜にわたる圧力差が約1,000 kPaであるときに、気体流量が0.01リットル/分/mm2−5リットル/分/mm2の範囲内、0.1リットル/分/mm2−3リットル/分/mm2の範囲内、又は1リットル/分/mm2−2リットル/分/mm2の範囲内であるような流れ抵抗を前記流れ調整膜が有する、請求項1−15のいずれか一項に記載の製品計量装置。
- 前記流れ調整膜は、前記本体の外表面の形状に適合するように予備成形され、前記本体に機械的に又は接着剤によって固定される、請求項1−16のいずれか一項に記載の製品計量装置。
- 表面に流動性の製品の一様な被覆を施すシステムであり、前記システムにおいて、過剰な前記製品が前記表面に配置され、前記表面を製品計量装置の下に移動させて、エアカーテンを前記表面に向けて前記製品を前記表面上に一様に広げて所望の被覆深さを達成し、
前記製品計量装置は、
内部チャンバを有する本体と、
前記チャンバをガスの供給源に超過雰囲気圧力下で接続する入り口と、
前記チャンバと連通し、口元を有する開口部と、を含み、
ガスが前記チャンバから前記口元を通って前記表面に向かって放出されて前記エアカーテンを形成し、
多孔性又は網目状の流れ調整膜が、前記製品計量装置の前記本体に固定され又は前記製品計量装置の前記本体と一体に形成され、前記開口部の前記口元を通って放出される前記ガスの通路に位置する、システム。 - 開口部の前記口元と前記表面との間の距離が2ミリメートル未満、又は1.5ミリメートル未満、又は1ミリメートル未満、又は0.5ミリメートル未満である、請求項18に記載のシステム。
- 前記エアカーテンが実質的に乱れなく前記製品計量装置と前記表面との間の隙間を流れて、前記製品計量装置の下流側で前記表面を覆う製品の深さを一様とし、任意に、被覆の深さの変動が前記被覆の平均深さの10パーセント未満、又は5パーセント未満、又は2パーセント未満、又は1パーセント未満である、請求項18又は19に記載のシステム。
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PCT/IB2016/054933 WO2017029623A1 (en) | 2015-08-17 | 2016-08-17 | Product metering device |
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CN107921465A (zh) | 2018-04-17 |
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JP6859318B2 (ja) | 2021-04-14 |
GB201514620D0 (en) | 2015-09-30 |
EP3337623A1 (en) | 2018-06-27 |
US10583453B2 (en) | 2020-03-10 |
EP3337623B1 (en) | 2019-12-18 |
US20180200748A1 (en) | 2018-07-19 |
US11305310B2 (en) | 2022-04-19 |
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