JP2004141004A - Apparatus and method for sprinkling powder - Google Patents

Apparatus and method for sprinkling powder Download PDF

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Publication number
JP2004141004A
JP2004141004A JP2002306460A JP2002306460A JP2004141004A JP 2004141004 A JP2004141004 A JP 2004141004A JP 2002306460 A JP2002306460 A JP 2002306460A JP 2002306460 A JP2002306460 A JP 2002306460A JP 2004141004 A JP2004141004 A JP 2004141004A
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powder
salt
vacuum
pipe
container
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JP3708918B2 (en
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Makoto Suzuki
鈴木 允
Eiichi Suzuki
鈴木 栄一
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L7/00Cereal-derived products; Malt products; Preparation or treatment thereof
    • A23L7/10Cereal-derived products
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L21/00Marmalades, jams, jellies or the like; Products from apiculture; Preparation or treatment thereof
    • A23L21/20Products from apiculture, e.g. royal jelly or pollen; Substitutes therefor
    • A23L21/25Honey; Honey substitutes
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L27/00Spices; Flavouring agents or condiments; Artificial sweetening agents; Table salts; Dietetic salt substitutes; Preparation or treatment thereof
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23PSHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
    • A23P10/00Shaping or working of foodstuffs characterised by the products
    • A23P10/40Shaping or working of foodstuffs characterised by the products free-flowing powder or instant powder, i.e. powder which is reconstituted rapidly when liquid is added

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  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Cereal-Derived Products (AREA)
  • Formation And Processing Of Food Products (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide an apparatus and a method for sprinkling powder designed so as to uniformly sprinkle a predetermined amount of salt on Onigiri (rice-ball). <P>SOLUTION: The apparatus has the following structure: a salt container 1 communicates with one end of a salt flowout pipeline 2, a salt ejection nozzle 22 is provided at another end of the pipeline 2, and a vacuum generation device 3 and a vacuum break pressurization air supply pipeline 5 are connected each at the halfway portion of the pipeline 2 via ejector function. The apparatus works as follows: the vacuum generation device 3 is operated to suck salt into the pipeline 2 from the salt container 1 and eject the salt out of the nozzle 22; pressurized air is supplied to the pipeline 2 from the vacuum break pressurization air supply pipeline 5 in timing the vacuum generation device 3 stops so as to instantaneously break the vacuum in the pipeline 2 and simultaneously push the salt remaining in the pipeline 2 back to the inside of the container 1; and further, the predetermined amount of the salt is ejected out of the nozzle 22 according to the operation time every time the vacuum generation device 3 operates. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【発明の属する分野】
本発明は、塩、こしょう等の粉状調味料、その他の粉体を自動的に振り掛ける装置に関するものである。
【0002】
【従来の技術及び発明が解決しようとする課題】
手で握るおにぎりは、手に塩をつけておくことにより、おにぎりに塩味を施している。
コンビニエンスストア−で販売されている包装おにぎりにも塩味が施こされているが、それはおにぎりに塩を振り掛けたものではなく、塩を加えて炊飯した米飯をおにぎりにしたものである。
この理由は、型押し成形されるおにぎりに均一に塩を振り掛けるには、塩を高い位置からおにぎりに向けて落下させることが必要であるが、塩の量を一定にすることが難しく、又、高い位置から塩を落下させると時間が掛かり、作業能率が悪いためである。
但し、米を炊く段階で塩味をつけたものと、おにぎりに塩を振り掛けたものとでは、後者の方が塩の風味があり美味しく感じる。
【0003】
そこで出願人は、図5に示す塩振り装置を試作した。これは、塩を収容した容器(1)に管路(2)の一端(2a)を連通させ、管路(2)の他端(2b)にノズル(22)を設け、該管路(2)の途中にエゼクター作用による真空発生装置(3)を連繋して構成される。
真空発生装置(3)を作動させ、塩を容器(1)から管路(2)内に吸引し、高速空気流によってノズル(22)から噴射させることにより、おにぎりに能率的に塩を振り掛けることができた。
ところが、上記塩振り装置は、コンベア(7)によってノズル(22)の下方を間欠移動するおにぎり(9)の停止のタイミングに合わせて、真空発生装置(3)の運転と停止をタイマー設定しても、振り掛ける塩の量にバラツキが生じ、実用に耐えないことが分かった。
【0004】
この理由は、真空発生装置(3)の運転を停止するために、切替弁(42)によって真空発生装置(3)の真空発生加圧エアー供給管路(4)を大気に連通させても、管路(2)内の負圧は瞬時には大気圧には戻らず、弱いながらも吸引力が残り、管路(2)への不安定な塩の流れが短時間であるが持続する。このため、管路(2)内に量の一定しない塩が残存する。
次に真空発生装置(3)を運転する際に、該管路(2)内に残存している塩もノズルから噴射されてしまうため、おにぎり(9)に噴射される塩の量がバラツクのである。
【0005】
本発明は、おにぎりに一定量の塩を、均一に振り掛けることのできる装置を明らかにするものである。塩に限らず、他の粉体の振り掛けにも使用できる。振り掛ける相手物品もおにぎりに限ることはない。
【0006】
【課題を解決する手段】
本発明の粉体振掛け装置は、粉体収容容器(1)に粉体流出管路(2)の一端(2a)が連通し、該管路(2)の他端(2b)に粉体噴射ノズル(22)が設けられ、該管路(2)の途中に、エゼクター作用によって管路(2)のノズル側を流出側とし、粉体収容容器(1)側から吸引する真空発生装置(3)が連繋され、管路(2)の真空発生装置(3)より上流側には、真空発生装置(3)の真空発生運転の停止のタイミングに合わせて圧力空気を供給して真空を破壊する真空破壊加圧エアー供給管路(5)が接続されている。
【0007】
本発明の両面粉体振掛け装置は、粉体を振り掛けるべき物品を搬送するコンベア(7)の途中に、物品を180゜反転させる反転装置(8)を配備し、反転装置(8)を挟んで搬送路上の2箇所に上記振掛け装置のノズル(22)(22)を位置させている。
【0008】
本発明の粉体の振掛け方法は、粉体収容容器(1)内の粉体をエゼクター作用によって管路(2)へ吸引すると共に真空発生のための加圧エアーによって粉体を噴射し、所定時間経過後、真空発生のための加圧エアーの供給を停止すると共に管路(2)に真空破壊用の加圧エアーを供給して管路に残存する粉体を容器へ強制回収する。
【0009】
【作用及び効果】
粉体収容容器(1)に塩を収容しておき、真空発生装置(3)を作動させる。該装置(3)による噴射ノズル(22)側に向かう高速空気流によって、粉体流出管路(2)の真空発生装置(3)より粉体収容容器(1)側は真空状態となり、粉体収容容器(1)内の塩が該管路(2)を通じて真空発生装置(3)側へ吸引され、噴射ノズル(22)に向かう高速空気流により該ノズル(22)から噴射される。
【0010】
真空発生装置(3)への加圧エアーの供給が停止するタイミングに合わせて、真空破壊加圧エアー供給管路(5)から真空発生装置(3)の上流側に加圧エアーが供給され、粉体流出管路(2)の真空状態が瞬時に破壊される。同時に、該加圧エアーが粉体収容容器(1)側に流れて、管路(2)に残存してる塩を該容器(1)内へ押し戻す。これによって、真空発生装置(3)が次に作動する際には、粉体流出管路(2)に塩は残存していない。
従って、真空発生装置(3)が作動する度に、作動時間に応じて、一定量の塩がノズル(22)から噴射される。
【0011】
塩は、高速空気流に乗って、おにぎり(9)に振り掛かるため、塩を自然落下させて振り掛ける場合に較べて、塩振りの作業能率を向上させることができる。又、塩は、おにぎりに衝突する様に振り掛かるため、塩粒がおにぎりに食い込む様に付着し、おにぎりからの剥がれ落ちを防止出来る。
【0012】
両面粉体振掛け装置は、先ずおにぎりの片面に塩を振り掛けた後、反転装置(8)でおにぎりを180゜反転させて、残り片面に塩を振り掛けることができる。
【0013】
【発明の実施の形態】
図1は、本発明の粉体振掛け装置の、配管を説明するための概略図である。
略逆円錐状の粉体収容容器(1)の上部側壁を貫通して粉体流出管路(2)の一端(2a)が容器内に侵入し、容器の軸心を通って容器の底近傍まで延びている。
粉体流出管路(2)の他端(2b)に後記する粉体噴射ノズル(22)が設けられている。
粉体収容容器(1)には、塩が収容されている。
【0014】
粉体流出管路(2)の途中に真空発生装置(3)が連繋される。
図3に示す如く、真空発生装置(3)は、粉体流出管路(2)に介装した真空発生器(31)に真空発生加圧エアー供給管路(4)を接続し、エゼクター作用によって粉体流出管路(2)の真空発生器(31)より上流側の空気吸引して真空を発生させる公知の構成である。
真空発生器(31)は、吸気ポート(34)、排気ポート(35)及びエアー供給ポート(36)及びそれらポートを繋ぐT字状流路(32)を有し、吸気ポート(34)と排気ポート(35)を繋ぐ直線流路に内ノズル(37)を具えている。
粉体流出管路(2)の粉体収容容器(1)側が吸気ポート(34)に、噴射ノズル(22)側が排気ポート(35)に接続される。
【0015】
図1に示す如く、コンプレッサ(44)に繋がっている真空発生加圧エアー供給管路(4)が上記真空発生器(31)のエアー供給ポート(36)に接続される。
真空発生加圧エアー供給管路(4)には、コンプレッサ(44)から下流側へ順にレギュレイタ(43)、電磁式切替弁(42)、エアーフィルタ(41)が組み込まれている。
切替弁(42)にはタイマー(図示せず)が連繋されており、真空発生加圧エアー供給管路(4)から真空発生器(31)に加圧エアーを供給する時間(供給の開始時間ではなく、供給を継続している時間)を設定できる。
実施例では、エアー圧2kg/cm、加圧エアー噴射時間0.2秒である。
切替弁(42)は、後記するコンベア(7)上のおにぎり(9)が、塩振りステーションS1に達するタイミングを検出器(図示せず)が検出する信号によって切り替わり、真空発生加圧エアー供給管路(4)から真空発生器(31)にエアーを供給する。
【0016】
粉体流出管路(2)の真空発生装置(3)より上流側に、T字継手(20)を介して真空破壊加圧エアー供給管路(5)が接続される。
真空破壊加圧エアー供給管路(5)の基端は、前記コンプレッサ(44)に繋がっている。
真空破壊加圧エアー供給管路(5)には、コンプレッサ(44)から下流側へ順にレギュレイタ(53)、電磁式切替弁(52)、エアーフィルタ(51)が組み込まれている。
切替弁(52)にはタイマー(図示せず)が連繋されており、設定時間だけ真空発生装置(3)に加圧エアーを供給する。
実施例では、エアー圧2kg/cm、加圧エアー供給時間0.2秒である。
切替弁(52)は、前記真空発生加圧エアー供給管路(4)が大気に開放されるタイミングに一致して切り替わり、加圧エアーを真空発生器(31)に供給する。
【0017】
図1、図2に示す如く、粉体収容容器(1)には、収容した粉体の架橋を防止する架橋防止手段(60)が連繋される。
実施例の架橋防止手段(60)は、加圧エアーを断続的に容器内の粉体に噴射して衝撃を与えることにより、粉体の架橋を防止するものであって、粉体収容容器(1)の側壁を貫通して粉体架橋防止加圧エアー供給管路(6)の先端を容器内に侵入させ、容器の底側に向けて開口させている。
粉体架橋防止加圧エアー供給管路(6)の基端は、前記コンプレッサ(44)に繋がっている。
粉体架橋防止加圧エアー供給管路(6)には、コンプレッサ(44)から下流側へ順にレギュレイタ(63)、電磁式切替弁(62)、エアーフィルタ(61)が組み込まれている。
切替弁(62)にはタイマー(図示せず)が連繋されており、設定時間だけ粉体収容容器(1)内の粉体に加圧エアーを噴射する。
実施例では、エアー圧2kg/cm、加圧エアー供給時間0.2秒である。
切替弁(62)は、前記真空破壊加圧エアー供給管路(5)から真空発生器(31)への加圧エアーの供給が停止するタイミングに一致して切り替わり、加圧エアーを粉体に噴射する。
【0018】
図1、図4に示す如く、おにぎり(9)を搬送する1基のコンベア(7)に対して、上記粉体振掛け装置を2基組合せ、コンベア(7)の搬送路上の2カ所に設けた塩振りステーションS1、S2に、各粉体振掛け装置の噴射ノズル(22)(22)を、ノズル開口を下向きにして対向させている。
【0019】
おにぎり(7)は三角おにぎりであり、三角形の板状飯塊の間に具を挟んだサンドイッチ型のおにぎりである。
【0020】
噴射ノズル(22)は、下端が開口した断面三角形の筒体に形成され、上端中央に前記粉体流出管路(2)の先端が接続されている。
噴射ノズル(22)の下面開口は、おにぎり(9)の輪郭よりも少し大きい。
図2に示す如く、噴射ノズル(22)の下部には、ノズルの流路を横切って目の粗さが1mm角程度の網体(23)が配備されている。
【0021】
コンベア(7)は、二条の細幅のベルト(71)(71)を両ベルトに跨っておにぎり(9)が安定して載る間隔を存して平行に張設して構成されており、ベルトの所定位置に等間隔に載せられたおにぎり(9)を、塩振りステーションS1、S2で停止する様に間欠的に搬送する。
おにぎり(9)は、噴射ノズル(22)の開口の真下にて、噴射ノズル(22)の三角開口に位相が一致する様に停止する。
実施例では、おにぎり(9)はステーションS1、S2で1秒間停止し、該停止時間を含めて3秒で1ピッチ前進する。
【0022】
ステーションS1、S2間にて、ベルト(71)(71)の間に、おにぎり(9)を180°反転させる反転装置(8)が配備される。
反転装置(8)は、90゜づつ間欠回転する回転軸(84)上に該軸と直交する面内で十字状に延びる4本の腕杆(82)を具えた回転体(81)を、該腕杆(82)がベルト(71)の周回方向に沿う面内で回転する様に配備し、各腕杆(82)の先端に夫々一対のクランプ爪(83)(83)を開閉可能に具えて構成される。
クランプ爪(83)(83)には、エアーシリンダ等による爪開閉手段(図示せず)が連繋されており、クランプ爪(83)(83)の開閉は次の如く制御される。
腕杆(82)がコンベア(7)の上流側に向いたときには、クランプ爪(83)(83)を開いてクランプ爪(83)(83)間へのおにぎり(9)の侵入を許し、腕杆(82)が回転するときには、クランプ爪(83)(83)を閉じておにぎり(9)を掴む。該腕杆(82)が、コンベア(7)の下流側を向いたとき、クランプ爪(83)(83)を開いておにぎり(9)をベルト(71)(71)に受け渡す。
回転体(82)の回転のタイミングは、コンベア(7)の間欠周回のタイミングに対応している。
【0023】
然して、コンベア(7)上の上流側の塩振りステーションS1におにぎり(9)が達することを検出器(図示せず)が検出するタイミングで、真空発生加圧エアー供給管路(4)の切替弁(42)が動作して、真空発生加圧エアー供給管路(4)から真空発生器(31)に加圧エアーが供給される。加圧エアーは粉体流出管路(2)の噴射ノズル(22)側に高速で流出し、エゼクター作用により、粉体流出管路(2)の真空発生器(31)より上流側の空気は吸引され、粉体収容容器(1)側は真空状態となる。これによって、粉体収容容器(1)内の塩が粉体流出管路(2)に吸引され、真空発生器(31)の内ノズル(37)から、前記噴射ノズル(22)に向かう高速空気流れに乗って、噴射ノズル(22)からおにぎり(9)に噴射される。
【0024】
真空発生加圧エアー供給管路(4)からの加圧エアーによって、塩をおにぎり(9)に向けて吹き飛ばすと、塩の速度が速すぎておにぎりに当たって反射し、周囲に飛び散る虞れがある。実施例では、噴射ノズル(22)内に、ノズル(22)の流路を横切って網体(23)が配備されており、塩の噴射の勢いが弱まるため、塩がおにぎり(9)に衝突してから反射することを抑えることができる。
【0025】の
切替弁(42)が、真空発生器(31)に加圧エアーを供給する様に動作してから0.2秒後に、該切替弁(42)は真空発生加圧エアー供給管路(4)が大気に連通する様に動作する。同時に真空破壊加圧エアー供給管路(5)の切替弁(52)が開いて、粉体流出管路(2)の真空発生器(31)より上流側に加圧エアーを供給する。粉体流出管路(2)の真空は瞬時に破壊される共に、該加圧エアーが粉体流出管路(2)のT字継手(20)から粉体収容容器(1)側に残っている塩を粉体収容容器(1)に逆流させて回収する。
切替弁(52)は開いてから0.2秒後に閉じる。粉体流出管路(2)内の塩を粉体収容容器(1)に回収するには十分な時間である。
【0026】
おにぎり(9)に塩が噴射される時間は、粉体流出管路(2)に真空が生じてから0.5秒以内に納まる。おにぎり(9)は塩振りステーションS1に1秒間停止しているから、十分に余裕がある。
真空破壊加圧エアー供給管路(5)の切替弁(52)が閉じると同時に、粉体架橋防止加圧エアー供給管路(6)の切替弁(62)が開いて、粉体収容容器(1)内の塩に加圧空気が噴射される。加圧エアーの噴射の衝撃によって、架橋が生じることを防止できる。
【0027】
塩振りステーションS1で塩振りされたおにぎり(9)は、搬送途上で反転装置(8)によって180゜反転し、下流側の塩振りステーションS2にて、上記同様にして塩振りされる。
【0028】
前記の如く、おにぎり(9)への塩の噴射流の強さは、噴射ノズル(22)内の網体(23)によって弱められるが、塩を自然落下させて振り掛ける場合に較べて、塩のおにぎり(9)に降り掛かる勢いは遙かに強く、このため、塩を自然落下させて振り掛ける場合に較べて、塩振りの作業能率を向上させることができる。又、塩はおにぎりに衝突する様に振り掛かるため、塩粒がおにぎりに食い込む様に付着し、おにぎりからの剥がれ落ちを防止出来る。
又、噴射ノズル(22)は筒体に形成され、開口部はおにぎり(9)の輪郭よりも少し大きい三角形であるから、塩が無駄に拡散して噴射することは防止され、おにぎり(9)に均一に分布した状態で噴射され、又、おにぎり(9)の外側に飛散する塩の量は僅かである。
【0029】
本発明の実施に際し、噴射ノズル(22)からの塩の噴射時間はタイマーによって適宜変更できるのは勿論である。
又、本発明は、塩以外の粉体、粒体の噴射に実施出来、コンベア(7)上の一方のステーションS2で塩を振り掛け、他方のステーションでゴマを噴射することも可能である。
又、粉体を噴射する相手物品は、おにぎり(9)に限ることはなく、製菓工場等でケーキに粉砂糖やトッピング材料を振り掛ける工程で使用できる。
更に、粉体を噴射する相手物品は食品に限らない。
又、粉体架橋防止手段(60)は、粉体収容容器(1)内の粉体の架橋を壊すことが出来れば手段を問わず、例えば、粉体収容容器(1)内に攪拌翼を設けたり、粉体収容容器(1)をハンマー等で機械的且つ定期的に叩いても可い。
【0030】
上記実施例の説明は、本発明を説明するためのものであって、特許請求の範囲に記載の発明を限定し、或は範囲を減縮する様に解すべきではない。又、本発明の各部構成は上記実施例に限らず、特許請求の範囲に記載の技術的範囲内で種々の変形が可能であることは勿論である。
【図面の簡単な説明】
【図1】粉体振掛け装置の配管図である。
【図2】粉体振掛け装置の一部を断面で表した正面図である。
【図3】真空発生装置の断面図である。
【図4】コンベアの斜面図である。
【図5】本発明に先だって出願人が試作した塩振り装置の概略説明図である。
【符号の説明】
(1)  粉体収容容器
(2)  粉体流出管路
(3)  真空発生装置
(31) 真空発生器
(22) 噴射ノズル
(4)  真空発生加圧エアー供給管路
(5)  真空破壊加圧エアー供給管路
(6)  粉体架橋防止加圧エアー供給管路
(7)  コンベア
(8)  反転装置
[0001]
[Field of the Invention]
The present invention relates to a device for automatically sprinkling powdery seasonings such as salt and pepper and other powders.
[0002]
Problems to be solved by the prior art and the invention
The onigiri that you hold in your hand is salted by adding salt to your hands.
The onigiri wrappers sold at convenience stores are also salted, but they are not rice balls sprinkled with salt, but rice balls cooked with salt.
The reason for this is that in order to sprinkle the salt evenly on the embossed rice ball, it is necessary to drop the salt from a high position toward the rice ball, but it is difficult to keep the amount of salt constant, and If the salt is dropped from a high position, it takes time, and the work efficiency is poor.
However, when the rice is cooked with salt and when the rice is sprinkled with salt, the latter has a salty flavor and feels more delicious.
[0003]
Therefore, the applicant has made a prototype of the salt swinging device shown in FIG. In this method, one end (2a) of a pipe (2) communicates with a container (1) containing salt, and a nozzle (22) is provided at the other end (2b) of the pipe (2). ), A vacuum generator (3) by an ejector action is connected.
By activating the vacuum generator (3), the salt is sucked from the container (1) into the conduit (2), and is sprayed from the nozzle (22) by a high-speed air stream to sprinkle the salt on the rice balls efficiently. I was able to.
However, the above-mentioned salt shaker sets a timer to set the operation and stop of the vacuum generator (3) in accordance with the stop timing of the rice ball (9) intermittently moving below the nozzle (22) by the conveyor (7). Also, it was found that the amount of salt to be sprinkled varied and was not practical.
[0004]
The reason is that even if the switching valve (42) is used to stop the operation of the vacuum generator (3), the vacuum generating pressurized air supply pipe (4) of the vacuum generator (3) is communicated with the atmosphere. The negative pressure in the pipe (2) does not return to the atmospheric pressure instantaneously, the suction power remains although weak, and the unstable flow of the salt into the pipe (2) continues for a short time. For this reason, an irregular amount of salt remains in the pipe (2).
Next, when the vacuum generator (3) is operated, the salt remaining in the pipe (2) is also ejected from the nozzle, so that the amount of salt injected into the rice ball (9) varies. is there.
[0005]
The present invention discloses an apparatus that can uniformly sprinkle a certain amount of salt on rice balls. It can be used not only for salt but also for sprinkling other powders. The goods to sprinkle are not limited to rice balls.
[0006]
[Means to solve the problem]
In the powder sprinkling device of the present invention, one end (2a) of a powder outflow pipe (2) communicates with the powder container (1), and the powder (2) is connected to the other end (2b) of the pipe (2). An injection nozzle (22) is provided. In the middle of the pipe (2), a vacuum generating device (a suction side from the powder container (1) side with the nozzle side of the pipe (2) as an outflow side by an ejector action) 3) is connected, and pressure air is supplied to the line (2) upstream of the vacuum generator (3) at the timing of stopping the vacuum generation operation of the vacuum generator (3) to break the vacuum. The vacuum breaking pressurized air supply line (5) is connected.
[0007]
The double-sided powder sprinkler of the present invention is provided with a reversing device (8) for reversing an article by 180 ° in the middle of a conveyor (7) for conveying an article to which powder is to be sprinkled. The nozzles (22) and (22) of the sprinkling device are positioned at two places on the transport path with the sandwiched therebetween.
[0008]
In the method of sprinkling powder according to the present invention, the powder in the powder container (1) is sucked into a pipe (2) by an ejector action, and the powder is jetted by pressurized air for generating a vacuum. After a lapse of a predetermined time, the supply of the pressurized air for generating a vacuum is stopped, and the pressurized air for vacuum break is supplied to the pipe (2) to forcibly collect the powder remaining in the pipe into the container.
[0009]
[Action and effect]
The salt is stored in the powder container (1), and the vacuum generator (3) is operated. Due to the high-speed air flow toward the injection nozzle (22) by the device (3), the powder outlet pipe (2) is brought into a vacuum state on the powder storage container (1) side from the vacuum generator (3), The salt in the storage container (1) is sucked toward the vacuum generator (3) through the pipe (2), and is ejected from the nozzle (22) by a high-speed airflow toward the ejection nozzle (22).
[0010]
At the timing when the supply of the pressurized air to the vacuum generator (3) is stopped, pressurized air is supplied from the vacuum breaking pressurized air supply pipe line (5) to the upstream side of the vacuum generator (3), The vacuum state of the powder outflow line (2) is instantaneously destroyed. At the same time, the pressurized air flows toward the powder container (1) and pushes the salt remaining in the pipe (2) back into the container (1). As a result, no salt remains in the powder outlet line (2) when the vacuum generator (3) is operated next time.
Therefore, every time the vacuum generator (3) is operated, a certain amount of salt is ejected from the nozzle (22) according to the operation time.
[0011]
The salt is sprinkled on the rice ball (9) in the high-speed air flow, so that the salt shaking operation efficiency can be improved as compared with the case where the salt is spontaneously dropped and sprinkled. Further, the salt is sprinkled so as to collide with the onigiri, so that the salt adheres to the onigiri so as to bite into the onigiri, and thus the peeling from the onigiri can be prevented.
[0012]
The double-sided powder sprinkler can first sprinkle the salt on one side of the rice ball, then invert the rice ball by 180 ° by the reversing device (8), and sprinkle the salt on the other side.
[0013]
BEST MODE FOR CARRYING OUT THE INVENTION
FIG. 1 is a schematic diagram for explaining the piping of the powder sprinkling apparatus of the present invention.
One end (2a) of the powder outflow pipe (2) penetrates the upper side wall of the substantially inverted conical powder container (1) and enters the container, passes through the axis of the container, and is near the bottom of the container. Extending to
A powder injection nozzle (22) described later is provided at the other end (2b) of the powder outflow pipe (2).
The powder container (1) contains salt.
[0014]
A vacuum generator (3) is connected in the middle of the powder outflow pipe (2).
As shown in FIG. 3, the vacuum generator (3) connects the vacuum generating pressurized air supply pipe (4) to a vacuum generator (31) interposed in the powder outflow pipe (2), and performs an ejector action. This is a known configuration in which air is suctioned upstream of the vacuum generator (31) of the powder outflow pipe (2) to generate a vacuum.
The vacuum generator (31) has an intake port (34), an exhaust port (35), an air supply port (36) and a T-shaped flow path (32) connecting these ports. An inner nozzle (37) is provided in a straight flow path connecting the port (35).
The powder outlet pipe (2) is connected to the powder container (1) on the side of the intake port (34), and the injection nozzle (22) is connected to the exhaust port (35).
[0015]
As shown in FIG. 1, a vacuum generating pressurized air supply pipe (4) connected to a compressor (44) is connected to an air supply port (36) of the vacuum generator (31).
A regulator (43), an electromagnetic switching valve (42), and an air filter (41) are incorporated in the vacuum generation pressurized air supply pipe (4) in this order from the compressor (44) to the downstream side.
A timer (not shown) is connected to the switching valve (42), and a time for supplying the pressurized air from the vacuum generation pressurized air supply line (4) to the vacuum generator (31) (supply start time) Rather than the duration of the supply).
In the embodiment, the air pressure is 2 kg / cm 2 and the pressurized air injection time is 0.2 seconds.
The switching valve (42) is switched by a signal that a detector (not shown) detects when the rice ball (9) on the conveyor (7) described later reaches the salting station S1 by a detector (not shown). Air is supplied from the path (4) to the vacuum generator (31).
[0016]
A vacuum breaking pressurized air supply pipe (5) is connected to the powder outflow pipe (2) upstream of the vacuum generator (3) via a T-joint (20).
The proximal end of the vacuum breaking pressurized air supply line (5) is connected to the compressor (44).
A regulator (53), an electromagnetic switching valve (52), and an air filter (51) are incorporated in the vacuum breaking pressurized air supply line (5) in this order from the compressor (44) to the downstream side.
A timer (not shown) is connected to the switching valve (52), and supplies pressurized air to the vacuum generator (3) for a set time.
In the embodiment, the air pressure is 2 kg / cm 2 and the pressurized air supply time is 0.2 seconds.
The switching valve (52) switches in accordance with the timing at which the vacuum generation pressurized air supply pipe (4) is opened to the atmosphere, and supplies pressurized air to the vacuum generator (31).
[0017]
As shown in FIGS. 1 and 2, the powder container (1) is connected to a crosslinking preventing means (60) for preventing crosslinking of the stored powder.
The cross-linking prevention means (60) of the embodiment is for preventing the cross-linking of the powder by intermittently injecting the pressurized air into the powder in the container and giving an impact to the powder. The distal end of the pressurized air supply pipe (6) for preventing powder cross-linking penetrates into the container through the side wall of (1), and is opened toward the bottom side of the container.
The proximal end of the pressurized air supply line (6) for preventing powder crosslinking is connected to the compressor (44).
A regulator (63), an electromagnetic switching valve (62), and an air filter (61) are incorporated in the powder crosslinking prevention pressurized air supply line (6) in order from the compressor (44) to the downstream side.
A timer (not shown) is connected to the switching valve (62) and injects pressurized air to the powder in the powder container (1) for a set time.
In the embodiment, the air pressure is 2 kg / cm 2 and the pressurized air supply time is 0.2 seconds.
The switching valve (62) is switched in accordance with the timing at which the supply of the pressurized air from the vacuum breaking pressurized air supply line (5) to the vacuum generator (31) is stopped, and converts the pressurized air into powder. Inject.
[0018]
As shown in FIGS. 1 and 4, two powder sprinklers are combined with one conveyor (7) for transporting rice balls (9) and provided at two locations on the conveyor path of the conveyor (7). The injection nozzles (22) and (22) of each powder sprinkler are opposed to the salting stations S1 and S2 with the nozzle openings facing downward.
[0019]
Onigiri (7) is a triangular onigiri, which is a sandwich type onigiri sandwiched between triangular plate-shaped rice blocks.
[0020]
The injection nozzle (22) is formed in a cylindrical body having a triangular cross section with an open lower end, and the tip of the powder outflow pipe (2) is connected to the center of the upper end.
The lower opening of the spray nozzle (22) is slightly larger than the contour of the rice ball (9).
As shown in FIG. 2, a net (23) having a roughness of about 1 mm square is provided below the injection nozzle (22) across the flow path of the nozzle.
[0021]
The conveyor (7) is constructed by stretching two narrow belts (71) and (71) in parallel across the two belts at an interval where the rice balls (9) can be stably mounted. The rice balls (9) placed at regular intervals at the predetermined positions are intermittently transported so as to stop at the salting stations S1 and S2.
The rice ball (9) stops just below the opening of the injection nozzle (22) so that the phase matches the triangular opening of the injection nozzle (22).
In the embodiment, the rice ball (9) stops at the stations S1 and S2 for 1 second, and advances one pitch in 3 seconds including the stop time.
[0022]
Between the stations S1 and S2, between the belts (71) and (71), a reversing device (8) for reversing the rice ball (9) by 180 ° is provided.
The reversing device (8) includes a rotating body (81) having four arm rods (82) extending in a cross shape in a plane orthogonal to the rotating shaft (84) intermittently rotating by 90 °, The arm rods (82) are arranged so as to rotate in a plane along the circumferential direction of the belt (71), and a pair of clamp claws (83) (83) can be opened and closed at the tip of each arm rod (82). It is composed.
Clamp opening / closing means (not shown) such as an air cylinder is connected to the clamp claws (83) (83), and the opening and closing of the clamp claws (83) (83) are controlled as follows.
When the arm rod (82) faces the upstream side of the conveyor (7), the clamp claws (83) and (83) are opened to allow the rice ball (9) to enter between the clamp claws (83) and (83). When the rod (82) rotates, the clamp claws (83) and (83) are closed and the rice ball (9) is grasped. When the arm rod (82) faces the downstream side of the conveyor (7), the clamp claws (83) and (83) are opened and the rice balls (9) are delivered to the belts (71) and (71).
The timing of the rotation of the rotating body (82) corresponds to the timing of the intermittent rotation of the conveyor (7).
[0023]
However, at the timing when the detector (not shown) detects that the rice ball (9) reaches the salting station S1 on the upstream side on the conveyor (7), the vacuum generation pressurized air supply line (4) is switched. The valve (42) is operated, and pressurized air is supplied to the vacuum generator (31) from the vacuum generation pressurized air supply line (4). The pressurized air flows out at a high speed toward the injection nozzle (22) of the powder outflow pipe (2), and the air upstream of the vacuum generator (31) in the powder outflow pipe (2) is discharged by the ejector action. The powder is sucked, and the powder container (1) side is in a vacuum state. As a result, the salt in the powder container (1) is sucked into the powder outflow pipe (2), and the high-speed air flowing from the inner nozzle (37) of the vacuum generator (31) to the injection nozzle (22). Riding on the flow, the rice ball (9) is injected from the injection nozzle (22).
[0024]
If the salt is blown off toward the rice ball (9) by the pressurized air from the vacuum generation pressurized air supply line (4), the salt may be too fast to be reflected on the rice ball and scattered around. In the embodiment, the mesh body (23) is provided in the spray nozzle (22) across the flow path of the nozzle (22), and the salt collides with the rice ball (9) because the strength of the salt spray is weakened. After that, reflection can be suppressed.
0.2 seconds after the switching valve (42) operates to supply the pressurized air to the vacuum generator (31), the switching valve (42) is connected to the vacuum generating pressurized air supply pipe. Road (4) operates to communicate with the atmosphere. At the same time, the switching valve (52) of the vacuum breaking pressurized air supply line (5) is opened, and pressurized air is supplied to the powder outflow line (2) upstream of the vacuum generator (31). The vacuum in the powder outflow line (2) is instantaneously broken, and the pressurized air remains on the powder container (1) side from the T-shaped joint (20) of the powder outflow line (2). The remaining salt is returned to the powder container (1) and collected.
The switching valve (52) closes 0.2 seconds after opening. It is sufficient time to collect the salt in the powder outflow pipe (2) into the powder container (1).
[0026]
The time during which the salt is sprayed on the rice ball (9) is settled within 0.5 seconds after a vacuum is generated in the powder outflow line (2). Onigiri (9) is stopped at the salting station S1 for one second, so that there is enough room.
At the same time as the switching valve (52) of the vacuum breaking pressurized air supply pipe (5) is closed, the switch valve (62) of the powder bridging prevention pressurized air supply pipe (6) is opened, and the powder container ( Pressurized air is injected into the salt in 1). Crosslinking can be prevented from occurring due to the impact of the injection of pressurized air.
[0027]
The rice ball (9) salted in the salting station S1 is turned 180 ° by a reversing device (8) during the transportation, and salted in the downstream salting station S2 in the same manner as described above.
[0028]
As described above, the intensity of the salt jet flow onto the rice ball (9) is weakened by the net (23) in the jet nozzle (22), but compared to the case where the salt is allowed to fall naturally and sprinkled. The momentum of falling on the rice ball (9) is much stronger, so that the salting work efficiency can be improved as compared with the case where salt is naturally dropped and sprinkled. Further, since the salt is sprinkled so as to collide with the onigiri, the salt particles adhere to the onigiri so as to bite into the onigiri, so that the salt can be prevented from peeling off from the onigiri.
Further, since the injection nozzle (22) is formed in a cylindrical body and the opening is a triangle slightly larger than the outline of the rice ball (9), it is prevented that the salt is unnecessarily diffused and injected, and the rice ball (9) And the amount of salt scattered outside the rice balls (9) is small.
[0029]
In carrying out the present invention, it is needless to say that the injection time of salt from the injection nozzle (22) can be appropriately changed by a timer.
Further, the present invention can be applied to injection of powders and granules other than salt, and it is also possible to sprinkle salt at one station S2 on the conveyor (7) and spray sesame at the other station.
Further, the counterpart to which the powder is sprayed is not limited to the rice ball (9), but can be used in a process of sprinkling powdered sugar or topping material on a cake at a confectionery factory or the like.
Further, the counterpart article to which the powder is sprayed is not limited to food.
The powder cross-linking prevention means (60) is not limited to any means as long as the cross-linking of the powder in the powder storage container (1) can be broken. For example, a stirring blade is installed in the powder storage container (1). It may be provided or the powder container (1) may be mechanically and regularly beaten with a hammer or the like.
[0030]
The description of the above embodiments is intended to explain the present invention, and should not be construed as limiting the invention described in the claims or reducing the scope thereof. Further, the configuration of each part of the present invention is not limited to the above-described embodiment, and it is needless to say that various modifications can be made within the technical scope described in the claims.
[Brief description of the drawings]
FIG. 1 is a piping diagram of a powder sprinkler.
FIG. 2 is a front view showing a cross section of a part of the powder sprinkler.
FIG. 3 is a sectional view of a vacuum generator.
FIG. 4 is a perspective view of a conveyor.
FIG. 5 is a schematic explanatory view of a salt swing apparatus prototyped by the applicant prior to the present invention.
[Explanation of symbols]
(1) Powder container (2) Powder outflow pipe (3) Vacuum generator (31) Vacuum generator (22) Injection nozzle (4) Vacuum generation pressurized air supply pipe (5) Vacuum breaking pressurization Air supply line (6) Powder bridge prevention pressurized air supply line (7) Conveyor (8) Reversing device

Claims (6)

粉体収容容器(1)に粉体流出管路(2)の一端(2a)が連通し、該管路(2)の他端(2b)に粉体噴射ノズル(22)が設けられ、該管路(2)の途中に、エゼクター作用によって管路(2)のノズル側を流出側とし、粉体収容容器(1)側から吸引する真空発生装置(3)が連繋され、管路(2)の真空発生装置(3)より上流側には、真空発生装置(3)の真空発生運転の停止のタイミングに合わせて圧力空気を供給して真空を破壊する真空破壊加圧エアー供給管路(5)が接続されている粉体振掛け装置。One end (2a) of a powder outlet pipe (2) communicates with the powder container (1), and a powder injection nozzle (22) is provided at the other end (2b) of the pipe (2). In the middle of the pipe (2), a vacuum generator (3) that sucks from the powder container (1) side by connecting the nozzle side of the pipe (2) to the outlet side by the ejector action is connected, and the pipe (2) is connected. In the upstream side of the vacuum generating device (3), a vacuum breaking pressurized air supply line (supplying pressure air to break the vacuum by supplying pressure air in synchronization with the stoppage of the vacuum generating operation of the vacuum generating device (3)) 5) A powder sprinkler to which is connected. 粉体噴射ノズル(22)の先端は、粉体を振り掛けるべき物体の輪郭よりも少し大きな形状で開口している請求項1に記載の粉体振掛け装置。The powder sprinkling device according to claim 1, wherein the tip of the powder injection nozzle (22) is opened with a shape slightly larger than the contour of the object to which the powder is to be sprinkled. 粉体噴射ノズル(22)には、ノズルの流路を横切って網体(23)が装着されている請求項1又は2に記載の粉体振掛け装置。The powder sprinkling device according to claim 1 or 2, wherein the powder injection nozzle (22) is provided with a net (23) across the flow path of the nozzle. 粉体収容容器(1)内の粉体の架橋を防止するための粉体架橋防止加圧エアー供給管路(6)が、粉体収容容器(1)を貫通して該容器内に開口している請求項1乃至3の何れかに記載の粉体振掛け装置A powder crosslinking prevention pressurized air supply pipe (6) for preventing crosslinking of the powder in the powder container (1) penetrates through the powder container (1) and opens into the container. 4. The powder sprinkling device according to claim 1, wherein 粉体を振り掛けるべき物品を搬送するコンベア(7)の途中に、該物品を天地を逆に反転させる反転装置(8)を配備し、反転装置(8)を挟んで搬送路上の2箇所に設定した粉体振り掛けステーションに、請求項1乃至4の何れかに記載の粉体振掛け装置の粉体噴射ノズル(37)(37)を位置させている物品両面への粉体振掛け装置。A reversing device (8) for reversing the product upside down is provided in the middle of the conveyor (7) for transporting the articles to which the powder is to be sprinkled. An apparatus for sprinkling powder on both surfaces of an article, wherein the powder injection nozzles (37) and (37) of the apparatus for sprinkling powder according to any one of claims 1 to 4 are located at the set powder sprinkling station. 粉体収容容器(1)内の粉体をエゼクター作用によって管路(2)へ吸引すると共に真空発生のための加圧エアーによって粉体を噴射し、所定時間経過後、真空発生のための加圧エアーの供給を停止すると共に管路(2)に真空破壊用の加圧エアーを供給して管路に残存する粉体を容器へ強制回収する粉体の振り掛け方法。The powder in the powder container (1) is sucked into the pipe (2) by an ejector action, and the powder is jetted by pressurized air for generating a vacuum. A method of sprinkling powder in which the supply of pressurized air is stopped and pressurized air for vacuum breaking is supplied to the pipe (2) to forcibly collect the powder remaining in the pipe into a container.
JP2002306460A 2002-10-22 2002-10-22 Powder sprinkling apparatus and method Expired - Fee Related JP3708918B2 (en)

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KR1020030014364A KR20040035548A (en) 2002-10-22 2003-03-07 Sprinkling apparatus and method for granule

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US10973238B2 (en) 2011-03-11 2021-04-13 Intercontinental Great Brands Llc System and method of forming multilayer confectionery
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JP2007000798A (en) * 2005-06-24 2007-01-11 Towa System Service:Kk Spraying device
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JP2009261310A (en) * 2008-04-24 2009-11-12 Kobird Co Ltd Powdery food material-applying device, and cooked rice food-forming device using the same
JP4574698B2 (en) * 2008-04-24 2010-11-04 株式会社コバード Powder food material applying apparatus and cooked rice food forming apparatus using the same
US10973238B2 (en) 2011-03-11 2021-04-13 Intercontinental Great Brands Llc System and method of forming multilayer confectionery
US11930830B2 (en) 2011-03-11 2024-03-19 Intercontinental Great Brands Llc System and method of forming multilayer confectionery
US11122815B2 (en) 2011-07-21 2021-09-21 Intercontinental Great Brands Llc System and method for forming and cooling chewing gum
US10334867B2 (en) 2014-03-03 2019-07-02 Intercontinental Great Brands Llc Method for manufacturing a comestible
CN106455672A (en) * 2014-05-20 2017-02-22 洲际大品牌有限责任公司 Highly efficient dust coating method to improve process and packaging
JP2017515459A (en) * 2014-05-20 2017-06-15 インターコンチネンタル グレート ブランズ エルエルシー Highly efficient powder coating method for improving process and packaging
JP7054263B1 (en) 2020-11-02 2022-04-13 市川工業株式会社 Sprinkling device for rice balls, sprinkling method on rice balls, and manufacturing method of rice balls sprinkled with sprinkled food
JP2022073747A (en) * 2020-11-02 2022-05-17 市川工業株式会社 Sprinkling device for rice ball, sprinkling method to rice ball, and production method of rice ball sprinkled with food to be sprinkled

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