JPH10216665A - Cleaning device - Google Patents
Cleaning deviceInfo
- Publication number
- JPH10216665A JPH10216665A JP9266165A JP26616597A JPH10216665A JP H10216665 A JPH10216665 A JP H10216665A JP 9266165 A JP9266165 A JP 9266165A JP 26616597 A JP26616597 A JP 26616597A JP H10216665 A JPH10216665 A JP H10216665A
- Authority
- JP
- Japan
- Prior art keywords
- cleaning
- photocatalytic material
- layer containing
- cleaning device
- oil stains
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 115
- 239000000463 material Substances 0.000 claims abstract description 62
- 230000001699 photocatalysis Effects 0.000 claims abstract description 53
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 9
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 9
- 235000013305 food Nutrition 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 19
- 229920003002 synthetic resin Polymers 0.000 claims description 15
- 239000000057 synthetic resin Substances 0.000 claims description 15
- 230000007723 transport mechanism Effects 0.000 claims description 12
- 235000021156 lunch Nutrition 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 19
- 238000005406 washing Methods 0.000 abstract description 15
- 229920002050 silicone resin Polymers 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 abstract description 5
- 230000001678 irradiating effect Effects 0.000 abstract description 3
- 239000000356 contaminant Substances 0.000 abstract 4
- 238000000576 coating method Methods 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000008021 deposition Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 44
- 239000005060 rubber Substances 0.000 description 14
- 239000003599 detergent Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 241000894006 Bacteria Species 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000004925 Acrylic resin Substances 0.000 description 4
- 229920000178 Acrylic resin Polymers 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 241000233866 Fungi Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000000645 desinfectant Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000011941 photocatalyst Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- RHQQHZQUAMFINJ-GKWSUJDHSA-N 1-[(3s,5s,8s,9s,10s,11s,13s,14s,17s)-3,11-dihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1h-cyclopenta[a]phenanthren-17-yl]-2-hydroxyethanone Chemical compound C1[C@@H](O)CC[C@]2(C)[C@H]3[C@@H](O)C[C@](C)([C@H](CC4)C(=O)CO)[C@@H]4[C@@H]3CC[C@H]21 RHQQHZQUAMFINJ-GKWSUJDHSA-N 0.000 description 1
- 241000972773 Aulopiformes Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 235000013334 alcoholic beverage Nutrition 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 235000019515 salmon Nutrition 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 235000014214 soft drink Nutrition 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Cleaning In General (AREA)
- Catalysts (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、通い箱、弁当箱な
どの反復使用される容器、あるいは食品取扱い機械の部
品などを洗浄するための洗浄装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning apparatus for cleaning containers used repeatedly such as returnable boxes and lunch boxes, or parts of food handling machines.
【０００２】[0002]
【従来の技術】物品の流通に用いられる食品用の通い
箱、弁当容器等の産業用食品容器を反復使用するために
は洗浄プロセスが必須であり、かかる洗浄には各種の洗
浄装置が用いられる。産業用食品容器としては様々な形
態のものが用いられており、たとえば、合成樹脂製の箱
の薄板の底板部や側板部の一部又は全部が網目になって
いるもの、合成樹脂製の箱の側板及び底板に貫通孔がな
いもの、折り畳むことにより体積を小さくすることがで
きるもの、ガラス瓶やペットボトルや紙パック等の容器
に入った液体、たとえば清涼飲料水やアルコール飲料等
の運搬のために内部に物品位置固定用の仕切りがあるも
のなどが用いられ、それぞれ、コンテナ、番重またはテ
ンバコ、折り畳みコンテナ、サケコンなどと呼ばれてい
る。2. Description of the Related Art A cleaning process is indispensable for repeatedly using industrial food containers such as food return boxes and lunch containers used for distribution of articles, and various cleaning apparatuses are used for such cleaning. . Various forms of industrial food containers are used, for example, a synthetic resin box in which a part or all of a bottom plate and a side plate of a thin plate are meshed, and a synthetic resin box. For the transportation of liquids in containers such as glass bottles, plastic bottles and paper packs, such as soft drinks and alcoholic beverages, without through holes in the side and bottom plates of the above, those that can be reduced in volume by folding And the like, which have a partition for fixing the position of the article inside, are called a container, a banju or tenbaco, a folding container, a salmon con, etc., respectively.
【０００３】これらの産業用食品収納容器は長期間に渡
って繰り返し回収利用されており、特に流通段階で用い
られているものは通い箱と総称されている。このような
通い箱は、画一的な物品を効率よく運ぶのに適している
ことから、チェーン展開を図るコンビニエンスストアや
外食産業において多数用いられている。[0003] These industrial food containers are repeatedly collected and used over a long period of time. In particular, those used at the distribution stage are collectively called returnable boxes. Such returnable boxes are suitable for efficiently transporting uniform items, and are therefore widely used in convenience stores and restaurant industries for expanding chains.
【０００４】一方、食品を収納する容器としては木製の
ものが多用されてきたが、近年の石油化学技術の発達に
より現在では合成樹脂製のものが多数を占めている。こ
れらは、密封容器や弁当箱等として広く用いられてい
る。その中で、産業給食や仕出しに用いる弁当箱なども
一度使用されると回収して洗浄され、再利用されてい
る。On the other hand, wooden containers are often used as containers for storing foods, but due to the recent development of petrochemical technology, those made of synthetic resins are now dominant. These are widely used as sealed containers, lunch boxes and the like. Among them, lunch boxes and the like used for industrial lunches and catering are once used, collected, washed and reused.
【０００５】このような産業用食品容器には油汚れが付
いていることが通常であり、従来は、図３に示すような
洗浄装置で洗剤を用いて洗浄している。図３は、従来の
代表的な洗浄装置の概略構成図である。[0005] Such industrial food containers are usually stained with oil, and conventionally, they are washed with a detergent using a washing device as shown in FIG. FIG. 3 is a schematic configuration diagram of a conventional typical cleaning apparatus.
【０００６】図３において、洗浄装置１１には、洗浄対
象となる容器Ｗの投入部ＩＮから洗浄後の容器Ｗの排出
部ＯＵＴに向かって容器Ｗを搬送するネットコンベア１
３などを利用した搬送機構１４と、この搬送機構１４に
よって搬送される容器Ｗを洗浄するための洗浄液を吹き
付けるノズル１５０を備える洗浄室１５（洗浄部）と、
容器Ｗから洗浄液を除去するための濯ぎ槽１６と、濯ぎ
終わった容器Ｗを乾燥させるためのブロアーなどの乾燥
器１７と、洗浄室１５のノズル１５０などに対する各種
の配管１８（洗浄液供給用および洗浄液回収用）とが構
成されている。また、洗浄室１５の前段には、後段に位
置する洗浄室１５や濯ぎ槽１６を汚さないように予備洗
浄室１９が構成され、この予備洗浄槽１９でも容器Ｗに
ノズル１９０から洗浄液を吹き付ける。なお、容器Ｗの
投入部ＩＮおよび排出部ＯＵＴには、のれん状の仕切り
用のゴム製カバー２０、２１を垂れ下げてある。In FIG. 3, a cleaning apparatus 11 includes a net conveyor 1 for transporting a container W from a charging portion IN of a container W to be cleaned to a discharge portion OUT of the cleaned container W.
3, a cleaning chamber 15 (cleaning unit) including a nozzle 150 for spraying a cleaning liquid for cleaning the container W transported by the transport mechanism 14,
A rinsing tank 16 for removing the cleaning liquid from the container W, a dryer 17 such as a blower for drying the rinsed container W, and various pipes 18 to the nozzle 150 of the cleaning chamber 15 (for supplying the cleaning liquid and the cleaning liquid). (For collection). In addition, a pre-cleaning chamber 19 is provided before the cleaning chamber 15 so as not to contaminate the cleaning chamber 15 and the rinsing tank 16 located at the subsequent stage. In addition, a rubber cover 20, 21 for partitioning in the form of a goodwill hangs down from the input portion IN and the discharge portion OUT of the container W.
【０００７】この洗浄装置１１では、洗浄液を再生しな
がら循環させ、かつ、予備洗浄室１９においてできるだ
け油汚れを洗い落としてネットコンベア１３、洗浄室１
５、配管１８内に油汚れが付着しないようにしているも
のの、洗浄液中の油分がネットコンベア１３、洗浄室１
５、配管１８内に付着し、折角洗った容器Ｗにこのよう
な油汚れがまとまって再付着することが多々ある。この
ため、従来は、洗浄装置１１の稼働を定期的に停止し、
強力なアルカリ性洗剤などを用いてネットコンベア１３
や洗浄室１５に付着した油汚れを作業者が洗い落として
いる。また、配管１８内には手が届かないので、加熱し
たアルカル性洗剤などを通すなどの方法で油汚れを除去
している。また、ネットコンベア１３、洗浄室１５、配
管１８内にはスケールなども付着することから、このよ
うな汚れも油汚れを除去する際に同時に除去している。[0007] In the cleaning apparatus 11, the cleaning liquid is circulated while regenerating the cleaning liquid, and the pre-cleaning chamber 19 is used to wash off as much oil dirt as possible.
5. Although oil stains are prevented from adhering to the pipe 18, the oil in the cleaning liquid is reduced by the net conveyor 13 and the cleaning chamber 1.
5. In many cases, such oil stains adhere to the inside of the pipe 18 and collectively adhere to the washed container W. For this reason, conventionally, the operation of the cleaning device 11 is periodically stopped,
Net conveyor 13 using strong alkaline detergent etc.
The operator is washing off the oil stains attached to the cleaning chamber 15 and the like. Further, since the inside of the pipe 18 cannot be reached, oil stains are removed by passing a heated alkaline detergent or the like. In addition, since scales and the like also adhere to the inside of the net conveyor 13, the cleaning chamber 15, and the pipe 18, such dirt is removed at the same time as oil dirt is removed.
【０００８】さらに、従来の洗浄装置１１では、油汚れ
が付着しやすい予備洗浄室１９、洗浄室１５、配管１８
には、油で劣化しやすい合成樹脂の使用を避け、この部
分についてはステンレス製としている。Further, in the conventional cleaning apparatus 11, the pre-cleaning chamber 19, the cleaning chamber 15,
In this case, the use of a synthetic resin that is easily deteriorated by oil is avoided, and this portion is made of stainless steel.
【０００９】[0009]
【発明が解決しようとする課題】しかしながら、従来の
洗浄装置１１において、それに付着した汚れを定期的除
去するといっても、かかる洗浄作業は、洗浄装置１１の
稼働率との関係で頻繁に行なうことができないという問
題点がある。However, in the conventional cleaning apparatus 11, even though dirt adhering to the cleaning apparatus 11 is periodically removed, such cleaning work is frequently performed in relation to the operation rate of the cleaning apparatus 11. There is a problem that can not be.
【００１０】また、一度付着した油汚れは簡単には洗い
落とせないという問題点がある。かといって、あまりに
強力なアルカリ性洗剤を用いると、洗浄室１５や配管１
８に残存した強力な洗剤が、洗浄に供した弁当箱などの
容器Ｗに付着することへの不安がある。また、洗浄室１
５などに付着した汚れを除去するのを人手で行なう以
上、余りに高い温度で洗浄することもできない。しか
も、ネットコンベア１３に付着した油汚れを完全に除去
するのは困難であり、また、洗浄室１５の壁に補強用の
リブが形成されていると、それらの交差部分などから油
汚れを完全に除去するのは困難である。このため、油汚
れが残っている部分での細菌の繁殖を完全に防止できな
い。また、容器Ｗの投入部２０に垂れ下げたゴム製カバ
ー２０には油汚れが付着しやすいので、細菌や黴の繁殖
に防止できず、かといって洗い落とすのも手間がかかる
ので、頻繁に交換している。Another problem is that oil stains once adhered cannot be easily washed off. However, if too strong alkaline detergent is used, the cleaning chamber 15 and
There is concern that the strong detergent remaining in 8 will adhere to the container W such as a lunch box used for washing. Cleaning room 1
Since the removal of the dirt adhering to 5 and the like is performed manually, the cleaning cannot be performed at an excessively high temperature. In addition, it is difficult to completely remove oil stains attached to the net conveyor 13, and if reinforcing walls are formed on the wall of the washing chamber 15, oil stains are completely removed from intersections thereof. Is difficult to remove. For this reason, it is not possible to completely prevent the growth of bacteria in the portion where the oil stain remains. In addition, since the oily dirt easily adheres to the rubber cover 20 hanging down from the charging portion 20 of the container W, it cannot be prevented from growing bacteria and fungi, and it takes time and effort to wash it off. doing.
【００１１】以上の問題点に鑑みて、本発明の課題は、
油汚れなどが付着しにくく、かつ、たとえ油汚れなどが
付着しても容易に除去できる洗浄装置を提供することに
ある。In view of the above problems, an object of the present invention is to
An object of the present invention is to provide a cleaning device that is not easily adhered to oil stains and the like and can easily be removed even if oil stains and the like are attached.
【００１２】[0012]
【課題を解決するための手段】上記課題を解決するた
め、本発明では、洗浄対象物となる物品の投入部から洗
浄後の物品の排出部に向かって物品を搬送する搬送機構
と、該搬送機構によって搬送される物品を洗浄するため
の洗浄部と、該洗浄部に対する配管とを有し、当該配
管、前記洗浄部または前記搬送機構の少なくとも一部分
には酸化チタンなどの光触媒性材料を含む層が形成され
ていることを特徴とする。In order to solve the above problems, the present invention provides a transport mechanism for transporting articles from an input section of articles to be cleaned to a discharge section of articles after cleaning, and A washing section for washing articles conveyed by a mechanism, and a pipe for the washing section, wherein at least a part of the pipe, the washing section or the transport mechanism contains a photocatalytic material such as titanium oxide. Is formed.
【００１３】本発明において、通常の金属や樹脂などの
表面は、素材や表面状態にもよるが、水の接触角が数度
から数十度である。これに対して、シリコーン樹脂など
と光触媒性材料である酸化チタンとを組み合わせたコー
ト剤を用いて光触媒性材料を含む層を洗浄装置の所定部
分の表面に形成し、それに紫外線を十分に照射すると、
表面の水の接触角はほぼ０度となる。この現象を超親水
化現象といい、このような性質を超親水性という。この
ようにして超親水性を付与した部分の表面は、油汚れよ
りも水になじみやすい。従って、超親水化した部分の表
面には油汚れが付着しにくいので、洗浄装置を長期間に
わたって清浄に保つことができる。しかも、超親水性を
付与した表面に油汚れが付着してしまっても、油汚れは
水中で容易に離脱するので、油汚れを水だけでも容易に
洗い落とすことができる。さらに、超親水性を付与した
表面は水との親和性が高いので、油汚れに限らずスケー
ルなども付着しにくく、付着しても簡単に洗い落とすこ
とができる。それ故、強力なアルカリ性洗剤などを用い
て洗浄装置から油汚れなどを多大な手間とコストをかけ
て除去する必要がなく、水質汚染の危惧も生じない。し
かも、光触媒性材料を含む層は、紫外線照射により一旦
超親水化されると、その効果が数十時間も維持され、か
つ、たとえ超親水性が低下してもそれを太陽光線や紫外
線ランプからの光に晒して紫外線を照射すれば、低下し
た超親水性が復帰するという利点がある。In the present invention, the surface of a normal metal or resin has a contact angle of water of several degrees to several tens of degrees, depending on the material and surface condition. On the other hand, when a layer containing a photocatalytic material is formed on the surface of a predetermined portion of the cleaning device using a coating agent in which a titanium resin as a photocatalytic material is combined with a silicone resin and the like, and sufficiently irradiated with ultraviolet rays, ,
The contact angle of water on the surface is almost 0 degrees. This phenomenon is called a superhydrophilic phenomenon, and such a property is called superhydrophilicity. The surface of the portion imparted with super-hydrophilicity in this way is more easily adapted to water than oil stains. Therefore, oil stains are unlikely to adhere to the surface of the superhydrophilized portion, so that the cleaning device can be kept clean for a long period of time. Moreover, even if oil stains adhere to the surface imparted with superhydrophilicity, the oil stains are easily separated in water, so that the oil stains can be easily washed away with water alone. Furthermore, since the surface imparted with superhydrophilicity has a high affinity for water, not only oil stains but also scales and the like are hardly adhered, and even if adhered, it can be easily washed off. Therefore, there is no need to use a strong alkaline detergent or the like to remove oil stains and the like from the cleaning device with great effort and cost, and there is no fear of water pollution. Moreover, once the layer containing the photocatalytic material is made superhydrophilic by irradiation with ultraviolet light, its effect is maintained for several tens of hours, and even if the superhydrophilicity is reduced, it can be removed from sunlight or ultraviolet lamps. Irradiation with ultraviolet light by exposure to the above-mentioned light has the advantage that the reduced superhydrophilicity is restored.
【００１４】このような洗浄装置は、衛生面や外観の面
で清浄なことが求められる弁当箱、食品用の通い箱など
の容器、あるいは食品取扱い機械の部品などの洗浄用に
適している。[0014] Such a washing apparatus is suitable for washing containers such as lunch boxes and food return boxes, which are required to be clean in terms of hygiene and appearance, or parts of food handling machines.
【００１５】本発明において、前記光触媒性材料を含む
層は、たとえば前記洗浄部、前記搬送機構のうち洗浄液
に触れる部分、または前記配管のうち使用済の洗浄液が
通る部分に形成される。In the present invention, the layer containing the photocatalytic material is formed on, for example, the cleaning section, a portion of the transport mechanism that contacts the cleaning liquid, or a portion of the pipe through which the used cleaning liquid passes.
【００１６】本発明において、前記光触媒性材料を含む
層が形成されている部分の基材については、ゴム製や合
成樹脂製、あるいはステンレス製である。前記光触媒性
材料を含む層が形成されている部分では油汚れが付着し
にくく、かつ、たとえ付着しても容易に洗い落とせるの
で、この部分についても、油で劣化しやすいゴム製や合
成樹脂製とすることができる。また、汚れ等の付着物そ
のものを分解するという従来の光触媒技術では、ゴム製
や合成樹脂製の基材を用いた場合にその基材自体が光触
媒分解作用で損傷してしまう問題があるが、本発明で用
いた光触媒技術は、光触媒分解作用がほとんどない状態
でも効果を発揮するので、ゴム製や合成樹脂製の基材に
対しても適用することができる。In the present invention, the substrate on which the layer containing the photocatalytic material is formed is made of rubber, synthetic resin, or stainless steel. Oil stains are less likely to adhere to portions where the layer containing the photocatalytic material is formed, and even if they adhere, they can be easily washed off. It can be. In addition, in the conventional photocatalytic technology of decomposing attached matter such as dirt, there is a problem that when a base material made of rubber or synthetic resin is used, the base material itself is damaged by the photocatalytic decomposition action. The photocatalyst technology used in the present invention is effective even in a state where there is almost no photocatalytic decomposition action, and thus can be applied to rubber or synthetic resin base materials.
【００１７】本発明において、前記光触媒性材料を含む
層が形成されている部分の基材は紫外線透過性材料から
構成されている場合に一層効果的である。通常では紫外
線が届かない場所に光触媒性材料を含む層を形成して
も、紫外線透過材料からなる基材を通して紫外線が届く
ので、かかる部分も超親水性にすることができる。In the present invention, it is more effective when the base material of the portion where the layer containing the photocatalytic material is formed is made of an ultraviolet-permeable material. Even if a layer containing a photocatalytic material is formed in a place where ultraviolet light does not normally reach, ultraviolet light reaches through a substrate made of an ultraviolet transmitting material, so that such a portion can be made superhydrophilic.
【００１８】本発明において、洗浄装置には、前記光触
媒性材料を含む層に向けて紫外線を照射する紫外線照射
装置を設けることが好ましい。紫外線照射により一旦超
親水化されると、その効果は数十時間維持されるが、予
め、洗浄装置に紫外線照射装置を設けておき、光触媒性
材料を含む層に向けて紫外線を定期的に照射してその超
親水性を高いレベルに保持することにより、油汚れの付
着を確実に防止することが好ましい。In the present invention, the cleaning device preferably includes an ultraviolet irradiation device for irradiating the layer containing the photocatalytic material with ultraviolet light. Once superhydrophilized by ultraviolet irradiation, the effect is maintained for several tens of hours, but an ultraviolet irradiation device is provided in advance in the cleaning device, and ultraviolet light is regularly applied to the layer containing the photocatalytic material. It is preferable that the superhydrophilicity is maintained at a high level to thereby prevent the adhesion of oil stains.
【００１９】[0019]
【発明の実施の形態】図面を参照して、本発明を適用し
た洗浄装置の一実施形態を説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a cleaning apparatus to which the present invention is applied will be described with reference to the drawings.
【００２０】図１は、本発明を適用した洗浄装置の概略
構成図である。なお、従来の洗浄装置と共通する機能を
有する部分には同一の符号を付してある。FIG. 1 is a schematic structural view of a cleaning apparatus to which the present invention is applied. The parts having the same functions as those of the conventional cleaning device are denoted by the same reference numerals.
【００２１】この図において、本形態の洗浄装置１は、
洗浄対象となる容器Ｗ（物品）の投入部ＩＮから洗浄後
の容器Ｗの排出部ＯＵＴに向かって容器Ｗを搬送するネ
ットコンベア３などを利用した搬送機構４と、この搬送
機構４によって搬送される容器Ｗを洗浄するための洗浄
液を容器Ｗに向けて吹き付けるノズル５０を備えるステ
ンレス製の洗浄室５と、容器Ｗから洗浄液を除去するた
めの濯ぎ槽６と、濯ぎ終わった容器を乾燥させるための
ブロアーなどの乾燥器７と、洗浄室５などに対する各種
の配管８（洗浄液供給用および洗浄液回収用）とが構成
されている。また。容器Ｗの投入部ＩＮおよび排出部Ｏ
ＵＴには、のれん状の仕切り用のゴム製カバー９、１０
を垂れ下げてある。洗浄室５にはごみ取り篭など（図示
せず。）が構成されている。In this figure, a cleaning device 1 of the present embodiment is
A transport mechanism 4 using a net conveyor 3 or the like for transporting the container W from the input section IN of the container W (article) to be cleaned to the discharge section OUT of the cleaned container W, and the transport mechanism 4 transports the container W. Stainless steel cleaning chamber 5 having a nozzle 50 for spraying a cleaning liquid for cleaning the container W to be washed toward the container W, a rinsing tank 6 for removing the cleaning liquid from the container W, and for drying the rinsed container A drying device 7 such as a blower, and various pipes 8 (for supplying a cleaning liquid and recovering the cleaning liquid) to the cleaning chamber 5 and the like are configured. Also. Input section IN and discharge section O of container W
The UT has rubber covers 9, 10 for goodwill partitions.
Is hanging down. The cleaning room 5 is provided with a garbage basket and the like (not shown).
【００２２】この洗浄装置１は、弁当箱または食品用の
通い箱などの容器Ｗの洗浄に適しており、さらには食品
取扱い機械の部品の洗浄にも適しているものであり、以
下に説明するような油汚れ対策を施してある。従って、
本形態では、後段での油汚れの付着を防止するための予
備洗浄室（図３参照）が設けられておらず、洗浄装置１
の小型化および洗浄時間の短縮を図ってある。The cleaning apparatus 1 is suitable for cleaning containers W such as lunch boxes or food return boxes, and is also suitable for cleaning parts of food handling machines, which will be described below. The countermeasures against oil stains are taken. Therefore,
In the present embodiment, a pre-cleaning chamber (see FIG. 3) for preventing the adhesion of oil stains in the subsequent stage is not provided, and the cleaning device 1 is not provided.
The size and the cleaning time are reduced.
【００２３】このように構成した洗浄装置１の油汚れ対
策として、本形態では、洗浄室５の内面および外面の双
方に、光触媒性材料含む層が形成されている。また、こ
のような光触媒性材料を含む層は、配管８のうち使用済
の洗浄液が通る部分にも形成されており、この部分の配
管８にはアクリル樹脂製の透明パイプが使用されてい
る。さらに、前記の光触媒性材料を含む層は搬送機構４
のうち洗浄液に触れるネットコンベア３にも形成されて
いる。さらにまた、この洗浄装置１は、その全体がハウ
ジング（図示せず。）で覆われているが、このハウジン
グや洗浄室５に形成されている透明なアクリル樹脂板か
らなる開閉窓（図示せず。）、さらにはゴム製カバー
９、１０にも前記の光触媒性材料を含む層が形成されて
いる。In the present embodiment, a layer containing a photocatalytic material is formed on both the inner surface and the outer surface of the cleaning chamber 5 as a countermeasure against oil contamination of the cleaning device 1 having the above-described structure. The layer containing the photocatalytic material is also formed in a portion of the pipe 8 through which the used cleaning liquid passes, and a transparent pipe made of an acrylic resin is used in the pipe 8 in this portion. Further, the layer containing the photocatalytic material is transported by the transport mechanism 4.
Of these, it is also formed on the net conveyor 3 that contacts the cleaning liquid. Furthermore, the cleaning device 1 is entirely covered with a housing (not shown), but an opening / closing window (not shown) made of a transparent acrylic resin plate formed in the housing and the cleaning chamber 5. ), And a layer containing the photocatalytic material is also formed on the rubber covers 9 and 10.
【００２４】このような光触媒性材料を含む層は、シリ
コーン樹脂と光触媒性材料である酸化チタンとを組み合
わせたコート剤を塗布して形成したもので、それに紫外
線を十分に照射すると、表面の水の接触角はほぼ０度と
なる。The layer containing such a photocatalytic material is formed by applying a coating agent comprising a combination of a silicone resin and a titanium oxide as a photocatalytic material. Is almost 0 degrees.
【００２５】すなわち、光触媒性材料を含む層が形成さ
れていない基材の表面は、水の接触角が数度から数十度
であるのに対して、図２に示すように、ステンレス表面
や樹脂表面に光触媒性材料である酸化チタンとシリコー
ン樹脂とを組み合わせたコート剤を用いて光触媒性材料
を含む層Ｔを、たとえば０．１μｍ〜５０μｍ程度形成
した後、十分な紫外線を照射すると、ステンレス表面、
ゴム表面や樹脂表面（基材Ｒの表面）の水の接触角はほ
ぼ０度となる。この理由は、基材Ｒの表面が疎水性物質
Ｒ０で覆われ水分を弾く性質をもっているのに対して、
光触媒性材料は紫外線の照射により、この疎水性物質Ｒ
０を分解し、表面に薄い水分子の層を安定的に形成する
ためと考えられる。このようにして超親水性を付与した
部分の表面は、油汚れよりも水になじみやすい。従っ
て、超親水化した部分の表面には油汚れが付着しにくい
ので、洗浄装置１を長期間にわたって清浄に保つことが
できる。That is, the surface of the substrate on which the layer containing the photocatalytic material is not formed has a contact angle of water of several degrees to several tens of degrees, whereas, as shown in FIG. After a layer T containing a photocatalytic material is formed on the resin surface using a coating agent combining titanium oxide as a photocatalytic material and a silicone resin, for example, about 0.1 μm to 50 μm and then sufficiently irradiated with ultraviolet rays, surface,
The contact angle of water on the rubber surface or the resin surface (the surface of the base material R) is almost 0 degrees. The reason is that the surface of the substrate R is covered with the hydrophobic substance R0 and has a property of repelling water,
When the photocatalytic material is irradiated with ultraviolet light, the hydrophobic substance R
This is considered to decompose 0 and stably form a thin layer of water molecules on the surface. The surface of the portion imparted with super-hydrophilicity in this way is more easily adapted to water than oil stains. Accordingly, since oil stains are unlikely to adhere to the surface of the superhydrophilized portion, the cleaning device 1 can be kept clean for a long period of time.
【００２６】また、超親水性を付与した表面に油汚れが
付着してしまっても、油汚れは水中で容易に離脱するの
で、油汚れを水だけでも容易に洗い落とすことができ
る。さらに、超親水性を付与した表面は水との親和性が
高いので、油汚れに限らずスケールなども付着しにく
く、付着しても簡単に洗い落とすことができる。それ
故、強力なアルカリ性洗剤などを用いて洗浄装置１から
油汚れなどを多大な手間とコストをかけて除去する必要
がなく、水質汚染の危惧も生じない。しかも、光触媒性
材料を含む層Ｔは、紫外線照射により一旦超親水化され
ると、その効果が数十時間も維持され、かつ、たとえ超
親水性が低下してもそれを紫外線ランプからの光に晒し
て紫外線を照射すれば、低下した超親水性が復帰すると
いう利点がある。Further, even if oil stains adhere to the surface imparted with superhydrophilicity, the oil stains are easily removed in water, so that the oil stains can be easily washed away with water alone. Furthermore, since the surface imparted with superhydrophilicity has a high affinity for water, not only oil stains but also scales and the like are hardly adhered, and even if adhered, it can be easily washed off. Therefore, there is no need to use a strong alkaline detergent or the like to remove oil stains and the like from the cleaning device 1 with great effort and cost, and there is no fear of water pollution. Moreover, once the layer T containing the photocatalytic material is superhydrophilized by irradiation with ultraviolet light, its effect is maintained for several tens of hours, and even if the superhydrophilicity is reduced, it is reduced by light from an ultraviolet lamp. Irradiation with UV light has the advantage that the reduced superhydrophilicity is restored.
【００２７】とりわけ洗浄室５の底部は、ネットコンベ
ア３の下方位置にあって洗いにくい上に、その壁面には
補強用のリブなどを構成して軽量化と強度アップの双方
を図ることが多いが、本形態では、洗浄室５内の隅々、
すなわちリブ同士の交差部分であっても油汚れやスケー
ルが付着しにくく、かつ、たとえ油汚れやスケールが付
着しても水洗いで簡単に除去できるので、洗浄室５全体
を清浄に保つことができる。それ故、洗浄室５に付着し
た油汚れが徐々に洗浄液に流出してくるということがな
いので、濯ぎ時間の短縮が可能である。In particular, the bottom of the washing room 5 is located below the net conveyor 3 so that it is difficult to wash. In addition, the walls of the washing room 5 are often provided with reinforcing ribs or the like to achieve both weight reduction and strength enhancement. However, in the present embodiment, every corner in the cleaning room 5,
That is, even at the intersection of the ribs, oil stains and scales are unlikely to adhere, and even if oil stains and scales adhere, they can be easily removed by washing with water, so that the entire cleaning chamber 5 can be kept clean. . Therefore, since the oil stain adhered to the cleaning chamber 5 does not gradually flow into the cleaning liquid, the rinsing time can be reduced.
【００２８】また、配管８内も洗いにくい部分であった
が、本形態では、油汚れやスケールが付着しにくく、か
つ、アクリル樹脂製の透明パイプを使用していることか
ら、汚れの状態を目視で確認できるとともに、内面に紫
外線を照射するのに支障がないので、配管８内も清浄に
保つことができる。さらに、ハウジングや洗浄室５の開
閉窓もアクリル樹脂板の内面に光触媒性材料を含む層Ｔ
を形成したので、油汚れなどで曇ることがない。それ
故、洗浄装置１内部を監視でき、内部の異常を早期に発
見できる。Although the inside of the pipe 8 is also difficult to wash, in this embodiment, oil stains and scales are hardly adhered, and a transparent pipe made of acrylic resin is used. Since it can be visually confirmed and there is no problem in irradiating the inner surface with ultraviolet rays, the inside of the pipe 8 can be kept clean. Further, the opening and closing windows of the housing and the cleaning chamber 5 are also provided with a layer T containing a photocatalytic material on the inner surface of the acrylic resin plate.
Formed, so that there is no fogging due to oil stains and the like. Therefore, the inside of the cleaning device 1 can be monitored, and an internal abnormality can be found at an early stage.
【００２９】また、弁当容器や食品工場との間で用いら
れる通い箱、食品工場などで用いる機械の部品は、扱う
物品が食品である以上、光触媒性材料の人体への安全性
の点が問題となるが、この光触媒技術はコンタクトレン
ズやカテーテル類などにも用いることができるため、何
ら問題はない。また、特に光触媒性材料である酸化チタ
ンは現在、食品用包装材料などに用いられており、万一
体内に混入しても危険性は少なく安全である。その上、
酸化チタンには抗菌作用があることが認められており、
光触媒性材料を含む層表面への細菌や黴の付着防止も期
待できる。[0029] In addition, lunch boxes, returnable boxes used with food factories, parts of machinery used in food factories, etc., have a problem in terms of the safety of photocatalytic materials to the human body as long as the articles handled are foods. However, since this photocatalytic technique can be used for contact lenses, catheters, and the like, there is no problem at all. In addition, titanium oxide, which is a photocatalytic material, is currently used as a packaging material for foods and the like, and even if it is mixed in any way, it is safe with little risk. Moreover,
Titanium oxide has been found to have an antibacterial effect,
Prevention of adhesion of bacteria and fungi to the surface of the layer containing the photocatalytic material can also be expected.
【００３０】また、従来であれば、油汚れが付着しやす
い部分は、油で劣化しやすいゴム製や合成樹脂製とする
ことができなかったが、このような部分であっても、本
形態では、光触媒性材料を含む層Ｔを形成してあるの
で、油汚れが付着せず、たとえ付着しても劣化する前に
水で簡単に洗い落すことができる。従って、本形態によ
れば、洗浄室５や配管８などかなり多くの部分を合成樹
脂製とすることもできる。ここで、汚れなどの不着物そ
のものを分解するという従来の光触媒技術では、ゴムや
合成樹脂など有機物の基材を用いた場合、その基材自体
を光触媒技術で損傷してしまう問題があるが、この光触
媒技術は光触媒分解作用がほとんどない状態でも効果を
発揮するので、合成樹脂製洗浄装置に用いることに問題
はない。また、基材となるゴムや合成樹脂は紫外線に曝
されると、紫外線の影響により樹脂組織の劣化が起こる
傾向にあるが、光触媒性材料を含有する層Ｔがゴムや合
成樹脂の部分の表面に形成されていることにより、光触
媒性材料が紫外線を吸収する。このため、ゴムや合成樹
脂が直接紫外線に曝されることがなく、樹脂組織の劣化
を抑制することができるので、紫外線が原因となる洗浄
装置１の損傷を抑制することができる。Further, conventionally, the portion to which oil stains easily adhere cannot be made of rubber or synthetic resin which is easily deteriorated by oil. Since the layer T containing the photocatalytic material is formed, oil stains do not adhere, and even if they adhere, they can be easily washed off with water before deterioration. Therefore, according to the present embodiment, it is possible to make a considerably large portion such as the cleaning chamber 5 and the pipe 8 from a synthetic resin. Here, in the conventional photocatalytic technology of decomposing non-adherents such as dirt, when an organic substrate such as rubber or synthetic resin is used, there is a problem that the substrate itself is damaged by the photocatalytic technology, Since this photocatalyst technique is effective even in a state where there is almost no photocatalytic decomposition action, there is no problem in using it in a synthetic resin cleaning device. Further, when the rubber or the synthetic resin as the base material is exposed to ultraviolet rays, the resin structure tends to be deteriorated by the influence of the ultraviolet rays, but the layer T containing the photocatalytic material is formed on the surface of the rubber or synthetic resin portion. , The photocatalytic material absorbs ultraviolet light. For this reason, the rubber and the synthetic resin are not directly exposed to the ultraviolet rays, and the deterioration of the resin structure can be suppressed. Therefore, the damage of the cleaning device 1 caused by the ultraviolet rays can be suppressed.
【００３１】さらに、酸化チタン（光触媒性材料）など
は安価に入手でき、かつ、シリコーン樹脂も安価である
ため、洗浄装置１の各部分に低コストで超親水性を付与
することができる。また、既存の洗浄装置を改良するに
も、シリコーン樹脂と酸化チタンとを組み合わせたコー
ト剤を塗布して触媒性材料を含む層を形成すればよい。Furthermore, since titanium oxide (photocatalytic material) and the like are available at low cost and silicone resin is also inexpensive, each part of the cleaning apparatus 1 can be provided with superhydrophilicity at low cost. Further, in order to improve the existing cleaning device, a layer containing a catalytic material may be formed by applying a coating agent combining a silicone resin and titanium oxide.
【００３２】なお、光触媒性材料を含む層を表面にコー
トした場合に、それを超親水化するためには前述のよう
に紫外線照射する必要があるが、そのためには洗浄室５
の側などに紫外線ランプなどの紫外線照射装置を配置
し、ネットコンベア３や洗浄室５などに対して定期的に
紫外線を照射してもよい。このような紫外線ランプは、
比較的に安価に入手することができる。この場合でも、
触媒性材料を含む層Ｔは紫外線照射により一旦超親水化
されると、その効果が数十時間も維持されるので、紫外
線ランプを連続点灯させておく必要がなく、作業時には
紫外線ランプを消灯させておくことで、紫外線が作業者
の網膜を傷めるのを防止できる。さらに、紫外線をネッ
トコンベア３などに対して定期的に照射すると、そこに
ある光触媒性材料の光励起と同時にネットコンベア３な
どの殺菌も併せてできるという効果がある。それ故、蒸
気などを用いた殺菌消毒を省略、あるいは簡略化するこ
とができる。When a layer containing a photocatalytic material is coated on the surface, it is necessary to irradiate ultraviolet rays as described above in order to make the layer super-hydrophilic.
An ultraviolet irradiation device such as an ultraviolet lamp may be disposed on the side of the printer, and the net conveyor 3 and the cleaning room 5 may be irradiated with ultraviolet light periodically. Such an ultraviolet lamp,
It can be obtained relatively inexpensively. Even in this case,
Once the layer T containing the catalytic material has been made superhydrophilic by irradiation with ultraviolet light, its effect is maintained for several tens of hours, so there is no need to keep the ultraviolet lamp lit continuously, and the ultraviolet lamp is turned off during work. By doing so, it is possible to prevent ultraviolet rays from damaging the retina of the worker. Furthermore, when ultraviolet rays are regularly irradiated on the net conveyor 3 and the like, there is an effect that the photocatalytic material there can be simultaneously excited and sterilized on the net conveyor 3 and the like. Therefore, sterilization using steam or the like can be omitted or simplified.
【００３３】なお、光触媒性材料と有機酸などの嫌菌材
料との組み合わせにより、ゴム製カバー９、１０、ネッ
トコンベア３、洗浄室５、配管８の内面に嫌菌性も付与
してもよい。この嫌菌性は、各種細菌が存在しがたい環
境を形成することにより、細菌が繁殖しない環境を形成
するものであり、それ自体が必ずしも殺菌作用を有する
ものではない。具体的な態様としては、シリコン樹脂に
光触媒性材料と嫌菌材料とを混練りする等の方法があ
る。It is to be noted that a combination of the photocatalytic material and a disinfectant material such as an organic acid may impart disinfectivity to the inner surfaces of the rubber covers 9 and 10, the net conveyor 3, the washing room 5 and the pipe 8. . This bactericidal property forms an environment in which various bacteria are unlikely to exist, thereby forming an environment in which bacteria do not multiply, and does not necessarily have a bactericidal action itself. As a specific embodiment, there is a method of kneading a silicon resin with a photocatalytic material and a disinfectant material.
【００３４】[0034]
【発明の効果】以上説明したように、本発明の洗浄装置
によれば、光触媒性材料を含む層を洗浄装置の所定部分
の表面に形成し、それに紫外線を十分に照射すると、表
面の水の接触角はほぼ０度となるので、超親水化した部
分の表面には油汚れが付着しにくく、たとえ付着しても
油汚れを水だけでも容易に洗い落とすことができる。そ
れ故、洗浄装置を清浄に保つことができ、弁当容器や食
品用の通い箱、食品取扱い機械の部品の洗浄に適してい
る。As described above, according to the cleaning apparatus of the present invention, a layer containing a photocatalytic material is formed on the surface of a predetermined portion of the cleaning apparatus, and when the layer is sufficiently irradiated with ultraviolet rays, water on the surface is reduced. Since the contact angle is almost 0 degrees, oil stains are less likely to adhere to the surface of the superhydrophilized portion, and even if they do, oil stains can be easily washed away with water alone. Therefore, the cleaning device can be kept clean and suitable for cleaning lunch boxes, food return boxes, and parts of food handling machines.
【図１】本発明を適用した洗浄装置の概略構成図であ
る。FIG. 1 is a schematic configuration diagram of a cleaning apparatus to which the present invention is applied.
【図２】図１に示す洗浄装置の所定部分に形成した光触
媒性材料を含む層の作用の説明図である。FIG. 2 is an explanatory diagram of an operation of a layer containing a photocatalytic material formed in a predetermined portion of the cleaning device shown in FIG.
【図３】従来の洗浄装置の概略構成図である。FIG. 3 is a schematic configuration diagram of a conventional cleaning device.
１ 洗浄装置 ３ ネットコンベア ４ 搬送機構 ５ 洗浄室 ６ 濯ぎ槽 ７ 乾燥器 ５０ ノズル ＩＮ 容器の投入口 ＯＵＴ 容器の排出口 Ｗ 容器（洗浄対象となる物品） DESCRIPTION OF SYMBOLS 1 Cleaning apparatus 3 Net conveyor 4 Transport mechanism 5 Cleaning room 6 Rinse tank 7 Dryer 50 Nozzle IN Container input port OUT Container discharge port W Container (article to be cleaned)
Claims (9)
後の物品の排出部に向かって物品を搬送する搬送機構
と、該搬送機構によって搬送される物品を洗浄するため
の洗浄部と、該洗浄部に対する配管とを有し、 当該配管、前記洗浄部または前記搬送機構の少なくとも
一部分には光触媒性材料を含む層が形成されていること
を特徴とする洗浄装置。1. A transport mechanism for transporting articles from an input section of articles to be cleaned to a discharge section of articles after cleaning, a cleaning section for cleaning the articles transported by the transport mechanism, A cleaning device, comprising: a pipe for the cleaning unit, wherein a layer containing a photocatalytic material is formed on at least a part of the pipe, the cleaning unit, or the transport mechanism.
酸化チタンであることを特徴とする洗浄装置。2. The cleaning apparatus according to claim 1, wherein the photocatalytic material is titanium oxide.
は、弁当箱、食品の通い箱、および食品取扱い機械の部
品のうちのいずれかであることを特徴とする洗浄装置。3. The cleaning device according to claim 1, wherein the article is any one of a lunch box, a food box, and a part of a food handling machine.
前記光触媒性材料を含む層は、前記洗浄部に形成されて
いることを特徴とする洗浄装置。4. The method according to claim 1, wherein
The cleaning device, wherein the layer containing the photocatalytic material is formed in the cleaning unit.
前記光触媒性材料を含む層は、前記配管のうち使用済の
洗浄液が通る部分に形成されていることを特徴とする洗
浄装置。5. The method according to claim 1, wherein
The cleaning apparatus, wherein the layer containing the photocatalytic material is formed in a portion of the pipe through which a used cleaning liquid passes.
前記光触媒性材料を含む層は、前記搬送機構のうち洗浄
液に触れる部分に形成されていることを特徴とする洗浄
装置。6. The method according to claim 1, wherein
The cleaning device, wherein the layer containing the photocatalytic material is formed in a portion of the transport mechanism that contacts a cleaning liquid.
前記光触媒性材料を含む層が形成されている部分の基材
は合成樹脂製、あるいはステンレス製であることを特徴
とする洗浄装置。7. The method according to claim 1, wherein
A cleaning device, wherein a base material of a portion where the layer containing the photocatalytic material is formed is made of a synthetic resin or stainless steel.
前記光触媒性材料を含む層が形成されている部分の基材
は紫外線透過性材料から構成されていることを特徴とす
る洗浄装置。8. The method according to claim 1, wherein
The cleaning device according to claim 1, wherein a portion of the substrate on which the layer containing the photocatalytic material is formed is made of an ultraviolet-transmissive material.
さらに、前記光触媒性材料を含む層に向けて紫外線を照
射する紫外線照射装置を有していることを特徴とする洗
浄装置。9. The method according to claim 1, wherein
The cleaning apparatus further includes an ultraviolet irradiation device that irradiates the layer containing the photocatalytic material with ultraviolet light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26616597A JP3650513B2 (en) | 1996-09-30 | 1997-09-30 | Cleaning device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29309196 | 1996-09-30 | ||
| JP8-293091 | 1996-09-30 | ||
| JP26616597A JP3650513B2 (en) | 1996-09-30 | 1997-09-30 | Cleaning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10216665A true JPH10216665A (en) | 1998-08-18 |
| JP3650513B2 JP3650513B2 (en) | 2005-05-18 |
Family
ID=26547332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26616597A Expired - Fee Related JP3650513B2 (en) | 1996-09-30 | 1997-09-30 | Cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3650513B2 (en) |
-
1997
- 1997-09-30 JP JP26616597A patent/JP3650513B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP3650513B2 (en) | 2005-05-18 |
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