WO2003045445A1 - Recipient de pasteurisation - Google Patents

Recipient de pasteurisation Download PDF

Info

Publication number
WO2003045445A1
WO2003045445A1 PCT/JP2002/012090 JP0212090W WO03045445A1 WO 2003045445 A1 WO2003045445 A1 WO 2003045445A1 JP 0212090 W JP0212090 W JP 0212090W WO 03045445 A1 WO03045445 A1 WO 03045445A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
ultraviolet
sterilization
belt conveyor
sterilized
Prior art date
Application number
PCT/JP2002/012090
Other languages
English (en)
Japanese (ja)
Inventor
Seisuke Takashima
Ryosuke Murayama
Masatoshi Iida
Masayoshi Furuhashi
Original Assignee
Iida Kensetu Co., Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Iida Kensetu Co., Ltd. filed Critical Iida Kensetu Co., Ltd.
Publication of WO2003045445A1 publication Critical patent/WO2003045445A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/26—Accessories or devices or components used for biocidal treatment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08—Radiation
    • A61L2/10—Ultraviolet radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/12—Apparatus for isolating biocidal substances from the environment
    • A61L2202/122—Chambers for sterilisation

Definitions

  • the present invention relates to a container (apparatus) used for sterilizing microorganisms adhering to an article, and in particular, to prevent contamination by an article having microorganisms adhering to its surface and unspecified majority of the articles being contaminated with microorganisms. This is related to the container for sterilization used to prevent the problem. Profile:
  • Known methods for disinfecting microorganisms including viruses include sterilization using radiation such as gamma-I and a hot spring, sterilization using agents such as ethylene oxide, formaldehyde, and glutaraldehyde, and sterilization using high-pressure steam. On the other hand, a perfect sterilization effect has been obtained at medical sites.
  • the article to be sterilized in the present invention is an article for which it is unknown whether or not it is contaminated by microorganisms. Therefore, it is necessary to prevent unspecified majority from being contaminated by microorganisms such as bacteria. Sterilization methods are nearly impossible to achieve.
  • the sterilization means by irradiating gamma rays etc. of the It is a type that is inappropriate and impractical for installation in places where a large number of unspecified people such as postal mailers use it.
  • the above-mentioned method using chemicals is not practical, and the sterilization method using high-pressure steam also has a problem such as damage to a target object such as a large-sized mail of a sterilization apparatus.
  • the present invention provides a sterilization container which sterilizes using ultraviolet light and has a relatively simple structure and a sufficient sterilization effect. Disclosure of the invention
  • a first configuration of the container for sterilization of the present invention includes an input port for inputting an object to be sterilized, a sensor installed near the input port and the like for detecting input of an input, And an ultraviolet irradiation device that is turned on by detection of the input material, and the inner surface of the container is a reflective surface.
  • a roller provided near the article input port and an input article provided on the side opposite to the input port of the roller 1 are arranged in a predetermined direction. It has at least a guide for enabling movement, and an ultraviolet light emitting device in which an ultraviolet ray generating tube is positioned so as to surround the guide.
  • an article to be sterilized is inserted through the input port, the article is opened. It is configured to be moved by a stirrer, moved further in a certain direction by a guide by the feeder, and then dropped to the bottom of the container, while moving along the guide by the feeder
  • the article to be sterilized is irradiated with ultraviolet rays generated by an ultraviolet light emitting tube to be sterilized and sterilized.
  • the sterilization container of the second configuration if another ultraviolet ray generator is arranged while the article moved along the guide falls, the sterilization effect is further enhanced.
  • the inner wall surface of the container be a reflecting surface that reflects ultraviolet rays, similarly to the container of the first configuration. Further, it is more preferable that the reflecting surface is a diffuse reflecting surface in the container having the first and second configurations.
  • the third configuration of the container for sterilization of the present invention is such that light is easily transmitted through a conveyor belt portion disposed in the vicinity of the charging port in the container, such as a metal mesh or a band-like material having a large number of small holes.
  • a plurality of belt conveyors including a belt conveyor made of a belt-like object and another belt conveyor of the same configuration arranged side by side below the belt conveyor are provided, and further, above each belt conveyor and inside each belt conveyor. It has an ultraviolet ray generating tube (ultraviolet lamp) arranged on the side opposite to the side where the object is placed on the belt that carries the object.
  • a plurality of belt conveyors are all arranged vertically one above the other, and after the object placed on the uppermost belt conveyor moves from one end to the other end, the lower one of the lower conveyors is disposed. It is configured to move to the next belt conveyor, move in the opposite direction, and thus move downward sequentially.
  • each of the belt conveyors has the same configuration. As they are sequentially transferred to the lower tier and are illuminated from above and below by the ultraviolet lamps emitted from the ultraviolet lamps on each belt conveyor and the ultraviolet lamps placed inside the belt conveyor, almost complete sterilization is possible It is.
  • the inventor of the present invention has been conducting research on the bactericidal effect of ultraviolet rays for many years, including joint research with Toho University School of Medicine, and has been accumulating a large number of results.
  • Microorganisms are broadly classified into bacteria and fungi. Of these, bacteria are classified according to their physiology, such as positive / negative for Gram staining, presence or absence of sporulation, and the like.
  • UV resistance to these microorganisms is generally greater for fungi than for bacteria.
  • bacteria spores, Bacillus subtilis, and Bacillus anthracis have high UV resistance.
  • acillussubtilis and Bacillusanthracis respectively, 7.1 and 4.5 mW-sec / cm 2 , so if the illuminance at all points in the container is 2 OmW ⁇ sec / cm 2
  • the microorganisms applied and adhered to the surface of the object are completely sterilized.
  • the most bactericidal action against various types of microorganisms having different structures and properties is ultraviolet rays in the UV-C range, and the wavelength range is 200 ⁇ ⁇ ! ⁇ 280 nm, especially ultraviolet light with a wavelength of 254 nm has strong bactericidal action.
  • bacteria such as Bacillus anthracis, which have spores inside the cells, are, for example, methicillin-resistant bacilli that cause nosocomial infections (Methici 11-).
  • R esistant S tap hy lococcus Au rous, although somewhat higher UV resistance than MRS A.), but still ensure that it is almost completely sterilized at 10-20 seconds at an intensity 10 mW ⁇ sec / cm 2 ing.
  • the ultraviolet ray in the UV-C region has the most bactericidal action, and the ultraviolet ray in the wavelength range of 200 nm to 280 nm has the disadvantage that shadows appear on the object. is there.
  • the inventor of the present invention has conceived to make it possible to irradiate an irradiation object with ultraviolet rays from as many directions as possible in order to solve this drawback.
  • the first means is to make the inner surface of the container for sterilization a reflective surface or a diffuse reflective surface, so that ultraviolet rays emitted from one or many ultraviolet devices are repeatedly reflected by the inner surface of the container, and all objects to be sterilized can be treated. Irradiation was possible from the direction.
  • the inner surface of the container a diffuse reflection surface, ultraviolet rays reflected on the inner surface are diffused, and the object to be sterilized can be irradiated from more directions by repeated diffuse reflection.
  • the sterilization container according to the first configuration of the present invention is obtained by applying the first means.
  • the second means is to pass the sterilized irradiation target between the generating tubes of the UV device.
  • an ultraviolet device By constructing an ultraviolet device, it is possible to directly irradiate the object to be sterilized with ultraviolet light, and to irradiate the object from various directions.
  • This second means is applied to the sterilization container of the second configuration of the present invention.
  • the third means is to arrange a plurality of belt conveyors in which the conveyor belt is configured to transmit ultraviolet light such as a metal mesh on the upper and lower sides, and to provide an ultraviolet ray generating tube on each belt conveyor and in the belt conveyor.
  • ultraviolet light such as a metal mesh on the upper and lower sides
  • ultraviolet ray generating tube on each belt conveyor and in the belt conveyor.
  • FIG. 1 is a schematic diagram showing a configuration of a first embodiment of the present invention
  • FIG. 2 is a schematic diagram showing a configuration of a second embodiment of the present invention
  • FIG. FIG. 4 is a plan view of a part of an ultraviolet lamp used in the second embodiment.
  • FIG. 4 is a front view of a third embodiment of the present invention.
  • FIG. FIG. 6 is a diagram showing an internal configuration of the third embodiment, and FIG. 6 is a belt conveyor used in the third embodiment.
  • FIG. 1 corresponds to the first configuration of the sterilization container of the present invention, in which ⁇ denotes a container such as a post having an inlet 1 a, 2 denotes a sensor provided near the inlet 1 a, Numeral 3 is an ultraviolet ray generator installed on the ceiling of the container 1, which is covered with a 1-2 mesh stainless steel mesh to prevent breakage.
  • This UV generator 3 The sensor is configured to generate, for example, 10 W ⁇ sec / cm 2 of ultraviolet rays by detecting the input material with the sensor 12, and stop the generation of the ultraviolet rays after a predetermined time has elapsed.
  • the wall surface of the container 1 is a reflection surface or a diffuse reflection surface.
  • the ultraviolet ray generator when an article (mail) is inserted from the input port 1a and the sensor 2 detects the article, the ultraviolet ray generator is turned on and turned on.
  • the article is irradiated from above, and the ultraviolet rays are repeatedly reflected on the inner wall surface, so that the article is irradiated from multiple directions, so that there is almost no shadow part that is not irradiated. Therefore, even if the articles are contaminated with microorganisms, they are almost completely sterilized, and at least to a level where there is no danger of infection.
  • the inner wall surface of the container is a diffuse reflection surface
  • the ultraviolet light generated by the ultraviolet ray generator and reflected by the diffuse reflection surface is diffused, so that it is possible to irradiate articles from more directions. It is effective.
  • the sensor used in the container for sterilization may be, for example, a sensor having a configuration in which an opening and closing door is provided at an input port and which is turned on when the door is opened or an optical sensor is provided at an input port. May be detected.
  • the present invention is applied to a post box, if the postal matter is a thin one such as a postcard, it is necessary to devise the mounting position of the sensor. Therefore, when the present invention is used for a postbox, the former type in which the switch works by opening and closing the door is preferable.
  • the take-out port is locked until a predetermined time elapses after the introduction.
  • this sterilization container is configured to stop the irradiation of the ultraviolet ray after a predetermined time has elapsed after the ultraviolet lamp is turned on, the lock of the outlet may be released by stopping the irradiation. This eliminates the risk of workers being exposed to UV radiation when removing mail.
  • the first embodiment has a very simple structure in which a sensor and an ultraviolet ray generator are provided in a normal container, and the inner surface is a reflecting surface or a diffusing reflecting surface. It is possible to sterilize.
  • the shape of the container itself may be a rectangular shape, a cylindrical shape, or the like, but at least the reflection surface or the diffuse reflection surface is preferably made to have a cylindrical shape due to repeated reflection. Irradiation of ultraviolet rays from each direction is possible, which is preferable. Further, the reflection surface may have another shape as long as the shape allows irradiation of uniform ultraviolet light from each side.
  • a cover made of a substance having a high transmittance of ultraviolet light or a cover made of a metal mesh it is preferable to provide a cover made of a substance having a high transmittance of ultraviolet light or a cover made of a metal mesh.
  • FIG. 2 shows a second embodiment of the present invention, which is a sterilization container corresponding to the above-described second configuration of the present invention, which is also an example in which a postbox is provided with a sterilizing action. is there.
  • reference numeral 11 denotes a container (post box) having a mail inlet 11a
  • 12 denotes a rubber or a roughened surface provided at the inlet 11a (slip-added).
  • a roller made of metal or the like, 13 is a guide in which two sheets of a plate made of a material that transmits ultraviolet light such as quartz, for example, are arranged with a space through which mail can pass
  • 14 is a guide 13
  • a helical UV lamp (first UV lamp) is formed so as to cover the surface
  • 15 is the power supply of the ultraviolet I device
  • 16 is another helical UV lamp (second UV lamp).
  • the first ultraviolet lamp 14 has a configuration as viewed from above as shown in FIG. 3, and as is apparent from FIGS. It is arranged so that it winds.
  • the second ultraviolet lamp 16 is arranged along the side wall of the container (bost) as shown in FIG. 2, and when an article such as a mail item falls after passing through the guide 13, the second ultraviolet lamp 16 is turned on. It is configured to pass between the fountain lamps 16.
  • the guide used in the second embodiment is made of a material that transmits ultraviolet light, such as quartz, but the transmittance of ultraviolet light may be reduced due to dirt or the like. . In order to avoid this disadvantage, it may be formed by a metal mesh or the like.
  • the container for sterilization (postbox equipped with a sterilizing device) of the present invention is fed by a roller 11 when a postal matter 10 to be irradiated is inserted from an input port 11a, and is fed by a guide 13 Move through. While the mail 10 passes between the guides 13, the irradiation of ultraviolet rays from the first ultraviolet lamp 14 is performed from above, below, right and left, and sterilization by the ultraviolet rays is performed. When the mail 10 passes between the guides 13, the mail 10 falls from the guide 13 and falls between the other second ultraviolet lamps 16. Even during this fall, it is irradiated with ultraviolet rays from the ultraviolet lamp 16 to further perform a bactericidal action.
  • Articles such as postal matter input in the above operation are placed on the guide 13 apart from the roller 13. Further, when the next mail or other article is input, the mail or other article on the guide 13 is pushed and falls from the guide 13.
  • the roller 12 is always rotated or configured to rotate when an article is inserted into the roller 112 so that mails and the like are automatically sent.
  • the length of the guide 13 is made shorter than the length of the mail, so that the mail 13 is dropped at the stage when the transfer of the mail by the roller 11 is completed, so that each of the inputted mail is After passing through guides 13, it is preferable to make sure that they fall every time.
  • setting the guide length to less than half the length of the postcard can prevent a thin postcard from being left on the guide.
  • the postal matter 10 is thrown in and falls to the bottom of the boss 11, the postal matter is irradiated with ultraviolet rays from various directions, and even if bacteria are attached to the postal matter, it is almost completely sterilized.
  • the microorganism-immersed and dried powder placed in the envelope is crushed when the envelope is thrown in and sent by the outlet 12, which damages the packaging material and fills the envelope. While being stored in the container, it is harmless when irradiated with ultraviolet rays.
  • the inner surface of the boss is made to be a reflective surface, the ultraviolet light emitted from the ultraviolet light emitting device is reflected many times by the reflective surface, so that irradiation can be performed repeatedly and from different directions. Is performed.
  • the inner wall surface of the container is made to be a diffuse reflection surface
  • the ultraviolet light emitted from the ultraviolet lamp is diffused by the diffuse reflection surface to become a wide spread ultraviolet light, and is repeatedly reflected by the diffuse reflection surface. Irradiation of the article from more directions will result in near-perfect sterilization without any inadequate sterilization due to radiation leakage.
  • the shape of the container, at least the shape of the reflection surface be a shape that enables uniform irradiation from each direction as described in the first embodiment.
  • the container for sterilization according to the second embodiment is provided with a mouthpiece and a guide, so that an article moving along the guide is surrounded by an ultraviolet lamp so as to surround the article. Sterilized by direct irradiation, the bactericidal effect is more dog-like. In addition, re-irradiation of the article falling away from the guide enables more reliable sterilization.
  • the inner wall surface of the container is used as a reflecting surface, it is possible to irradiate all parts by repeatedly reflecting ultraviolet rays and irradiating the article with the ultraviolet rays, and more complete sterilization can be performed. Here, it is more effective if the reflecting surface is a diffuse reflecting surface.
  • the sterilization container of the second embodiment has a slightly more complex structure than the sterilization container of the first embodiment, but the sterilization action is more reliable. Particularly suitable for sterilizing postal items such as postcards and sealed letters.
  • the inner surface of the container is a reflection surface or a diffuse reflection surface. This keeps the inside of the container always sterile.
  • at least the outer surface of the object to be illuminated (object to be sterilized), such as a mail, is completely irradiated with the ultraviolet light by reflection or diffuse reflection by the reflection surface of the ultraviolet light, and almost completely sterilized. Becomes possible.
  • the sterilization container of the second configuration is made of a material having a smooth surface so that the object to be sterilized can be easily moved through the guide, and does not absorb ultraviolet light, and transmits ultraviolet light. It must be made of a material, for example, an expensive material such as quartz.
  • the object to be sterilized sent by the roller 1 is pushed by the object to be sterilized subsequently sent by the roller 1. As a result, it is necessary to move on the guide and drop it. However, there is no guarantee that the object to be sterilized will move along the guide and drop from the guide to the bottom of the container.
  • the container for sterilization of the second embodiment cannot be applied to an object other than a thin and flat material such as a postal matter which can be transported by a roller, such as a mail.
  • a third embodiment of the present invention described below has a configuration in which ultraviolet rays emitted from an ultraviolet lamp can directly irradiate almost all surfaces of an object to be irradiated. Therefore, in the third embodiment, almost the entire surface of the irradiation target can be completely sterilized in a relatively short time. This is particularly effective for flat objects such as mail.
  • the sterilization container of the third embodiment is also an example of a post box.
  • FIG. 4 is an external view (front view), and FIG. 5 is a diagram showing an internal configuration.
  • reference numeral 20 denotes the outer wall of the post
  • 21 denotes the mail inlet
  • 22 denotes the mail collector's mouth.
  • 31, 33, and 35 denote belt conveyors each driven by a driving mechanism such as a motor, and the belt is made of metal (stainless steel). Less, etc.) It is formed by mesh.
  • the three belt conveyors of the first belt conveyor 31, the second belt conveyor 33, and the third belt conveyor 35 are vertically arranged in three stages.
  • 36, 37, 38, 39, 40, and 41 are all ultraviolet lamps. The ultraviolet lamp 36 is located above the first belt conveyor 31 and the ultraviolet lamp 37 is located at the top.
  • the ultraviolet lamp 3 8 is on the top of the second belt conveyor 3 3, and the ultraviolet lamp 3 9 is in the inside of the second belt conveyor 3 3, the ultraviolet lamp 4 0 is located above ⁇ of the third belt conveyor 35, and the ultraviolet lamp 41 is located inside the first belt conveyor 35.
  • guides 4 2, 4 3, and 4 4 are all guides, and guide 4 2 is used to move postal objects from the first belt conveyor 31 to the second belt conveyor 33.
  • Guide 43 is a guide for moving an illuminated object from the second belt conveyor 33 to the third belt conveyor 35
  • Guide 44 is a third belt. It is a guide to move from Conveyor 135 to Container Bottom 23 (near the collection / delivery port).
  • the object to be irradiated is directly irradiated with ultraviolet rays from above by the ultraviolet lamp 36.
  • it is directly irradiated with ultraviolet rays from below by an ultraviolet lamp 37 arranged in the first belt conveyor 31.
  • the object to be irradiated is directly irradiated with ultraviolet rays from both the upper and lower sides by the ultraviolet lamps 36 and 37. In this way, while the object to be irradiated is being moved in the direction of the arrow by the first belt conveyor 31, ultraviolet irradiation is performed from above and below.
  • the irradiated object is moved to the end (right side in the drawing) by the first belt conveyor 31, the irradiated object is dropped from the first belt conveyor 31 and is moved to the first guide 42.
  • the object to be illuminated on the second belt conveyor 133 is moved in the opposite direction by the second belt conveyor 133. In other words, it moves from the right side to the left side in FIG.
  • the object to be irradiated is directly irradiated with ultraviolet rays from above by an ultraviolet lamp 38.
  • the object to be irradiated is directly irradiated with ultraviolet rays from below through a mesh belt conveyor by an ultraviolet lamp 39 disposed in the second belt conveyor 33.
  • the irradiation target moves while being irradiated with ultraviolet rays from above and below from the ultraviolet lamps 38 and 39. Then, the irradiated object reaches the end (left end) of the second belt conveyor 133, and drops to the third belt conveyor 35. Also at this time, it falls along the guide 43 and falls on the third belt conveyor 135.
  • the irradiated object that has dropped onto the third belt conveyor 135 moves by the third belt conveyor 35.
  • the object to be irradiated is directly irradiated from above and below by the ultraviolet lamp 40 and the ultraviolet lamp 41 arranged in the third belt conveyor 35.
  • the illuminated object falls from its end (the right end in the drawing) to the bottom of the container by the third belt conveyor 35. I do.
  • the guide 44 also falls near the collection and delivery port in the center of the container.
  • the irradiated object that has fallen to the bottom of the container in this way can be taken out by opening the collection and delivery port.
  • the object to be irradiated is While moving on the belt conveyor, the front and back surfaces are irradiated with ultraviolet rays and sterilized, so they are extremely efficiently sterilized.
  • the light is irradiated from below the ultraviolet lamp inside the belt conveyor, the shadow of the belt mesh will be produced, but the other belt conveyors will be moved sequentially and repeated irradiation by multiple belt conveyors will be performed.
  • a relatively uniform sterilization effect is possible.
  • the object to be irradiated is inverted when moving from the upper belt conveyor to the middle belt conveyor, so that the object is irradiated by the ultraviolet lamp in the belt conveyor during transfer by the upper belt conveyor.
  • the surface faces upward in the middle belt conveyor due to the reversal. Therefore, during the transfer by the belt conveyor at the middle stage, it is irradiated with ultraviolet rays by the ultraviolet lamp arranged above. Therefore, more complete sterilization becomes possible.
  • FIG. 6 is an enlarged view showing an example of a belt conveyor used in the sterilization container according to the third embodiment.
  • FIG. 6 (A) is an example of the upper belt conveyor 31 in FIG. 5, (B) is an example of the middle and lower belt conveyors 33, 35 in FIG. 5, and (C) is (A) (B) is a view seen from the right side of (B).
  • 51 is a belt made of stainless steel mesh so as to transmit the ultraviolet rays from the ultraviolet lamp 37, and 52 and 53 are guide plates placed on both sides of the belt 51. It is provided to prevent the irradiated object from falling off the belt conveyor 51 during transfer.
  • the other guide plate 52 that is, the guide plate 52 on the side of the input port of the container has a cutout portion 52a that is larger than the width of the input port at a portion closest to the input port.
  • the guide plate 53 on the opposite side of the entrance has no cutout.
  • the middle belt conveyor and the lower belt conveyor have the configuration shown in FIG. 6 (B).
  • the belt conveyor has the same structure as the upper belt conveyor in that neither guide plate has a notch. It is different from the belt conveyor.
  • the sterilization container according to the third embodiment allows more complete sterilization by increasing the number of belt conveyors. Further, if only the upper and lower belt conveyors are used, it is possible to arrange the belt conveyor even in a small container having a small space.
  • the object to be sterilized is placed on the uppermost belt conveyor and falls from the lowermost belt conveyor, and is further transported by the belt conveyor. During that time, UV irradiation is performed.
  • the irradiation time of the object to be sterilized by ultraviolet rays is determined by the length of the conveyor belt of each belt conveyor and the moving speed. Therefore, it is preferable that the irradiation time is determined by the moving speed of the belt conveyor so that the sterilization is completely performed in any case.
  • the moving speed of the belt of the belt conveyor is sufficiently reduced, the sterilization is completely performed.
  • the movement speed is adjustable.
  • the container for sterilization it is dangerous to take out the object to be sterilized from the collection and delivery port when the ultraviolet lamp is turned on. Therefore, it is preferable to lock the collection and delivery port so that it cannot be opened while the UV lamp is on. Conversely, when the collection port is open, it is desirable that the ultraviolet lamp not be turned on even if the object to be sterilized is inserted through the input port. In this case, the belt conveyor is not operated.
  • the sterilization container of the third embodiment it is preferable to provide a sensor at the input port of the container. Then, when the sterilizing object is detected by this sensor, the operation of the belt conveyor and the turning on of the ultraviolet lamp may be performed. After detecting the sterilizing object by the sensor, the operation of the belt conveyor is stopped and the ultraviolet lamp is turned off. The operation time may be set so that sterilization by irradiation with ultraviolet rays is completely performed. As a result, the object to be sterilized can be completely sterilized, and unnecessary operation of the belt conveyor and turning on of the ultraviolet lamp can be prevented.
  • the first, second, and third embodiments show examples in which the postbox is provided with sterilizing means as a sterilizing container.
  • sterilizing means as a sterilizing container.
  • the mail is put into a collection bag located near the bottom of the post. Therefore, it is conceivable that microorganisms adhere to this collection and delivery bag. If the collection and delivery bag is made of cloth, there is a risk that microorganisms attached to the collection and delivery bag will infect the rooster S.
  • using a metal mesh for the collection and delivery bag also enables sterilization of the interior of the collection and delivery bag.
  • the sterilization container of the present invention is not limited to mail items, but may be obtained by inserting a substance that may adhere to microorganisms from an input port, performing sterilization by ultraviolet rays inside, and removing the container. Hands to reduce infection by attached bacteria Use as a step is also possible.
  • the sterilization container of the present invention such as the post box of the first, second, and third embodiments has a bacterium or the like adhered to the input object, and the bacterium or the like is attached to a post box or the like. Even if it is contained in the air in the container or adheres to the container wall, it is almost completely sterilized by irradiation with ultraviolet rays. I mean.
  • the inside of the container of the present invention, such as a post is always in a sterilized state, and the sterilizing action is complete. Also, even if the mail is thrown in without bacteria, etc., it will not be contaminated at all by bacteria that have adhered to others and have scattered in the container. Industrial applicability
  • the container for disinfection of the present invention has a simple structure and is capable of irradiating ultraviolet rays from all directions to the article by simply introducing an article to which microorganisms are likely to adhere from the inlet, thereby causing infection.
  • Almost complete sterilization which is a level at which there is no risk of disease, is possible, and it is extremely effective, for example, in preventing unspecified number of diseases caused by microorganisms attached to mail.
  • the sterilization container of the second configuration is extremely effective in sterilizing microorganisms attached to mail.

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

L'invention concerne un récipient de pasteurisation, avec lequel un article susceptible d'avoir été contaminé par des bactéries et similaires est pasteurisé, afin de protéger un nombre non spécifié de sujets d'être infectés. Ledit récipient comprend une lampe à rayons ultraviolets (3) située dedans. Au moins lorsqu'un article est introduit dans le récipient (1), ledit article est pasteurisé par exposition aux rayonnements d'une lumière ultraviolette provenant de la lampe (3). En outre, la paroi intérieure (4) du récipient fait office de face de réflexion des rayons U.V. ou de face de diffusion/réflexion pour exposer l'article à l'action des rayonnements provenant de toutes les directions, ce qui garantit un effet de pasteurisation.
PCT/JP2002/012090 2001-11-29 2002-11-20 Recipient de pasteurisation WO2003045445A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001-364161 2001-11-29
JP2001364161 2001-11-29

Publications (1)

Publication Number Publication Date
WO2003045445A1 true WO2003045445A1 (fr) 2003-06-05

Family

ID=19174392

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/012090 WO2003045445A1 (fr) 2001-11-29 2002-11-20 Recipient de pasteurisation

Country Status (1)

Country Link
WO (1) WO2003045445A1 (fr)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5737450A (en) * 1980-08-14 1982-03-01 Nippo Denki Kk Sterilizing apparatus of medical instrument
JPS5856633B2 (ja) * 1980-08-14 1983-12-15 ニッポ電機株式会社 食品等殺菌装置
JPS61141368A (ja) * 1984-12-13 1986-06-28 大和製罐株式会社 空缶輸送用ハ−ドボ−ドの殺菌方法及び装置
JPS61153485A (ja) * 1984-12-27 1986-07-12 ホトンセラミツクス株式会社 マツトレスの乾燥及び殺菌装置
JPH0316943U (fr) * 1989-06-30 1991-02-20
JPH047843U (fr) * 1990-05-08 1992-01-24
JPH0565339U (ja) * 1992-02-20 1993-08-31 サンデン株式会社 記録担体用殺菌装置
JPH05266298A (ja) * 1992-03-18 1993-10-15 Hitachi Ltd 自動機
JP3054605U (ja) * 1998-06-02 1998-12-08 俊幸 新村 除菌装置
JPH119666A (ja) * 1997-06-19 1999-01-19 Duskin Co Ltd スリッパ消毒供給装置
JPH1156982A (ja) * 1997-08-27 1999-03-02 Shiyoutetsu Hirabayashi スリッパ殺菌装置
JP3062281U (ja) * 1999-03-18 1999-09-28 俊幸 新村 除菌装置
JP2000023613A (ja) * 1998-07-13 2000-01-25 Sanuki Menki Kk 麺生地熟成装置および麺生地熟成方法

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5737450A (en) * 1980-08-14 1982-03-01 Nippo Denki Kk Sterilizing apparatus of medical instrument
JPS5856633B2 (ja) * 1980-08-14 1983-12-15 ニッポ電機株式会社 食品等殺菌装置
JPS61141368A (ja) * 1984-12-13 1986-06-28 大和製罐株式会社 空缶輸送用ハ−ドボ−ドの殺菌方法及び装置
JPS61153485A (ja) * 1984-12-27 1986-07-12 ホトンセラミツクス株式会社 マツトレスの乾燥及び殺菌装置
JPH0316943U (fr) * 1989-06-30 1991-02-20
JPH047843U (fr) * 1990-05-08 1992-01-24
JPH0565339U (ja) * 1992-02-20 1993-08-31 サンデン株式会社 記録担体用殺菌装置
JPH05266298A (ja) * 1992-03-18 1993-10-15 Hitachi Ltd 自動機
JPH119666A (ja) * 1997-06-19 1999-01-19 Duskin Co Ltd スリッパ消毒供給装置
JPH1156982A (ja) * 1997-08-27 1999-03-02 Shiyoutetsu Hirabayashi スリッパ殺菌装置
JP3054605U (ja) * 1998-06-02 1998-12-08 俊幸 新村 除菌装置
JP2000023613A (ja) * 1998-07-13 2000-01-25 Sanuki Menki Kk 麺生地熟成装置および麺生地熟成方法
JP3062281U (ja) * 1999-03-18 1999-09-28 俊幸 新村 除菌装置

Similar Documents

Publication Publication Date Title
US7829016B2 (en) C-band disinfector
US8895940B2 (en) Switch sanitizing device
US9387268B2 (en) Compositions and methods for UV sterilization
US7217936B2 (en) System and method for product sterilization using UV light source
JP2012516197A (ja) 空気と表面を消毒するための方法と装置
JP2012516197A5 (fr)
WO2002076513A1 (fr) Procede et appareil pour la sterilisation rapide d'objets a forme irreguliere
CN101360516A (zh) 紫外线杀菌照射在卫生保健环境中的应用
US20140271348A1 (en) Instrument disinfector
US20220047736A1 (en) Uv pathogen control device and system
CN101401949A (zh) 灭菌的方法
US9511160B1 (en) Wrinting instrument sterilizer
CN113041370A (zh) 隧道输送式紫外线新冠病毒杀菌消毒设备
US20210346538A1 (en) Currency sanitizer
JP2003225288A (ja) 殺菌用容器
CN113546186A (zh) 托盘消毒装置
JP6386586B2 (ja) 除染装置
US20220047765A1 (en) UV Air and Surface Disinfection Apparatus
JP3037936B2 (ja) 光照射による殺菌方法
GB2498541A (en) Apparatus and method for all-around dry disinfection
WO2003045445A1 (fr) Recipient de pasteurisation
US20220362426A1 (en) Decontamination of germs on human touch points
US20070173193A1 (en) Dangerous Mail Handler
US20210403176A1 (en) Black Landing System
WO2022051693A1 (fr) Décontamination de germes sur des points de contact humains

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LU MC NL PT SE SK TR

121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase