WO2017136586A1 - Système de transport désinfectant - Google Patents

Système de transport désinfectant Download PDF

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Publication number
WO2017136586A1
WO2017136586A1 PCT/US2017/016272 US2017016272W WO2017136586A1 WO 2017136586 A1 WO2017136586 A1 WO 2017136586A1 US 2017016272 W US2017016272 W US 2017016272W WO 2017136586 A1 WO2017136586 A1 WO 2017136586A1
Authority
WO
WIPO (PCT)
Prior art keywords
enclosure
light
conveyor system
disinfecting
air
Prior art date
Application number
PCT/US2017/016272
Other languages
English (en)
Inventor
Troy Smith
Drew JAWORSKI
Original Assignee
Radiant Industrial Solutions Llc
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 Radiant Industrial Solutions Llc filed Critical Radiant Industrial Solutions Llc
Publication of WO2017136586A1 publication Critical patent/WO2017136586A1/fr
Priority to US16/053,673 priority Critical patent/US20180343898A1/en
Priority to US16/894,016 priority patent/US20200297004A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, 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
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, 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
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/26—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by irradiation without heating
    • A23L3/28—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by irradiation without heating with ultraviolet light
    • 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
    • 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

Definitions

  • This invention relates to the conveyance or transport through conveyor systems for disinfecting products including foods, containers, or food touch materials as they pass throug the conveyor.
  • the objective is to create a sanitizing
  • Conveyor systems for disinfecting products can overheat, dry, o change the properties of the products, resulting in a critical property change or increase bacteria or pathogen growth or an undesirable change in the product due to exposure to elevated temperatures as well as over exposure to technology intervention.
  • a bread product moving through a disinfecting conveyor may be heated from a ultraviolet (UV) light source, thereby creating on increasing bacteria and or changing the quality texture, dryness of the bread.
  • bacteria may grow on components of the conveyor system, such as the conveyor belt and the bacteria may be transferred to other products as they move through the conveyor.
  • the invention is directed to a disinfecting conveyor system and/or sanitizing, complete irradiation of microbes, system that enables a controlled dose of UV light to be provided to a product at a controlled environment, wherein the temperatur humidity and/or gas exposure is controlled.
  • an exemplary disinfecting conveyor system provides a flow of filtered air into the disinfection enclosure.
  • An exemplary disinfecting conveyor system comprises a control system that monitors the UV light intensity and/or dose of UV Sight as well as temperature within the disinfecting enclosure.
  • the disinfecting conveyor system is configured to meet FDA title 21 standard, wherein the system destroys all pathogens but not necessarily all viruses.
  • the current FDA title 21 standard, as of filing of this application, is hereby incorporated by reference herein.
  • An exemplary disinfecting conveyor system comprises a conveyor that extends through an enclosure.
  • the conveyor has a receiving end and a deliver end.
  • Product is received on the receiving end of the conveyor, passes through the enclosure where it receives a dose of UV light, and is removed from the conveyor on the delivery end.
  • a conveyor may extend completely through an enclosure and extend out from inlet and/or outlet end of the enclosure,
  • a conveyor may comprise a conveyor belt that spins or rotates to move a product through the enclosure.
  • a conveyor belt may comprise a plurality of apertures to enable UV light to pass therethrough.
  • conveyor belt may comprise apertures that make up a substantial portion of the conveyor belt surface, wherein the aperture conveyo belt has a percent open area of at least about 50%, or mor preferably at least about 75%, and even more preferably at least about 90 or more, A large percentage open area will enable more of a product resting on the conveyor belt to be exposed to UV light as it passes through the disinfecting conveyor system,
  • a conveyor belt may be plastic or metal and is preferably a surface the prevents microbial formation.
  • the conveyor belt, or portion thereof may be a metal having apertures or a metal net, mesh or woven screen material to allow UV light to pass therethrough
  • a metal conveyor belt may be steel, stainless steel, aluminum, copper, and may consists of or comprise a metal that is natural antimicrobial including, but not limited to, titanium, cobalt, nickel, copper, zinc, zirconium, molybdenum, tin, and lead.
  • a conveyor belt may be made out of a plastic, and preferably a plastic that is resistant to degradation from UV light exposure including, but not limited to Acetai homopolymer, Nylon, Poiybutylene terephthalate (PBTj, polyethylene (PE), high density polyethylene (HOPE), pofyvinylidene fluoride (PVDF), polyetherimide (PEI), polyozymethylene (POM), fiuoropoiymers, Fluorinated ethylene propylene (PEP), THV (tetrafluoroethytene, hexafiuoropropyiene and vtnylidene fluoride), blend or composites of thes maierials and the like.
  • PBTj polyethylene
  • HOPE high density polyethylene
  • PVDF pofyvinylidene fluoride
  • PEI polyetherimide
  • POM polyozymethylene
  • FOM fluorinated ethylene propylene
  • THV te
  • a conveyor belt or portion thereof may be made out of plastic that comprises apertures therethrough, such as a plastic net or woven plastic material.
  • a belt may have a support structure and then be coated with a UV resistant polymer.
  • a belt may be a metallic screen or net that is coated with Acetai, or nylon for example.
  • An exemplary disinfecting conveyor system comprises a plurality of UV Sight sources configured to project UV tight onto a product as A moves through the enclosure.
  • UV light may be provided by elongated bulbs, typically cylindrical tubes, that emit the UV light over an elongated length of the bulb, such a at least about iOcm or more, or 25cm or more, or 50cm or more and any range between and including the lengths provided.
  • a UV light source may be a light emitting diode, (LED), and a plurality of LED lights may be configured in a single light fixture, UV light is used to kill or inactivate microorganisms by destroying nucleic acids and affecting their DNA.
  • UV light can interfere with an organisms' metabolic system and reproductive processes, rending the organism no longer pathogenic. UV light can be used for destroying pathogens or organisms including, but not limited to molds, bacteria and viruses. The dosage recommended to destroy and/or deactivate the organism varies. Table 1 provides a list of organisms and the dosage level recommended for deactivation by UV light.
  • VRE Vancomycin Resistant Enterococci
  • UV light spans wavelengths from 400nm to 10nm.
  • UV light sources that produce UV Sight with wavelengths of 200 to 280nm may be used for destroying microorganism and UV light in the range of about 25Qnm to 2S0nm may be particularly effective for disinfection applications.
  • a plurality of UV light sources are configured produce exposure to the UV light substantially 360 degrees about the product as it moves through the enclosure. As a product moves through the enclosure, it may be effectively exposed to UV light whereby substantially the entire outer surface of the product is exposed to UV light, wherein at ieast about 90% of the outer surface is exposed to UV Sight directly or indirectly, such as through reflected light.
  • the plurality of UV light sources may be configured in any suitable location within the enclosure and in an exemplary embodiment, at least some of the UV light sources are configured above the fo surface or top span of the conveyor belt and at least some of the UV light sources are configured below the top span of the conveyor belt.
  • UV light sources ma be configured below the top span of the conveyor belt and above the bottom span or return span of the conveyor belt, or below the bottom span or return span of the conveyor belt.
  • reflective materials may be configured to reflect UV witin the enclosure, such a titanium dioxide (Ti02) that may be configured on the interio walls of the enclosure or on a conveyor belt and the coated with a UV transparent plastic, for example,.
  • Th UV Sight sources may be any suitable power level and may vary depending on the number of sources configured within the enclosure. UV Sight sources having an output of 5W or more, 10W or more, SOW or more may be used in the disinfecting conveyor system.
  • An exemplary disinfecting conveyor system comprises a UV light sensor configured within the enclosure to measure the intensity of the UV light within the enclosure.
  • One or more stationary UV Sight sensors may be configured within the enclosure and provide UV light intensity measurements to a controi system.
  • the control system may change the number of UV lights that are operating, or the power level to the UV lights in order to maintain a desired or input UV light intensity level
  • a disinfecting conveyor system comprises a conveyor UV light sensor that is coupled with the conveyor and monitors the UV light intensity as it moves through the enclosure.
  • the measured UV light intensity as a function of time may be used to calculate a UV exposure dose for a product that moves through the enclosure. Different products may require different dose of UV to ensure effective disinfection.
  • meat products may require a higher dose of UV light than bread.
  • a user may input the dose requirement or type of food product for disinfecting through a user input and the control system may modify the speed of the conveyor and the UV light intensity produced by the plurality of UV lights to ensur that this threshold UV dose level is achieved.
  • An exemplary disinfecting conveyor system comprises a user input that enables a user to input a UV light intensity value, a UV light dose or the type of material to be treated with the UV, i.e., meats, dry goods, vegetables, packaging, etc.
  • the controi system of the disinfecting conveyor system may then receive inputs such as a measured UV light intensity, speed of the conveyor, and the like, and use these readings to change one or more settings of the conveyor system.
  • a user may input a desired dose of UV for a product and the control system may utilize a measured UV light intensity value and the speed of the conveyor to determine the dos that will be provided, or may set the UV light intensity or speed of the conveyor to ensure that the product receives the required dose.
  • An algorithm or computer program within the control system may also allow a user to set the dose and speed, within limits, and the control system may determine the number and/or intensity of the UV lights required to achieve the required UV light dose.
  • the controller may alert the user if they try to set a speed that is too high, wherein the product would not receive an effective UV light dose even with the UV lights on to a maximum set point.
  • a control system may receive input that the UV light intensity is below an input UV light intensity value, due to one or more UV Sight sources going out, and may then turn on additional UV light sources or increase the intensity of UV light produced by the remaining UV light sources.
  • a warning signal may be generated by the control system, such as a flashing light or alarm sound, to indicate that the disinfecting conveyor system is not performing to input set points, such as UV light intensity being below or above a set point value.
  • An exemplary disinfecting conveyor system comprises an air filtration system configured to remove particles from inlet air and deliver a flow of clean air as a process air into the enclosure.
  • An air filtration system may be configured to be HE PA efficient thereby removing 99.7% of 0.3pm or larger particles, or ULPA efficient removing 99.999% of 0.1 pm or larger particles from the inlet air flow, in an exemplary embodiment, the filtration system removes at least 99.95% of 0.3pm or larger particles from th inlet air>
  • the clean air may be subsequently introduced into the air cooling system 80 or these systems may be reversed having the inlet ai cooled prior to being filtered.
  • An inlet air duct may be configured to extend through a portion of the enclosure and be exposed to the UV light.
  • An inlet air duct ma be made out of material that is translucent or preferably transparent to UV light, thereby exposing the inlet air to the UV light for the purposes of destroying any
  • An air inlet duct may be made out of UV transparent plastic or a ceramic, such as glass, for example.
  • An exemplary disinfecting conveyor system comprises an air cooling system configured to cool the inlet air to produce a cooled airflow for deliver as process air into the enclosure.
  • Products such as food products, may require that the temperature be maintained below a threshold temperature to reduce the potential of bacteria growing and/or to prevent undesirable cooking of the food.
  • the temperature sensor within the enclosure may monitor the temperature and provide an enclosure temperature reading to a control system that regulates the amount and/or temperature of the process air entering the enclosure.
  • the control system may be a part of th air cooling system or a separate control system.
  • An exemplary control system has a user input feature to allow a user to set the threshold
  • An exemplary disinfecting conveyor system comprises air in!et vents that provide air flow into the enclosure and these may be configured to provide a uniform and laminar flow of air over the product.
  • a laminar flow of air may prevent unwanted stirring of the air or removal of debris from the product as it passes through the conveyor.
  • An air inlet vent may be an air-knife that produces a laminar flow of air.
  • the air inlet vents are configured above the conveyor and produce a flow of air that flows down over the product and into air exhaust vents that are configured below the conveyor. In this way, any debris will be removed from the enclosure by the flow of air from top to bottom.
  • the air exhaust vents may comprise a trap to collect any debris. Process air may be recirculated to the air filtration and cooling system.
  • An exemplary disinfecting conveyor system comprises a replaceable piastic or quartz liner thai extends around a portion of the conveyor and within the enclosure and is UV transparent.
  • a replaceable liner may ensure that bacteria or other microorganism tha may grow within the enclosure and debris from the enclosure and/or conveyor drive system from contaminating product.
  • replaceable liner may have apertures for the UV light sources and/or for the airflow into or out of the enclosure, in addition, a separator may be configured over a portion of the conveyor, such as over the top surface of the conveyor to prevent any debris, such as a ruptured UV light bulb, from failing down onto the conveyor or product.
  • a separator may be configured only under the UV light sources or may extend over the to surface of the conveyor and may be UV light translucent or UV tight transparent and may be permeable to allow air flow through the separator. It may be preferred that the separators only extend under the tight sources to allow flow of cooling air down onto the produce without being Impeded by a separator. This may be important to produce a laminar flow down over the product,
  • the process air may be controlled to a set or desired humidity level. It may be preferred to reduce the humidity level of the process air, such as through the air conditioning system which comprises a dehumidsfication attribute, or a designated dehumidsfieatlon unit, it may be desirable to reduce the humidity down to about 50% or less, or about 30% or less, or about 10% or less. Low humidity may prevent growth of bacteria, in addition, a gas may be introduced into the conveyor system, such as an inert gas including nitrogen, for example, or any other suitable inert gas. This may also reduce the bacteria growth as it reduces the oxygen level.
  • a gas may be introduced into the conveyor system, such as an inert gas including nitrogen, for example, or any other suitable inert gas. This may also reduce the bacteria growth as it reduces the oxygen level.
  • Figure 1 shows a perspective view of an exemplary disinfecting conveyor system comprising a conveyor that extends through an enclosure having filtered and cooled air.
  • Figure 2 shows a side view of an exemplary disinfecting conveyor system comprising a conveyor belt having apertures therethrough to enable th UV Sight to be incident on the product from the top and bottom.
  • FIG. 3 shows a graph of an output from a conveyor UV sensor.
  • Figure 4 shows an inlet end of an exemplary disinfecting conveyor having a receiving end of the conveyo belt.
  • the terms “comprises,” “comprising,” “includes,” “including,” “has,” “having” or any other variation thereof, are intended to cover a non-exclusive inclusion.
  • a process, method, article, or apparatus that comprises a list of elements is not necessarily limsted to only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
  • use of "a” or “an” are employed to describe elements and components described herein. This is done merely for convenience and to give a general sense of the scope of the invention. This description should be read to include one or at least one and the singular also includes the plural unless it is obvious that it is meant otherwise.
  • an exemplary disinfecting conveyor system 10 comprises a conveyor 30 having a belt 32 that extends through an enclosure 20.
  • the enclosure has a length 23 from an inlet 22 to the outlet 24.
  • a product 11 such as a food product, may traverse through the enclosure on the conveying surface 31 of the conveyor belt 32 and receive exposure to UV light that effectively disinfects the product.
  • the conveying surface 31 is the top surface 37 of the conveyor belt that transports the product from the inlet 22 to the outlet 24 of the enclosure and comprises apertures 39 therethrough to allow UV light from the UV iight sources 52" below the top span 42 of the conveyor.
  • bottom UV light sources may be between the fop span and bottom span 44, as shown in FIG. 2, of the conveyor.
  • a plurality of UV Iight sources 52-52" are configured to expose substantially the entire outer surface of the product to UV light.
  • a plurality of UV light sources are configured above the conveyor belt and a plurality of UV Sight sources are configured below the top span of the conveyor belt and may be below the bottom span of the conveyor, UV light may cause an undesirable rise in temperature of the product and the disinfecting conveyor system provides a flow of cool air, or process air 68 into the enclosure to maintain a temperature below a threshold temperature.
  • a control system 90 having a user input feature 92 and a microprocessor 94, allows a user to input a threshold temperature. As described herein the threshold
  • the control system may run a program or algorithm to determine the speed and/or light intensity required to provide an effective UV light dose.
  • An air cooling system 80 comprising an air-conditioner 82 to cool inlet air 68 and a temperature sensor 84 configured to measure the temperature within the enclosure and provide feedback to the control system.
  • the flow and/or temperature of the process air 88 may be automatically controlled by the control system based on the temperature sensor reading and the input threshold temperature 86.
  • the exemplary disinfecting control system further comprises an air filtration system 60 comprising air filters 64 that remove particles from the inlet air 66 to produce clean air 67.
  • An air filtration system may be configured to be HEPA or efficient thereby removing 99.7% of 0.3pm or larger particles, or ULPA efficient removing 99,999% of 0.1 jum or larger particles from the inlet air flow.
  • the filtration system removes at least 99.95% of 0.3pm or larger particles ' from, the inlet air.
  • the clean air 87 may be subsequently introduced into the air cooling system 80 or these systems may be reversed having the inlet ai cooled prior to being filtered.
  • the process air 68 is introduced into the enclosure through air inlet vents 70.
  • the process air flows down over the product and into air exhaust vents 72. This top to bottom flow of process air ensures that any debris from the product will be pushed dow and out of the enclosure to prevent bacteria from forming within the enclosure.
  • a positive flow of air 75, 75' flows out of the enclosure from the inlet 22 and outlet 24, respectively, and prevents debris from entering into the enclosure.
  • Curtains or other closures may be configured to close or partially close the inlet and/or outlet to prevent debris from entering.
  • the exhaust air 69 may be recirculated back to the air filtration and/or air cooling system.
  • the inlet air 66 is drawn Into an inlet air duct 62 that extends within the enclosure 20 and is exposed to the UV Iight 53 from the UV light source 52.
  • This exposure to the U light source treats and disinfects the inlet air prior to being introduced into the air filtration and air cooling systems.
  • Exposing thenlet air to the UV Sight before entering the ai filtration system may be an effective way to reduce or eliminate any growth of microbes in the filtration system, or extend the life of the filtration system.
  • the inlet air duct may be made out of a material: that allows UV light transmission therethrough, such as a clear plastic or glass material.
  • a separator 58 is configured under the UV light sources to capture any debris that might fall from the UV Sight sources.
  • an exemplary disinfecting conveyor system 10 comprises a conveyor belt 32 having a length 35 f om the receiving end 34 to the delivery end 36.
  • the conveyor belt has a top span 42 and a bottom span 44 and a drive 40 to spin the conveyor belt.
  • the speed of the conveyor may be determined by a speed sensor 49.
  • the conveyor belt has a top surface 37, a bottom surface 38 and a plurality of apertures 39 therethrough, from the top surface to the bottom surface.
  • the apertures allow UV light to pass through to expose substantially the entire outer surface of the product 11 to UV light
  • the apertures enable the UV light to be incident on the product through the bottom surface of the top span 42 of the conveyor belt.
  • a UV fight sensor 54 is configured to read a level of UV tight with the enclosure and provide this reading to the control system.
  • a conveyor UV iight sensor 55 is coupled to th conveyor and moves through the enclosure on the conveyor. The conveyor UV Sight sensor provides a UV light reading as a function of time. As the conveyor UV Sight sensor 55 enters the enclosure 20 it has a rapid increase in the UV light reading and as the conveyor UV light sensor 55 exits the enclosure 20 it has a rapid decrease in the UV Sight reading, as shown in FIG. 3. The total UV light exposure can be calculated by the control system and used to increase the UV light intensity or the speed of the conveyor to ensure that an effective amount of UV Iight exposure ss provided for a given type of product.
  • the output from a conveyor UV sensor enables the control system to calculate UV light exposure, or dose of UV light that a product passing through the disinfecting conveyor system receives.
  • the U light intensity mVV/cm 2 and time are used to calculate the UV dose,
  • an exemplary disinfecting conveyor system 10 has an Inle o an opening to the enclosure 20, The receiving end of the conveyor belt
  • I t 34 has a product 11, disposed thereon for moving through the disinfecting conveyor system.
  • a faminar air flow 69 within the enclosure keeps the product cool whil the UV light disinfects the product.
  • the enclosure has a positsve exit air flow 75 from th inlet 22 opening and from the out opening to ensure no contamination enters into the enclosure.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Nutrition Science (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

La présente invention concerne un système de transport désinfectant qui utilise la lumière ultraviolette pour désinfecter un produit lors de son passage dans une enceinte sur un transporteur, un capteur de lumière ultraviolette fournit une rétroaction à un système de commande qui peut changer la quantité d'exposition à la lumière ultraviolette, la vitesse du transporteur, la réaction de désinfection. Un capteur de combat ultraviolet peut être relié au transporteur et l'intensité de lumière ultraviolette et le temps d'exposition à l'intérieur de l'enceinte peuvent être utilisés pour calculer une lumière ultraviolette proche, un utilisateur du système peut introduire une dose requise de lumière ultraviolette ou du type de produit à désinfecter et le système de commande peut commander automatiquement la vitesse du transporteur et/ou l'intensité de lumière ultraviolette pour fournir la dose d'ultraviolet requise. Le système peut utiliser un système de refroidissement et/ou de filtration d'air pour fournir un flux d'air de traitement propre et frais à l'enceinte afin de maintenir une température inférieure à une température seuil.
PCT/US2017/016272 2016-02-02 2017-02-02 Système de transport désinfectant WO2017136586A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US16/053,673 US20180343898A1 (en) 2016-02-02 2018-08-02 Disinfecting conveyor system
US16/894,016 US20200297004A1 (en) 2016-02-02 2020-06-05 Disinfecting conveyor system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201662289990P 2016-02-02 2016-02-02
US62/289,990 2016-02-02

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US16/053,673 Continuation-In-Part US20180343898A1 (en) 2016-02-02 2018-08-02 Disinfecting conveyor system

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Cited By (4)

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Publication number Priority date Publication date Assignee Title
CN112456013A (zh) * 2020-11-24 2021-03-09 贵州省黔安食品加工有限公司 一种学生餐食品加工的传输装置
IT201900025138A1 (it) * 2019-12-20 2021-06-20 Dds Elettr S R L Sistema di trasporto
CN113117106A (zh) * 2021-04-09 2021-07-16 厦门大学 一种基于深紫外的冷链货物全方位消毒装置
ES2899048A1 (es) * 2020-09-09 2022-03-09 Germibac Control S L Dispositivo para esterilizacion de maletas, contenedores o similar

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Publication number Priority date Publication date Assignee Title
JPH0720576A (ja) * 1993-06-29 1995-01-24 Iwasaki Electric Co Ltd 紫外線照射装置
US20080230726A1 (en) * 2007-03-23 2008-09-25 Ushiodenki Kabushiki Kaisha Foil trap and extreme ultraviolet light source device using the foil trap
CN103480019A (zh) * 2013-08-23 2014-01-01 苏州康华净化系统工程有限公司 一种紫外线消毒系统
EP2705858A1 (fr) * 2012-08-09 2014-03-12 Pol-Pack Service S.A. Tunnel de désinfection, en particulier pour la désinfection de surface d'objets
US20150024096A1 (en) * 2013-07-19 2015-01-22 Leslie D. Leech Method and means for extending the shelf life of food products

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0720576A (ja) * 1993-06-29 1995-01-24 Iwasaki Electric Co Ltd 紫外線照射装置
US20080230726A1 (en) * 2007-03-23 2008-09-25 Ushiodenki Kabushiki Kaisha Foil trap and extreme ultraviolet light source device using the foil trap
EP2705858A1 (fr) * 2012-08-09 2014-03-12 Pol-Pack Service S.A. Tunnel de désinfection, en particulier pour la désinfection de surface d'objets
US20150024096A1 (en) * 2013-07-19 2015-01-22 Leslie D. Leech Method and means for extending the shelf life of food products
CN103480019A (zh) * 2013-08-23 2014-01-01 苏州康华净化系统工程有限公司 一种紫外线消毒系统

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900025138A1 (it) * 2019-12-20 2021-06-20 Dds Elettr S R L Sistema di trasporto
ES2899048A1 (es) * 2020-09-09 2022-03-09 Germibac Control S L Dispositivo para esterilizacion de maletas, contenedores o similar
CN112456013A (zh) * 2020-11-24 2021-03-09 贵州省黔安食品加工有限公司 一种学生餐食品加工的传输装置
CN113117106A (zh) * 2021-04-09 2021-07-16 厦门大学 一种基于深紫外的冷链货物全方位消毒装置

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