WO1996002282A1 - Element de fermeture - Google Patents

Element de fermeture Download PDF

Info

Publication number
WO1996002282A1
WO1996002282A1 PCT/GB1995/001650 GB9501650W WO9602282A1 WO 1996002282 A1 WO1996002282 A1 WO 1996002282A1 GB 9501650 W GB9501650 W GB 9501650W WO 9602282 A1 WO9602282 A1 WO 9602282A1
Authority
WO
WIPO (PCT)
Prior art keywords
disinfectant
deodorant
receptacle
closure member
carrier
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.)
Ceased
Application number
PCT/GB1995/001650
Other languages
English (en)
Inventor
Roger Basil Lawson Scheepers
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CASTLEGATE TRADING Ltd
Original Assignee
CASTLEGATE TRADING 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
Priority claimed from ZA954645A external-priority patent/ZA954645B/xx
Application filed by CASTLEGATE TRADING Ltd filed Critical CASTLEGATE TRADING Ltd
Priority to AU28961/95A priority Critical patent/AU705271B2/en
Publication of WO1996002282A1 publication Critical patent/WO1996002282A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F7/00—Cleaning or disinfecting devices combined with refuse receptacles or refuse vehicles
    • 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
    • A61L11/00—Methods specially adapted for refuse
    • 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—Disinfection or sterilisation of materials or objects, in general; Accessories therefor
    • A61L2/16—Disinfection or sterilisation of materials or objects, in general; Accessories therefor using chemical substances
    • A61L2/18—Liquid substances
    • 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
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
    • A61L9/042—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating with the help of a macromolecular compound as a carrier or diluent
    • 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
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
    • A61L9/12—Apparatus, e.g. holders, therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/10—Refuse receptacles; Accessories therefor with refuse filling means, e.g. air-locks

Definitions

  • THIS invention relates to a closure member.
  • Bins and other waste receptacles usually have a closure member in the form of a lid to retain, not only the waste matter itself but also any vapours and odours generated by it, within the receptacle.
  • a closure member in the form of a lid to retain, not only the waste matter itself but also any vapours and odours generated by it, within the receptacle.
  • any disease-causing microorganisms within the material be retained within the receptacle.
  • the lids are ill fitting and allow odours and microorganisms to escape.
  • very potent disinfecting chemicals including sulphur dioxide (SO,) are placed in the base of the receptacle in an attempt to disinfect the waste and to camouflage any odours which may result from the waste.
  • a method of disinfecting and/or deodorising waste material in a receptacle comprises dispensing, substantially continuously, vaporised disinfectant and/or deodorant at or above the level of the waste material in the receptacle so that an amount of the deodorant and/or disinfectant circulates in an area above the level of waste material in the receptacle and downwardly through the material to disinfect and/or deodorise the interior of the receptacle.
  • the deodorant and/or disinfectant is preferably contained within a carrier and preferably contains a biocide.
  • the carrier is preferably suspended above the level of waste material in the receptacle.
  • a closure member for a receptacle comprises a body which is attachable to the receptacle and a carrier retainer positioned on or in the body for retaining a liquid- or solid- material impregnated carrier therein, the body being movable relative to the receptacle between an open position and a closed position and the carrier retainer being positioned so that an amount of the liquid or solid becomes vaporised as the body is moved, and is dispersed inside the receptacle.
  • the body is preferably a flap which is pivotable relative to a frame which is attachable to the receptacle.
  • the carrier retainer is preferably a slideway attached to the underside of the flap.
  • the closure member is preferably moulded in a plastics material and the slideway is preferably moulded integrally with the flap.
  • the slideway preferably has an exposed surface and a number of apertures defined in its exposed surface to allow a passage of air into the slideway and over the carrier to facilitate the vaporisation of the liquid or solid within the carrier.
  • the apertures near one side of the slideway are preferably larger than the other apertures.
  • the retaining means is preferably angled in the closed position of the body and the slideway is preferably positioned with the larger apertures in a lower position to allow a greater passage of air over the carrier in this region where the deodorant and/or disinfectant tends to accumulate.
  • the carrier may be a fibrous material or a plastics material which is impregnated with the deodorant and/or disinfectant. If it is a fibrous material, it is preferably contained within a sleeve which transmits the deodorant and/or disinfectant in the carrier to the atmosphere.
  • the sleeve may be made of a plastics material, more preferably polyethylene, or of vermiculite.
  • the rate of transmission of the deodorant and/or disinfectant may be controlled by varying the thickness of the plastics material.
  • a waste receptacle and closure member assembly comprises a waste receptacle and a closure member attachable to it, the closure member comprising a body which is attachable to the receptacle and retaining means positioned on or in the body for retaining a liquid- or solid-impregnated carrier therein, the body being movable relative to the receptacle between an open position and a closed position and the retaining means being positioned so that an amount of the liquid or solid becomes vaporised as the body is moved, and is dispersed inside the receptacle.
  • Figure 1 shows a pictorial view of a waste receptacle and closure member assembly of the invention
  • Figure 2 shows a pictorial view of the assembly of Figure 1 with the closure member in an open configuration
  • Figure 3 is a sectional side view on 3-3 in Fisure 2;
  • Figure 4 is an exploded view of another closure member for a waste receptacle showing a carrier retainer and a carrier;
  • Figure 5 is a sectional side view through the assembled closure member and carrier retainer of Figure 4.
  • Figure 6 is a sectional side view of a different carrier retainer
  • Figure 7 is a sectional side view through a waste receptacle with a carrier retainer mounted on its side wall.
  • the method of disinfecting and/or deodorising waste material, typically sanitary waste material, in a receptacle involves placing a disinfectant and deodorant mixture-impregnated carrier at or above the level of the waste material in the receptacle so that the deodorant disinfectant mixture circulates downwardly through the space above the level of waste material in the receptacle and through the waste material itself.
  • This system has been found to be far more effective than placing solid or liquid disinfectant in the bottom of the receptacle, which in time becomes covered with waste material, and which has little or no deodorising or disinfecting effect on waste material near the top of the receptacle.
  • the vaporised deodorant disinfectant mixture permeates downwardly, continuously, through the waste material to the bottom of the waste material exerting a continuous bacteriocide and disinfecting and deodorising effect. This also allows the bin to be left for a longer period before it must be emptied and cleaned. Less toxic chemicals are required for effective long term disinfecting and bacterial inhibition as evidenced by the following tests conducted over a six week period.
  • the present arrangement can, of course, be used in conjunction with a system where a disinfectant chemical is placed in the bottom of the bin.
  • the deodorant/disinfecting mixture is released from a point at least partly above the level of the waste in the receptacle so that the deodorant and disinfectant is released into the space above the waste material.
  • the disinfectant/deodorant mixture kills bacteria and other microorganisms in and on the waste material and also acts as an aerial bacteriocide, killing bacteria and other microorganisms floating in the space above the waste material in the receptacle. This substantially eliminates the emission of bacteria and other microorganisms from the receptacle when it is opened. This also kills, and therefore inhibits growth of, bacteria and other microorganisms which enter the receptacle from the outside atmosphere when the receptacle is opened. It has been found that by using the method of the invention a bin full of waste emits substantially no odour after a prolonged period of time and there is sustained inhibition of bacterial growth, as evidenced by the results set out below.
  • a unique closure member for a waste receptacle incorporating a retainer for the deodorant/disinfectant mixture carrier has been developed and forms another aspect of the invention.
  • a closure member of the invention designated 10 in Figures 1 , 2 and 3, hereinafter referred to as the lid 10, comprises a generally V-shaped body 12 with a top flap 16 and a bottom flap 18 joined at an apex 19.
  • the body 12 is attached to a frame 20 which slides over the top of a waste receptacle or bin 11, as shown clearly in Figure 3.
  • the apex 19 of the body 12 is pivotally attached to the frame 20 by a pair of opposed pins 22, shown in Figure 3.
  • a carrier retainer in the form of a slideway 30 is integrally moulded on the underside of the top flap 16 as shown in Figures 2 and 3. It is sized to accommodate and retain a carrier in the form of a fibrous web 26 of a liquid deodorant/disinfectant mixture-impregnated material.
  • the carrier can also be in the form of a solid plastics material, for example polyvinyl chloride (PVC) which has been impregnated with the deodorant/disinfectant mixture or admixed with this mixture prior to molding.
  • PVC polyvinyl chloride
  • the plastics carrier controls the release of the mixture, helping to ensure its sustained release.
  • a plurality of apertures or perforations 34 are defined in the exposed surface 32 of the slideway 30 so that as the lid 10 is moved from its closed to its open position to receive an article of waste on its lower flap 18, air passes through the apertures 34, over the web 26, and the liquid within the web 26 is vaporised.
  • the lid 10, and thus the slideway 30 are made from polypropylene which does not react with alcohol and other solvents in the deodorant/disinfectant mixture.
  • the movement of the lid 10 causes a flow of air over the apertures in the slideway 46 which ensures that a certain amount of the deodorant/disinfectant mixture becomes entrained in the air within the bin. It has been found that the entrain ent is not substantially reduced by attaching the slideway to a side of the bin, as shown in Figure 7, as long as this is above the level of waste material in the bin and as long as there is a reasonable flow of air over it.
  • the carrier retainer may also be formed separately from the lid 10. This embodiment is illustrated in Figures 4 and 5.
  • the carrier retainer comprises a polypropylene base 40 which is attachable to the top flap 16 by adhesive. It has a series of clips 42 extending from it which clip into recesses 44 formed in a slideway 46 which hold the slideway 46 against the top flap 16.
  • the slideway 46 may have a plurality of longitudinal ridges 45 formed along its inside surface 47, as shown in the sectional side view of Figure 6, to support the carrier 26 off the surface 47.
  • the carrier 26 is contained within a polyethylene sleeve 48.
  • This sleeve 48 ensures that the liquid disinfectant/deodorant mixture does not leak onto the lid 10 and is not evaporated too quickly. However, it also has an osmotic- or wick-type effect on the liquid mixture, allowing its transmission through the sleeve and into the atmosphere.
  • the rate of transmission of the liquid mixture can be controlled by increasing or decreasing the thickness of the polyethylene sleeve.
  • the slideway 46 extends across substantially the entire width of the flap 16 while the carrier 26, with dimensions of 190 mm x 50 mm, is slightly shorter which restricts unauthorised access to it and limits pilferage.
  • the apertures 34 in the exposed surface 32 of the slideway are arranged in three parallel rows.
  • the top row 34c contains the largest apertures. These larger apertures 34c ensure a greater flow of air to the carrier and thus greater entrainment of the disinfectant/deodorant mixture.
  • the top flap 16 in its closed position is angled downwardly.
  • the liquid deodorant/disinfectant mixture within the carrier tends to accumulate at the downward edge of the carrier where the apertures 34c are situated, thus ensuring a greater entrainment of the deodorant and disinfectant.
  • the liquid deodorant/disinfectant mixture contains a pleasant smelling perfume as well as a disinfectant and a biocide.
  • the dispersion of this vaporised material each time the lid 10 is opened assists in circulating it around the inside of the bin 11 and in disinfecting the contents of the bin from the top of the bin downwardly.
  • a certain amount of the vaporised mixture also passes out through the V-shaped opening in the lid 10 between the top and bottom flaps and masks any odours which may have built up within the bin 1 1.
  • the rest is dispersed around the interior of the bin 1 1 when the lid 10 has been closed and the top flap 16 seals against the frame 20.
  • the weight of the slideway 46 tends to pull the lid 10 downwardly causing the lid to close quickly.
  • the downward pull also improves the seal between the top flap 16 and the frame 20 making it substantially air tight. This reduces the evaporation of deodorant and disinfectant to the air around the bin and ensures that it is retained within the bin where it has its maximum effect. It also limits the inflow of fresh air. which will have a certain amount of bacteria and other microorganisms contained in it, into the bin.
  • soiled sanitary dressings were placed in container arrangements of the invention, labelled A, B and C. Soiled sanitary dressings were also placed in standard containers, not containing carriers, as controls. The efficacy of the container arrangements of the invention was tested against the following test organisms:
  • the soiled sanitary towels were prepared by soaking them with 5ml of fresh human blood and applying 1ml of test organism to them.
  • E.coli S.aureus Str. faecal is Pr.vulgaris

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)
  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Glass Compositions (AREA)
  • Seal Device For Vehicle (AREA)
  • Pens And Brushes (AREA)

Abstract

Procédé destiné à désinfecter et/ou désodoriser des déchets dans un réceptacle et consistant à délivrer, de manière sensiblement continue, une vapeur désinfectante et/ou désodorisante au niveau des déchets ou au-dessus de ce niveau, dans le réceptacle, de manière qu'une certaine quantité de désodorisant et/ou de désinfectant circule dans une zone située au-dessus du niveau des déchets dans le réceptacle ainsi que vers le bas, à travers les matières, de façon à désinfecter et/ou désodoriser l'intérieur du réceptacle. Le désinfectant peut comprendre un mélange d'un parfum et d'un bactéricide porté par l'excipient.
PCT/GB1995/001650 1994-07-13 1995-07-12 Element de fermeture Ceased WO1996002282A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU28961/95A AU705271B2 (en) 1994-07-13 1995-07-12 A closure member

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ZA94/5087 1994-07-13
ZA945087 1994-07-13
ZA954645A ZA954645B (en) 1994-07-13 1995-06-06 A closure member
ZA95/4645 1995-06-06

Publications (1)

Publication Number Publication Date
WO1996002282A1 true WO1996002282A1 (fr) 1996-02-01

Family

ID=27142412

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1995/001650 Ceased WO1996002282A1 (fr) 1994-07-13 1995-07-12 Element de fermeture

Country Status (3)

Country Link
AU (1) AU705271B2 (fr)
NZ (1) NZ289196A (fr)
WO (1) WO1996002282A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0826610A1 (fr) * 1996-07-30 1998-03-04 Störk-Küfers, Paul Poubelle munie d'un couvercle avec un filtre
FR2766799A1 (fr) * 1997-08-04 1999-02-05 Sarl Matrival Dispositif de recuperation de produits usages, notamment des piles
ES2153250A1 (es) * 1997-07-21 2001-02-16 Pereira Rosendo Garcia Contenedor higienico.
WO2001019707A1 (fr) * 1999-09-15 2001-03-22 Joris Georges Mertens Appareil de collecte des ordures
FR2811575A1 (fr) * 2000-07-11 2002-01-18 Plastic Omnium Cie Dispositif pour diffuser au moins un principe actif dans un bac pour la collecte des dechets
FR2887152A1 (fr) * 2005-06-17 2006-12-22 Matfor Soc Par Actions Simplif Dispositif diffuseur d'odeurs
EP2305579A1 (fr) * 2009-10-01 2011-04-06 Compagnie Plastic Omnium Bac de collecte de déchets muni d'un logement de réception d'un élément anti-odeurs
WO2012116986A3 (fr) * 2011-02-28 2012-10-26 Sangenic International Ltd Dispositif de stockage de déchets amélioré et cassette
CN110844408A (zh) * 2019-11-30 2020-02-28 中国人民解放军陆军军医大学第一附属医院 一种自密封式化疗用品垃圾存储装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1503304A (en) * 1975-04-30 1978-03-08 Reckitt & Colmann Prod Ltd Dispenser device for attachment to the lids of dustbins and the like
EP0216734A2 (fr) * 1985-09-20 1987-04-01 MELICONI S.r.l. Récipient muni de couvercle destiné à contenir un composé désodorisant, à utiliser notamment en tant que poubelle à usage ménager
US4917254A (en) * 1989-04-17 1990-04-17 Ciriacks Brian L Sanitary disposable container
GB2251781A (en) * 1990-12-28 1992-07-22 Mowbray George M A rubbish bin provided with a deodorising apparatus
GB2252032A (en) * 1990-12-28 1992-07-29 Mowbray George M Rubbish container provided with deodorising apparatus
DE9202862U1 (de) * 1991-03-04 1992-07-30 Dragoco Gerberding & Co Gmbh, 3450 Holzminden Vorrichtung zur Desodorierung und Desinfektion von Müllgefäßen
DE4227248A1 (de) * 1992-08-18 1994-02-24 Ubib Unternehmens Und Innovati Vorrichtung zur Immobilisierung und/oder Desinfizierung

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1503304A (en) * 1975-04-30 1978-03-08 Reckitt & Colmann Prod Ltd Dispenser device for attachment to the lids of dustbins and the like
EP0216734A2 (fr) * 1985-09-20 1987-04-01 MELICONI S.r.l. Récipient muni de couvercle destiné à contenir un composé désodorisant, à utiliser notamment en tant que poubelle à usage ménager
US4917254A (en) * 1989-04-17 1990-04-17 Ciriacks Brian L Sanitary disposable container
GB2251781A (en) * 1990-12-28 1992-07-22 Mowbray George M A rubbish bin provided with a deodorising apparatus
GB2252032A (en) * 1990-12-28 1992-07-29 Mowbray George M Rubbish container provided with deodorising apparatus
DE9202862U1 (de) * 1991-03-04 1992-07-30 Dragoco Gerberding & Co Gmbh, 3450 Holzminden Vorrichtung zur Desodorierung und Desinfektion von Müllgefäßen
DE4227248A1 (de) * 1992-08-18 1994-02-24 Ubib Unternehmens Und Innovati Vorrichtung zur Immobilisierung und/oder Desinfizierung

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0826610A1 (fr) * 1996-07-30 1998-03-04 Störk-Küfers, Paul Poubelle munie d'un couvercle avec un filtre
ES2153250A1 (es) * 1997-07-21 2001-02-16 Pereira Rosendo Garcia Contenedor higienico.
FR2766799A1 (fr) * 1997-08-04 1999-02-05 Sarl Matrival Dispositif de recuperation de produits usages, notamment des piles
WO2001019707A1 (fr) * 1999-09-15 2001-03-22 Joris Georges Mertens Appareil de collecte des ordures
FR2811575A1 (fr) * 2000-07-11 2002-01-18 Plastic Omnium Cie Dispositif pour diffuser au moins un principe actif dans un bac pour la collecte des dechets
FR2887152A1 (fr) * 2005-06-17 2006-12-22 Matfor Soc Par Actions Simplif Dispositif diffuseur d'odeurs
EP2305579A1 (fr) * 2009-10-01 2011-04-06 Compagnie Plastic Omnium Bac de collecte de déchets muni d'un logement de réception d'un élément anti-odeurs
FR2950872A1 (fr) * 2009-10-01 2011-04-08 Plastic Omnium Cie Bac de collecte de dechets muni d'un logement de reception d'un element anti-odeurs
WO2012116986A3 (fr) * 2011-02-28 2012-10-26 Sangenic International Ltd Dispositif de stockage de déchets amélioré et cassette
US9428335B2 (en) 2011-02-28 2016-08-30 Sangenic International Limited Waste storage device
US10214347B2 (en) 2011-02-28 2019-02-26 Sangenic International Limited Waste storage device
CN110844408A (zh) * 2019-11-30 2020-02-28 中国人民解放军陆军军医大学第一附属医院 一种自密封式化疗用品垃圾存储装置
CN110844408B (zh) * 2019-11-30 2020-09-29 中国人民解放军陆军军医大学第一附属医院 一种自密封式化疗用品垃圾存储装置

Also Published As

Publication number Publication date
NZ289196A (en) 1997-04-24
AU705271B2 (en) 1999-05-20
AU2896195A (en) 1996-02-16

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