EP2967271B1 - Appareil à vapeur permettant de retirer de la gomme et analogues de diverses surfaces - Google Patents

Appareil à vapeur permettant de retirer de la gomme et analogues de diverses surfaces Download PDF

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Publication number
EP2967271B1
EP2967271B1 EP14775272.9A EP14775272A EP2967271B1 EP 2967271 B1 EP2967271 B1 EP 2967271B1 EP 14775272 A EP14775272 A EP 14775272A EP 2967271 B1 EP2967271 B1 EP 2967271B1
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EP
European Patent Office
Prior art keywords
housing
cleaning solution
reservoir
self
vaporizing zone
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.)
Active
Application number
EP14775272.9A
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German (de)
English (en)
Other versions
EP2967271A1 (fr
EP2967271A4 (fr
Inventor
Shihui Xu
Scott Genoa
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.)
Gumwand Inc
Original Assignee
Gumwand Inc
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 Gumwand Inc filed Critical Gumwand Inc
Publication of EP2967271A1 publication Critical patent/EP2967271A1/fr
Publication of EP2967271A4 publication Critical patent/EP2967271A4/fr
Application granted granted Critical
Publication of EP2967271B1 publication Critical patent/EP2967271B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/34—Machines for treating carpets in position by liquid, foam, or vapour, e.g. by steam
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4072—Arrangement of castors or wheels
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/408—Means for supplying cleaning or surface treating agents
    • A47L11/4086—Arrangements for steam generation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/12—Brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/024—Cleaning by means of spray elements moving over the surface to be cleaned
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C5/00—Disposition of burners with respect to the combustion chamber or to one another; Mounting of burners in combustion apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2220/00—Type of materials or objects being removed
    • B08B2220/02—Chewing gum

Definitions

  • the present invention relates to a self-contained and maneuverable device using a cleaning solution formed into steam to remove residue of chewing gum and the like, or stain residue, from horizontal surfaces, including both hard surfaces such as paving or sidewalks, and soft surfaces such as a carpet.
  • the present invention provides a self contained and easily maneuverable cleaning machine creating a steamed cleaning solution to be applied to the residue or stain to be removed, but does not require external power and is well balanced so as to be easily portable and capable of use by a single person in a variety of locations.
  • Chewing gum traditionally has a base of hydrocarbon polymers mixed with sugar and flavorings, and when such gum is chewed, the inner temperature of the mouth results in softening of the gum while the sugar and flavorings are released.
  • the softened base is often discarded onto the ground where it will adhere tightly afterward, and with time the gum residue will often blacken and become rather unsightly. And, as we know, people will often step on discarded gum and carry the gum waste to adhere in another place.
  • Another device disclosed in United States patent no 7,100,540 , describes a portable steam and heat generator using a backpack or truck bed for carrying a solution and fuel to be delivered to an applicator wand heating the solution to develop steam by passing the solution through a coiled pipe to be heated. Though not necessarily a steam cleaning device; this device does demonstrate structures attempting to heat a solution quickly, and near the final application of the heated solution.
  • an object of the present invention to provide a self-contained and easily portable device that can be operated easily by one person to remove chewing gum residue, or other waste product adhered to a surface, or even stains, quickly and effectively.
  • a self-contained steam cleaning device capable of steam cleaning and removal of residue such as chewing gum and the like from surfaces, includes an elongated housing preferably having wheels on a lower end portion and a handle on an upper portion, preferably an ergonomic handle, to enable the housing to be moved relatively easily by a single user.
  • a reservoir for a cleaning solution preferably an environmentally benign sugar solution, or a known cleaning solution such as Gum Remover Solution sold by Merlin Chemicals Ltd. of Liphook,
  • Hants of the United Kingdom, is provided within a lower portion of the housing.
  • the upper portion of the housing receives a tank for gas, preferably propane, that with the lower reservoir enables the device to be balanced easily upon the wheels when in use.
  • a vaporizing zone including a gas burner is preferably isolated within the reservoir for delivering heat to convert the cleaning solution into a steam.
  • the reservoir serves as a heat exchanger with the vaporizing zone to both preheat the cleaning solution within the reservoir and to dissipate unwanted heat from the vaporizing zone.
  • Conduit structures including a pump are provided for connecting the reservoir to the vaporizing zone to deliver the cleaning solution to the vaporizing zone. Conduit structures are also provided between the gas tank for connecting the gas tank to the gas burner in the vaporizing zone. Lastly, a brush is connected by conduit structure to the vaporizing zone and located externally at the lower end of the housing for receiving the steamed cleaning solution and applying it to the gum residue or the like.
  • the brush can be made of a material such as brass for cleaning harden surfaces such as concrete, or nylon for use indoors on such items as carpeting or flooring.
  • the reservoir includes a silica cloth insulation to aid in serving as a heat exchanger with the vaporizing zone.
  • Air for the combustion is drawn in from a front opening in the housing near the gas burner and escapes from a rearward opening.
  • the pump delivering the cleaning solution to the vaporizing zone be a battery-powered peristaltic pump providing a constant fluid pressure sufficient to drive the steam produced in the vaporizing zone to an escape tube leading to the brush.
  • the cleaning solution delivered to the vaporizing zone be the entire cleaning solution to be used for removing the residue so that no ancillary cleaning solutions need be used.
  • chewing gum residue or similar products adhering to a surface can be cleaned easily by a single person without the need for ancillary power sources.
  • the gas is ignited by a piezo ignition switch after the pump has been switched on to ensure that the cleaning solution is inside the vaporizing coil.
  • the flow is adjusted so that there is steam escaping from the nozzle and a slight hot water drip as well.
  • a 2 liter reservoir can be used that will typically last between 1.5 -2 hours depending on the required flow rate.
  • Batteries are provided for the pump and ignition; and the device may be made in two sections connected by a hinge to enable the device to be folded into a compact condition for storage and transportation.
  • the device is shown in Fig. 1 , and one person can operate the device by using the ergonomic handle 15 to guide the device so that the brass or nylon brush 7 at the opposite end can be held onto a residue of chewing gum or the like for a couple of seconds, firstly to heat the gum with the steam of a cleaning solution, and then by agitation to remove the gum.
  • a cleaning solution from reservoir 9 shown in the cut-away of Fig. 2 is pumped through conduit 5 to a small metal coil 10 of tubing that is then heated by a burner 6 fed by gas supply pipe 4 from a gas supply 1 of butane or propane to vaporize the cleaning solution.
  • Pump 13 pressurizes the conduits for the cleaning solution so that it is fed as a heated steam through reduced-diameter exit pipe 8 to the brush 7 where, with agitation, the user can soften the chewing gum residue (if it has hardened) and remove it. Or, similarly, remove stains.
  • the cleaning solution preferred is Gum Remover Solution sold by Merlin Chemicals Ltd. of Liphook, Hants, the United Kingdom; or a simple sugar solution has also been found effective.
  • the reservoir 9 for the cleaning solution has a silica cloth insulation, and is in the lower section of the device and is formed in two sections formed around the heating chamber serving as the vaporizing zone of the device.
  • the reservoir 9 holding the cleaning solution acts as a cooling medium to take some of the unwanted heat away from the heating chamber after the coil 10 is heated by the burner 6; and can serve to preheat the cleaning solution in the reservoir 9.
  • the coil 10 can be shaped in a spoon-like manner so the turns of the coil have a reducing diameter as they extend from the flame, and this allows the flame to apply heat to more surface area on the shaped coil.
  • An opening 12 serves as an exit for heat from the combustion area.
  • Fig. 4 illustrates an embodiment for the internal structures wherein the spacing A-A for the two coils 10 a and 10 b is 100 mm to exemplify the geometry.
  • the pump 13 preferably is a peristaltic pump to ensure a small and consistent flow is carried to the coil 10. If a diaphragm type pump were used, it may cause the cleaning solution to foam and give an inconsistent flow to the coil 10.
  • Air for the combustion is drawn in from a front opening in the housing behind the burner 6 and escapes from a side opening 12.
  • a wind baffle 18 may be provided in a lower region of the housing serving as the exhaust to prevent back flow of air that may inadvertently cool the vaporizing zone or possibly extinguish the flame from the gas burner, or direct it away from the coil.
  • the fuel is ignited by a piezo ignition switch after switching on the pump to ensure that the cleaning solution is inside the coil 10.
  • the flow is adjusted so that approximately there is steam escaping from the nozzle and a slight drip as well, and a flow of 16-20 ml/minute has been found to be successful in providing steam and a drip of hot cleaning solution.
  • a 2 liter tank will last between 1.5 -2 hours depending on the required flow rate.
  • Batteries 2 are provided for the pump and ignition; and wheels 3 enable the device of the present invention to be maneuverable.
  • the reservoir for the cleaning solution can be filled through removable cap 11 and a control for the flow of fuel is actuated by knob 16 controlling a needle valve.
  • the device may be made in two sections connected by hinge 14 to enable the device to be folded into a compact condition, as shown in Fig. 3 , for storage and transportation.
  • the gas typically propane, is delivered through a micro adjustment inlet to regulate the gas pressure.
  • the vaporizing zone includes the gas burner 6, coils 10 a and 10 b , and exhaust tube.
  • the interconnected coils 10 a and 10 b form a pipe assembly delivering the cleaning solution from reservoir 9 to the gas burner 6.
  • this pipe assembly includes a first coil portion 10a serving as a vaporizing coil having the radius of turns diminishing to form a generally frustroconical configuration.
  • the gas burner 6 is positioned centrally adjacent the portion of the vaporizing coil 10a with the larger radius with the diminishing turns leading away from the gas burner 6. In this way, the flame from the burner can heat a greater surface area of the pipe assembly containing the cleaning solution to be vaporized.
  • the pipe assembly includes a non-linear conduit portion 22 leading to the turns of the vaporizing coil 10a having the smaller radius for delivering the cleaning solution to the vaporizing coil, and a heat-exchanging second coil 10 b for delivering the cleaning solution to the conduit portion 22.
  • the heat-exchanging second coil 10 b has the radius of turns increasing from the conduit portion to form a generally frustroconical configuration, and receives the cleaning solution through conduits from the reservoir 9.
  • the heat-exchanging second coil 10 b is located to receive the exhaust from the gas burner 6 as it enters the exhaust tube. In this way, the cleaning solution is preheated within heat-exchanging coil 10 b before being delivered to the vaporizing coil 10 b . Thus, the cleaning solution is preheated in the reservoir due to the vaporizing zone being located within the reservoir, and the exhaust leading to heat-exchanging coil 10 b .
  • the conduit portion 22 also serves as a heat exchanger with the exhaust from the gas burner to preheat the cleaning solution further just before it enters the vaporizing coil 10a.
  • the cleaning solution is preheated to provide a very quick transition to steam in the vaporizing coil.
  • the cleaning solution delivered to the vaporizing zone be the entire cleaning solution to be used for removing the residue so that no ancillary cleaning solutions need be used.
  • the exhaust tube as shown in Fig. 4 has venting holes 24 at its end portion downstream of the burner 6, and the end portion is closed off by a rear wall 23. With baffle 18, these structures for the exhaust tube protect against back drafts when the device is used outdoors in windy conditions. The exhaust from the burner 6 will flow outwards through the holes 24 and out through vents in the walls of the housing.
  • a portion 25 of the conduit delivering the cleaning solution to the vaporizing zone extends along the exhaust tube to further serve as a heat exchanger receiving heat from the exhaust tube to preheat the cleaning solution.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning In General (AREA)

Claims (7)

  1. Dispositif de nettoyage à vapeur autonome pour retirer des résidus tels que des taches, du chewing-gum et similaires des surfaces, comprenant un boîtier allongé avec une poignée (15) et un réservoir (9) adapté pour recevoir une solution nettoyante, une zone de vaporisation comprenant un brûleur à gaz (6) dans ledit boîtier pour distribuer la chaleur afin de convertir ladite solution nettoyante en vapeur, la structure de conduit comprenant une pompe (13) pour raccorder ledit réservoir (9) à ladite zone de vaporisation pour délivrer ladite solution nettoyante à ladite zone de vaporisation, ledit boîtier étant adapté pour recevoir un réservoir de gaz (1), dans lequel il y a une structure de conduit à l'intérieur dudit boîtier pour raccorder ledit réservoir de gaz (1) audit brûleur à gaz (6), et un élément de nettoyage tel qu'une brosse (7) raccordé par la structure de conduit à ladite zone de vaporisation et positionnée à l'extérieur dudit boîtier pour recevoir ladite vapeur et l'appliquer sur les résidus à retirer,
    caractérisé en ce que ledit boîtier allongé a une partie supérieure, une partie inférieure, et une partie d'extrémité inférieure, la partie supérieure dudit boîtier étant adaptée pour recevoir le réservoir de gaz (1) et la partie inférieure dudit boîtier loge le réservoir (9) et en outre, la poignée (15) est positionnée sur la partie supérieure dudit boîtier et la partie d'extrémité inférieure du boîtier a des roues (3) afin de permettre au boîtier d'être déplacé par un seul utilisateur.
  2. Dispositif de nettoyage à vapeur autonome selon la revendication 1, ladite zone de vaporisation étant isolée à l'intérieur dudit réservoir (9) et comprenant l'isolation pour servir d'échangeur de chaleur avec ladite zone de vaporisation.
  3. Dispositif de nettoyage à vapeur autonome selon la revendication 1, la solution nettoyante destinée à être reçue à l'intérieur dudit réservoir (9) étant toute la solution nettoyante destinée à être utilisée pour retirer les résidus.
  4. Dispositif de nettoyage à vapeur autonome selon la revendication 1, ladite pompe (13) étant une pompe péristaltique.
  5. Dispositif de nettoyage à vapeur autonome selon la revendication 1, ladite structure de conduit étant positionnée de manière adjacente audit brûleur (6) pour délivrer ladite solution nettoyante, ledit ensemble de tuyau comprenant une première partie hélicoïdale (10a) séparée par une longueur de tube d'une seconde partie hélicoïdale (10b), ledit brûleur (6) étant positionné de manière centrale et adjacente à ladite première partie hélicoïdale (10a).
  6. Dispositif de nettoyage à vapeur autonome selon la revendication 1, ledit boîtier étant adapté pour être positionné sur lesdites deux roues (3) pour être respectivement fixé sur les côtés opposés dudit boîtier afin de positionner ledit élément de nettoyage dans une position sur la zone de surface à nettoyer avec l'opérateur qui peut appliquer une pression souhaitée sur ledit élément de nettoyage à partir du poids dudit dispositif en manipulant le dispositif sur lesdites roues (3).
  7. Dispositif de nettoyage à vapeur autonome selon la revendication 1, ledit réservoir (9) étant positionné dans la partie inférieure du boîtier et ledit réservoir de gaz (1) étant positionné dans la partie supérieure dudit boîtier.
EP14775272.9A 2013-03-14 2014-03-12 Appareil à vapeur permettant de retirer de la gomme et analogues de diverses surfaces Active EP2967271B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361784389P 2013-03-14 2013-03-14
PCT/US2014/023975 WO2014159513A1 (fr) 2013-03-14 2014-03-12 Appareil à vapeur permettant de retirer de la gomme et analogues de diverses surfaces

Publications (3)

Publication Number Publication Date
EP2967271A1 EP2967271A1 (fr) 2016-01-20
EP2967271A4 EP2967271A4 (fr) 2017-02-22
EP2967271B1 true EP2967271B1 (fr) 2019-04-24

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ID=51625184

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14775272.9A Active EP2967271B1 (fr) 2013-03-14 2014-03-12 Appareil à vapeur permettant de retirer de la gomme et analogues de diverses surfaces

Country Status (3)

Country Link
EP (1) EP2967271B1 (fr)
CN (1) CN105916425B (fr)
WO (1) WO2014159513A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201419365D0 (en) 2014-10-30 2014-12-17 Whitbread Martin And Brading Jared Steam dispensing apparatus
CN108784559A (zh) * 2017-04-28 2018-11-13 盈太企业股份有限公司 蒸汽产生装置与蒸汽清洁设备
CN112220370A (zh) * 2017-05-25 2021-01-15 九阳股份有限公司 一种烹饪设备的清洗方法
DE202021102732U1 (de) 2021-05-19 2021-05-27 Leifheit Aktiengesellschaft Aufsatz für ein Dampfreinigungsgerät und Dampfreinigungsgerät mit Unkrautvernichtungsfunktion

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4327459A (en) * 1980-04-14 1982-05-04 Metropolitan Vacuum Cleaner Co., Inc. Combined steam and vacuum cleaner
FR2762531B1 (fr) * 1997-04-28 1999-08-13 Superba Sa Appareil portable omnidirectionnel de nettoyage a la vapeur de surfaces dures ou souples
US20020026954A1 (en) 1997-07-01 2002-03-07 Richard Arthur Tyler Cleaning method and apparatus
CA2418548A1 (fr) * 2003-02-07 2004-08-07 Steven Vaughan Methode et dispositif de lutte contre les mauvaises herbes
EP1498063A1 (fr) * 2003-07-18 2005-01-19 WALSER & CO. AG Méthode et appareil pour le nettoyage de surfaces, en particulier de sols
WO2010037226A1 (fr) 2008-10-01 2010-04-08 Dr. Gum Inc. Appareil et procédé pour éliminer d’une surface, des dépôts de gomme, des substances adhésives, de la peinture et autre
GB2491661B (en) * 2011-06-06 2014-05-07 Merlin Chemicals Ltd Cleaning apparatus with burner and heat exchange head
CN202442312U (zh) * 2012-02-26 2012-09-19 邹爱贞 多功能蒸汽发生器
CN102860794B (zh) * 2012-09-18 2014-10-22 苏州诚河清洁设备有限公司 吸尘及蒸汽清洁一体机

Also Published As

Publication number Publication date
CN105916425B (zh) 2019-06-11
WO2014159513A1 (fr) 2014-10-02
EP2967271A1 (fr) 2016-01-20
EP2967271A4 (fr) 2017-02-22
CN105916425A (zh) 2016-08-31

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