US20190053668A1 - Tool for cleaning a grill - Google Patents
Tool for cleaning a grill Download PDFInfo
- Publication number
- US20190053668A1 US20190053668A1 US16/104,558 US201816104558A US2019053668A1 US 20190053668 A1 US20190053668 A1 US 20190053668A1 US 201816104558 A US201816104558 A US 201816104558A US 2019053668 A1 US2019053668 A1 US 2019053668A1
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- United States
- Prior art keywords
- layer
- water
- grill
- cleaning tool
- fire
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/07—Roasting devices for outdoor use; Barbecues
- A47J37/0786—Accessories
-
- 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
- A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L13/02—Scraping
- A47L13/06—Scraping with wire brushes or wire meshes
-
- 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
- A47L17/00—Apparatus or implements used in manual washing or cleaning of crockery, table-ware, cooking-ware or the like
-
- 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
- A47L17/00—Apparatus or implements used in manual washing or cleaning of crockery, table-ware, cooking-ware or the like
- A47L17/04—Pan or pot cleaning utensils
- A47L17/08—Pads; Balls of steel wool, wire, or plastic meshes
-
- 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, brushes, or analogous members
- B08B1/001—Cleaning by methods involving the use of tools, brushes, or analogous members characterised by the type of cleaning tool
- B08B1/005—Scrapers
-
- B08B1/165—
Definitions
- the invention relates generally to a product and method for cleaning cooking grills, such as for instance a barbeque, and more particularly to a cleaning tool for cleaning cooking grills without the use of metallic bristles.
- Grilling is a form of cooking that involves heating food from above and/or below and is especially popular for cooking meat quickly.
- Charcoal barbeques, gas barbeques (natural gas or propane) and electric barbeques are common examples of appliances that are used for grilling food.
- cooking grids are arranged above a heat source to provide a surface on which the food is cooked.
- Typical materials for fabricating the cooking grids include: stainless steel; porcelain-coated cast iron; porcelain-coated steel; cast iron; and chrome-plated steel.
- additional heat sources may be provided and/or a cover may be provided to enclose the cooking area.
- a grill-cleaning tool comprising: a water-absorbent layer fabricated from a material that is suitable for transferring a volume of water; and a scrubbing outer layer fabricated from a metallic-mesh material and covering the water-absorbent layer.
- the grill-cleaning tool further comprises a fire-resistant layer disposed outwardly of the water absorbent layer, and the scrubbing outer layer covers both the fire-resistant layer and the water absorbent layer.
- a method of cleaning cooking grids of a cooking appliance using a grill-cleaning tool comprising: a) heating the cooking grids to a known cleaning temperature; b) absorbing water into the water-absorbent layer of the grill-cleaning tool; c) pressing the scrubbing outer layer against the heated cooking grids, thereby forcing a portion of the absorbed water out of the water-absorbent layer and into contact with the heated cooking grids so as to generate steam; and d) using a scrubbing motion, mechanically loosening residues adhered to the heated cooking grids.
- a grill-cleaning tool includes: an inner layer fabricated from a water-proof material and being generally cylindrical in shape with a closed end and with an open end that is opposite the closed end for receiving the hand and forearm of a user; a water-absorbent layer disposed outwardly of the water-proof inner layer and fabricated from a material that is suitable for transferring a volume of water; a fire-resistant layer disposed outwardly of the water absorbent layer; and a scrubbing outer layer fabricated from a metallic-mesh material.
- the fire-resistant layer is omitted.
- the water-absorbent layer and the fire-resistant layer are sewn together and are assembled into the grill-cleaning tool as a single unit.
- the water-proof inner layer, the water-absorbent layer and the fire-resistant layer are each sized to extend approximately to the user's elbow.
- the water-absorbent layer and the fire-resistant layer are also generally cylindrical in shape with a closed end and with an open end that is opposite the closed end for receiving the hand and forearm of a user, and wherein the closed end of each one of the water-proof inner layer, the water-absorbent layer and the fire-resistant layer is larger in the radial direction than the open end of each one of the water-proof inner layer, the water-absorbent layer and the fire-resistant layer.
- the grill-cleaning tool includes a plurality of circumferentially spaced-apart ribs extending radially inward from an inner surface of the water-proof inner layer and extending longitudinally along the length of the water-proof inner layer within the larger closed end thereof.
- the grill-cleaning tool includes between 4 and 8 circumferentially spaced-apart ribs extending radially inward from an inner surface of the water-proof inner layer and extending longitudinally along the length of the water-proof inner layer within the larger closed end thereof.
- each rib is wider at a top portion thereof than at a base portion thereof.
- the grill-cleaning tool includes a plurality of fasteners disposed along an outer surface of the water-proof inner layer and a plurality of complementary fasteners disposed along an inner surface of the water-absorbent layer for cooperatively securing the water-absorbent layer to the water-proof inner layer.
- the grill-cleaning tool includes a plurality of fasteners disposed along an outer surface of the fire-resistant layer and a plurality of complementary fasteners carried by the scrubbing outer layer for cooperatively securing the scrubbing outer layer to the fire-resistant layer.
- the water-proof inner layer is fabricated from heat-resistant silicone rubber.
- the scrubbing outer layer is fabricated from food-grade stainless-steel.
- FIG. 1 is a simplified diagram showing a water-proof inner layer of a wearable grill-cleaning tool according to an embodiment.
- FIG. 1A is a cross-sectional view taken along line A-A in FIG. 1 .
- FIG. 1B is a cross-sectional view taken along line B-B in FIG. 1 .
- FIG. 2 is a simplified diagram showing a water-absorbent layer of a wearable grill-cleaning tool according to an embodiment.
- FIG. 3 is a simplified diagram showing a fire-resistant layer of a wearable grill-cleaning tool according to an embodiment.
- FIG. 4 is a simplified diagram showing an abrasive or scrubbing outer layer of a wearable grill-cleaning tool according to an embodiment.
- FIG. 5 is a simplified diagram showing a grill cleaning tool head according to another embodiment.
- FIG. 5A shows the grill cleaning tool head of FIG. 5 assembled onto a handle.
- FIG. 5B is a cross-sectional view taken along line B-B in FIG. 5A .
- FIG. 6 is a simplified side view showing a grill cleaning tool head according to another embodiment assembled onto a handle.
- FIG. 7 is a simplified top view showing the grill cleaning tool head and handle of FIG. 6 .
- FIG. 8A is a top exterior view of half of a support block that is used in the embodiment shown in FIGS. 6 and 7 .
- FIG. 8B is a bottom interior view of the half of the support block of in FIG. 8A .
- FIG. 8C is a side view of the half of the support block of FIG. 8A .
- FIG. 8D is an end view of the half of the support block of FIG. 8A .
- FIG. 9 is a top view of a support block that is used in the embodiment shown in FIGS. 6 and 7 with a plurality of grill-cleaning layers assembled thereto.
- FIG. 9A is a top view of a support block that is used in the embodiment shown in FIGS. 6 and 7 and with a deformable and grooved inner support layer.
- FIG. 9B is an end view of the support block of FIG. 9A .
- FIG. 10 is a simplified diagram showing a grill cleaning tool according to yet another embodiment.
- FIG. 11 is a simplified diagram showing a grill cleaning tool according to yet another embodiment.
- the term “inner” is intended to mean closer to the hand of the user (or closer to a handle or a handle mounting structure) relative to another layer.
- the term “outwardly” is intended to mean further away from the hand of the user (or from the handle or the handle mounting structure) relative to another layer.
- fire-resistant is intended to mean resistant to but not wholly proof from the effects of fire or intense heat, and being made from materials that are inherently nonflammable.
- the specific “fire resistant” material chosen for a particular application may or may not also have a significant heat-insulating property.
- metal-mesh is intended to mean a material that is fabricated from a plurality of interconnected links of a metal or metal alloy.
- FIGS. 1-4 show a wearable grill-cleaning tool according to an embodiment.
- the wearable grill-cleaning tool that is shown in FIGS. 1-4 comprises a plurality of layers, all of which are configured to receive and enclose at least the hand of a user.
- at least some of the layers are configured to further receive and enclose at least the forearm (i.e. up to the elbow joint) of the user.
- the wearable grill-cleaning tool is neither left-handed nor right-handed and may be described using the term “sock-shaped” or “tube-shaped.” Alternatively, distinct left-handed and right-handed configurations may be fabricated.
- the plurality of layers includes: 1) a water-proof inner layer, 2) a water-absorbent layer disposed outwardly of the water-proof inner layer, 3) a fire-resistant layer disposed outwardly of the water-absorbent layer, and 4) an abrasive or scrubbing outer layer, which surrounds the first three inner layers.
- the plurality of layers includes: 1) a water-proof inner layer, 2) a water-absorbent and fire-resistant layer disposed outwardly of the water-proof inner layer, and 3) an abrasive or scrubbing outer layer, which surrounds the first two inner layers.
- the layers of the plurality of layers are fastened together to form an assembled grill-cleaning tool.
- the fastenings prevent or minimize relative movement of the layers during use.
- the fastenings may be disengaged in order to separate the layers one from another, in order to facilitate cleaning, and/or to allow the layers to be replaced at the end of the usable life of each of the respective layers.
- the water-proof inner layer 10 is for instance a sock-shaped silicone rubber tube with a relatively larger closed end 12 and a relatively smaller open end 14 .
- a series of protuberances 16 represent fasteners arranged along the outer surface of the silicone tube.
- Some of the illustrated fasteners are for securing different layers, and the type of fasteners may be either the same or different.
- One non-limiting example of a suitable fastener is a dome-snap type fastener system.
- suitable fasteners such as for instance a loop-type snap fastener, a strap-and-buckle type fastener, a hook-and-loop type fastener etc. may be used.
- a series of ribs 18 are provided along the inner surface at the larger closed end only, to assist with gripping by the user, etc.
- An example total length between the open and closed end of the water-proof inner layer is about 18 inches.
- Example diameters for the open and closed ends are about 5.29 inches OD and 6.20 inches OD, respectively.
- An example thickness of the material of the water-proof inner layer is about 0.1 inch. That being said, optionally a “large” size and a “small” size is envisioned in order to accommodate different users having different sized hands.
- FIG. 1A shows a cross-sectional view of the relatively larger closed end 12 taken along line A-A
- FIG. 1B shows a cross-sectional view of the relatively smaller open end 14 taken along line B-B
- the ribs 18 shown in FIG. 1A are, by way of example, approximately 1 inch tall and approximately 1 inch wide at the tops thereof, but only about 0.25 inches wide at the bases thereof, and thus the ribs 18 are generally “T-shaped.” In this specific example, the ribs 18 are approximately 5 inches in length. The number of ribs 18 may be varied, but in this specific example 8 ribs are shown. Alternatively, between 4 and 8 ribs are provided.
- FIG. 2 illustrates various features of the water-absorbent layer 20 of the wearable grill-cleaning tool
- FIG. 3 illustrates various features of the fire-resistant layer 30 of the wearable grill-cleaning tool.
- These two layers may be sewn together or otherwise incorporated into a single (compound) layer (not illustrated), which can then be assembled as a unit into the wearable grill-cleaning tool.
- additional fasteners 22 may be carried on the outer surface of the water-absorbent layer 20 and on the inner surface (not illustrated) of the fire-resistant layer 30 , such that the two layers may be assembled separately into the wearable grill-cleaning tool.
- both the water-absorbent layer 20 and the fire-resistant layer 30 have a closed end and an open end, which are complementary to the closed end 12 and open end 14 of the water-proof inner layer 10 . Since the various layers of the wearable grill-cleaning tool are assembled one onto another, each outwardly disposed layer is sized to accommodate the respective inner layers.
- Example diameters for the open and closed ends of the water-absorbent layer 20 are about 5.79 inches OD and 6.70 inches OD, respectively and for the fire-resistant layer 30 are about 6.05 inches OD and 6.96 inches OD, respectively.
- FIG. 4 illustrates various features of the abrasive or scrubbing outer layer 40 of the wearable grill-cleaning tool according to an embodiment.
- the outer layer 40 is for instance a metallic-mesh (chain mail-like) material fabricated from stainless steel links each of a few millimeters in size.
- another suitable metal or a suitable metal alloy is used to fabricate metallic-mesh of the outer layer 40 .
- Fasteners 42 are provided at an open end 44 of the outer layer 40 . In an embodiment, the fasteners 42 secure directly to the fasteners 16 near the open end 14 of the water-proof inner layer 10 .
- the abrasive or scrubbing outer layer 40 is relatively shorter than any of the inner layers, and in particular extends only to about the user's wrist.
- Example diameters for the open and closed ends are about 6.20 inches OD and 7.11 inches OD, respectively.
- the layers are closed at one end and open at the opposite end for receiving the hand and fore-arm of the user, much in the same way a sock receives a foot and part of the calf of a wearer.
- the abrasive or scrubbing layer may be provided in the form of a band that is open at both ends, or in the form of a patch that is carried along only part of the circumference of the wearable-grill cleaning tool.
- the water-proof inner layer and the fire-resistant layer or water-absorbent and fire-resistant layer should be closed at the one end (e.g., the water-proof inner layer and the fire-resistant layer or water-absorbent and fire-resistant layer).
- the length that is selected for each layer depends for instance safety considerations and cost.
- the water-absorbent and fire-resistant layers may extend to the user's elbow in order to protect the user's forearm from heat and steam coming off the grill cooking surface, whilst the abrasive or scrubbing layer may extend only the length of the user's hand since material past the user's wrist would not be used to clean the grill cooking surface.
- FIGS. 5, 5A and 5B shows a generally cup-shaped grill-cleaning tool head 50 with a handle 60 .
- the grill-cleaning tool head 50 that is shown in an assembled condition in FIG. 5A comprises a plurality of layers, all of which are configured to receive and enclose a first end 62 of the handle 60 , which also has a second end 64 that may be grasped by a user for cleaning a grill with the grill cleaning tool.
- the grill-cleaning tool head 50 is depicted in a highly simplified way in FIG. 5A , in the form of a transparent cylinder, so as to avoid obscuring details of the connection to the first end 62 of the handle 60 .
- the handle 60 is optionally fabricated from a plastic, wood or metallic material, or combinations thereof, and is fixedly secured at the first end 62 thereof to the grill cleaning tool.
- the handle has a grasping feature 66 at the second end 64 thereof opposite the first end 62 .
- the handle 60 has a length that is sufficient to allow the user to clean a grill with the grill cleaning tool and without placing his or her hand too close to the grill, such as for instance between 24 and 36 inches, most preferably about 30 inches.
- FIG. 5 shows, in isolation, the innermost layer of the grill-cleaning tool head 50 , which in this example is a silicone rubber inner support layer 52 .
- the inner support layer 52 is generally cup-shaped, is deformable by application of pressure, and has a plurality of perforations 54 extending between an inner surface and an outer surface thereof for allowing fluid to flow therethrough.
- the inner support layer 52 supports a plurality of outwardly disposed layers (not illustrated), which layers are similar to the water-absorbent layer 20 , the fire-resistant layer 30 and the scrubbing outer layer 40 described above.
- a plurality of fasteners 56 is illustrated along the outer surface of the inner support layer 52 for mating with complementary fasteners carried by one or more of the outwardly-disposed layers (not illustrated).
- the fasteners 56 prevent or minimize relative movement of the various layers during use.
- the fasteners 56 may be disengaged in order to separate the layers one from another, in order to facilitate cleaning, and/or to allow the layers to be replaced at the end of the usable life of each of the respective layers.
- the generally cup-shaped inner support layer 52 may become filled with water when the grill cleaning tool is immersed in a container of water, and the water may subsequently drain out through the plurality of perforations to thereby thoroughly soak the adjacent water absorbent layer and to also control the amount of water that is transferred to the grill appliance being cleaned.
- the inner support layer 52 may be fabricated in the form of a closed cylindrical shaped body, which merely supports the outwardly disposed layers and does not become filled with water.
- the elongated handle 60 is mounted at the first end 62 thereof to the inner support layer 52 .
- the inner support layer 52 is substantially similar to the large end 12 of the water-proof inner layer 10 shown in FIG. 1 , and the inner surface of the inner support layer 52 includes a plurality of raised ribs 58 extending along the inner surface in the longitudinal direction.
- a plurality of wings or fingers 68 extending from the first end 62 of the handle 60 engage between adjacent ribs 58 to secure the inner support layer 52 to the first end 62 of the handle 60 .
- another suitable mounting arrangement is used, such as for instance molding the inner support layer with an integrally formed extension that forms at least a portion of the handle or molding the inner support layer 52 with an integrally formed mounting feature for engaging a complementary mounting feature disposed at the first end of the elongated handle.
- FIG. 6 shown is a simplified side view of an alternative configuration of the grill-cleaning tool head and an associated mounting arrangement.
- a grill-cleaning tool head 70 is shown assembled onto a handle 72 .
- the various layers as described above, i.e., an inner support layer, a water-absorbent and fire-resistant layer disposed outwardly of the inner support layer, and an abrasive or scrubbing outer layer, which surrounds the first two inner layers, are shown generally at 74 assembled onto a not shown support block.
- the handle 72 optionally includes a gripping feature 76 at an end opposite the grill-cleaning tool head 70 , and/or a gripping knob or similar structure 78 approximately half-way along the length of the handle 72 .
- Mechanical fasteners such as for instance dome snaps 79 , are provided on the layers 74 for securing the layers 74 onto the not shown support block. Suitable dimensions are for example a handle length of approximately 30 inches with the optional gripping knob 78 disposed approximately 15 inches from the gripping end of the handle 72 .
- the support block plus the various layers may have an approximate total thickness of approximately 3.75 inches.
- FIG. 7 is a simplified top view of the embodiment that is shown in FIG. 6 .
- the support block plus the various layers may have an approximate size of 6 inches long by 6.75 inches wide.
- FIGS. 8A-D shown is a support block 80 suitable for use with the embodiment shown in FIGS. 6 and 7 .
- FIG. 8A is a view of the outside of the support block 80
- FIG. 8B is a view of the inside of the support block 80
- FIG. 8C is a side view of the support block 80
- FIG. 8D is an end view of the support block 80 .
- the support block has a central channel 82 with at least one recess 84 disposed along the length of the channel 82 .
- the channel 82 is circular in the end view and the at least one recess 84 is a region having a larger diameter relative to the rest of the channel 82 .
- FIGS. 8A-D there are three recesses 84 .
- a corresponding at least one ring-shaped region projecting from handle 72 is seated within the at least one recess 84 .
- the support block 80 is rotatable about the handle 72 , and the interlocking at least one recess and not illustrated at least one ring-shaped region projecting from the handle 72 limit movement of the support block 80 in a direction along the length of the handle 72 .
- recessed compartments 86 for retaining small volumes of water are formed in the outer surface of the support block 80 , as shown in FIG. 8A and using ghost-lines in FIG. 8B .
- FIG. 9 shown is a top view of the support block 80 with the inner support layer, the water-absorbent and fire-resistant layer, and the abrasive or scrubbing outer layer supported thereon and secured using mechanical fasteners 79 carried by the outer layer.
- the inner support layer may be omitted, or it may be formed integrally with the support block 80 as a deformable layer 90 molded thereto as shown in FIGS. 9A and 9B .
- the water absorbent and fire-proof layers preferably are sock-shaped and extend over the end of the support block opposite the handle 72 so as to protect the material of the support block from heat produced by the grill being cleaned.
- the abrasive or scrubbing outer layer may be formed as a band that covers the top, bottom and opposite sides but not the end of the support block 80 .
- the abrasive or scrubbing outer layer may also cover the end of the support block 80 to provide additional scrubbing area on the grill-cleaning tool head.
- the inner support layer is formed with a plurality of perforations to support outward movement of trapped water from the recessed compartments 86 to the water absorbent and fire-proof layers.
- the inner support layer is either molded directly on the support block 80 or it is formed as a semi-rigid removable casing provided with an access slot 92 through which the support block 80 is inserted.
- the inner support layer preferably is formed with a series of outwardly facing grooves 94 which are deformable when pressed against the surface of the grill that is being cleaned. The grooves 94 allow the grill cleaning tool reach below the upper surface of the grill that is being cleaned, trapping steam against the grill surface and thereby removing additional debris compared to a flat and non-deformable cleaning tool surface.
- the mechanical fasteners 79 may be released and the water-absorbent and fireproof layers, as well as the scrubbing outer layer may be removed from the support block and water-proof inner layer and may be cleaned after several uses or even after a single use.
- FIGS. 10-11 shows a grill-cleaning tool in the form of a pad with a handle.
- the grill cleaning tools shown in FIGS. 10-11 comprise a plurality of layers assembled together to form a pad of sorts which has an upper side that faces away from the cooking grids during use.
- An elongated handle extending away from the upper side is provided for being grasped by a user during cleaning of a grill with the grill cleaning tool.
- the upper side of the grill leaning tool carries a complementary mounting structure for detachably receiving a mounting structure disposed at a first end of the handle, and the handle having a grasping feature disposed at a second end thereof for being grasped by the user.
- a gripping feature similar to knob 76 is provided along the handle.
- the layers of the plurality of layers are fastened together to form an assembled grill-cleaning tool.
- the fastenings carried by the various layers prevent or minimize relative movement of the layers during use.
- the fastenings may be disengaged in order to separate the layers one from another, in order to facilitate cleaning, and/or to allow the layers to be replaced at the end of the usable life of each of the respective layers.
- the grill-cleaning tool includes a backing layer 100 , which is for instance a rigid plastic layer that provides backing support for the other layers that are disposed outwardly of the backing layer.
- a combined water-absorbent and fire-resistant layer 102 is fastened adjacent to the backing layer, and finally an abrasive or scrubbing layer 104 is disposed adjacent to the layer 102 .
- the combined water-absorbent layer and fire-resistant layer 102 is provided as separate not illustrated water-absorbent and fire-resistant layers.
- a complementary mounting structure 106 is integrally formed with, i.e. by molding, or otherwise joined using an adhesive or other means, to the backing layer 100 .
- a grasping feature 112 is provided at a second end of the handle shaft 110 that is opposite the first end.
- a separate backing layer is omitted and the complementary mounting structure 106 is mounted to or otherwise integrated into the combined water-absorbent and fire-resistant layer 102 .
- Cleaning is performed when the cooking grids are hot, e.g. after the grilling appliance has been pre-heated to the desired cooking temperature, typically 350-450° F.
- the user immerses the grill-cleaning tool in a container of water or runs water onto the grill-cleaning tool from a hose or faucet.
- the water-absorbent material holds water until the user presses the grill-cleaning tool against the hot cooking grids, which forces some of the water into contact with the hot cooking grids and thereby producing steam to assist in the cleaning action.
- the user moves the grill-cleaning tool while still in contact with the hot cooking grids, using a scrubbing motion, such that the abrasive or scrubbing outer layer dislodges the residue from the hot cooking grids.
- the user may rotate the grill-cleaning tool (except for the embodiments shown in FIGS. 10-11 ) to expose a fresh scrubbing surface.
- the user may continue to rotate the grill-cleaning tool until no fresh scrubbing surface remains, after which the grill-cleaning tool may be cleaned by immersion into fresh water etc.
- the grill-cleaning tool may be re-immersed in fresh water as many times as is required to completely clean the cooking grids.
- the user's hand When the grill-cleaning tool is worn by the user, the user's hand is protected by the water-proof layer and the fire-resistant layer, as well as the volume of water that is held in the water-absorbent layer. Since a large volume of hot steam may be produced, preferably at least the fire-resistant layer extends along the user's forearm to prevent scalding and burns due to the evolved steam.
- the handle is sufficiently long such that the user does not place his or her hand close enough to the grill to be burned or scalded by the heat coming directly off the grill or by the evolved steam.
- the grill-cleaning tool can be disassembled and cleaned for the next time usage.
- Different cleaning procedures are suitable for the different layers.
- the abrasive or scrubbing outer layer which may be fabricated from stainless steel mesh, may be cleaned in a dishwasher or using common dish soap.
- the water-absorbent layer and fire-resistant layer either as a single layer or as two separate layers, may be cleaned in a laundry machine.
- the water-proof inner layer may be wiped down with a damp cloth.
- the fire-resistant layer is omitted.
- the water-absorbent layer carries a volume of water that is sufficient to prevent the inner layers (i.e., the water-proof layer or inner support layer) from burning even during exposure to the relatively high temperatures that are produced by a grill-cooking appliance.
- the combination of the water-absorbent layer (which carries water that is converted to a cleaning steam when brought into contact with the hot surface of a grill cleaning appliance) and the abrasive or scrubbing layer (which mechanically removes debris that is loosened by the cleaning steam) is sufficient to provide the improved grill-cleaning properties that are described above.
- the water-proof layer and/or inner support layer and/or fire-resistant layer may be included depending on the particular implantation and/or the level of safety and/or personal protection that is desired.
Abstract
A grill-cleaning tool has a water-absorbent layer fabricated from a material that is suitable for transferring a volume of water. A fire-resistant layer is disposed outwardly of the water absorbent layer. A scrubbing outer layer fabricated from a metallic-mesh material covers both the fire-resistant layer and the water-absorbent layer. The water-absorbent layer and the heat-resistant layer may be incorporated into a single unit or may be separate layers. Fasteners are provided for assembling the layers together to form an assembled grill-cleaning tool.
Description
- This application claims the benefit of U.S.
Provisional Patent Application 62/547,504, which was filed on Aug. 18, 2017. The entire contents of U.S.Provisional Patent Application 62/547,504 are incorporated herein by reference. - The invention relates generally to a product and method for cleaning cooking grills, such as for instance a barbeque, and more particularly to a cleaning tool for cleaning cooking grills without the use of metallic bristles.
- Grilling is a form of cooking that involves heating food from above and/or below and is especially popular for cooking meat quickly. Charcoal barbeques, gas barbeques (natural gas or propane) and electric barbeques are common examples of appliances that are used for grilling food. In general, cooking grids are arranged above a heat source to provide a surface on which the food is cooked. Typical materials for fabricating the cooking grids include: stainless steel; porcelain-coated cast iron; porcelain-coated steel; cast iron; and chrome-plated steel. Depending on the specific type of grilling appliance, additional heat sources may be provided and/or a cover may be provided to enclose the cooking area.
- One problem that is common to all grilling appliances is that grease and particles from the food that is being cooked will accumulate onto the cooking grids. This accumulation becomes charred and hardened and remains on the cooking grids after the food is done cooking. It is desirable to clean the grill and thereby remove the charred and hardened residue prior to the next use of the grilling appliance. This task is complicated due to the physical structure that is typical of cooking grids, which normally include a set of parallel rods or bars with spaces therebetween for allowing the grease and food particles to drip between the rods or bars.
- Various solutions have been proposed for cleaning the cooking grids of a grilling appliance. Rigid scrapers fabricated from steel, wood or plastic, either with or without a grooved cleaning edge, can be used to scrape the residues off the upper surface of the cooking grids. Alternatively, wire bristle cleaning brushes are widely used and are highly effective because the bristles are able to spread apart and clean the sides of the rods or bars as well as their upper surfaces. Unfortunately, serious injuries have been known to occur when wire bristles break off the cleaning brush, stick to the cooking grid, and are then ingested along with the food that is subsequently cooked on the cleaned cooking grid. This type of accident may lead to emergency room visits if the wire bristle becomes embedded in the digestive tract of the person consuming the food.
- It would therefore be beneficial to provide a product and method for cleaning a grill that overcomes at least some of the above-mentioned disadvantages and/or limitations.
- In accordance with an aspect of at least one embodiment there is provided a grill-cleaning tool, comprising: a water-absorbent layer fabricated from a material that is suitable for transferring a volume of water; and a scrubbing outer layer fabricated from a metallic-mesh material and covering the water-absorbent layer.
- Optionally the grill-cleaning tool further comprises a fire-resistant layer disposed outwardly of the water absorbent layer, and the scrubbing outer layer covers both the fire-resistant layer and the water absorbent layer.
- In accordance with an aspect of at least one embodiment there is provided a method of cleaning cooking grids of a cooking appliance using a grill-cleaning tool as described above, the method comprising: a) heating the cooking grids to a known cleaning temperature; b) absorbing water into the water-absorbent layer of the grill-cleaning tool; c) pressing the scrubbing outer layer against the heated cooking grids, thereby forcing a portion of the absorbed water out of the water-absorbent layer and into contact with the heated cooking grids so as to generate steam; and d) using a scrubbing motion, mechanically loosening residues adhered to the heated cooking grids.
- In an embodiment a grill-cleaning tool includes: an inner layer fabricated from a water-proof material and being generally cylindrical in shape with a closed end and with an open end that is opposite the closed end for receiving the hand and forearm of a user; a water-absorbent layer disposed outwardly of the water-proof inner layer and fabricated from a material that is suitable for transferring a volume of water; a fire-resistant layer disposed outwardly of the water absorbent layer; and a scrubbing outer layer fabricated from a metallic-mesh material.
- In an embodiment the fire-resistant layer is omitted.
- In an embodiment the water-absorbent layer and the fire-resistant layer are sewn together and are assembled into the grill-cleaning tool as a single unit.
- In an embodiment the water-proof inner layer, the water-absorbent layer and the fire-resistant layer are each sized to extend approximately to the user's elbow.
- In an embodiment the water-absorbent layer and the fire-resistant layer are also generally cylindrical in shape with a closed end and with an open end that is opposite the closed end for receiving the hand and forearm of a user, and wherein the closed end of each one of the water-proof inner layer, the water-absorbent layer and the fire-resistant layer is larger in the radial direction than the open end of each one of the water-proof inner layer, the water-absorbent layer and the fire-resistant layer.
- In an embodiment the grill-cleaning tool includes a plurality of circumferentially spaced-apart ribs extending radially inward from an inner surface of the water-proof inner layer and extending longitudinally along the length of the water-proof inner layer within the larger closed end thereof.
- In an embodiment the grill-cleaning tool includes between 4 and 8 circumferentially spaced-apart ribs extending radially inward from an inner surface of the water-proof inner layer and extending longitudinally along the length of the water-proof inner layer within the larger closed end thereof.
- In an embodiment each rib is wider at a top portion thereof than at a base portion thereof.
- In an embodiment the grill-cleaning tool includes a plurality of fasteners disposed along an outer surface of the water-proof inner layer and a plurality of complementary fasteners disposed along an inner surface of the water-absorbent layer for cooperatively securing the water-absorbent layer to the water-proof inner layer.
- In an embodiment the grill-cleaning tool includes a plurality of fasteners disposed along an outer surface of the fire-resistant layer and a plurality of complementary fasteners carried by the scrubbing outer layer for cooperatively securing the scrubbing outer layer to the fire-resistant layer.
- In an embodiment the water-proof inner layer is fabricated from heat-resistant silicone rubber.
- In an embodiment the scrubbing outer layer is fabricated from food-grade stainless-steel.
- The instant invention will now be described by way of example only, and with reference to the attached drawings, wherein similar reference numerals denote similar elements throughout the several views, and in which:
-
FIG. 1 is a simplified diagram showing a water-proof inner layer of a wearable grill-cleaning tool according to an embodiment. -
FIG. 1A is a cross-sectional view taken along line A-A inFIG. 1 . -
FIG. 1B is a cross-sectional view taken along line B-B inFIG. 1 . -
FIG. 2 is a simplified diagram showing a water-absorbent layer of a wearable grill-cleaning tool according to an embodiment. -
FIG. 3 is a simplified diagram showing a fire-resistant layer of a wearable grill-cleaning tool according to an embodiment. -
FIG. 4 is a simplified diagram showing an abrasive or scrubbing outer layer of a wearable grill-cleaning tool according to an embodiment. -
FIG. 5 is a simplified diagram showing a grill cleaning tool head according to another embodiment. -
FIG. 5A shows the grill cleaning tool head ofFIG. 5 assembled onto a handle. -
FIG. 5B is a cross-sectional view taken along line B-B inFIG. 5A . -
FIG. 6 is a simplified side view showing a grill cleaning tool head according to another embodiment assembled onto a handle. -
FIG. 7 is a simplified top view showing the grill cleaning tool head and handle ofFIG. 6 . -
FIG. 8A is a top exterior view of half of a support block that is used in the embodiment shown inFIGS. 6 and 7 . -
FIG. 8B is a bottom interior view of the half of the support block of inFIG. 8A . -
FIG. 8C is a side view of the half of the support block ofFIG. 8A . -
FIG. 8D is an end view of the half of the support block ofFIG. 8A . -
FIG. 9 is a top view of a support block that is used in the embodiment shown inFIGS. 6 and 7 with a plurality of grill-cleaning layers assembled thereto. -
FIG. 9A is a top view of a support block that is used in the embodiment shown inFIGS. 6 and 7 and with a deformable and grooved inner support layer. -
FIG. 9B is an end view of the support block ofFIG. 9A . -
FIG. 10 is a simplified diagram showing a grill cleaning tool according to yet another embodiment. -
FIG. 11 is a simplified diagram showing a grill cleaning tool according to yet another embodiment. - The following description is presented to enable a person skilled in the art to make and use the invention and is provided in the context of a particular application and its requirements. Various modifications to the disclosed embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other embodiments and applications without departing from the scope of the invention. Thus, the present invention is not intended to be limited to the embodiments disclosed but is to be accorded the widest scope consistent with the principles and features disclosed herein. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of “including,” “comprising,” or “having” and variations thereof herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items.
- In the description and in the claims, the term “inner” is intended to mean closer to the hand of the user (or closer to a handle or a handle mounting structure) relative to another layer. Similarly, the term “outwardly” is intended to mean further away from the hand of the user (or from the handle or the handle mounting structure) relative to another layer.
- The term “fire-resistant” is intended to mean resistant to but not wholly proof from the effects of fire or intense heat, and being made from materials that are inherently nonflammable. The specific “fire resistant” material chosen for a particular application may or may not also have a significant heat-insulating property.
- The term “metallic-mesh” is intended to mean a material that is fabricated from a plurality of interconnected links of a metal or metal alloy.
- A specific and non-limiting example will now be described with reference to
FIGS. 1-4 , which show a wearable grill-cleaning tool according to an embodiment. - In general, the wearable grill-cleaning tool that is shown in
FIGS. 1-4 comprises a plurality of layers, all of which are configured to receive and enclose at least the hand of a user. Optionally, at least some of the layers are configured to further receive and enclose at least the forearm (i.e. up to the elbow joint) of the user. In an embodiment, the wearable grill-cleaning tool is neither left-handed nor right-handed and may be described using the term “sock-shaped” or “tube-shaped.” Alternatively, distinct left-handed and right-handed configurations may be fabricated. - In one implementation, the plurality of layers includes: 1) a water-proof inner layer, 2) a water-absorbent layer disposed outwardly of the water-proof inner layer, 3) a fire-resistant layer disposed outwardly of the water-absorbent layer, and 4) an abrasive or scrubbing outer layer, which surrounds the first three inner layers.
- In another implementation, the plurality of layers includes: 1) a water-proof inner layer, 2) a water-absorbent and fire-resistant layer disposed outwardly of the water-proof inner layer, and 3) an abrasive or scrubbing outer layer, which surrounds the first two inner layers.
- The layers of the plurality of layers are fastened together to form an assembled grill-cleaning tool. The fastenings prevent or minimize relative movement of the layers during use. The fastenings may be disengaged in order to separate the layers one from another, in order to facilitate cleaning, and/or to allow the layers to be replaced at the end of the usable life of each of the respective layers.
- Referring specifically to
FIG. 1 , shown are various features of a water-proofinner layer 10 of the wearable grill-cleaning tool according to an embodiment. The water-proofinner layer 10 is for instance a sock-shaped silicone rubber tube with a relatively largerclosed end 12 and a relatively smalleropen end 14. A series ofprotuberances 16 represent fasteners arranged along the outer surface of the silicone tube. Some of the illustrated fasteners are for securing different layers, and the type of fasteners may be either the same or different. One non-limiting example of a suitable fastener is a dome-snap type fastener system. Of course, other suitable fasteners such as for instance a loop-type snap fastener, a strap-and-buckle type fastener, a hook-and-loop type fastener etc. may be used. - As shown using dashed lines, a series of
ribs 18, such as raised silicone rubber, are provided along the inner surface at the larger closed end only, to assist with gripping by the user, etc. An example total length between the open and closed end of the water-proof inner layer is about 18 inches. Example diameters for the open and closed ends are about 5.29 inches OD and 6.20 inches OD, respectively. An example thickness of the material of the water-proof inner layer is about 0.1 inch. That being said, optionally a “large” size and a “small” size is envisioned in order to accommodate different users having different sized hands. -
FIG. 1A shows a cross-sectional view of the relatively largerclosed end 12 taken along line A-A, andFIG. 1B shows a cross-sectional view of the relatively smalleropen end 14 taken along line B-B. Theribs 18 shown inFIG. 1A are, by way of example, approximately 1 inch tall and approximately 1 inch wide at the tops thereof, but only about 0.25 inches wide at the bases thereof, and thus theribs 18 are generally “T-shaped.” In this specific example, theribs 18 are approximately 5 inches in length. The number ofribs 18 may be varied, but in this specific example 8 ribs are shown. Alternatively, between 4 and 8 ribs are provided. -
FIG. 2 illustrates various features of the water-absorbent layer 20 of the wearable grill-cleaning tool, andFIG. 3 illustrates various features of the fire-resistant layer 30 of the wearable grill-cleaning tool. These two layers may be sewn together or otherwise incorporated into a single (compound) layer (not illustrated), which can then be assembled as a unit into the wearable grill-cleaning tool. Alternatively,additional fasteners 22 may be carried on the outer surface of the water-absorbent layer 20 and on the inner surface (not illustrated) of the fire-resistant layer 30, such that the two layers may be assembled separately into the wearable grill-cleaning tool. In this specific and non-limiting example, both the water-absorbent layer 20 and the fire-resistant layer 30 have a closed end and an open end, which are complementary to theclosed end 12 andopen end 14 of the water-proofinner layer 10. Since the various layers of the wearable grill-cleaning tool are assembled one onto another, each outwardly disposed layer is sized to accommodate the respective inner layers. Example diameters for the open and closed ends of the water-absorbent layer 20 are about 5.79 inches OD and 6.70 inches OD, respectively and for the fire-resistant layer 30 are about 6.05 inches OD and 6.96 inches OD, respectively. -
FIG. 4 illustrates various features of the abrasive or scrubbingouter layer 40 of the wearable grill-cleaning tool according to an embodiment. Theouter layer 40 is for instance a metallic-mesh (chain mail-like) material fabricated from stainless steel links each of a few millimeters in size. Optionally, another suitable metal or a suitable metal alloy is used to fabricate metallic-mesh of theouter layer 40.Fasteners 42 are provided at anopen end 44 of theouter layer 40. In an embodiment, thefasteners 42 secure directly to thefasteners 16 near theopen end 14 of the water-proofinner layer 10. - As is apparent, in this example the abrasive or scrubbing
outer layer 40 is relatively shorter than any of the inner layers, and in particular extends only to about the user's wrist. Example diameters for the open and closed ends are about 6.20 inches OD and 7.11 inches OD, respectively. - When the grill-cleaning tool is intended to be worn by a user, the layers are closed at one end and open at the opposite end for receiving the hand and fore-arm of the user, much in the same way a sock receives a foot and part of the calf of a wearer. Optionally, at least some of the layers are not closed at the one end. By way of a non-limiting example, the abrasive or scrubbing layer may be provided in the form of a band that is open at both ends, or in the form of a patch that is carried along only part of the circumference of the wearable-grill cleaning tool. For safety reasons and to improve the user's comfort, other layers should be closed at the one end (e.g., the water-proof inner layer and the fire-resistant layer or water-absorbent and fire-resistant layer). The length that is selected for each layer depends for instance safety considerations and cost. The water-absorbent and fire-resistant layers may extend to the user's elbow in order to protect the user's forearm from heat and steam coming off the grill cooking surface, whilst the abrasive or scrubbing layer may extend only the length of the user's hand since material past the user's wrist would not be used to clean the grill cooking surface.
- Some additional features of each of the individual layers are listed below:
- Water-Proof Inner Layer 10:
-
- May be a tube with a larger end (Closed) and a smaller end (opened).
- May include internal ribs in the larger end to assist the user in establishing a firm grip to perform the scrubbing motion and apply pressure in the cleaning process.
- May carry a fastener system to fasten the water-absorbent or water-absorbent and fire-resistant layer outwardly thereof.
- Provide a water proof membrane between the user and the water-absorbent or water-absorbent and fire-resistant layer.
- Protects the user's hand and forearm up to about the user's elbow from direct heat from the grilling appliance and the steam that is evolved during cleaning.
- An example material is a heat resistant silicon rubber material.
- Water-
Absorbent Layer 20 and Fire-Resistant Layer 30: -
- Store water in the fibers of a water-absorbent cloth material.
- Fire-resistant material is disposed outwardly of the cloth material, which is the case regardless of whether the water-absorbent layer and the fire-resistant layer are separate or integrated into a single dual-function layer.
- Carries a first fastener system along an inner surface thereof for mating with the fastener system of the water-proof layer.
- Carries a second fastener system along an outer surface thereof to fasten the abrasive or scrubbing layer outwardly thereof.
- Some specific and non-limiting examples of materials that may be used in the fabrication of the water-absorbent and/or fire-resistant layer(s) include at least the following:
- Nomex® Fabric—by Dupont™
- Westex®—by Milliken
- Kovenex™ Fabrics—by Kovenex™
- Abrasive or scrubbing Layer 40:
-
- Provides the ability to scrub the cooking grids, to scrape off the residue (grease, food, dirt and debris) from previous activity usage of the grill.
- Material to be a metal or metallic alloy e.g., stainless steel and food grade. Alternatively, a natural material is used to form the abrasive or scrubbing layer, such as for instance a piece of leather having a plurality of perforations to resemble a piece of honeycomb. The piece of leather hardens after multiple cleaning cycles and forms sharp edges capable of removing the steam-loosened debris from the grill surface.
- Another specific and non-limiting example will now be described with reference to
FIGS. 5, 5A and 5B , which shows a generally cup-shaped grill-cleaningtool head 50 with ahandle 60. - In general, the grill-cleaning
tool head 50 that is shown in an assembled condition inFIG. 5A comprises a plurality of layers, all of which are configured to receive and enclose afirst end 62 of thehandle 60, which also has asecond end 64 that may be grasped by a user for cleaning a grill with the grill cleaning tool. The grill-cleaningtool head 50 is depicted in a highly simplified way inFIG. 5A , in the form of a transparent cylinder, so as to avoid obscuring details of the connection to thefirst end 62 of thehandle 60. Thehandle 60 is optionally fabricated from a plastic, wood or metallic material, or combinations thereof, and is fixedly secured at thefirst end 62 thereof to the grill cleaning tool. The handle has agrasping feature 66 at thesecond end 64 thereof opposite thefirst end 62. Thehandle 60 has a length that is sufficient to allow the user to clean a grill with the grill cleaning tool and without placing his or her hand too close to the grill, such as for instance between 24 and 36 inches, most preferably about 30 inches. -
FIG. 5 shows, in isolation, the innermost layer of the grill-cleaningtool head 50, which in this example is a silicone rubberinner support layer 52. Theinner support layer 52 is generally cup-shaped, is deformable by application of pressure, and has a plurality ofperforations 54 extending between an inner surface and an outer surface thereof for allowing fluid to flow therethrough. Theinner support layer 52 supports a plurality of outwardly disposed layers (not illustrated), which layers are similar to the water-absorbent layer 20, the fire-resistant layer 30 and the scrubbingouter layer 40 described above. A plurality offasteners 56 is illustrated along the outer surface of theinner support layer 52 for mating with complementary fasteners carried by one or more of the outwardly-disposed layers (not illustrated). Thefasteners 56 prevent or minimize relative movement of the various layers during use. Thefasteners 56 may be disengaged in order to separate the layers one from another, in order to facilitate cleaning, and/or to allow the layers to be replaced at the end of the usable life of each of the respective layers. - In the specific example that is shown in
FIG. 5 , the generally cup-shapedinner support layer 52 may become filled with water when the grill cleaning tool is immersed in a container of water, and the water may subsequently drain out through the plurality of perforations to thereby thoroughly soak the adjacent water absorbent layer and to also control the amount of water that is transferred to the grill appliance being cleaned. Alternatively, theinner support layer 52 may be fabricated in the form of a closed cylindrical shaped body, which merely supports the outwardly disposed layers and does not become filled with water. - Referring again to
FIG. 5A , theelongated handle 60 is mounted at thefirst end 62 thereof to theinner support layer 52. In the specific and non-limiting example that is shown inFIG. 5A , theinner support layer 52 is substantially similar to thelarge end 12 of the water-proofinner layer 10 shown inFIG. 1 , and the inner surface of theinner support layer 52 includes a plurality of raisedribs 58 extending along the inner surface in the longitudinal direction. Referring also toFIG. 5B , a plurality of wings orfingers 68 extending from thefirst end 62 of thehandle 60 engage betweenadjacent ribs 58 to secure theinner support layer 52 to thefirst end 62 of thehandle 60. Alternatively, another suitable mounting arrangement is used, such as for instance molding the inner support layer with an integrally formed extension that forms at least a portion of the handle or molding theinner support layer 52 with an integrally formed mounting feature for engaging a complementary mounting feature disposed at the first end of the elongated handle. - Some additional features of each of the individual layers are listed below:
- Inner Support Layer:
-
- May be a tube with similarly dimensioned closed and open ends, forming a substantially cup-shaped structure.
- May include internal ribs for engaging wings or fingers extending from a first end of an elongated handle.
- May carry a fastener system to fasten the water-absorbent or water-absorbent and fire-resistant layer outwardly thereof.
- May have a plurality of perforations for allowing liquid to pass between inner and outer sides of the inner support layer.
- May be fabricated as a closed, hollow cylindrical-shaped body or as a solid cylindrical-shaped body.
- An example material is a heat resistant silicon rubber material or a rigid or semi-rigid plastic.
- Water-Absorbent and Fire-Resistant Layer:
-
- Stores water in the fibers of a cloth material.
- A fire-resistant material is disposed outwardly of the cloth material, which is the case regardless of whether the water-absorbent layer and the fire-resistant layer are separate or integrated into a single dual-function layer.
- Carries a first fastener system along an inner surface thereof for mating with the carrier system of the inner support layer.
- Carries a second fastener system along an outer surface thereof to fasten the abrasive or scrubbing layer outwardly thereof.
- Some specific and non-limiting examples of materials that may be used in the fabrication of the water-absorbent and/or fire-resistant layer(s) include at least the following:
- Nomex® Fabric—by Dupont™
- Westex®—by Milliken
- Kovenex™ Fabrics—by Kovenex™
- Abrasive or Scrubbing Layer:
-
- Provides the ability to scrub the cooking grids, to scrape off the residue (grease, food, dirt and debris) from previous activity usage of the grill.
- Material to be a metal or metallic alloy e.g., stainless steel and food grade. Alternatively, a natural material is used to form the abrasive or scrubbing layer, such as for instance a piece of leather having a plurality of perforations to resemble a piece of honeycomb. The piece of leather hardens after multiple cleaning cycles and forms sharp edges capable of removing the steam-loosened debris from the grill surface.
- Referring now to
FIG. 6 shown is a simplified side view of an alternative configuration of the grill-cleaning tool head and an associated mounting arrangement. In the specific and non-limiting example that is shown inFIG. 6 , a grill-cleaningtool head 70 is shown assembled onto ahandle 72. The various layers as described above, i.e., an inner support layer, a water-absorbent and fire-resistant layer disposed outwardly of the inner support layer, and an abrasive or scrubbing outer layer, which surrounds the first two inner layers, are shown generally at 74 assembled onto a not shown support block. Thehandle 72 optionally includes agripping feature 76 at an end opposite the grill-cleaningtool head 70, and/or a gripping knob orsimilar structure 78 approximately half-way along the length of thehandle 72. Mechanical fasteners, such as for instance dome snaps 79, are provided on thelayers 74 for securing thelayers 74 onto the not shown support block. Suitable dimensions are for example a handle length of approximately 30 inches with the optionalgripping knob 78 disposed approximately 15 inches from the gripping end of thehandle 72. The support block plus the various layers may have an approximate total thickness of approximately 3.75 inches. -
FIG. 7 is a simplified top view of the embodiment that is shown inFIG. 6 . By way of a specific and non-limiting example, the support block plus the various layers may have an approximate size of 6 inches long by 6.75 inches wide. - Referring now to
FIGS. 8A-D , shown is asupport block 80 suitable for use with the embodiment shown inFIGS. 6 and 7 .FIG. 8A is a view of the outside of thesupport block 80,FIG. 8B is a view of the inside of thesupport block 80,FIG. 8C is a side view of thesupport block 80, andFIG. 8D is an end view of thesupport block 80. The support block has acentral channel 82 with at least onerecess 84 disposed along the length of thechannel 82. As is shown inFIG. 8D , thechannel 82 is circular in the end view and the at least onerecess 84 is a region having a larger diameter relative to the rest of thechannel 82. In the specific example that is shown inFIGS. 8A-D there are threerecesses 84. In an assembled condition, a corresponding at least one ring-shaped region projecting fromhandle 72 is seated within the at least onerecess 84. Thesupport block 80 is rotatable about thehandle 72, and the interlocking at least one recess and not illustrated at least one ring-shaped region projecting from thehandle 72 limit movement of thesupport block 80 in a direction along the length of thehandle 72. Additionally, and optionally, recessedcompartments 86 for retaining small volumes of water are formed in the outer surface of thesupport block 80, as shown inFIG. 8A and using ghost-lines inFIG. 8B . - Referring now to
FIG. 9 , shown is a top view of thesupport block 80 with the inner support layer, the water-absorbent and fire-resistant layer, and the abrasive or scrubbing outer layer supported thereon and secured usingmechanical fasteners 79 carried by the outer layer. Various configurations may be employed for the various layers, and different layers may be configured differently. For instance, the inner support layer may be omitted, or it may be formed integrally with thesupport block 80 as adeformable layer 90 molded thereto as shown inFIGS. 9A and 9B . The water absorbent and fire-proof layers preferably are sock-shaped and extend over the end of the support block opposite thehandle 72 so as to protect the material of the support block from heat produced by the grill being cleaned. On the other hand, the abrasive or scrubbing outer layer may be formed as a band that covers the top, bottom and opposite sides but not the end of thesupport block 80. Alternatively, the abrasive or scrubbing outer layer may also cover the end of thesupport block 80 to provide additional scrubbing area on the grill-cleaning tool head. In the embodiment shown inFIGS. 8A-8D , preferably the inner support layer is formed with a plurality of perforations to support outward movement of trapped water from the recessedcompartments 86 to the water absorbent and fire-proof layers. - Referring specifically to
FIGS. 9A and 9B , the inner support layer is either molded directly on thesupport block 80 or it is formed as a semi-rigid removable casing provided with anaccess slot 92 through which thesupport block 80 is inserted. In both cases, the inner support layer preferably is formed with a series of outwardly facinggrooves 94 which are deformable when pressed against the surface of the grill that is being cleaned. Thegrooves 94 allow the grill cleaning tool reach below the upper surface of the grill that is being cleaned, trapping steam against the grill surface and thereby removing additional debris compared to a flat and non-deformable cleaning tool surface. Advantageously, themechanical fasteners 79 may be released and the water-absorbent and fireproof layers, as well as the scrubbing outer layer may be removed from the support block and water-proof inner layer and may be cleaned after several uses or even after a single use. - Some additional features of each of the individual layers are listed below:
- Inner Support Layer:
-
- May be formed as a removable casing with an access slot for receiving a support block.
- May be formed integrally with a support block.
- May have a plurality of perforations for allowing liquid to pass between inner and outer sides thereof.
- An example material is a heat resistant silicon rubber material or a rigid or semi-rigid plastic.
- Water-Absorbent and Fire-Resistant Layer:
-
- Stores water in the fibers of a cloth material.
- A fire-resistant material is disposed outwardly of the cloth material, which is the case regardless of whether the water-absorbent layer and the fire-resistant layer are separate or integrated into a single dual-function layer.
- Some specific and non-limiting examples of materials that may be used in the fabrication of the water-absorbent and/or fire-resistant layer(s) include at least the following:
- Nomex® Fabric—by Dupont™
- Westex®—by Milliken
- Kovenex™ Fabrics—by Kovenex™
- Abrasive or Scrubbing Layer:
-
- Provides the ability to scrub the cooking grids, to scrape off the residue (grease, food, dirt and debris) from previous activity usage of the grill.
- Material to be a metal or metallic alloy e.g., stainless steel and food grade. Alternatively, a natural material is used to form the abrasive or scrubbing layer, such as for instance a piece of leather having a plurality of perforations to resemble a piece of honeycomb. The piece of leather hardens after multiple cleaning cycles and forms sharp edges capable of removing the steam-loosened debris from the grill surface.
- Another specific and non-limiting example will now be described with reference to
FIGS. 10-11 , which shows a grill-cleaning tool in the form of a pad with a handle. - In general, the grill cleaning tools shown in
FIGS. 10-11 comprise a plurality of layers assembled together to form a pad of sorts which has an upper side that faces away from the cooking grids during use. An elongated handle extending away from the upper side is provided for being grasped by a user during cleaning of a grill with the grill cleaning tool. For instance, the upper side of the grill leaning tool carries a complementary mounting structure for detachably receiving a mounting structure disposed at a first end of the handle, and the handle having a grasping feature disposed at a second end thereof for being grasped by the user. Although not shown inFIGS. 10-11 , optionally a gripping feature similar toknob 76 is provided along the handle. - The layers of the plurality of layers are fastened together to form an assembled grill-cleaning tool. The fastenings carried by the various layers prevent or minimize relative movement of the layers during use. The fastenings may be disengaged in order to separate the layers one from another, in order to facilitate cleaning, and/or to allow the layers to be replaced at the end of the usable life of each of the respective layers.
- As shown in
FIG. 10 , the grill-cleaning tool includes abacking layer 100, which is for instance a rigid plastic layer that provides backing support for the other layers that are disposed outwardly of the backing layer. A combined water-absorbent and fire-resistant layer 102 is fastened adjacent to the backing layer, and finally an abrasive orscrubbing layer 104 is disposed adjacent to thelayer 102. Optionally, the combined water-absorbent layer and fire-resistant layer 102 is provided as separate not illustrated water-absorbent and fire-resistant layers. Acomplementary mounting structure 106 is integrally formed with, i.e. by molding, or otherwise joined using an adhesive or other means, to thebacking layer 100. A mountingstructure 108 that is carried at a first end of ahandle shaft 110 engages and is fixedly secured to thecomplementary mounting structure 106. Optionally, agrasping feature 112 is provided at a second end of thehandle shaft 110 that is opposite the first end. - As shown in
FIG. 11 , optionally a separate backing layer is omitted and thecomplementary mounting structure 106 is mounted to or otherwise integrated into the combined water-absorbent and fire-resistant layer 102. - Some additional features of each of the individual layers are listed below:
- Backing Support Layer:
-
- Fabricated from a rigid or semi-rigid material, such as for instance a plastic or metal or metal alloy material.
- Carries a fastener system to fasten the water-absorbent or water-absorbent and fire-resistant layer outwardly thereof.
- May carry a complementary mounting structure for detachably engaging a mounting structure disposed at a first end of an elongated handle or may be molded or otherwise integrated with the first end of the elongated handle.
- Distributes a pressing force that is applied via the handle during cleaning a grill to the entire cleaning area of the grill-cleaning tool.
- Water-Absorbent and Fire-Resistant Layer:
-
- Stores water in the fibers of a cloth material.
- A fire-resistant material is disposed outwardly of the cloth material, which is the case regardless of whether the water-absorbent layer and the fire-resistant layer are separate or integrated into a single dual-function layer.
- Carries a first fastener system along an inner surface thereof for mating with the carrier system of the inner support layer.
- Carries a second fastener system along an outer surface thereof to fasten the abrasive or scrubbing layer outwardly thereof.
- Some specific and non-limiting examples of materials that may be used in the fabrication of the water-absorbent and/or fire-resistant layer(s) include at least the following:
- Nomex® Fabric—by Dupont™
- Westex®—by Milliken
- Kovenex™ Fabrics—by Kovenex™
- Abrasive or Scrubbing Layer:
-
- Provides the ability to scrub the cooking grids, to scrape off the residue (grease, food, dirt and debris) from previous activity usage of the grill.
- Material to be a metal or metallic alloy e.g., stainless steel and food grade. Alternatively, a natural material is used to form the abrasive or scrubbing layer, such as for instance a piece of leather having a plurality of perforations to resemble a piece of honeycomb. The piece of leather hardens after multiple cleaning cycles and forms sharp edges capable of removing the steam-loosened debris from the grill surface.
- A method of cleaning the cooking grids of a grill appliance, using a grill-cleaning tool according to an embodiment, will now be described.
- Cleaning is performed when the cooking grids are hot, e.g. after the grilling appliance has been pre-heated to the desired cooking temperature, typically 350-450° F. The user immerses the grill-cleaning tool in a container of water or runs water onto the grill-cleaning tool from a hose or faucet. The water-absorbent material holds water until the user presses the grill-cleaning tool against the hot cooking grids, which forces some of the water into contact with the hot cooking grids and thereby producing steam to assist in the cleaning action. The user moves the grill-cleaning tool while still in contact with the hot cooking grids, using a scrubbing motion, such that the abrasive or scrubbing outer layer dislodges the residue from the hot cooking grids. Removal of the residue is facilitated by the combination of heat and water/steam, which softens the residue making it easier to dislodge. When the scrubbing surface of the grill-cleaning tool becomes fouled with the residue and cleaning efficiency decreases, the user may rotate the grill-cleaning tool (except for the embodiments shown in
FIGS. 10-11 ) to expose a fresh scrubbing surface. The user may continue to rotate the grill-cleaning tool until no fresh scrubbing surface remains, after which the grill-cleaning tool may be cleaned by immersion into fresh water etc. The grill-cleaning tool may be re-immersed in fresh water as many times as is required to completely clean the cooking grids. - When the grill-cleaning tool is worn by the user, the user's hand is protected by the water-proof layer and the fire-resistant layer, as well as the volume of water that is held in the water-absorbent layer. Since a large volume of hot steam may be produced, preferably at least the fire-resistant layer extends along the user's forearm to prevent scalding and burns due to the evolved steam.
- When the grill-cleaning tool is mounted on a handle, the handle is sufficiently long such that the user does not place his or her hand close enough to the grill to be burned or scalded by the heat coming directly off the grill or by the evolved steam.
- After use, the grill-cleaning tool can be disassembled and cleaned for the next time usage. Different cleaning procedures are suitable for the different layers. For instance, the abrasive or scrubbing outer layer, which may be fabricated from stainless steel mesh, may be cleaned in a dishwasher or using common dish soap. The water-absorbent layer and fire-resistant layer, either as a single layer or as two separate layers, may be cleaned in a laundry machine. The water-proof inner layer may be wiped down with a damp cloth.
- In each embodiment described above, optionally the fire-resistant layer is omitted. Although less preferred, the water-absorbent layer carries a volume of water that is sufficient to prevent the inner layers (i.e., the water-proof layer or inner support layer) from burning even during exposure to the relatively high temperatures that are produced by a grill-cooking appliance. The combination of the water-absorbent layer (which carries water that is converted to a cleaning steam when brought into contact with the hot surface of a grill cleaning appliance) and the abrasive or scrubbing layer (which mechanically removes debris that is loosened by the cleaning steam) is sufficient to provide the improved grill-cleaning properties that are described above. The water-proof layer and/or inner support layer and/or fire-resistant layer may be included depending on the particular implantation and/or the level of safety and/or personal protection that is desired.
- The foregoing description of methods and embodiments of the invention has been presented for purposes of illustration. It is not intended to be exhaustive or to limit the invention to the precise steps and/or forms disclosed, and many modifications and variations are possible in light of the above teaching. It is intended that the scope of the invention and all equivalents be defined by the claims appended hereto.
Claims (30)
1. A grill-cleaning tool, comprising:
a water-absorbent layer fabricated from a material that is suitable for transferring a volume of water; and
a scrubbing outer layer fabricated from a metallic-mesh material and covering the water-absorbent layer.
2. The grill-cleaning tool of claim 1 , further comprising a fire-resistant layer disposed outwardly of the water absorbent layer, wherein the scrubbing outer layer covers both the fire-resistant layer and the water-absorbent layer.
3. The grill-cleaning tool of claim 2 , further comprising a backing layer that is arranged such that the water-absorbent layer and the fire-resistant layer are sandwiched between the backing layer and the scrubbing outer layer.
4. The grill-cleaning tool of claim 3 , further comprising a complementary mounting structure carried by the backing layer for detachably engaging a mounting structure that is carried at a first end of a handle.
5. The grill cleaning tool of claim 3 , wherein the backing layer is fabricated from a rigid material or semi-rigid material.
6. The grill-cleaning tool of claim 3 , further comprising a complementary mounting structure integrated into the water-absorbent layer for engaging a mounting structure carried at a first end of a handle.
7. The grill-cleaning tool of claim 3 , wherein the scrubbing outer layer is fabricated from food-grade stainless-steel.
8. The grill cleaning tool of claim 2 , further comprising an inner support layer disposed inwardly of the water-absorbent layer, the fire-resistant layer and the scrubbing outer layer, and wherein the inner support layer is operatively coupled to an elongated handle having a grasping end that is spaced away from the inner support layer.
9. The grill cleaning tool of claim 8 , wherein the inner support layer is a generally cup-shaped structure with an open end, and wherein an end of an elongated handle opposite the grasping end extends through the open end and into an interior cavity of the inner support layer.
10. The grill cleaning tool of claim 9 , comprising a mounting feature carried by the inner support layer within the interior cavity thereof, and wherein the elongated handle comprises a complementary mounting feature disposed at the first end for engaging the mounting feature.
11. The grill cleaning tool of claim 9 , wherein a wall material of the inner support layer comprises a plurality of perforations configured to support movement of liquid into and out of the interior cavity of the inner support layer.
12. The grill cleaning tool of claim 8 , wherein the inner support body is either a closed, hollow cylindrical-shaped body or a solid cylindrical-shaped body.
13. The grill cleaning tool of claim 12 , wherein the elongated handle and the inner support layer comprise a single, molded piece.
14. The grill-cleaning tool of claim 2 , wherein the grill-cleaning tool is wearable, and further comprising an inner layer that is fabricated from a water-proof material and that is generally cylindrical in shape with a closed end and with an open end that is opposite the closed end for receiving the hand and forearm of a user, wherein the water-absorbent layer, the fire-resistant layer and the scrubbing outer layer are also generally cylindrical in shape with a closed end and with an open end that is opposite the closed end, and wherein the layers are nested one inside another and are fastened together when the wearable grill-cleaning tool is in an assembled condition.
15. The grill-cleaning tool of claim 14 , wherein the water-absorbent layer and the fire-resistant layer are sewn together and are assembled into the wearable grill-cleaning tool as a single unit.
16. The grill-cleaning tool of claim 14 , wherein the water-proof inner layer, the water-absorbent layer and the fire-resistant layer are each sized to extend approximately to the user's elbow.
17. The grill-cleaning tool of claim 14 , wherein the closed end of each one of the water-proof inner layer, the water-absorbent layer and the fire-resistant layer is larger in the radial direction than the open end of each one of the water-proof inner layer, the water-absorbent layer and the fire-resistant layer.
18. The grill-cleaning tool of claim 17 , comprising a plurality of circumferentially spaced-apart ribs extending radially inward from an inner surface of the water-proof inner layer and extending longitudinally along the length of the water-proof inner layer within the larger closed end thereof.
19. The grill-cleaning tool of claim 18 , wherein each rib of the plurality of ribs is wider at a top portion thereof than at a base portion thereof.
20. The grill-cleaning tool of claim 18 , comprising between 4 and 8 circumferentially spaced-apart ribs extending radially inward from an inner surface of the water-proof inner layer and extending longitudinally along the length of the water-proof inner layer within the larger closed end thereof.
21. The grill-cleaning tool of claim 11 , comprising a plurality of fasteners disposed along an outer surface of the water-proof inner layer and a plurality of complementary fasteners disposed along an inner surface of the water-absorbent layer for cooperatively securing the water-absorbent layer to the water-proof inner layer.
22. The grill-cleaning tool of claim 14 , comprising a plurality of fasteners disposed along an outer surface of the fire-resistant layer and a plurality of complementary fasteners carried by the scrubbing outer layer for cooperatively securing the scrubbing outer layer to the fire-resistant layer.
23. The grill-cleaning tool of claim 14 , wherein the water-proof inner layer is fabricated from heat-resistant silicone rubber.
24. The grill-cleaning tool of claim 14 , wherein the scrubbing outer layer is fabricated from food-grade stainless-steel.
25. A method of cleaning cooking grids of a cooking appliance using the grill-cleaning tool of claim 1 , comprising:
a) heating the cooking grids to a known cleaning temperature;
b) absorbing water into the water-absorbent layer of the grill-cleaning tool;
c) pressing the scrubbing outer layer against the heated cooking grids, thereby forcing a portion of the absorbed water out of the water-absorbent layer and into contact with the heated cooking grids so as to generate steam; and
d) using a scrubbing motion, mechanically loosening residues adhered to the heated cooking grids.
26. The method of claim 25 , wherein absorbing water into the water-absorbent layer comprises immersing the grill-cleaning tool, in an assembled condition, into a container of water.
27. The method of claim 25 , further comprising rotating the grill-cleaning tool during scrubbing to expose fresh portions of the scrubbing outer layer.
28. The method of claim 25 , further comprising absorbing additional water into the water-absorbent layer of the grill-cleaning tool after mechanically loosening residues adhered to the heated cooking grids, and repeating steps c) and d).
29. The method of claim 25 , wherein the known cleaning temperature corresponds to a pre-heat temperature for cooking a desired food.
30. The method of claim 25 , wherein the known cleaning temperature is at least 350° F.
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US17/106,968 US11234558B2 (en) | 2017-08-18 | 2020-11-30 | Tool for cleaning a grill |
US17/557,605 US11759053B2 (en) | 2017-08-18 | 2021-12-21 | Tool for cleaning a grill |
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USD911108S1 (en) * | 2018-08-08 | 2021-02-23 | Wolf and Timber Inc. | BBQ striker and cleaning tool |
US11234558B2 (en) | 2017-08-18 | 2022-02-01 | Joseph Norris | Tool for cleaning a grill |
USD948877S1 (en) | 2019-10-17 | 2022-04-19 | Magellan Home-Goods, Ltd. | Grill brush |
WO2022155366A1 (en) * | 2021-01-13 | 2022-07-21 | 21 Imports Llc | Flexible scrubbing tool with abrader |
US20230000239A1 (en) * | 2021-06-30 | 2023-01-05 | Proud Grill Company Limited | Apparatus for cleaning a grill and method of using the same |
US20230069993A1 (en) * | 2021-09-03 | 2023-03-09 | Jordan Kahn Company | Grill cleaning pad |
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USD1021312S1 (en) * | 2022-06-16 | 2024-04-02 | John A. Youngblood | Grill scraper |
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- 2018-08-16 EP EP18846413.5A patent/EP3668363A4/en active Pending
- 2018-08-16 AU AU2018317521A patent/AU2018317521A1/en active Pending
- 2018-08-16 CA CA3071293A patent/CA3071293A1/en active Pending
- 2018-08-17 US US16/104,558 patent/US20190053668A1/en not_active Abandoned
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US11234558B2 (en) | 2017-08-18 | 2022-02-01 | Joseph Norris | Tool for cleaning a grill |
US11759053B2 (en) | 2017-08-18 | 2023-09-19 | James Norris | Tool for cleaning a grill |
USD911108S1 (en) * | 2018-08-08 | 2021-02-23 | Wolf and Timber Inc. | BBQ striker and cleaning tool |
USD948877S1 (en) | 2019-10-17 | 2022-04-19 | Magellan Home-Goods, Ltd. | Grill brush |
WO2022155366A1 (en) * | 2021-01-13 | 2022-07-21 | 21 Imports Llc | Flexible scrubbing tool with abrader |
US20230000239A1 (en) * | 2021-06-30 | 2023-01-05 | Proud Grill Company Limited | Apparatus for cleaning a grill and method of using the same |
US20230069993A1 (en) * | 2021-09-03 | 2023-03-09 | Jordan Kahn Company | Grill cleaning pad |
US11759083B2 (en) * | 2021-09-03 | 2023-09-19 | Jordan Kahn Company | Grill cleaning pad |
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US20210076875A1 (en) | 2021-03-18 |
US20220110484A1 (en) | 2022-04-14 |
WO2019033217A1 (en) | 2019-02-21 |
EP3668363A1 (en) | 2020-06-24 |
US11234558B2 (en) | 2022-02-01 |
CA3071293A1 (en) | 2019-02-21 |
AU2018317521A1 (en) | 2020-04-02 |
EP3668363A4 (en) | 2021-04-07 |
US11759053B2 (en) | 2023-09-19 |
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