US20220056723A1 - Parts assembly, panel, and tank - Google Patents
Parts assembly, panel, and tank Download PDFInfo
- Publication number
- US20220056723A1 US20220056723A1 US17/519,977 US202117519977A US2022056723A1 US 20220056723 A1 US20220056723 A1 US 20220056723A1 US 202117519977 A US202117519977 A US 202117519977A US 2022056723 A1 US2022056723 A1 US 2022056723A1
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- US
- United States
- Prior art keywords
- flange
- edge
- wall
- tank
- spacing member
- 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.)
- Abandoned
Links
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- 239000002184 metal Substances 0.000 description 5
- 238000002386 leaching Methods 0.000 description 4
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- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
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- 238000002955 isolation Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009428 plumbing Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910000760 Hardened steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
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Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H7/00—Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
- E04H7/02—Containers for fluids or gases; Supports therefor
- E04H7/04—Containers for fluids or gases; Supports therefor mainly of metal
- E04H7/06—Containers for fluids or gases; Supports therefor mainly of metal with vertical axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/02—Wall construction
- B65D90/08—Interconnections of wall parts; Sealing means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/02—Large containers rigid
- B65D88/06—Large containers rigid cylindrical
- B65D88/08—Large containers rigid cylindrical with a vertical axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/02—Wall construction
- B65D90/023—Modular panels
- B65D90/024—Modular panels with features of cylindrical curvature
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/388—Separate connecting elements
-
- E04B1/40—
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
- E04B1/08—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of metal
Definitions
- the present technology relates to the field of assemblies for joining walls, and more specifically to parts assemblies, panels, and tanks.
- Some such structures use flanges that abut each other to bolt together adjacent panels, those flanges being thick enough to support highly tightened bolts. Thick flanges increase material costs, and the joints will generally still require extensive welding.
- a parts assembly including a first wall; a second wall, a first edge of the first wall facing a second edge of the second wall; a first flange connected to and extending outward from the first wall; a second flange connected to and extending outward from the second wall, the second flange being spaced from and disposed opposite the first flange; at least one fastener extending through and connecting the first flange and the second flange, the at least one fastener being pre-tensioned; and at least one rigid spacing member disposed between the first flange and the second flange, the at least one rigid spacing member being spaced from the at least one fastener, the at least one rigid spacing member being in contact with the first and second flanges, the at least one fastener being disposed between the at least one rigid spacing member and the first and second walls.
- the first edge of the first wall abuts the second edge of the second wall.
- the first flange is offset from the first edge; the second flange is offset from the second edge; and the first edge and the second edge are aligned with a space between the first flange and the second flange.
- the first flange and the second flange are disposed equidistant from a corresponding one of the first edge and the second edge.
- the at least one rigid spacing member is a rigid shim connected to one of the first flange and the second flange.
- the rigid shim is welded to the first flange.
- the at least one rigid spacing member is disposed between a first outward end of the first flange and a second outward end of the second flange, the first outward end and the second outward end being ends of the first and second flanges opposite the first wall and the second wall.
- the at least one rigid spacing member is a single rigid spacing member extending along an entire height of the first flange and the second flange.
- the first flange is welded to the first wall; and the second flange is welded to the second wall.
- the parts assembly further includes at least one sealing member disposed between the first edge of the first wall and the second edge of the second wall, the first edge and the second edge abutting the at least one sealing member.
- a parts assembly including a first wall; a second wall; a first flange connected to and extending outward from the first wall; a second flange connected to and extending outward from the second wall, the second flange being spaced from and disposed opposite the first flange; at least one rigid spacing member disposed between the first flange and the second flange, the at least one rigid spacing member being in contact with the first and second flanges, the first wall, the second wall, the first flange, the second flange, and the at least one rigid spacing member forming a closed perimeter defining a space; and at least one fastener extending through the first flange, the space, and the second flange and connecting the first flange to the second flange, the at least one fastener being pre-tensioned, the at least one fastener being spaced from the at least one rigid spacing member.
- a parts assembly including a first wall; a second wall, a first edge of the first wall facing a second edge of the second wall; a first flange connected to and extending outward from the first wall; a second flange connected to and extending outward from the second wall, the second flange being spaced from and disposed opposite the first flange; at least one fastener extending through and connecting the first flange and the second flange, the at least one fastener being pre-tensioned; and at least one rigid spacing member disposed between the first flange and the second flange, the at least one rigid spacing member being spaced from the at least one fastener, the at least one rigid spacing member being in contact with the first and second flanges, the at least one rigid spacing member being disposed at at least one of: above the at least one fastener, and below the at least one fastener.
- a tank including a first curved wall including a first edge extending vertically along the first curved wall; a second curved wall including a second edge extending vertically along the second curved wall, the first edge facing the second edge; a first flange connected to and extending vertically and radially outward from the first curved wall; a second flange connected to and extending vertically and radially outward from the second curved wall, the second flange being spaced from the first flange; at least one fastener extending horizontally through and connecting the first flange and the second flange, the at least one fastener being pre-tensioned; and at least one rigid spacing member disposed between the first flange and the second flange, the at least one rigid spacing member being spaced radially outward from the at least one fastener, the at least one rigid spacing member being in contact with the first and second flanges, the at least one fastener being disposed radially
- the first edge abuts the second edge.
- the first flange is offset from the first edge; the second flange is offset from the second edge; and the first edge and the second edge are aligned with a space between the first flange and the second flange.
- the first flange and the second flange are disposed equidistant from a corresponding one of the first edge and the second edge.
- the at least one rigid spacing member is a rigid shim connected to one of the first flange and the second flange.
- the rigid shim is welded to the first flange.
- the at least one rigid spacing member is disposed between a first outward end of the first flange and a second outward end of the second flange, the first outward end and the second outward end being ends of the first and second flanges radially outward of the first wall and the second wall.
- the at least one rigid spacing member is a single rigid spacing member extending along an entire vertical height of the first flange and the second flange.
- the first flange is welded to the first wall; and the second flange is welded to the second wall.
- At least the first curved wall and the second curved wall form a first cylindrical wall assembly.
- the first cylindrical wall assembly includes a first horizontal flange extending outward from a top edge of the first curved wall and a second horizontal flange extending outward from a top edge of the second curved wall, the first horizontal flange and the second horizontal flange defining a first circumferential flange of the first cylindrical wall assembly; and further including a second cylindrical wall assembly, the second cylindrical wall assembly including a second circumferential flange extending outward from a bottom edge of the second cylindrical wall, the second cylindrical wall assembly being disposed on top of the first cylindrical wall assembly, the first circumferential flange abutting and being fastened to the second circumferential flange.
- the at least one fastener is a plurality of fasteners spaced vertically through the first flange and the second flange.
- the tank further includes at least one sealing member disposed between the first edge and the second edge, the first edge and the second edge abutting the at least one sealing member.
- a panel including a wall; a first flange having a first end connected to a first end portion of the wall, the first flange being offset from a first side edge of the first end portion, the first flange defining a first plurality of apertures for receiving fasteners therethrough; at least one rigid spacing member connected to a second end of the first flange, the second end of the first flange being opposite the first end of the first flange; a second flange having a first end connected to a second end portion of the wall, the second end portion being disposed opposite the first end portion, the second flange being offset from a second side edge of the second end portion, the second flange defining a second plurality of apertures for receiving the fasteners therethrough, the first plurality of apertures being defined between the first end portion of the wall and the at least one rigid spacing member; and at least one third flange connected to at least one of a top edge and a bottom edge of the
- the at least one third flange includes: a top flange connected to the top edge of the wall; and a bottom flange connected to the bottom edge of the wall.
- the at least one rigid spacing member is a single rigid spacing member extending along an entire vertical height of the first flange.
- the first flange is welded to the first end portion of the wall; the second flange is welded to the second end portion of the wall; and the at least one rigid spacing member is welded to the first flange.
- tank refers to any number of structures which includes, but is not limited to: a field-erected tank, a leaching tank, a cistern, a reservoir, a silo, a bin, a standpipe, a pumpbox, and a receptacle.
- Embodiments of the present technology each have at least one of the above-mentioned object and/or aspects, but do not necessarily have all of them. It should be understood that some aspects of the present technology that have resulted from attempting to attain the above-mentioned object may not satisfy this object and/or may satisfy other objects not specifically recited herein.
- FIG. 1 is a top, front side perspective view of a tank
- FIG. 2 is a top, front side perspective of a panel of the tank of FIG. 1 , shown in isolation;
- FIG. 3 is a partial, cross-sectional view of the panel of FIG. 2 , taken along line 3 - 3 of FIG. 2 ;
- FIG. 4 is a close-up, partial view of the tank of FIG. 1 ;
- FIG. 5 is a cross-sectional view of a flange assembly of the tank of FIG. 1 , taken along line 5 - 5 of FIG. 1 ;
- FIG. 6 is a close-up partial view of another non-limiting embodiment of a flange assembly according to the present technology.
- FIG. 7 is a cross-sectional view of the flange assembly of FIG. 6 , taken along line 7 - 7 of FIG. 6 ;
- FIG. 8 is a cross-sectional view of another non-limiting embodiment of a flange assembly according to the present technology.
- FIG. 9 is a close-up partial view of another non-limiting embodiment of a flange assembly according to the present technology.
- FIG. 10 is a cross-sectional view of the flange assembly of FIG. 9 , taken along line 10 - 10 of FIG. 9 ;
- FIG. 11 is a cross-sectional view of another non-limiting embodiment of a flange assembly according to the present technology.
- FIG. 12 is a top, front side perspective view of another non-limiting embodiment of a tank according to the present technology.
- FIG. 13 is a close-up partial view of another non-limiting embodiment of a flange assembly according to the present technology.
- FIG. 14 is a cross-sectional view of the flange assembly of FIG. 13 , taken along line 14 - 14 of FIG. 13 ;
- FIG. 15 is a cross-sectional view of another non-limiting embodiment of a flange assembly according to the present technology.
- FIG. 16 is a cross-sectional view of yet another non-limiting embodiment of a flange assembly according to the present technology, with panels being spaced apart and fasteners having been removed;
- FIG. 17 is a cross-sectional view of yet another non-limiting embodiment of a flange assembly according to the present technology, with panels being spaced apart and fasteners having been removed.
- the present detailed description is intended to be only a description of illustrative examples of the present technology.
- the following description relates to ways of manufacturing and designing a tank, a panel for a tank, and a parts assembly for joining two walls.
- Other ways of manufacturing and designing the tank, the panel, and the assembly are contemplated and this technology would encompass these other known ways and designs.
- a tank 100 according to an embodiment of the present technology is illustrated in FIG. 1 .
- the illustrated tank 100 is a field-erected process tank, but it contemplated that the present technology could apply to different types of tanks 100 . It is further contemplated that the present technology is not generally restricted to tanks, but could be implemented in the construction of storage tanks, leaching tanks, reservoirs, silos, bins, standpipes, receptacles, pump boxes, and cisterns, whether composed of cylindrical or polygonal-shaped walls.
- the tank 100 is built from three cylindrical wall assemblies 110 , each one being built from multiple panels 200 .
- the bottommost cylindrical wall assembly 110 includes a door panel 130 , which allows access to an interior of the tank 100 during assembly or maintenance.
- the door panel 130 is connected to the panels 200 of the bottommost cylindrical wall assembly 110 in the same manner as the panels 200 are connected together.
- the panels 200 will be described in more detail below.
- the wall assemblies 110 are vertically stacked and fastened together, as will be described below.
- a roof 120 is also fastened to a topmost cylindrical wall assembly 110 .
- a floor (not shown) is further fastened to a bottom-most cylindrical wall assembly 110 .
- the tank 100 could be built from more or fewer cylindrical wall assemblies 110 . Some embodiments of the tank 100 may not include the roof 120 and/or the floor. In some embodiments without the roof 120 , the tank 100 could include a bridge connected to and extending over a top side of the tank 100 .
- the upper two cylindrical wall assemblies 110 are built from three panels 200 fastened together, while the bottom most cylindrical wall assembly 110 is formed from four panels 200 . Depending on the specific embodiment, the cylindrical wall assemblies 110 could be formed from more or fewer panels 200 . Connecting the panels 200 together to form the wall assembly 110 will be described in more detail below. Some of the panels 200 have pipes 107 or other fixtures 109 extending therethrough.
- Each cylindrical wall assembly 110 includes a top circumferential flange 112 and a bottom circumferential flange 114 . Both the top flange 112 and the bottom flange 114 define a plurality of through-holes.
- one cylindrical wall portion 110 is stacked on top of another cylindrical wall portion 110 .
- Fasteners are then inserted and fastened through the apertures of the bottom circumferential flange 114 of the wall assembly 110 on top and the apertures of the top circumferential flange 112 of the wall assembly 110 disposed below.
- the bottom flange 114 of the bottommost cylindrical wall assembly 110 could be omitted in some embodiments.
- the top flange 112 of the topmost cylindrical wall assembly 110 could be omitted in some embodiments.
- one of the panels 200 is shown in isolation and will now be described in more detail. While one panel 200 of the tank 100 will be described, it should be noted that the remaining panels 200 are substantially similar to the panel 200 illustrated in FIG. 2 . The panels 200 are described with respect to their orientation when assembled together to form the tank 100 , but it is contemplated that the panels 200 could be reoriented in different embodiments.
- the panel 200 includes a curved wall 202 .
- the wall 202 is fairly flat or planar. It should be noted however that the wall 202 is quite large relative the end portions of the panel 200 illustrated in FIG. 3 and the curvature is simply not apparent in this figure. A central portion of the wall 202 has been omitted for simplicity.
- the panel 200 could be more or less curved, depending on the embodiment.
- the panel 200 is shaped to form a part of the circumference of the final tank 100 , and the curve and length of the wall 202 will depend on variables such as the desired circumference and radius of curvature of the tank 100 , as well as the number of panels 200 to be connected to form a given cylindrical wall assembly 110 .
- the wall 202 could be planar or nearly planar, for example when implementing the panels 200 for construction of a slurry pumpbox.
- the panels 200 are formed from carbon steel.
- the materials used to form the panels 200 , or even the components (described below) of the panels could vary depending on the specific application.
- the panels 200 , or the panel components could be made from materials including, but not limited to: industrial grade plastic, hardened steel, aluminum, and stainless steel.
- Some of the panels 200 also include two reinforcing ribs 216 , but it is contemplated that the panels 200 could include more or fewer ribs 216 .
- the panels 200 of the bottommost cylindrical wall assembly 110 for instance, do not include reinforcing ribs 216 .
- the panel 200 includes a top horizontal flange 212 extending radially outward along and welded to a top edge of the wall 202 .
- the panel 200 also includes a bottom horizontal flange 214 extending radially outward along and welded to a bottom edge of the wall 202 .
- the three top horizontal flanges 212 form the top circumferential flange 112 and the three bottom horizontal flanges 214 form the bottom circumferential flange 114 .
- Both the top horizontal flange 212 and the bottom horizontal flange 214 define a plurality of through-holes for receiving the fasteners for fastening one cylindrical wall assembly 110 to another, as described above.
- the wall 202 has a right side end portion 204 , as viewed from an exterior side of the tank 100 , with a vertical edge 206 .
- the panel 200 also has a left side end portion 208 with a vertical edge 210 .
- Each edge 206 , 210 is beveled to form a v-shaped groove when two panels 200 abut, as will be described in more detail below.
- edges 206 , 210 could be differently shaped, for example to form a u-shaped groove when two panels 200 abut. It is also contemplated that the edges 206 , 210 could be flat such that no groove is formed when two panels 200 abut.
- the panel 200 includes a right flange 220 welded to an exterior side of the right side portion 204 by inner and outer welds 205 .
- the flange 220 is offset from the edge 206 and extends along the vertical length of the wall 202 .
- the flange 220 defines a plurality of apertures 222 for receiving fasteners therethrough, as will be described in more detail below.
- the panel 200 further includes a left flange 230 welded to the left side portion 208 by inner and outer welds 209 .
- the flange 230 is offset from the edge 210 and extends along the vertical length of the wall 202 .
- the flange 230 defines a plurality of apertures 232 for receiving fasteners therethrough, as will be described in more detail below.
- the flanges 212 , 214 , 220 , 230 all extend in a same direction away from the wall 202 , specifically in the radial direction outward, away from the wall 202 . While the flanges 212 , 214 , 220 , 230 are welded to the wall 202 , it is contemplated that the flanges 212 , 214 , 220 , 230 could be connected to the wall 202 in any one of many different manners depending on the application. Methods of connecting one or more of the flanges 212 , 214 , 220 , 230 to the wall 202 could include, but are not limited to: fastening, gluing, epoxying, and soldering.
- the flanges 220 , 230 are offset from their respective edges 206 , 210 by an equal distance.
- the flange 220 could be disposed nearer to or farther from the edge 206 than the flange 230 is disposed to the edge 210 .
- one of the flanges 220 , 230 could be integrally formed with the wall 202 , as will be described below with regards to FIG. 15 .
- the panel 200 includes a rigid spacing member 250 connected to an outward end of the right flange 220 .
- the rigid spacing member 250 is spaced from the apertures 222 , and as such is spaced from fasteners received therethrough when the flange 220 is connected to another panel 200 (described below).
- the rigid spacer 250 could be connected to the left flange 230 .
- the rigid spacer 250 could be integral to one of the flanges 220 , 230 .
- the rigid spacing member 250 could be provided separately from the panel 200 , such that the rigid spacing member 250 is disposed between adjacent panels 200 only upon assembly of the cylindrical wall assembly 110 or the tank 100 .
- the rigid spacing member 250 is a carbon steel shim 250 welded to a right side of the right flange 220 by a weld 251 . It is contemplated that the rigid spacing member 250 could take various forms depending on specifics of a given embodiment, including but not limited to: stainless steel, aluminum, hardened plastic, and various other metals.
- the rigid spacing member 250 extends vertically along an entire height of the flange 220 . In some embodiments, however, the rigid spacing member 250 could extend only along portions of the flange 220 .
- the rigid spacing member 250 could be a series of rigid spacing members 250 disposed along the height of the flange 220 . It is also contemplated that some of the panels 200 may include one rigid spacing member 250 connected to each of the flanges 220 , 230 . In such an embodiment, neighboring panels 200 may omit the rigid spacing member 250 completely, assuming that the assembly 110 of such an embodiment contains an even number of panels 200 . In other such embodiments, all the panels 200 may include the two rigid spacing members 250 , where the walls 202 and the flanges 220 , 230 of each panel 200 are adapted such that the rigid spacing member 250 of one panel 200 abuts the corresponding rigid spacing member 250 of the neighboring panel 200 .
- connection between two adjacent panels 200 will now be described with regard to FIGS. 4 and 5 , where the contact area between two adjacent panels 200 can be seen in more detail.
- the panel 200 disposed to the left of the contact area will be referred to as the left panel 200 a and the panel 200 disposed to the right of the contact area will be referred to as the right panel 200 b.
- reference numerals for elements of the panel 200 a will be provided with the suffix “a”
- reference numeral for elements of the panel 200 b will be provided with the suffix “b”.
- the edge 206 a and the edge 210 b come together and face each other.
- the edges 206 a, 210 b are directly abutting.
- the rigid spacing member 250 a contacts the flange 230 b, such that the rigid spacing member 250 a is disposed between and in contact with both flanges 220 a, 230 b.
- the walls 202 a, 202 b, the flanges 220 a, 230 b, and the rigid spacing member 250 a form a closed perimeter defining a space 258 .
- the flange 220 a is spaced from, and disposed opposite the flange 230 b.
- the flanges 220 a, 230 b are each offset from their respective edges 206 a, 210 b.
- the edges 206 a, 210 b are aligned and centered with the space between the 220 a, 230 b.
- flanges 220 a, 230 b are equidistant from their respective edges 206 a, 210 b, it is contemplated that the flanges 220 a, 230 b could each be nearer to or farther from their respective edges 206 a, 210 b so long as the flanges 220 a, 230 b remain spaced from each other.
- a plurality of fasteners 260 are inserted through the apertures 222 a in the flange 220 a and the apertures 232 b in the flange 230 b.
- the fasteners 260 extend through the flange 220 a, the space 258 , and the flange 230 b, connecting the flange 220 a to the flange 230 b.
- the fasteners 260 are bolts and nuts 260 extending horizontally through the apertures 222 a, 232 b to connect the flanges 220 a, 230 b.
- the bolts 260 when installed in the flanges 220 a, 230 b, are disposed radially between the walls 202 a, 202 b and the rigid spacing member 250 a.
- the bolts 260 when installed, are aligned with each other and are spaced vertically through the flanges 220 a, 230 b. It is contemplated that different kinds of fasteners could be used to connect the flanges 220 a, 230 b, including but not limited to: rivets and dowel pins.
- the bolts 260 are pre-tensioned. Specifically, the bolts 260 are tightened to a pre-determined torque, which forces the flanges 220 a, 230 b, and thus the connected walls 202 a, 202 b, toward each other. It is contemplated that in some cases the edges 206 a, 210 b may not necessarily form a dust- or liquid-proof seal, for example where the tank 100 is destined to store larger rocks, etc.
- Adjustable fastener properties could include, but are not limited to: number of fasteners 260 , material of the fasteners 260 and fastener size.
- Properties to be determined for the wall 202 and the flanges 220 , 230 could include, but are not limited to: thickness, width of each flange 220 , 230 , material of the wall 202 , and material of each flange 220 , 230 . Properties are selected such that the resulting assembly 299 produces an adequate contact between the walls 202 and/or the spacing member 250 and the flange 220 to withstand usage for the specific application considered.
- the fasteners 260 having been pre-tensioned, the resulting assembly will generally maintain contact without shifting or relative movement between panels 200 , whether the tank 100 is under pressure, has been filled, or is empty.
- pre-tensioning the fasteners 260 disposed radially between two contact areas (the edges 206 , 210 and the flange 220 and the spacing member 250 )
- the forces on the panels 200 are distributed toward the contact areas and thus over a larger area.
- the tension forces may tend to be concentrated near the fasteners 260 and thus the forces holding the panels 200 together are distributed over a smaller area. This can lead to a greater likelihood of relative movement or shifting between panels 200 when the tank 100 sees an increase in pressure (i.e. when the tank 100 is being filled).
- sealing the walls 202 by pre-tensioning the fasteners 260 may also produce a decrease in the field work necessary during assembly of the tank 100 .
- the rigid spacing member 250 a is not connected to one of the flanges 220 a, 230 b, the rigid spacing member 250 a is inserted between the flanges 220 a, 230 b before the bolts 260 are pre-tensioned.
- the rigid spacing member 250 a aids in keeping the edges 206 a, 210 b in contact.
- the rigid spacing member 250 a contacts the flanges 220 a, 230 b on exterior portions of the flanges 220 a, 230 b, on a side of the bolts 260 opposite the edges 206 a, 210 b.
- the exterior portions of the flanges 220 a, 230 b cannot move toward each other, thereby keeping inward and outward ends of the flanges 220 a, 230 b approximately equidistant. In this way, the edges 206 a, 210 b are similarly forced together and remain in contact.
- a 3 mm groove weld is performed along the edges 206 a, 210 b, specifically on an interior side of the walls 202 a, 202 b where the edges 206 a, 210 b form a beveled v-shaped groove. It is contemplated that different types of welds may be performed on the interior side of the walls 202 a, 202 b, but need not be the time-consuming welding method of the prior art. In some embodiments, the pre-tensioning of the bolts 260 is sufficient to cause a plasticisation of the two edges 206 a, 210 b to further aid in preventing materials from passing between the edges 206 a, 210 b. It is also contemplated that different preparations could be applied to the edges 206 a, 210 b before, during, or after assembly, including for example, epoxies or sealants.
- a sealant material could be applied between the edges 206 a, 210 b : either to one of the edges 206 a, 210 b or both of the edges 206 a, 210 b.
- a bonding material such as a glue or epoxy, could be applied between the edges 206 a, 210 b : either to one of the edges 206 a, 210 b or both of the edges 206 a, 210 b.
- a sealant or polymer could be applied to any of the interior side of the edges 206 a, 210 b, an interior side of the panels 200 or the tank 100 , or in the vicinity of the edges 206 a, 210 b.
- the assembly made up of the walls 202 a, 202 b, the flanges 220 a, 230 b, the rigid spacing member 250 , and the fasteners 260 is also referred to herein as a parts assembly 299 . While the connection of the panels 200 a, 200 b is described herein relative to their use in constructing the tank 100 , it should be noted that the parts assembly 299 could apply to creating secure connections between different types of walls. For example, the parts assembly 299 , as well as the different embodiments of parts assemblies described herein below, could be utilized to secure the walls of many different apparatuses.
- flange assembly 299 could be generally annular, wrapping around the circumference of the pipe rather than extending along its length.
- FIGS. 6 and 7 another non-limiting embodiment of a parts assembly 399 of adjacent end portions of a left panel 300 a and a right panel 300 b, according to the present technology is illustrated. Elements of the assembly 399 and the panels 300 that are similar to those of the assembly 299 and the panels 200 retain the same reference numeral.
- the parts assembly 399 includes a flange 320 a extending outward from the wall 202 a of the left panel 300 a and a flange 330 b extending outward from the wall 202 b of the right panel 300 b.
- the flange 320 a defines a plurality of staggered apertures 322 a and 324 a.
- the apertures 322 a and 324 a extend vertically along the flange 320 a, with all of the apertures 322 a being radially aligned with one another and all of the apertures 324 a being radially aligned with one another.
- the apertures 322 a are horizontally closer to the wall 202 a than the apertures 324 a.
- the flange 330 b defines a plurality of corresponding staggered apertures 332 b and 334 b, with all of the apertures 332 a being radially aligned with one another and all of the apertures 334 a being radially aligned with one another.
- the apertures 332 a are horizontally closer to the wall 202 a than the apertures 334 a.
- FIG. 8 another non-limiting embodiment of a parts assembly 499 of adjacent end portions of two panels 400 according to the present technology are illustrated. Elements of the assembly 499 and the panels 400 that are similar to those of the assembly 299 and the panels 200 retain the same reference numeral.
- the parts assembly 499 includes a sealing member 480 for aiding in creating a seal between the edges 206 a, 210 b of the walls 202 a, 202 b. Rather than abutting directly, the edges 206 a and 210 b each abut and compress the sealing member 480 .
- the bolts 260 are pre-tensioned as described above, and the sealing member 480 simply aids in further sealing the edges 206 a, 210 b.
- the sealing member 480 is a rubber gasket 480 , but it is contemplated that the sealing member 480 could take various forms, including but not limited to: a plastic gasket, polyurethane member, epoxy, and any of various elastomer members. While illustrated as extending only slightly past the walls 202 a, 220 b, it is contemplated that the sealing member 480 could extend farther into the space between the flanges 220 a, 230 b. It is contemplated that the sealing member 480 may be received in a recess defined on an interior side of the wall 202 or the flanges 220 a, 230 b.
- the parts assembly 499 also includes a rigid spacing member 450 a connected to the flange 220 a. It is contemplated that the rigid spacing member 450 a could be connected to the flange 230 b, or could simply be disposed between the flanges 220 a, 230 b. Similarly to the member 250 , the rigid spacing member 450 a is a metal shim 450 a welded to the flange 220 a.
- the shim 450 is welded to a more central portion of the flange 220 a and is not welded to the exterior edge of the flange 220 a, although still disposed between the bolts 260 and the exterior edge of the flanges 220 a, 230 b.
- FIGS. 9 and 10 another non-limiting embodiment of a parts assembly 599 of adjacent end portions of two panels 500 according to the present technology are illustrated. Elements of the assembly 599 and the panels 500 that are similar to those of the assembly 299 and the panels 200 retain the same reference numeral.
- the parts assembly 599 includes a plurality of radially extending rigid spacing members 550 connected to the flange 220 a.
- the rigid spacing members 550 are metal shim spacers 550 in the present embodiment, but this is just one non-limiting example as before.
- the spacers 550 extend radially outward of the bolts 260 . It is contemplated that the spacers 550 could be longer or shorter than the illustrated embodiment, depending on the specific application.
- the shims 550 are welded to the right flange 220 a, but it is contemplated that the shims 550 could be welded or otherwise connected to the flange 230 b in some embodiments.
- the shims 550 could be connected to the flange 220 a, while the remaining shims 550 could be connected to the flange 230 b. It is also contemplated that the shims 550 could be inserted between the flanges 220 a, 230 b during assembly of the parts assembly 599 . In some embodiments, it is contemplated that the shims 550 could be included with the parts assembly 299 , where the shims 550 could be inserted between 2 or more bolts 260 , in addition to the rigid spacing member 250 .
- FIG. 11 another non-limiting embodiment of a parts assembly 699 of adjacent end portions of two panels 600 according to the present technology are illustrated. Elements of the assembly 699 and the panels 600 that are similar to those of the assembly 299 and the panels 200 retain the same reference numeral.
- the parts assembly 699 includes a rigid spacing member 650 a connected to the flange 220 a and a rigid spacing member 650 b connected to the flange 230 b.
- the rigid spacing members 650 a, b are metal shim spacers 650 a, b in the present embodiment, but this is just one non-limiting example as before.
- the rigid spacing member 650 a abuts the rigid spacing member 650 b when the panels 600 a, b are connected together as describe above for the panels 200 .
- FIG. 12 Another non-limiting embodiment of a tank 700 according to the present technology is illustrated in FIG. 12 . Elements of the tank 700 and the panels 750 that are similar to those of the tank 100 and the panels 200 retain the same reference numeral
- the tank 700 is made from six vertically extending panels 750 . In contrast to the panels 200 , the panels 750 extend vertically to the full height of the tank 700 . As such, the tank 700 is not composed of the multiple cylindrical wall assemblies 110 of the tank 100 , but is rather directly formed by the panels 750 . Depending on the specific embodiment, it is contemplated that the tank 700 could be made from more or fewer panels 750 .
- FIGS. 13 and 14 another non-limiting embodiment of a parts assembly 899 of adjacent end portions of a left panel 800 a and a right panel 800 b, according to the present technology is illustrated. Elements of the assembly 899 and the panels 800 that are similar to those of the assembly 299 and the panels 200 retain the same reference numeral.
- the parts assembly 899 includes a flange 820 a extending outward from the wall 202 a of the left panel 800 a and a flange 830 b extending outward from the wall 202 b of the right panel 800 b.
- the flange 820 a defines a plurality of horizontally aligned apertures 822 a and 824 a.
- the apertures 822 a and 824 a extend vertically along the flange 820 a, with all of the apertures 822 a being radially aligned with one another and all of the apertures 824 a being radially aligned with one another and each aperture 822 a having a corresponding aperture 824 a vertically aligned with it.
- the apertures 822 a are horizontally closer to the wall 202 a than the apertures 824 a.
- the flange 830 b defines a plurality of corresponding horizontally aligned apertures 832 b and 834 b, with all of the apertures 832 a being radially aligned with one another and all of the apertures 834 a being radially aligned with one another and each aperture 832 a having a corresponding aperture 834 a vertically aligned with it.
- the apertures 832 a are horizontally closer to the wall 202 a than the apertures 834 a.
- FIG. 15 another non-limiting embodiment of a parts assembly 999 of adjacent end portions of two panels 900 according to the present technology are illustrated. Elements of the assembly 999 and the panels 900 that are similar to those of the assembly 299 and the panels 200 retain the same reference numeral.
- the right side end portion 204 a of a panel 900 a has a right flange 920 integrally formed with the wall 202 a.
- the flange 920 a is aligned with the edge 206 a and extends along the vertical length of the wall 202 a.
- the flange 920 defines the plurality of apertures 222 a for receiving fasteners therethrough, as was described in relation to the flange 220 above.
- the panel 900 b further includes the left flange 230 b, as is shown in FIG. 15 and which was described in more detail above.
- FIG. 16 yet another non-limiting embodiment of a parts assembly 1099 of adjacent end portions of two panels 1000 (a panel 1000 a and a panel 1000 b ) according to the present technology are illustrated. Elements of the assembly 1099 and the panels 1000 that are similar to those of the assembly 299 and the panels 200 retain the same reference numeral.
- the side end portion 204 a of the panel 1000 a has a flange 1020 a connected to and abutting the edge 206 a of the wall 202 a.
- the flange 1020 a is welded directly to the edge 206 a by an inner weld 1005 a.
- the edge 210 b abuts the flange 1020 a when panels 1000 a and 1000 b are connected, rather than abutting the edge 206 a.
- the side end portion 208 b of a panel 1000 b has a flange 1030 connected to the wall 202 b by inner and outer welds 1009 b, offset from the edge 210 b.
- the flange 1030 has a rectangular cross section, such that both welds 1009 b are disposed toward an exterior of the panel 1000 b.
- the rigid spacing member 250 is welded to the flange 1030 in the illustrated embodiment.
- FIG. 17 A modified version of the panel assembly 1099 , identified as panel assembly 1099 ′, is illustrated in FIG. 17 .
- a panel 1000 b ′ includes a flange 1030 b ′.
- the flange 1030 b ′ is welded to the wall 202 b by the outer weld 1009 b, as before, as well as an inner weld 1009 b ′ which is disposed in an undercut in the flange 1030 b′.
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Abstract
Description
- The present application is a divisional application of U.S. patent application Ser. No. 16/957,945, entitled “Parts Assembly, Panel, and Tank”, filed Jun. 25, 2020, which is a National Phase Entry of International Patent Application No. PCT/CA2019/1050341, filed Mar. 20, 2019, which claims priority to U.S. Provisional Application No. 62/646,666, entitled “Parts Assembly, Panel, and Tank”, filed Mar. 22, 2018, the entirety of each of which is incorporated herein by reference.
- The present technology relates to the field of assemblies for joining walls, and more specifically to parts assemblies, panels, and tanks.
- Large storage structures, such as field-erected tanks, leaching tanks, or cisterns, are often constructed from many metal panels bolted and/or welded together, directly at the structure's desired location. Overall costs of such field-erected structures include not only material costs, but also the time necessary to assemble the structure.
- In order to prevent leakage of materials, especially liquids, through the panels assembled together, the edges of the panels are welded together. Large welds passing through the thickness of the wall are necessary to hold and seal the panels together, using, for example, forge welding or butt welding. While generally effective for providing structural strength for the assembly and for sealing the joint between the walls, these types of welding are highly time consuming and specialized work. Each additional joint to weld is therefore a significant increase of costs for the overall structure. Further, time on-site spent welding panels together cannot generally be reduced by pre-welding panels together, as such structures generally must be assembled and welded on-site due to their large size.
- Some such structures use flanges that abut each other to bolt together adjacent panels, those flanges being thick enough to support highly tightened bolts. Thick flanges increase material costs, and the joints will generally still require extensive welding.
- There is therefore a desire for structures that can be assembled and sealed in a time and cost efficient manner.
- It is an object of the present technology to ameliorate at least some of the inconveniences present in the prior art.
- According to a first broad aspect of the present technology, there is provided a parts assembly including a first wall; a second wall, a first edge of the first wall facing a second edge of the second wall; a first flange connected to and extending outward from the first wall; a second flange connected to and extending outward from the second wall, the second flange being spaced from and disposed opposite the first flange; at least one fastener extending through and connecting the first flange and the second flange, the at least one fastener being pre-tensioned; and at least one rigid spacing member disposed between the first flange and the second flange, the at least one rigid spacing member being spaced from the at least one fastener, the at least one rigid spacing member being in contact with the first and second flanges, the at least one fastener being disposed between the at least one rigid spacing member and the first and second walls.
- In some embodiments of the present technology, the first edge of the first wall abuts the second edge of the second wall.
- In some embodiments of the present technology, the first flange is offset from the first edge; the second flange is offset from the second edge; and the first edge and the second edge are aligned with a space between the first flange and the second flange.
- In some embodiments of the present technology, the first flange and the second flange are disposed equidistant from a corresponding one of the first edge and the second edge.
- In some embodiments of the present technology, the at least one rigid spacing member is a rigid shim connected to one of the first flange and the second flange.
- In some embodiments of the present technology, the rigid shim is welded to the first flange.
- In some embodiments of the present technology, the at least one rigid spacing member is disposed between a first outward end of the first flange and a second outward end of the second flange, the first outward end and the second outward end being ends of the first and second flanges opposite the first wall and the second wall.
- In some embodiments of the present technology, the at least one rigid spacing member is a single rigid spacing member extending along an entire height of the first flange and the second flange.
- In some embodiments of the present technology, the first flange is welded to the first wall; and the second flange is welded to the second wall.
- In some embodiments of the present technology, the parts assembly further includes at least one sealing member disposed between the first edge of the first wall and the second edge of the second wall, the first edge and the second edge abutting the at least one sealing member.
- According to another broad aspect of the present technology, there is provided a parts assembly including a first wall; a second wall; a first flange connected to and extending outward from the first wall; a second flange connected to and extending outward from the second wall, the second flange being spaced from and disposed opposite the first flange; at least one rigid spacing member disposed between the first flange and the second flange, the at least one rigid spacing member being in contact with the first and second flanges, the first wall, the second wall, the first flange, the second flange, and the at least one rigid spacing member forming a closed perimeter defining a space; and at least one fastener extending through the first flange, the space, and the second flange and connecting the first flange to the second flange, the at least one fastener being pre-tensioned, the at least one fastener being spaced from the at least one rigid spacing member.
- According to another broad aspect of the present technology, there is provided a parts assembly including a first wall; a second wall, a first edge of the first wall facing a second edge of the second wall; a first flange connected to and extending outward from the first wall; a second flange connected to and extending outward from the second wall, the second flange being spaced from and disposed opposite the first flange; at least one fastener extending through and connecting the first flange and the second flange, the at least one fastener being pre-tensioned; and at least one rigid spacing member disposed between the first flange and the second flange, the at least one rigid spacing member being spaced from the at least one fastener, the at least one rigid spacing member being in contact with the first and second flanges, the at least one rigid spacing member being disposed at at least one of: above the at least one fastener, and below the at least one fastener.
- According to yet another broad aspect of the present technology, there is provided a tank including a first curved wall including a first edge extending vertically along the first curved wall; a second curved wall including a second edge extending vertically along the second curved wall, the first edge facing the second edge; a first flange connected to and extending vertically and radially outward from the first curved wall; a second flange connected to and extending vertically and radially outward from the second curved wall, the second flange being spaced from the first flange; at least one fastener extending horizontally through and connecting the first flange and the second flange, the at least one fastener being pre-tensioned; and at least one rigid spacing member disposed between the first flange and the second flange, the at least one rigid spacing member being spaced radially outward from the at least one fastener, the at least one rigid spacing member being in contact with the first and second flanges, the at least one fastener being disposed radially between the at least one rigid spacing member and the first and second walls.
- In some embodiments of the present technology, the first edge abuts the second edge.
- In some embodiments of the present technology, the first flange is offset from the first edge; the second flange is offset from the second edge; and the first edge and the second edge are aligned with a space between the first flange and the second flange.
- In some embodiments of the present technology, the first flange and the second flange are disposed equidistant from a corresponding one of the first edge and the second edge.
- In some embodiments of the present technology, the at least one rigid spacing member is a rigid shim connected to one of the first flange and the second flange.
- In some embodiments of the present technology, the rigid shim is welded to the first flange.
- In some embodiments of the present technology, the at least one rigid spacing member is disposed between a first outward end of the first flange and a second outward end of the second flange, the first outward end and the second outward end being ends of the first and second flanges radially outward of the first wall and the second wall.
- In some embodiments of the present technology, the at least one rigid spacing member is a single rigid spacing member extending along an entire vertical height of the first flange and the second flange.
- In some embodiments of the present technology, the first flange is welded to the first wall; and the second flange is welded to the second wall.
- In some embodiments of the present technology, at least the first curved wall and the second curved wall form a first cylindrical wall assembly.
- In some embodiments of the present technology, the first cylindrical wall assembly includes a first horizontal flange extending outward from a top edge of the first curved wall and a second horizontal flange extending outward from a top edge of the second curved wall, the first horizontal flange and the second horizontal flange defining a first circumferential flange of the first cylindrical wall assembly; and further including a second cylindrical wall assembly, the second cylindrical wall assembly including a second circumferential flange extending outward from a bottom edge of the second cylindrical wall, the second cylindrical wall assembly being disposed on top of the first cylindrical wall assembly, the first circumferential flange abutting and being fastened to the second circumferential flange.
- In some embodiments of the present technology, the at least one fastener is a plurality of fasteners spaced vertically through the first flange and the second flange.
- In some embodiments of the present technology, the tank further includes at least one sealing member disposed between the first edge and the second edge, the first edge and the second edge abutting the at least one sealing member.
- According to yet another broad aspect of the present technology, there is provided a panel including a wall; a first flange having a first end connected to a first end portion of the wall, the first flange being offset from a first side edge of the first end portion, the first flange defining a first plurality of apertures for receiving fasteners therethrough; at least one rigid spacing member connected to a second end of the first flange, the second end of the first flange being opposite the first end of the first flange; a second flange having a first end connected to a second end portion of the wall, the second end portion being disposed opposite the first end portion, the second flange being offset from a second side edge of the second end portion, the second flange defining a second plurality of apertures for receiving the fasteners therethrough, the first plurality of apertures being defined between the first end portion of the wall and the at least one rigid spacing member; and at least one third flange connected to at least one of a top edge and a bottom edge of the wall, the first flange, the second flange, and the third flange extending in a same direction away from the wall.
- In some embodiments of the present technology, the at least one third flange includes: a top flange connected to the top edge of the wall; and a bottom flange connected to the bottom edge of the wall.
- In some embodiments of the present technology, the at least one rigid spacing member is a single rigid spacing member extending along an entire vertical height of the first flange.
- In some embodiments of the present technology, the first flange is welded to the first end portion of the wall; the second flange is welded to the second end portion of the wall; and the at least one rigid spacing member is welded to the first flange.
- For purposes of this application, terms related to spatial orientation are defined with respect to the standard operational orientation of the tank. Specifically, vertical is meant to represent a direction generally orthogonal to the ground upon which the tank rests when oriented in its standard operational orientation.
- For purposes of this application, the term “tank” refers to any number of structures which includes, but is not limited to: a field-erected tank, a leaching tank, a cistern, a reservoir, a silo, a bin, a standpipe, a pumpbox, and a receptacle.
- Embodiments of the present technology each have at least one of the above-mentioned object and/or aspects, but do not necessarily have all of them. It should be understood that some aspects of the present technology that have resulted from attempting to attain the above-mentioned object may not satisfy this object and/or may satisfy other objects not specifically recited herein.
- Additional and/or alternative features, aspects and advantages of embodiments of the present technology will become apparent from the following description, the accompanying drawings and the appended claims.
- For a better understanding of the present technology, as well as other aspects and further features thereof, reference is made to the following description which is to be used in conjunction with the accompanying drawings, where:
-
FIG. 1 is a top, front side perspective view of a tank; -
FIG. 2 is a top, front side perspective of a panel of the tank ofFIG. 1 , shown in isolation; -
FIG. 3 is a partial, cross-sectional view of the panel ofFIG. 2 , taken along line 3-3 ofFIG. 2 ; -
FIG. 4 is a close-up, partial view of the tank ofFIG. 1 ; -
FIG. 5 is a cross-sectional view of a flange assembly of the tank ofFIG. 1 , taken along line 5-5 ofFIG. 1 ; -
FIG. 6 is a close-up partial view of another non-limiting embodiment of a flange assembly according to the present technology; -
FIG. 7 is a cross-sectional view of the flange assembly ofFIG. 6 , taken along line 7-7 ofFIG. 6 ; -
FIG. 8 is a cross-sectional view of another non-limiting embodiment of a flange assembly according to the present technology; -
FIG. 9 is a close-up partial view of another non-limiting embodiment of a flange assembly according to the present technology; -
FIG. 10 is a cross-sectional view of the flange assembly ofFIG. 9 , taken along line 10-10 ofFIG. 9 ; -
FIG. 11 is a cross-sectional view of another non-limiting embodiment of a flange assembly according to the present technology; -
FIG. 12 is a top, front side perspective view of another non-limiting embodiment of a tank according to the present technology; -
FIG. 13 is a close-up partial view of another non-limiting embodiment of a flange assembly according to the present technology; -
FIG. 14 is a cross-sectional view of the flange assembly ofFIG. 13 , taken along line 14-14 ofFIG. 13 ; -
FIG. 15 is a cross-sectional view of another non-limiting embodiment of a flange assembly according to the present technology; -
FIG. 16 is a cross-sectional view of yet another non-limiting embodiment of a flange assembly according to the present technology, with panels being spaced apart and fasteners having been removed; and -
FIG. 17 is a cross-sectional view of yet another non-limiting embodiment of a flange assembly according to the present technology, with panels being spaced apart and fasteners having been removed. - It should be noted that the Figures may not be drawn to scale.
- The present detailed description is intended to be only a description of illustrative examples of the present technology. The following description relates to ways of manufacturing and designing a tank, a panel for a tank, and a parts assembly for joining two walls. Other ways of manufacturing and designing the tank, the panel, and the assembly are contemplated and this technology would encompass these other known ways and designs.
- A
tank 100 according to an embodiment of the present technology is illustrated inFIG. 1 . The illustratedtank 100 is a field-erected process tank, but it contemplated that the present technology could apply to different types oftanks 100. It is further contemplated that the present technology is not generally restricted to tanks, but could be implemented in the construction of storage tanks, leaching tanks, reservoirs, silos, bins, standpipes, receptacles, pump boxes, and cisterns, whether composed of cylindrical or polygonal-shaped walls. - The
tank 100 is built from threecylindrical wall assemblies 110, each one being built frommultiple panels 200. The bottommostcylindrical wall assembly 110 includes adoor panel 130, which allows access to an interior of thetank 100 during assembly or maintenance. Thedoor panel 130 is connected to thepanels 200 of the bottommostcylindrical wall assembly 110 in the same manner as thepanels 200 are connected together. Thepanels 200 will be described in more detail below. - The
wall assemblies 110 are vertically stacked and fastened together, as will be described below. Aroof 120 is also fastened to a topmostcylindrical wall assembly 110. A floor (not shown) is further fastened to a bottom-mostcylindrical wall assembly 110. In some embodiments, thetank 100 could be built from more or fewercylindrical wall assemblies 110. Some embodiments of thetank 100 may not include theroof 120 and/or the floor. In some embodiments without theroof 120, thetank 100 could include a bridge connected to and extending over a top side of thetank 100. - The upper two
cylindrical wall assemblies 110 are built from threepanels 200 fastened together, while the bottom mostcylindrical wall assembly 110 is formed from fourpanels 200. Depending on the specific embodiment, thecylindrical wall assemblies 110 could be formed from more orfewer panels 200. Connecting thepanels 200 together to form thewall assembly 110 will be described in more detail below. Some of thepanels 200 havepipes 107 orother fixtures 109 extending therethrough. - Each
cylindrical wall assembly 110 includes a topcircumferential flange 112 and a bottomcircumferential flange 114. Both thetop flange 112 and thebottom flange 114 define a plurality of through-holes. During assembly of thetank 100, onecylindrical wall portion 110 is stacked on top of anothercylindrical wall portion 110. Fasteners are then inserted and fastened through the apertures of the bottomcircumferential flange 114 of thewall assembly 110 on top and the apertures of the topcircumferential flange 112 of thewall assembly 110 disposed below. It is contemplated that thebottom flange 114 of the bottommostcylindrical wall assembly 110 could be omitted in some embodiments. Similarly, it is contemplated that thetop flange 112 of the topmostcylindrical wall assembly 110 could be omitted in some embodiments. - With reference to
FIGS. 2 and 3 , one of thepanels 200 is shown in isolation and will now be described in more detail. While onepanel 200 of thetank 100 will be described, it should be noted that the remainingpanels 200 are substantially similar to thepanel 200 illustrated inFIG. 2 . Thepanels 200 are described with respect to their orientation when assembled together to form thetank 100, but it is contemplated that thepanels 200 could be reoriented in different embodiments. - The
panel 200 includes acurved wall 202. In the cross-section ofFIG. 3 , it appears that thewall 202 is fairly flat or planar. It should be noted however that thewall 202 is quite large relative the end portions of thepanel 200 illustrated inFIG. 3 and the curvature is simply not apparent in this figure. A central portion of thewall 202 has been omitted for simplicity. - It is contemplated that the
panel 200 could be more or less curved, depending on the embodiment. Thepanel 200 is shaped to form a part of the circumference of thefinal tank 100, and the curve and length of thewall 202 will depend on variables such as the desired circumference and radius of curvature of thetank 100, as well as the number ofpanels 200 to be connected to form a givencylindrical wall assembly 110. In such applications, it is contemplated that thewall 202 could be planar or nearly planar, for example when implementing thepanels 200 for construction of a slurry pumpbox. - In the illustrated embodiment of the field-erected
leaching tank 100, thepanels 200 are formed from carbon steel. The materials used to form thepanels 200, or even the components (described below) of the panels could vary depending on the specific application. Thepanels 200, or the panel components, could be made from materials including, but not limited to: industrial grade plastic, hardened steel, aluminum, and stainless steel. Some of thepanels 200 also include two reinforcingribs 216, but it is contemplated that thepanels 200 could include more orfewer ribs 216. Thepanels 200 of the bottommostcylindrical wall assembly 110, for instance, do not include reinforcingribs 216. - The
panel 200 includes a tophorizontal flange 212 extending radially outward along and welded to a top edge of thewall 202. Thepanel 200 also includes a bottomhorizontal flange 214 extending radially outward along and welded to a bottom edge of thewall 202. When the three (or four)panels 200 are connected to form one of thecylindrical wall assemblies 110, the three tophorizontal flanges 212 form the topcircumferential flange 112 and the three bottomhorizontal flanges 214 form the bottomcircumferential flange 114. Both the tophorizontal flange 212 and the bottomhorizontal flange 214 define a plurality of through-holes for receiving the fasteners for fastening onecylindrical wall assembly 110 to another, as described above. - The
wall 202 has a rightside end portion 204, as viewed from an exterior side of thetank 100, with avertical edge 206. At an opposite end of thewall 202, thepanel 200 also has a leftside end portion 208 with avertical edge 210. Eachedge panels 200 abut, as will be described in more detail below. - It is contemplated that the
edges panels 200 abut. It is also contemplated that theedges panels 200 abut. - The
panel 200 includes aright flange 220 welded to an exterior side of theright side portion 204 by inner andouter welds 205. Theflange 220 is offset from theedge 206 and extends along the vertical length of thewall 202. Theflange 220 defines a plurality ofapertures 222 for receiving fasteners therethrough, as will be described in more detail below. - The
panel 200 further includes aleft flange 230 welded to theleft side portion 208 by inner andouter welds 209. Theflange 230 is offset from theedge 210 and extends along the vertical length of thewall 202. Theflange 230 defines a plurality ofapertures 232 for receiving fasteners therethrough, as will be described in more detail below. - In the present embodiment, the
flanges wall 202, specifically in the radial direction outward, away from thewall 202. While theflanges wall 202, it is contemplated that theflanges wall 202 in any one of many different manners depending on the application. Methods of connecting one or more of theflanges wall 202 could include, but are not limited to: fastening, gluing, epoxying, and soldering. - In the illustrated embodiment, the
flanges respective edges flange 220 could be disposed nearer to or farther from theedge 206 than theflange 230 is disposed to theedge 210. In some embodiments, one of theflanges wall 202, as will be described below with regards toFIG. 15 . - The
panel 200 includes arigid spacing member 250 connected to an outward end of theright flange 220. Therigid spacing member 250 is spaced from theapertures 222, and as such is spaced from fasteners received therethrough when theflange 220 is connected to another panel 200 (described below). In some embodiments, it is contemplated that therigid spacer 250 could be connected to theleft flange 230. It is also contemplated that therigid spacer 250 could be integral to one of theflanges rigid spacing member 250 could be provided separately from thepanel 200, such that therigid spacing member 250 is disposed betweenadjacent panels 200 only upon assembly of thecylindrical wall assembly 110 or thetank 100. - In the illustrated embodiment, the
rigid spacing member 250 is acarbon steel shim 250 welded to a right side of theright flange 220 by aweld 251. It is contemplated that therigid spacing member 250 could take various forms depending on specifics of a given embodiment, including but not limited to: stainless steel, aluminum, hardened plastic, and various other metals. Therigid spacing member 250 extends vertically along an entire height of theflange 220. In some embodiments, however, therigid spacing member 250 could extend only along portions of theflange 220. - It is contemplated that the
rigid spacing member 250 could be a series ofrigid spacing members 250 disposed along the height of theflange 220. It is also contemplated that some of thepanels 200 may include onerigid spacing member 250 connected to each of theflanges panels 200 may omit therigid spacing member 250 completely, assuming that theassembly 110 of such an embodiment contains an even number ofpanels 200. In other such embodiments, all thepanels 200 may include the tworigid spacing members 250, where thewalls 202 and theflanges panel 200 are adapted such that therigid spacing member 250 of onepanel 200 abuts the correspondingrigid spacing member 250 of the neighboringpanel 200. - Having described the various components of one
panel 200, connection between twoadjacent panels 200 will now be described with regard toFIGS. 4 and 5 , where the contact area between twoadjacent panels 200 can be seen in more detail. In order to distinguish between the twopanels 200, thepanel 200 disposed to the left of the contact area will be referred to as theleft panel 200 a and thepanel 200 disposed to the right of the contact area will be referred to as theright panel 200 b. Also, reference numerals for elements of thepanel 200 a will be provided with the suffix “a” and reference numeral for elements of thepanel 200 b will be provided with the suffix “b”. - When the
panels edge 206 a and theedge 210 b come together and face each other. In the present embodiment, theedges edges rigid spacing member 250 a contacts theflange 230 b, such that therigid spacing member 250 a is disposed between and in contact with bothflanges FIG. 5 , thewalls flanges rigid spacing member 250 a form a closed perimeter defining aspace 258. - As can also be seen in
FIG. 5 , theflange 220 a is spaced from, and disposed opposite theflange 230 b. As is mentioned above, theflanges respective edges edges flanges respective edges flanges respective edges flanges - To connect the
panels fasteners 260 are inserted through theapertures 222 a in theflange 220 a and the apertures 232 b in theflange 230 b. Thefasteners 260 extend through theflange 220 a, thespace 258, and theflange 230 b, connecting theflange 220 a to theflange 230 b. In the present embodiment, thefasteners 260 are bolts andnuts 260 extending horizontally through theapertures 222 a, 232 b to connect theflanges bolts 260, when installed in theflanges walls rigid spacing member 250 a. Thebolts 260, when installed, are aligned with each other and are spaced vertically through theflanges flanges - To aid in forming a dust- or liquid-proof seal between the
panels 200, such that the material stored in thetank 100 generally cannot leak out between theedges bolts 260 are pre-tensioned. Specifically, thebolts 260 are tightened to a pre-determined torque, which forces theflanges connected walls edges tank 100 is destined to store larger rocks, etc. - In the present technology, the necessary pre-tensioning is based on determination of adequate fasteners properties as well as flange and walls properties. Adjustable fastener properties could include, but are not limited to: number of
fasteners 260, material of thefasteners 260 and fastener size. Properties to be determined for thewall 202 and theflanges flange wall 202, and material of eachflange assembly 299 produces an adequate contact between thewalls 202 and/or the spacingmember 250 and theflange 220 to withstand usage for the specific application considered. - With an adequate design determined, the
fasteners 260 having been pre-tensioned, the resulting assembly will generally maintain contact without shifting or relative movement betweenpanels 200, whether thetank 100 is under pressure, has been filled, or is empty. By pre-tensioning thefasteners 260, disposed radially between two contact areas (theedges flange 220 and the spacing member 250), the forces on thepanels 200 are distributed toward the contact areas and thus over a larger area. In some prior systems, the tension forces may tend to be concentrated near thefasteners 260 and thus the forces holding thepanels 200 together are distributed over a smaller area. This can lead to a greater likelihood of relative movement or shifting betweenpanels 200 when thetank 100 sees an increase in pressure (i.e. when thetank 100 is being filled). In some embodiments, sealing thewalls 202 by pre-tensioning thefasteners 260 may also produce a decrease in the field work necessary during assembly of thetank 100. - In embodiments where the
rigid spacing member 250 a is not connected to one of theflanges rigid spacing member 250 a is inserted between theflanges bolts 260 are pre-tensioned. - While tightening the
bolts 260 through such spacedflanges edges rigid spacing member 250 a aids in keeping theedges rigid spacing member 250 a contacts theflanges flanges bolts 260 opposite theedges flanges flanges edges - To further secure the connection between the
panels edges walls edges walls bolts 260 is sufficient to cause a plasticisation of the twoedges edges edges - In some embodiments, other sealing methods could be included, either in place or in addition to the weld described above. For example, a sealant material could be applied between the
edges edges edges edges edges edges edges panels 200 or thetank 100, or in the vicinity of theedges - The assembly made up of the
walls flanges rigid spacing member 250, and thefasteners 260 is also referred to herein as aparts assembly 299. While the connection of thepanels tank 100, it should be noted that theparts assembly 299 could apply to creating secure connections between different types of walls. For example, theparts assembly 299, as well as the different embodiments of parts assemblies described herein below, could be utilized to secure the walls of many different apparatuses. These could include, but are not limited to, reservoirs, silos, bins, standpipes, receptacles, cisterns, pumpboxes, pipes and plumbing installations, and plateworks. In embodiments such as pipes and plumbing installations, theflange assembly 299 could be generally annular, wrapping around the circumference of the pipe rather than extending along its length. - With reference to
FIGS. 6 and 7 , another non-limiting embodiment of aparts assembly 399 of adjacent end portions of aleft panel 300 a and aright panel 300 b, according to the present technology is illustrated. Elements of theassembly 399 and the panels 300 that are similar to those of theassembly 299 and thepanels 200 retain the same reference numeral. - The
parts assembly 399 includes aflange 320 a extending outward from thewall 202 a of theleft panel 300 a and aflange 330 b extending outward from thewall 202 b of theright panel 300 b. - The
flange 320 a defines a plurality ofstaggered apertures apertures flange 320 a, with all of theapertures 322 a being radially aligned with one another and all of theapertures 324 a being radially aligned with one another. Theapertures 322 a are horizontally closer to thewall 202 a than theapertures 324 a. Similarly, theflange 330 b defines a plurality of correspondingstaggered apertures wall 202 a than the apertures 334 a. - With reference to
FIG. 8 , another non-limiting embodiment of a parts assembly 499 of adjacent end portions of two panels 400 according to the present technology are illustrated. Elements of the assembly 499 and the panels 400 that are similar to those of theassembly 299 and thepanels 200 retain the same reference numeral. - The parts assembly 499 includes a sealing
member 480 for aiding in creating a seal between theedges walls edges member 480. Thebolts 260 are pre-tensioned as described above, and the sealingmember 480 simply aids in further sealing theedges - In the present embodiment, the sealing
member 480 is arubber gasket 480, but it is contemplated that the sealingmember 480 could take various forms, including but not limited to: a plastic gasket, polyurethane member, epoxy, and any of various elastomer members. While illustrated as extending only slightly past thewalls 202 a, 220 b, it is contemplated that the sealingmember 480 could extend farther into the space between theflanges member 480 may be received in a recess defined on an interior side of thewall 202 or theflanges - The parts assembly 499 also includes a
rigid spacing member 450 a connected to theflange 220 a. It is contemplated that therigid spacing member 450 a could be connected to theflange 230 b, or could simply be disposed between theflanges member 250, therigid spacing member 450 a is ametal shim 450 a welded to theflange 220 a. In the illustrated embodiment, however, the shim 450 is welded to a more central portion of theflange 220 a and is not welded to the exterior edge of theflange 220 a, although still disposed between thebolts 260 and the exterior edge of theflanges - With reference to
FIGS. 9 and 10 , another non-limiting embodiment of aparts assembly 599 of adjacent end portions of two panels 500 according to the present technology are illustrated. Elements of theassembly 599 and the panels 500 that are similar to those of theassembly 299 and thepanels 200 retain the same reference numeral. - The
parts assembly 599 includes a plurality of radially extendingrigid spacing members 550 connected to theflange 220 a. Therigid spacing members 550 aremetal shim spacers 550 in the present embodiment, but this is just one non-limiting example as before. There is onespacer 550 disposed below (or above) eachbolt 260. It is contemplated thatfewer spacers 550 may be utilized, for example, onespacer 550 being disposed in alternating spaces vertically between thebolts 260. Thespacers 550 extend radially outward of thebolts 260. It is contemplated that thespacers 550 could be longer or shorter than the illustrated embodiment, depending on the specific application. - The
shims 550 are welded to theright flange 220 a, but it is contemplated that theshims 550 could be welded or otherwise connected to theflange 230 b in some embodiments. - It is also contemplated that some of the
shims 550 could be connected to theflange 220 a, while the remainingshims 550 could be connected to theflange 230 b. It is also contemplated that theshims 550 could be inserted between theflanges parts assembly 599. In some embodiments, it is contemplated that theshims 550 could be included with theparts assembly 299, where theshims 550 could be inserted between 2 ormore bolts 260, in addition to therigid spacing member 250. - With reference to
FIG. 11 , another non-limiting embodiment of aparts assembly 699 of adjacent end portions of two panels 600 according to the present technology are illustrated. Elements of theassembly 699 and the panels 600 that are similar to those of theassembly 299 and thepanels 200 retain the same reference numeral. - The
parts assembly 699 includes a rigid spacing member 650 a connected to theflange 220 a and arigid spacing member 650 b connected to theflange 230 b. The rigid spacing members 650 a, b are metal shim spacers 650 a, b in the present embodiment, but this is just one non-limiting example as before. The rigid spacing member 650 a abuts therigid spacing member 650 b when thepanels 600 a, b are connected together as describe above for thepanels 200. - Another non-limiting embodiment of a
tank 700 according to the present technology is illustrated inFIG. 12 . Elements of thetank 700 and thepanels 750 that are similar to those of thetank 100 and thepanels 200 retain the same reference numeral - The
tank 700 is made from six vertically extendingpanels 750. In contrast to thepanels 200, thepanels 750 extend vertically to the full height of thetank 700. As such, thetank 700 is not composed of the multiplecylindrical wall assemblies 110 of thetank 100, but is rather directly formed by thepanels 750. Depending on the specific embodiment, it is contemplated that thetank 700 could be made from more orfewer panels 750. - With reference to
FIGS. 13 and 14 , another non-limiting embodiment of aparts assembly 899 of adjacent end portions of aleft panel 800 a and aright panel 800 b, according to the present technology is illustrated. Elements of theassembly 899 and the panels 800 that are similar to those of theassembly 299 and thepanels 200 retain the same reference numeral. - The
parts assembly 899 includes aflange 820 a extending outward from thewall 202 a of theleft panel 800 a and aflange 830 b extending outward from thewall 202 b of theright panel 800 b. - The
flange 820 a defines a plurality of horizontally alignedapertures apertures flange 820 a, with all of theapertures 822 a being radially aligned with one another and all of theapertures 824 a being radially aligned with one another and eachaperture 822 a having a correspondingaperture 824 a vertically aligned with it. Theapertures 822 a are horizontally closer to thewall 202 a than theapertures 824 a. Similarly, theflange 830 b defines a plurality of corresponding horizontally alignedapertures wall 202 a than the apertures 834 a. - With reference to
FIG. 15 , another non-limiting embodiment of aparts assembly 999 of adjacent end portions of two panels 900 according to the present technology are illustrated. Elements of theassembly 999 and the panels 900 that are similar to those of theassembly 299 and thepanels 200 retain the same reference numeral. - The right
side end portion 204 a of apanel 900 a has a right flange 920 integrally formed with thewall 202 a. Theflange 920 a is aligned with theedge 206 a and extends along the vertical length of thewall 202 a. The flange 920 defines the plurality ofapertures 222 a for receiving fasteners therethrough, as was described in relation to theflange 220 above. Thepanel 900 b further includes theleft flange 230 b, as is shown inFIG. 15 and which was described in more detail above. - With reference to
FIG. 16 , yet another non-limiting embodiment of aparts assembly 1099 of adjacent end portions of two panels 1000 (apanel 1000 a and apanel 1000 b) according to the present technology are illustrated. Elements of theassembly 1099 and the panels 1000 that are similar to those of theassembly 299 and thepanels 200 retain the same reference numeral. - The
side end portion 204 a of thepanel 1000 a has aflange 1020 a connected to and abutting theedge 206 a of thewall 202 a. Theflange 1020 a is welded directly to theedge 206 a by aninner weld 1005 a. As such, theedge 210 b abuts theflange 1020 a whenpanels edge 206 a. The side end portion 208 b of apanel 1000 b has a flange 1030 connected to thewall 202 b by inner andouter welds 1009 b, offset from theedge 210 b. The flange 1030 has a rectangular cross section, such that bothwelds 1009 b are disposed toward an exterior of thepanel 1000 b. Therigid spacing member 250 is welded to the flange 1030 in the illustrated embodiment. - A modified version of the
panel assembly 1099, identified aspanel assembly 1099′, is illustrated inFIG. 17 . In theassembly 1099′, apanel 1000 b ′ includes aflange 1030 b ′. Theflange 1030 b ′ is welded to thewall 202 b by theouter weld 1009 b, as before, as well as aninner weld 1009 b ′ which is disposed in an undercut in theflange 1030 b′. - Modifications and improvements to the above-described embodiments of the present technology may become apparent to those skilled in the art. The foregoing description is intended to be exemplary rather than limiting. The scope of the present technology is therefore intended to be limited solely by the scope of the appended claims.
Claims (13)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US17/519,977 US20220056723A1 (en) | 2018-03-22 | 2021-11-05 | Parts assembly, panel, and tank |
Applications Claiming Priority (4)
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US201862646666P | 2018-03-22 | 2018-03-22 | |
PCT/CA2019/050341 WO2019178688A1 (en) | 2018-03-22 | 2019-03-20 | Parts assembly, panel, and tank |
US202016957945A | 2020-06-25 | 2020-06-25 | |
US17/519,977 US20220056723A1 (en) | 2018-03-22 | 2021-11-05 | Parts assembly, panel, and tank |
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US16/957,945 Division US20200378144A1 (en) | 2018-03-22 | 2019-03-20 | Parts assembly, panel, and tank |
PCT/CA2019/050341 Division WO2019178688A1 (en) | 2018-03-22 | 2019-03-20 | Parts assembly, panel, and tank |
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US20220056723A1 true US20220056723A1 (en) | 2022-02-24 |
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US17/519,977 Abandoned US20220056723A1 (en) | 2018-03-22 | 2021-11-05 | Parts assembly, panel, and tank |
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US16/957,945 Abandoned US20200378144A1 (en) | 2018-03-22 | 2019-03-20 | Parts assembly, panel, and tank |
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EP (1) | EP3768611A4 (en) |
CN (1) | CN112292335A (en) |
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AU2020380942B2 (en) * | 2019-11-08 | 2023-10-05 | Ball Corporation | Resealable can end with stay on tab |
US11926471B2 (en) | 2019-11-21 | 2024-03-12 | Poly-Line Pte Ltd | Sectional panel tank |
DE102020115374B4 (en) * | 2020-06-10 | 2022-06-15 | Xl Beteiligungen Gmbh & Co. Kg | Bulk container and method of making a bulk container |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140319130A1 (en) * | 2013-04-24 | 2014-10-30 | JWF Industries | Large Capacity Above Ground Impoundment Tank |
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BR8001658A (en) * | 1980-03-20 | 1980-09-30 | Nordon Ind Metalurgicas | PROCESS OF OBTAINING TANKS |
DE3038514C2 (en) | 1980-10-11 | 1982-08-12 | Rasmussen Gmbh, 6457 Maintal | Clamp with hanger |
US5851033A (en) * | 1997-04-30 | 1998-12-22 | Electric Power Research Institute, Inc. | Corrosion limiting device |
AU4514097A (en) * | 1997-11-07 | 1999-05-27 | Colin Steven Brien | Modular storage tank |
JP2003514725A (en) * | 1999-11-18 | 2003-04-22 | キム、ドン・ギュン | water tank |
US20130098929A1 (en) * | 2011-10-21 | 2013-04-25 | Sean Michael Lovelace | Portable Reservoir Frame |
US8708177B2 (en) * | 2012-03-29 | 2014-04-29 | Richard W. Roberts | In-situ foam core dielectrically-resistant systems and method of manufacture |
CN204223528U (en) * | 2014-10-24 | 2015-03-25 | 潍坊金河机械有限公司 | Cement bin |
CN106347889B (en) * | 2016-11-10 | 2018-07-27 | 长沙爱达环保科技有限公司 | A kind of assembled powder pot |
-
2019
- 2019-03-20 EP EP19770902.5A patent/EP3768611A4/en not_active Withdrawn
- 2019-03-20 MX MX2020009835A patent/MX2020009835A/en unknown
- 2019-03-20 PE PE2020001453A patent/PE20210353A1/en unknown
- 2019-03-20 CN CN201980020845.8A patent/CN112292335A/en active Pending
- 2019-03-20 WO PCT/CA2019/050341 patent/WO2019178688A1/en active Application Filing
- 2019-03-20 BR BR112020019159-0A patent/BR112020019159A2/en not_active Application Discontinuation
- 2019-03-20 AU AU2019239796A patent/AU2019239796A1/en not_active Abandoned
- 2019-03-20 US US16/957,945 patent/US20200378144A1/en not_active Abandoned
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2021
- 2021-11-05 US US17/519,977 patent/US20220056723A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140319130A1 (en) * | 2013-04-24 | 2014-10-30 | JWF Industries | Large Capacity Above Ground Impoundment Tank |
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EP3768611A1 (en) | 2021-01-27 |
WO2019178688A1 (en) | 2019-09-26 |
AU2019239796A1 (en) | 2022-05-05 |
BR112020019159A2 (en) | 2021-01-05 |
CA3086260C (en) | 2021-03-16 |
MX2020009835A (en) | 2021-01-15 |
PE20210353A1 (en) | 2021-02-26 |
EP3768611A4 (en) | 2021-11-10 |
US20200378144A1 (en) | 2020-12-03 |
CN112292335A (en) | 2021-01-29 |
CA3086260A1 (en) | 2019-09-26 |
CL2020002429A1 (en) | 2021-05-14 |
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