CA2913757C - Modular rig mat system - Google Patents
Modular rig mat system Download PDFInfo
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- CA2913757C CA2913757C CA2913757A CA2913757A CA2913757C CA 2913757 C CA2913757 C CA 2913757C CA 2913757 A CA2913757 A CA 2913757A CA 2913757 A CA2913757 A CA 2913757A CA 2913757 C CA2913757 C CA 2913757C
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- mat
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- 230000000712 assembly Effects 0.000 claims description 18
- 238000000429 assembly Methods 0.000 claims description 18
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 210000002105 tongue Anatomy 0.000 abstract description 15
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000004323 axial length Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 235000014466 Douglas bleu Nutrition 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 240000001416 Pseudotsuga menziesii Species 0.000 description 1
- 235000005386 Pseudotsuga menziesii var menziesii Nutrition 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/14—Pavings made of prefabricated single units made of wooden units
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C9/00—Special pavings; Pavings for special parts of roads or airfields
- E01C9/08—Temporary pavings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/001—Pavings made of prefabricated single units on prefabricated supporting structures or prefabricated foundation elements except coverings made of layers of similar elements
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C9/00—Special pavings; Pavings for special parts of roads or airfields
- E01C9/08—Temporary pavings
- E01C9/086—Temporary pavings made of concrete, wood, bitumen, rubber or synthetic material or a combination thereof
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
- Joining Of Building Structures In Genera (AREA)
- Furniture Connections (AREA)
- Revetment (AREA)
Abstract
Description
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] This application claims benefit of U.S. Provisional Application Serial No. 61/828,889 filed on May 30, 2013, entitled "Modular Rig Mat System" .
STATEMENT REGARDING FEDERALLY SPONSORED
RESEARCH OR DEVELOPMENT
BACKGROUND
BRIEF SUMMARY OF SOME OF THE EMBODIMENTS
This embodiment may also include a frame disposed about and coupled to the glulam beam. The frame may include two longitudinal channels, two horizontal channels coupled to the two longitudinal channels, forming a rectangular perimeter, an I-beam extending between and coupled to the two horizontal channels, Date Recue/Date Received 2021-08-31 wherein the height of the I-beam is less than the height of the two longitudinal channels. This embodiment may also further include a third billet comprising a third stack of adjacently adhered wooden boards, wherein a plurality of the boards of the third stack comprise a tongue extending from a first face of each board and a groove extending into a second face of each board, and a fourth billet comprising a second stack of adjacently adhered wooden boards, wherein a plurality of the boards of the fourth stack comprise a tongue extending from a first face of each board, wherein the tongues of the fourth stack extend into and are adhered to the grooves of the third stack. This embodiment may also include a plurality of straps extending between the longitudinal channels and coupled to the I-beam. Also, the first plurality of the boards of the first stack may be pressed together at a pressure of at least 125 pounds per square inch.
In this embodiment, the link assembly may include a link frame having four elongate portions.
Also, each elongate portion of the link frame may include an aperture extending therethrough and configured to receive
BRIEF DESCRIPTION OF THE DRAWINGS
[0008] For a detailed description of the preferred embodiments of the disclosure, reference will now be made to the accompanying drawings in which:
DETAILED DESCRIPTION
However, one skilled in the art will understand that the examples disclosed herein have broad application, and that the discussion of any embodiment is meant only to be exemplary of that embodiment, and not intended to suggest that the scope of the disclosure, including the claims, is limited to that embodiment.
and "comprising" are used in an open-ended fashion, and thus should be interpreted to mean "including, but not limited to... ." Also, the term "couple" or "couples" is intended to mean either an indirect or direct connection. Thus, if a first device couples to a second device, that connection may be through a direct connection of the two devices, or through an indirect connection via other intermediate devices, components, and connections. In addition, as used herein, the terms "axial" and "axially"
generally mean along or parallel to a central axis (e.g., central axis of a body or a port), while the terms "radial" and "radially" generally mean perpendicular to the given axis.
For instance, an axial distance refers to a distance measured along or parallel to the axis, and a radial distance means a distance measured perpendicular to the axis.
Perimeter frame 110 includes two longitudinal steel channels 112 and two horizontal steel channels 114. Longitudinal channels 112 are welded to horizontal channels 114 at four miter joints 115.
Longitudinal channels 112 include an inner surface 112a, an outer surface 112b and a pair of curved edges 112c that extend along the axial length of channels 112. Similarly, horizontal channels 114 include an inner surface 114a, an outer surface 114b and a pair of curved edges 114c that extend along the axial length of channels 114. Curved edges 112c and 114c arc configured to facilitate the handling of rig mat assembly 10 via a forklift or other means. In this embodiment, edges 112c and 114c have an easy radius of approximately two or three times the thickness of channels 112 and 114. Also, in this embodiment channels 112 and 114 are formed from tubing and have an approximate thickness of 1/4" to 1/2". In this embodiment, channels 112 have an approximate length of 12' to 40', an approximate flange width of 3" and an approximate height of 3" to 8".
Channels 114 have an approximate length of 4' to 12', an approximate width of 3" and an approximate height of 3"-8". Channels 112 and 114 are formed from square tubing that is cut longitudinally. In another embodiment, channels 112 and 114 may be approximately 5/16" thick and have upper and lower curved edges with a radius of approximately 1". Thus, channels 112 and 114 of this embodiment each have a radius equal to approximately three times their thickness. In this embodiment, channels 112 and 114 may be formed from square tubing having approximate dimensions of (e.g., 6"x6") that is cut longitudinally via a water cooled plasma cutter to form two (e.g., 6"x3") channels.
thick and apertures 119 are approximately 4" in diameter. Two gussets 118 are butt welded to one longitudinal channel 112 and one horizontal channel 114 at each joint 115, with two gussets 118 coupled to the pair of curved edges 112c and 114c, as shown in Figure 3.
100281 In this embodiment, glulam beams 250, 230 and 250 are formed from Douglas-fir.
However, in other embodiments beams 250, 230 and 250 may be formed from other types of wood.
Each beam has a first longitudinal end (205a, 230a and 250a), a second longitudinal end (205b, 230b and 250b) a first side (205c, 230c and 250c) and a second side (205d, 230d and 250d). Each glulam beam 205, 220 and 230 includes a plurality of rows or boards and columns of laminated wooden boards, called lams, that form billets. This stacked and interlocking arrangement is configured to increase the bridge strength (i.e., resistance to bending or bending strength) of each beam, and thus, the bridge strength of the glulam beam assembly 200 overall.
Further, glulam beam assembly 200 is configured to have a bridge strength approximately equal to the strength of frame assembly 100. In this manner, beam assembly 200 is configured to fail in response to an applied load at approximately the same time as frame 100. In other words, the load required to cause structural failure of beam assembly 200 is approximately equal to the load required to cause structural failure of frame assembly 100. Such a feature may act to mitigate any bottlenecks in the strength of rig mat assembly 10 such that the strength of both beam assembly 200 and frame assembly 100 arc used efficiently. For instance, stresses applied to assembly 10 will be shared equitably between the beam assembly 200 and frame assembly 100, such that assembly 200 and assembly 100 are configured to fail at a relatively similar stress applied to assembly 10.
[0029] Referring specifically to Figures 4A and 4B, central beam 205 is shown.
In this embodiment, beam 205 forms a three-dimensional matrix of wooden, finger-jointed beams or lams.
Specifically, beam 205 generally includes six columns or billets 210a-210f (Figure 4B), each comprising four rows of lams 211a-211d. The first or upper row 211a of billets 210a-210f comprise a first outer lam 212 for billet 210a, four inner lams 214 for billets 210b-210e and a second outer lam 216 for billet 210f. Outer lam 212 includes a first or outer face 212a and a second or inner face 212b. Lam 212 further includes a longitudinally extending outer groove 212c proximal first face 212a and a longitudinally extending notch 212d at second face 212b. Inner lams 214 also include a first face 214a and a second face 214b. A tongue 214c extends perpendicularly relative axis 15 from the first face 214a of each lam 214. Also, a groove 214d extends perpendicularly relative axis 15 into the second face 214b of each lam 214. Lam 216 has a first face 216a, a second face 216b, a tongue 216c extending from first face 216a and a groove 216d proximal second face 216b. Each tongue 214c, 216c, is configured to be inserted into and physically engage an adjacently disposed groove (e.g., grooves 212d and 214d). Outer groove or rabbet 212c of lam 212 allows lam 212 to physically engage longitudinal channel 212. Specifically, first face 212a of lam 212 may be inserted into channel 212 to physically engage inner surface 212a of channel 212. Further, groove 212c allows the upper surface of lam 212 to sit substantially flush against channel 112.
[0030] Second row 211b and third row 211c of billets 210a-210f each include a first outer lam 220 (billet 210a), four inner lams 222 (bi11ets210b-210e) and a second outer lam 224 (billet 2100. Outer lam 220 includes a flat first face 220a, a second face 220b and a groove 220c extending into second face 220b. Inner lams 222 each include a first face 222a, a second face 222b, a tongue extending from first face 222a and a groove 222d extending into second face 222b. Outer lams 224 include a first face 224a having a tongue 224c extending therefrom and a flat second face 224b. Thus, similar to first row 211a, lams 220, 222 and 224 are configured to form an interlocking engagement via insertion of tongues 222c and 224c into an adjacently disposed groove (e.g., grooves 220c and 222d). Further, flat face 220a of lam 220 and flat face 224b of lam 224 extend into channels 112 to engage inner surfaces 112a.
[0031] Fourth row 211d includes a first outer lam 228 (billet 210a), four inner lams 230 (billets 210b-210e) and a second outer lam 232 (billet 2100. Lams 228, 230 and 232 arc configured similarly to lams 212, 214 and 216, respectfully. However, the lams of row 226 are disposed in an inverted manner relative the lams of row 211a. The inversion of the lams comprising fourth row 211d allows for the insertion of outer lams 228 and 232 into channels 212 so they may engage inner surfaces 212a of channels 212. The interlocking relationship provided by the engaging tongues and grooves is configured to strengthen rows 211a-211d. For instance, the interlocking relationship of lams 212, 214 and 216 of row 211a may allow loads applied to beam 205 to be distributed across row 211a and to the frame assembly 100.
[0032] In an embodiment, glulam beam 205 is formed by first adhering and pressing four rows of lams (e.g., finger-jointed wooden boards) vertically together, to form four columns or billets (e.g., billets 210a-210f), where each billet comprises four vertically stacked lams (e.g. rows 211a-211d).
Adhesive is applied to the upper and lower surfaces of the two middle lams (e.g., lams 220 of billet 210a), while the uppermost lam (e.g., lam 212 of billet 210a) includes adhesive on its lower surface and the lowermost lam (e.g., lam 228 of billet 210a) includes adhesive on its uppermost surface.
Next, tongues, grooves and rabbets are formed on the lams of each billet. In an embodiment, the billets comprise billets 210a-210f, and thus, comprise the lams of rows 211a-211d. Following the process of forming billets 211a-211f, beam 205 is formed by adhering and pressing each billet horizontally together. In this step, adhesive is applied the two side surfaces of the inner lams (e.g., lams 214, 222 and 230), the second face 212b, 220b, and 228b of lams 212, 220 and 228, respectively, and to the first side surfaces 216a, 224a and 232a of lams 216, 224 and 232, respectfully. In this arrangement, beam 205 includes lams that are adhered vertically and billets adhered horizontally to provide for greater bridge strength.
[0033] In an embodiment, a urethane glue may be used as the adhesive for the step of forming billets 211a-211f and the step of adhering each billet 211a-211f to one another to form beam 205.
In an embodiment, lams are vertically pressed at a pressure of at least 125 pounds per square inch (PSI) to help form billets 211a-211f. Similarly, in an embodiment, billets 210a-210f are pressed together at a pressure of at least 125 PSI to form beam 205. Glulam beams 230 and 250 are configured similarly to beam 205, as shown in Figure 2. However, beams 230 and 250 each include a pair of chamfers 232 and 252, respectfully, that are disposed at the intersection between each longitudinal end and a side. Specifically, chamfers 232 of beam 230 are disposed between ends 230a, 230b, and side 230c. Chamfers 252 of beam 250 are disposed between ends 250a, 250b, and side 250d. Chamfers 232 and 252 arc configured to provide clearance between beams 230, 250, and gussets 118 of frame assembly 100.
[0034] A plurality of perpendicularly or horizontally extending grooves or dados extend into the top surface of row 211a. Specifically, in this embodiment a central groove 234 is disposed longitudinally between a pair of outer horizontal grooves 236. However, in other embodiments there may be no central groove 234. An identical set of grooves extend into the bottom surface of fourth row 211d in the same manner (not shown). Grooves 234 and 236 are configured to allow steel straps 150 to extend into channels 112, and to allow for their outside surfaces be disposed flush with the top of the glulam beams, as described above. Further, in this embodiment straps 150 are stitch welded to the upper and lower flanges 132 and 134, respectfully of each beam 130 to enhance the structural integrity of mat assembly 10. As discussed above, I-beams 130 physically engage the glulam beams of beam assembly 200. Specifically, after assembly (as shown in Figure 1) side 230d of beam 230 is in physical engagement with side surface 136 of one beam 130 and side 250c of beam 250 is in physical engagement with side surface 136 of the other beam 130. Also, both sides 205c and 205d of beam 205 are in physical engagement with a side surface 136 of each beam 130.
In this arrangement, loads applied to beam assembly 200 may be distributed to I-beams 130 and perimeter frame 110 to further strengthen rig mat assembly 10.
[0035] Having described an embodiment of a rig mat assembly 10, embodiments of a rig mat system will now be described. Referring to Figure 5, an embodiment of a rig mat system 300 is shown. In this embodiment, rig mat system 300 includes six rig mat assemblies 10 (shown without beam assemblies 200 in the interest of clarity) coupled to each other via a plurality of link assemblies 350. As will be described further herein, system 300 is configured to allow for flexibility and modularity in tailoring the footprint or square footage offered by the mat system to a particular industrial application. For instance, link system 300 may be used in different applications having different square footage requirements. Further, link system 300 provides for a relatively smooth working surface to increase safety during operation.
[0036] Referring to Figures 6A-6D, 7A and 7B, link assembly 350 generally comprises a link frame 360 and four fastener or bolt assemblies 380. Frame 360 includes a base 362 having four elongate portions 362a-362d. Each elongate portion 362a-362d includes an aperture 364 that extends through the base 362. The four elongate portions 362a-362d allow the link assembly 350 to "link" or couple up to four adjacently disposed rig mat assemblies 10 together, as shown in Figure 5. Frame 360 further includes a tab 366 that extends upward from base 362 and includes an aperture or lifting eye for handling frame 360. While the embodiment of frame 360 shown in Figures 6A-6D includes four elongate portions 362a-362d, in other embodiments the link assembly 350 may include only two elongate portions, thus only providing for the coupling of two rig mat assemblies 10. Also, while this embodiment of link assembly 350 includes four bolt assemblies 380, in other embodiments alternative types of fasteners may be used, such as studs, rivets, nonmetallic fasteners, and others. Some fasteners may include locking nuts for securing the fasteners to the link assembly 350 while others may not include a locking nut for securing.
10037] In this embodiment, each bolt assembly 380 includes a fastener or threaded bolt 382, a base pedestal 384, a bushing 386, a compression plate 388, a washer 390 and a locking nut 392.
Threaded bolt 382 that is inserted upward and threaded through apertures 364 of frame 360.
Once threaded through frame 360 (as shown in Figure 6B), bolts 382 are welded to the base 362 of frame 360 to secure them into place. However, in other embodiments, bolts 382 may be coupled to the frame 360 in some other manner, or they may only be threaded into frame 360 and not fixed thereto.
100381 Referring now to Figures 6A and 8, pedestal 384 is configured to fit within the aperture 119 of gusset 118, thus acting as a floor that fits flush against the upper surface of the bottom gusset 118. Pedestal 384 is formed from rigid steel plate and includes an aperture to allow the passage of bolt 382 therethrough. Bushing 386, having a hemispherical upper surface and a flat lower surface, is disposed adjacent pedestal 384 and is configured to radially expand upon the securing of locking nut 392 on bolt 382, thereby securing link assembly 350 to the bottom gusset 118 of the rig mat assembly 10. Also, the pliability of bushing 386 allows adjacent rig mat assemblies 10 coupled to link assembly 350 to flex. For instance, adjacent mat assemblies 10 may flex when positioned over relatively uneven terrain. In this embodiment, bushing 386 is formed from polyurethane but in other embodiments the bushing may be formed from other flexible materials. The compression plate 388 having an aperture is disposed over the bushing 386. In this embodiment, plate 388 comprises steel and has a diameter slightly smaller than pedestal 384, allowing plate 388 to pass through aperture 119 of the bottom gusset 118. Last, washer 390 and locking nut 392 are disposed over the compression plate. In this embodiment, washer 390 is a small grade 8 washer and nut 392 is a locking nut provided by Nylok0.
100391 While embodiments have been shown and described, modifications thereof can be made by one skilled in the art without departing from the scope or teachings herein. The embodiments described herein are exemplary only and are not limiting. Many variations and modifications of the systems, apparatus, and processes described herein are possible and are within the scope of the disclosure. Accordingly, the scope of protection is not limited to the embodiments described herein, but is only limited by the claims that follow, the scope of which shall include all equivalents of the subject matter of the claims. Unless expressly stated otherwise, the steps in a method claim may be performed in any order. The recitation of identifiers such as (a), (b), (c) or (1), (2), (3) before steps in a method claim are not intended to and do not specify a particular order to the steps, but rather are used to simply subsequent reference to such steps.
Claims (10)
a plurality of mat assemblies, wherein each mat assembly comprises a plurality of wooden beams coupled to a frame comprising a gusset having an aperture extending therethrough; and a link assembly coupled to the plurality of mat assemblies, wherein the link assembly comprises a plurality of fasteners, and a link frame having a plurality of elongate portions each comprising an aperture extending therethrough and configured to receive one of the plurality of fasteners;
wherein the link assembly comprises a pedestal positioned atop an upper surface of the link frame and through which one of the plurality of fasteners extends, and wherein the pedestal is positioned in the aperture of the gusset of one of the plurality of mat assemblies;
wherein the fasteners of the link assembly extend through the gusset of each of the plurality of mat assemblies.
Date recue/Date received 2023-02-20
Date recue/Date received 2023-02-20
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361828889P | 2013-05-30 | 2013-05-30 | |
US61/828,889 | 2013-05-30 | ||
PCT/US2014/040310 WO2014194238A1 (en) | 2013-05-30 | 2014-05-30 | Modular rig mat system |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2913757A1 CA2913757A1 (en) | 2014-12-04 |
CA2913757C true CA2913757C (en) | 2023-12-12 |
Family
ID=51989435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2913757A Active CA2913757C (en) | 2013-05-30 | 2014-05-30 | Modular rig mat system |
Country Status (7)
Country | Link |
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US (1) | US20160115652A1 (en) |
CN (1) | CN105518216A (en) |
AU (1) | AU2014273930A1 (en) |
CA (1) | CA2913757C (en) |
MX (1) | MX2015016284A (en) |
RU (1) | RU2015152292A (en) |
WO (1) | WO2014194238A1 (en) |
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US9447643B2 (en) * | 2013-09-20 | 2016-09-20 | Cenovus Energy Inc. | Drilling rig equipment platform |
AU2015226807A1 (en) * | 2014-03-07 | 2016-10-20 | Canadian Mat Systems Inc. | Modular rig mat |
US10577753B2 (en) | 2015-08-03 | 2020-03-03 | Sterling Site Access Solutions, Llc | Crane mat and method of manufacture |
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US11280079B2 (en) * | 2017-11-03 | 2022-03-22 | Axion Structural Innovations | Structural reinforced composite construction mat |
CN108726367B (en) * | 2018-04-26 | 2020-03-17 | 武汉船用机械有限责任公司 | Transfer portal frame |
CN111535112A (en) * | 2020-05-18 | 2020-08-14 | 长沙开湖设备有限公司 | Device and road of initiatively clear up snow fast |
NZ770693A (en) * | 2020-12-03 | 2022-08-26 | Ecomatpro Pte Ltd | Road Surface Matting |
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CN103015702B (en) * | 2012-12-20 | 2015-10-28 | 南宁铁路局房产管理所 | Building adhesive shuttering splicing restorative procedure |
-
2014
- 2014-05-30 US US14/894,860 patent/US20160115652A1/en not_active Abandoned
- 2014-05-30 AU AU2014273930A patent/AU2014273930A1/en not_active Abandoned
- 2014-05-30 CN CN201480031333.9A patent/CN105518216A/en active Pending
- 2014-05-30 MX MX2015016284A patent/MX2015016284A/en unknown
- 2014-05-30 WO PCT/US2014/040310 patent/WO2014194238A1/en active Application Filing
- 2014-05-30 RU RU2015152292A patent/RU2015152292A/en not_active Application Discontinuation
- 2014-05-30 CA CA2913757A patent/CA2913757C/en active Active
Also Published As
Publication number | Publication date |
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AU2014273930A1 (en) | 2015-12-17 |
RU2015152292A (en) | 2017-07-06 |
CN105518216A (en) | 2016-04-20 |
WO2014194238A1 (en) | 2014-12-04 |
US20160115652A1 (en) | 2016-04-28 |
MX2015016284A (en) | 2016-08-11 |
RU2015152292A3 (en) | 2018-03-28 |
CA2913757A1 (en) | 2014-12-04 |
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