CA2937091C - Wood-bamboo double layer floor - Google Patents
Wood-bamboo double layer floor Download PDFInfo
- Publication number
- CA2937091C CA2937091C CA2937091A CA2937091A CA2937091C CA 2937091 C CA2937091 C CA 2937091C CA 2937091 A CA2937091 A CA 2937091A CA 2937091 A CA2937091 A CA 2937091A CA 2937091 C CA2937091 C CA 2937091C
- Authority
- CA
- Canada
- Prior art keywords
- wood
- bamboo
- bottom panel
- double layer
- layer floor
- 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.)
- Expired - Fee Related
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
- E04F15/045—Layered panels only of wood
- E04F15/046—Plywood panels
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/02038—Flooring or floor layers composed of a number of similar elements characterised by tongue and groove connections between neighbouring flooring elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
- E04F15/048—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members with a top surface of assembled elongated wooden strip type
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
- E04F15/107—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials composed of several layers, e.g. sandwich panels
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/02—Non-undercut connections, e.g. tongue and groove connections
- E04F2201/023—Non-undercut connections, e.g. tongue and groove connections with a continuous tongue or groove
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Floor Finish (AREA)
Abstract
The present disclosure discloses a wood-bamboo double layer floor including a top panel and bottom panel. The top panel is long strip shape and made by the whole log. The bottom panel is made by the whole log. Wood fiber directions of the top panel are parallel to a long side of the floor. Wood fiber directions of the bottom panel are parallel or perpendicular to the long side. The top panel and bottom panel are adhered by adhesive. Patchwork opens are pieced up to each other and made around the bottom panel. Grooves are defined in the bottom panel and arranged in a row along a direction being perpendicular to the wood fiber directions of the bottom panel, bamboo strips embedded and adhered in the grooves, are matched with the grooves. And bamboo fiber directions are the same as length directions of the bamboo strips.
Description
WOOD-BAMBOO DOUBLE LAYER FLOOR
FIELD OF THE DISCLOSURE
[0001] The present disclosure relates to floors, and particularly, to a wood-bamboo double layer floor.
BACKGROUND OF THE DISCLOSURE
FIELD OF THE DISCLOSURE
[0001] The present disclosure relates to floors, and particularly, to a wood-bamboo double layer floor.
BACKGROUND OF THE DISCLOSURE
[0002] On the. present market, there are many kinds of wood-bamboo composite floors. Most wood-bamboo composite floors include a multilayer wood board with wood fiber directions arranged in a crisscross pattern, and a bamboo board adhered between the multilayer wood board or to surfaces of the multilayer wood board, the bamboo board is spliced from bamboo sheets, the wood board and the bamboo board are laminated and adhered to form the composite floor via using adhesive, and then patchwork opens are defined around the composite floor, such as a Chinese patent with the application number 200620059793.5 and entitled with "a wood-bamboo multilayer composite floor". In the wood-bamboo multilayer composite floor, no matter bamboo board itself or the combination between the multilayer wood board and the bamboo board, all need to use a lot of adhesive. Though the preset floor industry requires using environmental adhesives, the environmental adhesives can also bring some harmful to the environment and human health. And methods for making the wood-bamboo composite floor are complex, the production efficiency is low, flexibility of the composite floor is poor, and the foot feels is also uncomfortable.
SUMMARY OF THE DISCLOSURE
SUMMARY OF THE DISCLOSURE
[0003] An object of the pressure disclosure is to provide a wood-bamboo double layer floor, which has a simple structure and an easy manufacturing method, can greatly reduce using adhesive.
[0004] In order to achieve the above object, the present disclosure adopts the following technique scheme: the wood-bamboo double layer floor includes a top =
panel and a bottom panel located under the top panel. The top panel has a long strip shape and is made from the whole log. The bottom panel is made from the whole log.
Wood fiber directions of the top panel arc parallel to a long side of the floor. Wood fiber directions of the bottom panel arc parallel or perpendicular to the long side of the floor. The top and bottom panels are adhered by using adhesive. the Patchwork opens, which is capable of splicing, are defined around the bottom panel.
Wherein grooves defined in the bottom panel and arranged in a row along a direction being perpendicular to the wood fiber directions of the bottom panel; bamboo strips embedded and adhered in the grooves, are matched with the grooves; bamboo fiber directions and length directions of the bamboo strips are in a same direction.
panel and a bottom panel located under the top panel. The top panel has a long strip shape and is made from the whole log. The bottom panel is made from the whole log.
Wood fiber directions of the top panel arc parallel to a long side of the floor. Wood fiber directions of the bottom panel arc parallel or perpendicular to the long side of the floor. The top and bottom panels are adhered by using adhesive. the Patchwork opens, which is capable of splicing, are defined around the bottom panel.
Wherein grooves defined in the bottom panel and arranged in a row along a direction being perpendicular to the wood fiber directions of the bottom panel; bamboo strips embedded and adhered in the grooves, are matched with the grooves; bamboo fiber directions and length directions of the bamboo strips are in a same direction.
[0005] In one embodiment, the bottom panel is made by rotary cutting or slicing log.
[0006] In one embodiment, the bamboo strips are made by that bamboo sheets tailored along the bamboo fiber directions, are stacked up in side by side, and then adhered by adhesive.
[0007] In one embodiment, the grooves are defined in a lower surface of the bottom panel.
[0008] In one embodiment, the grooves are defined in an upper surface of the bottom panel combined with the top panel.
[0009] In one embodiment, the grooves are defined in a lower surface of the bottom panel and an upper surface of the bottom panel combined with the top panel.
[0010] In one embodiment, a thickness of the top panel is about 1 mi1limete-millimeters.
[0011] In one embodiment, a thickness of the bottom panel is about 5 millimetes-18 millimeters.
[0012] In one embodiment, each groove is a rectangular slot with a width of about 3 millimetes-25 millimeters and a depth of about 2 millimetes-5 millimeters.
[0013] In one embodiment, a distance between adjacent grooves is about 15 millimetes-50 millimeters.
[0014] In one embodiment, the bamboo strips can be reconstituted bamboos or normal bamboos.
[0015] In one embodiment, a material of the bottom panel can be larch, monterey pine, Douglas fir, birch, poplar or eucalyptus.
[0016] In one embodiment, a material of the top panel can be oak, maple, Black walnut, beech, hickory, Dibetou or Jatoba.
[0017] According to the present application disclosed the wood-bamboo double layer floor, the whole wood-bamboo double layer floor only includes two pieces of wood boards, it can reduce the usage of adhesive. The top panel is made from top grade wood, which has great strength and hardness, good abrasive resistance, pretty wood grain. The bottom panel is made from wood, which is growing fast, many storage, little utility value, cheap price, such as fast-growing wood, pine.
The strength and flexibility of bamboo strips are much greater than those of wood. Bamboo resource is great rich, the use of bamboo is smaller than that of wood, and the cost of bamboo is low. Therefore, it can reduce the cost of the floor, save the usage of wood and develop the using of bamboo resource. The strength and stiffness of the floor through adjusting the usage of bamboo strips, sectional shape, the distribution and arrangement of the bamboo strips in the floor, and fiber directions of wood and bamboo strips, is.to satisfy different requirements of strength and flexibility, and also control the deformation of wood. The combination of the two materials of wood and bamboo, looks like rebars applied in concrete, but comparing to the traditional and whole bamboo inserted in the floor, it is more flexibility and feeling of users feet is more comfortable. In addition, it requires a strict flexibility for room sports ground, such as gymnastics ground, table tennis ground, high jump ground, tennis filed, and so on. The wood-bamboo double layer floor can satisfy the special requirements.
The wood-bamboo double layer floor has a simple manufacturing process, high production efficiency, low material usage and production cost, good environmental protection, good use property, which can meet a various of special using requirements of grounds.
BRIEF DESCRIPTION OF THE DRAWINGS
The strength and flexibility of bamboo strips are much greater than those of wood. Bamboo resource is great rich, the use of bamboo is smaller than that of wood, and the cost of bamboo is low. Therefore, it can reduce the cost of the floor, save the usage of wood and develop the using of bamboo resource. The strength and stiffness of the floor through adjusting the usage of bamboo strips, sectional shape, the distribution and arrangement of the bamboo strips in the floor, and fiber directions of wood and bamboo strips, is.to satisfy different requirements of strength and flexibility, and also control the deformation of wood. The combination of the two materials of wood and bamboo, looks like rebars applied in concrete, but comparing to the traditional and whole bamboo inserted in the floor, it is more flexibility and feeling of users feet is more comfortable. In addition, it requires a strict flexibility for room sports ground, such as gymnastics ground, table tennis ground, high jump ground, tennis filed, and so on. The wood-bamboo double layer floor can satisfy the special requirements.
The wood-bamboo double layer floor has a simple manufacturing process, high production efficiency, low material usage and production cost, good environmental protection, good use property, which can meet a various of special using requirements of grounds.
BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to illustrate technical schemes of the present disclosure or the prior art more clearly, the following section briefly introduces drawings used to describe the embodiments and prior art. Obviously, the drawing in the following descriptions just is some embodiments of the present disclosure. The ordinary person in the related art can acquire the other drawings according to these drawings without offering creative effort.
[0019] FIG. 1 is a front view of a first embodiment of a wood-bamboo double layer floor, wherein in the floor, the bottom wood fiber directions are perpendicular to the long side of the floor.
[0020] FIG: 2 is a left view of the floor shown in FIG.1.
[0021] FIG. 3 is a sectional enlarged view along a broken line A-A shown in FIG.1.
[0022] FIG. 4 is a sectional enlarged view along a broken line B-B shown in FIG.1.
[0023] FIG. 5 is a front view of a second embodiment of a wood-bamboo double layer floor, wherein in the floor, the bottom wood fiber directions are parallel to the long side of the floor.
[0024] FIG, 6 is a left view of the floor shown in FIG.5.
[0025] FIG. 7 is. a sectional enlarged view along a broken line C-C shown in FIG.5.
[0026] FIG. 8 is a sectional enlarged view along a broken line F-F shown in FIG.5.
[0027] FIG. 9 is a front view of a third embodiment of an embedded wood-bamboo double layer floor, wherein in the floor, the bottom wood fiber directions are perpendicular to the long side of the floor.
[0028] FIG. 10 is a left view of the floor shown in FIG.9.
[0029] FIG. 11 is a sectional enlarged view along a broken line E-E shown in FIG.9.
[0030] FIG. 12 is a sectional enlarged view along a broken line D-D shown in FIG.9.
[0031] FIG. 13 is a front view of a fourth embodiment of an embedded wood-bamboo double layer floor, wherein in the floor, the bottom wood fiber directions are parallel to the long side of the floor.
[0032] FIG. 14 is a left view of the floor shown in FIG.13.
[0033] FIG. 15 is a sectional enlarged view along a broken line H-H shown in FIG.13.
[0034] FIG. 16 is a sectional enlarged view along a broken line K-K shown in FIG.13.
[0035] FIG. 17 is a front view of a fifth embodiment of a wood-bamboo double layer floor, wherein in the floor, the bottom wood fiber directions are parallel to the long side of the floor, and the bamboo strips are inserted in the upper and lower surfaces of the bottom panel.
[0036] FIG. 18 is a left view of the floor shown in FIG.17.
[0037] FIG. 19 is a sectional enlarged view along a broken line L-L shown in FIG.17.
[0038] FIG. 20 is a sectional enlarged view along a broken line N-N shown in FIG.17.
[0039] In above drawings, 1 is top panel, 2 is bottom panel, 3 is long side of the bottom panel, 4 is mortise, 5 is tenon, 6 is groove, and 7 is bamboo strip.
DETAILED DESCRIPTION OF ILLUSTRATED EMBODIMENTS
DETAILED DESCRIPTION OF ILLUSTRATED EMBODIMENTS
[0040] The following sections offer a clear, complete description of the present disclosure in combination with the embodiments and accompanying drawings.
Obviously, the embodiments described herein are only a part of, but not all of the embodiments of the present disclosure. In view of the embodiments described herein, any other embodiment obtained by the person skilled in the field without offering creative effort is included in a scope claimed by the present disclosure.
Obviously, the embodiments described herein are only a part of, but not all of the embodiments of the present disclosure. In view of the embodiments described herein, any other embodiment obtained by the person skilled in the field without offering creative effort is included in a scope claimed by the present disclosure.
[0041] Referring to FIGS. 1-4, one embodiment of a wood-bamboo double layer floor includes a top panel 1 and a bottom panel 2 located under the top panel 1. The top panel 1 has a long strip shape. The top and bottom panels 1, 2 both are made from , the whole log. A thickness of the top panel 1 is an E. A thickness of the bottom panel is an S. Wood fiber directions of the top panel 1 are parallel to a long side 3 of the floor. Wood fiber directions of the bottom panel 2 are perpendicular to the long side 3. The top and bottom panels 1, 2 are adhered by adhesive. Mortises 4 and tenons 5 are defined around the bottom panel 2, which act as patchwork opens. Wherein, grooves 6 defined in the bottom panel 2 and arranged in a row along a direction being perpendicular to the wood fiber directions of the bottom panel 2. The groove 6 is a rectangular slot with a width of a B and depth of a D. A distance between the adjacent grooves 6 is an L. Bamboo strips 7 embedded and adhered in the grooves 6, are matched with the grooves 6. Bamboo fiber directions and the length directions of the bamboo strips 7 are in a same direction.
[0042] Referring to FIGS. 5-8, a second embodiment of a wood-bamboo double layer floor is provided. The structure of the wood-bamboo double layer floor of the second embodiment is similar to that of the first embodiment, except that: in second embodiment, the wood fiber directions of the bottom panel 2 are parallel to the long side 3.
[0043] Referring to FIGS. 9-12, a third embodiment of a wood-bamboo double layer floor is provided. The structure of the wood-bamboo double layer floor of the third embodiment is similar to that of the first embodiment, except that: in the third embodiment, the floor is an embedded wood-bamboo double layer floor, the grooves 6 are defined in an upper surface of the bottom panel 2.
[0044] Referring to FIGS. 13-16, a fourth embodiment of a wood-bamboo double layer floor is provided. The structure of the wood-bamboo double layer floor of the fourth embodiment is similar to that of the first embodiment, except that: in fourth embodiment, the floor is an embedded wood-bamboo double layer floor, and the wood fiber directions of the bottom panel 2 of the second embodiment are parallel to the long side 3.
[0045] Referring to FIGS. 17-20, a fifth embodiment of a wood-bamboo double layer floor is provided. The structure of the wood-bamboo double layer floor of the fifth embodiment is similar to that of the first embodiment, except that: in fifth embodiment, the=floor is an embedded wood-bamboo double layer floor, the wood fiber directions of the bottom panel 2 of the second embodiment are parallel to the long side 3, the grooves 6 are defined in the upper and lower surfaces of the bottom panel 2, the grooves 6 defined in the upper and lower surfaces of the bottom panel 2 are staggered with each other.
[0046] In above-mentioned embodiments, the bamboo strips 7 can be reconstituted bamboos or normal bamboos. When a transverse dimension of the desired the bamboo strip is large, the bamboo strip 7 which can be made by bamboo sheets tailored along the bamboo fiber directions, are stacked up in side by side, and then adhered by glue.
[0047] In above-mentioned embodiments, the material of the bottom panel 2 can be made by rotary cutting or slicing the fast-growing wood, such as larch, monterey pine, Douglas fir, birch, poplar or eucalyptus.
[0048] In above-mentioned embodiments, the material of the top panel 1 can be oak, maple, Black walnut, beech, hickory, Dibetou, Jatoba and other top grade woods.
[0049] In above-mentioned embodiments, the numerical values of the E, S, B, D, L
can be selected according to the below table.
parameter numerical value (unit: millimeter) I
thickness of top panel (E) 1, 2, 4, 5, 6 thickness of bottom panel (S) 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 18 3, 4, 5, 7, 8, 9, 10, 11, 12, 13, 14, 15 width of groove (B) , 18, 20, 25 depth of groove (D) 2, 3, 4, 5 distance between adjacent 15, 20, 25, 30, 35.. 40, 45 50 grooves (L) =
can be selected according to the below table.
parameter numerical value (unit: millimeter) I
thickness of top panel (E) 1, 2, 4, 5, 6 thickness of bottom panel (S) 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 18 3, 4, 5, 7, 8, 9, 10, 11, 12, 13, 14, 15 width of groove (B) , 18, 20, 25 depth of groove (D) 2, 3, 4, 5 distance between adjacent 15, 20, 25, 30, 35.. 40, 45 50 grooves (L) =
Claims (13)
1. A wood-bamboo double layer floor, comprising:
a top panel, the top panel having a long strip shape and made from the whole log, wood fiber directions of the top panel being parallel to a long side of the wood-bamboo double layer floor; and a bottom panel, the bottom panel located under the top panel, which is made from the whole log, wood fiber directions of the bottom panel being parallel or perpendicular to the long side, the bottom panel comprising being capable of splicing patchwork opens defined around the bottom panel;
wherein, grooves are defined in the bottom panel and arranged in a row along a direction being perpendicular to the wood fiber directions of the bottom panel; bamboo strips embedded and adhered in the grooves, are matched with the grooves; bamboo fiber directions are the same as length directions of the bamboo strips, and mortises and tenons are defined around the bottom panel, which act as the patchwork opens.
a top panel, the top panel having a long strip shape and made from the whole log, wood fiber directions of the top panel being parallel to a long side of the wood-bamboo double layer floor; and a bottom panel, the bottom panel located under the top panel, which is made from the whole log, wood fiber directions of the bottom panel being parallel or perpendicular to the long side, the bottom panel comprising being capable of splicing patchwork opens defined around the bottom panel;
wherein, grooves are defined in the bottom panel and arranged in a row along a direction being perpendicular to the wood fiber directions of the bottom panel; bamboo strips embedded and adhered in the grooves, are matched with the grooves; bamboo fiber directions are the same as length directions of the bamboo strips, and mortises and tenons are defined around the bottom panel, which act as the patchwork opens.
2. The wood-bamboo double layer floor of claim 1, wherein the bottom panel is made by rotary cutting or slicing log.
3. The wood-bamboo double layer floor of claim 1, wherein the bamboo strips are made by that bamboo sheets tailored along the bamboo fiber directions, are stacked up in side by side, and then adhered by adhesive.
4. The wood-bamboo double layer floor of claim 1, wherein the grooves are defined in a lower surface of the bottom panel.
5. The wood-bamboo double layer floor of claim 1, wherein the grooves are defined in an upper surface of the bottom panel combined with the top panel.
6. The wood-bamboo double layer floor of claim 1, wherein the grooves are defined in a lower surface of the bottom panel and an upper surface of the bottom panel combined with the top panel.
7. The wood-bamboo double layer floor of claim 1, wherein a thickness of the top panel is about 1 millimeter ~ 6 millimeters.
8. The wood-bamboo double layer floor of claim 7, wherein a thickness of the bottom panel is about 5 millimeters ~18 millimeters.
9. The wood-bamboo double layer floor of claim 8, wherein each groove is a rectangular slot with a width of about 3 millimeters ~25 millimeters and a depth of about 2 millimeters ~5 millimeters.
10. The wood-bamboo double layer floor of claim 1, wherein a distance between adjacent grooves is about 15 millimeters ~ 50 millimeters.
11. The wood-bamboo double layer floor of claim 1, wherein the bamboo strips is made from reconstituted bamboos or normal bamboos.
12. The wood-bamboo double layer floor of claim 1, wherein a material of the bottom panel is larch, monterey pine, Douglas fir, birch, poplar or eucalyptus.
13. The wood-bamboo double layer floor of claim 1, wherein a material of the top panel can be oak, maple, Black walnut, beech, hickory, Dibetou or Jatoba.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510445323.6 | 2015-07-27 | ||
| CN201520548581.2 | 2015-07-27 | ||
| CN201520548581.2U CN204826542U (en) | 2015-07-27 | 2015-07-27 | Double -deck floor of embedded bamboo wood |
| CN201510445323.6A CN105003058A (en) | 2015-07-27 | 2015-07-27 | Bamboo and wood double-layer floor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2937091A1 CA2937091A1 (en) | 2017-01-27 |
| CA2937091C true CA2937091C (en) | 2018-08-28 |
Family
ID=57881857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2937091A Expired - Fee Related CA2937091C (en) | 2015-07-27 | 2016-07-26 | Wood-bamboo double layer floor |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20170030089A1 (en) |
| CA (1) | CA2937091C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10882048B2 (en) | 2016-07-11 | 2021-01-05 | Resource Fiber LLC | Apparatus and method for conditioning bamboo or vegetable cane fiber |
| US11175116B2 (en) | 2017-04-12 | 2021-11-16 | Resource Fiber LLC | Bamboo and/or vegetable cane fiber ballistic impact panel and process |
| US10597863B2 (en) | 2018-01-19 | 2020-03-24 | Resource Fiber LLC | Laminated bamboo platform and concrete composite slab system |
| CN112627462A (en) * | 2020-12-25 | 2021-04-09 | 湖南省桑圆门业有限责任公司 | Bamboo-wood fiber polymerized board and preparation method thereof |
| WO2022204389A1 (en) * | 2021-03-24 | 2022-09-29 | Kunzler John J | Flooring panels with slidable edge joints |
| CN115030433B (en) * | 2022-07-01 | 2024-06-25 | 何其佳 | Composite decorative plate and manufacturing method thereof |
-
2016
- 2016-07-20 US US15/214,484 patent/US20170030089A1/en not_active Abandoned
- 2016-07-26 CA CA2937091A patent/CA2937091C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20170030089A1 (en) | 2017-02-02 |
| CA2937091A1 (en) | 2017-01-27 |
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| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |
Effective date: 20200831 |