CN106794879A - Vehicle floor is constructed - Google Patents

Vehicle floor is constructed Download PDF

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Publication number
CN106794879A
CN106794879A CN201580055729.1A CN201580055729A CN106794879A CN 106794879 A CN106794879 A CN 106794879A CN 201580055729 A CN201580055729 A CN 201580055729A CN 106794879 A CN106794879 A CN 106794879A
Authority
CN
China
Prior art keywords
stiffener
floor
vehicle
channel part
passage
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.)
Granted
Application number
CN201580055729.1A
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Chinese (zh)
Other versions
CN106794879B (en
Inventor
寺尾佳士
三崎利次
胁本恭辅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Motors Corp
Original Assignee
Mitsubishi Motors Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Motors Corp filed Critical Mitsubishi Motors Corp
Publication of CN106794879A publication Critical patent/CN106794879A/en
Application granted granted Critical
Publication of CN106794879B publication Critical patent/CN106794879B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/20Floors or bottom sub-units

Abstract

Vehicle floor construction includes channel part (2), anterior floor (3), upwardly curved (5), rear portion floor (4) and a pair of bottom stiffeners (6).Channel part (2) is configured at center along the direct of travel of vehicle.Anterior floor (3) extends to the both sides of channel part (2).Upwardly curved (5) are consecutively formed at the rear end of channel part (2) and anterior floor (3).Bottom stiffener (6) be engaged in from channel part (2) anteriorly floor (3) connection continuous portion lower surface.The bottom stiffener (6) is configured to close to each other in vehicle-width direction towards upwardly curved (5).

Description

Vehicle floor is constructed
Technical field
Suppress the vehicle of the stiffener of the floor protuberance of the car room in the frontal collisions of vehicle the present invention relates to have Deck construction.
Background technology
In the case where vehicle produces frontal collisions, by deforming a part of buckling of the framework of car body or will collide Load is transmitted to framework and disperses it, absorbs the energy of collision.
The lower-body structure of the vehicle according to described in patent document 1, makes the front side member of left and right in the position of instrument board Put and combined with the rocking bar guide rail at the left and right sides edge on the floor along car room to lateral bend outside rear ramp car, and in vehicle Direct of travel on be incorporated into rocking bar guide rail with front side member to rear ramp extending inboard from the bending section of front side member Roughly the same position, including the strengthening part bent in the way of extending with rocking bar guide rail parallel.Strengthening part is reversed cardioid Cross sectional shape, the side wall top edge on the outside of car is incorporated into the lower surface of floor panel, and by the side wall top of in-car side Edge is incorporated into the internal side wall of channel part, forms closed section.By having configuration which, so as in the frontal collisions of vehicle When for example by the dislocation collision of the right front portion of vehicle in the case of, impact load is by the bending section of front side member to rocking bar rail-sides With the dispersion of strengthening part side, make the rigidity raising of lower-body structure.
In addition, the vehicle floor construction according to described in patent document 2, it is adaptable to hybrid vehicle, electric automobile etc. By battery-mounting in the vehicle on car body floor.Vehicle floor construction is acted on forwards in order to suppress the battery in frontal collisions Inertia force deform car body, in the vehicle-width direction both sides of channel part, be provided with load from support to the effect of car body front it is logical Road portion bone lattice piece.
Look-ahead technique document Prior Art
Patent document
Patent document 1:Japanese Unexamined Patent Publication 2001-219873 publications
Patent document 2:Japanese Unexamined Patent Publication 2007-320341 publications
But, particularly being misplaced in frontal collisions in the case of collision, the channel part between right side and left side applies To the shear-type load that the direct of travel of vehicle is acted on.As a result, apply to distort in floor panel, with generation fold or floor panel The situation of protuberance.When floor panel swells, the seat being fixed on floor panel also swells, to sitting on multiplying on the seat Member gives to be pushed upwardly such impact and give interior space and is crushed such feeling of terror.
However, in the case where newly stiffener is set to suppress floor panel protuberance, due to strengthening with others The relation of the junction of component, it is impossible to which stiffener is engaged in desired position;With existing stiffener, so difficult To ensure the bang path etc. of load, change the junction of other components or change assembling sequence etc., it is difficult to be additional to strengthen Component.
The content of the invention
Therefore, the present invention provides and adds stiffener with can not significantly changing existing stiffener, mitigate in mistake The vehicle floor construction of the protuberance that position collision is produced.
The vehicle floor construction of an implementation method of the present invention includes channel part, front portion floor, upwardly curved (kick-up portion), rear portion floor and a pair of bottom stiffeners.During channel part is configured at along the direct of travel of vehicle Centre.Anterior floor extends to the both sides of channel part.The upwardly curved rear end for being consecutively formed at channel part and anterior floor.Afterwards Portion floor rearward extends from upwardly curved.Bottom stiffener is engaged in from channel part anteriorly floor continuous scope Lower surface.A pair of bottom stiffeners are configured to close to each other in vehicle-width direction towards upwardly curved.
Alternatively, it is also possible to include top stiffener.Top stiffener be engaged in from the rear end of bottom stiffener to The upper surface of the scope of the front end on rear portion floor, and a pair of bottom stiffeners are interlinked.
Now, a pair of rear ends of bottom stiffener add with the front end of top stiffener on bottom stiffener and top Strong component clips channel part and anterior floor and is soldered at least one position in the state of three pieces of overlaps.
Also include the top of covering channel part until the passage of the position Chong Die with the top edge of bottom stiffener is strengthened Component, the passage stiffener is respectively relative to bottom and strengthens structure by the edge part in two outsides of the direct of travel along vehicle The top edge of part clips channel part and is soldered at least one position under three pieces of shape bodies of overlap.
Invention effect
Vehicle according to the invention deck construction, the anterior floor that channel part is extended with the both sides being connected to channel part Bottom stiffener be configured to V-shaped with the mode close to each other in vehicle-width direction towards upwardly curved. Therefore, even if in the case of the impact load that vehicle is subject to deflection by front dislocation collision, the rigidity of channel part passes through Bottom stiffener and increase, and a pair of bottom stiffeners are configured as V-shaped towards upwardly curved, so also can Suppress the rear protuberance on anterior floor.
In addition, according to the vehicle floor construction of the invention of top stiffener is also included, to link as direction is bent up Pars convoluta and the mode of bottom stiffener close to each other in vehicle-width direction configures top stiffener, so via top The impact load that stiffener passes through dislocation collision and is input on the bias to the bottom stiffener of opposition side, can mitigate Unilateral impact load.Now added a pair of bottoms with the front end of top stiffener according to a pair of rear ends of bottom stiffener The cars of the invention that strong component and top stiffener clip channel part and anterior floor and be soldered in the state of three pieces of overlaps Deck construction, bottom stiffener is directly engaged with top stiffener, rigidity and then is increased.
In addition, according to the vehicle floor construction of the invention of passage stiffener is also included, by along vehicle traveling direction The edge part in two outsides clips channel part relative to the top edge of bottom stiffener and three pieces are overlappingly soldered.By by a left side The bottom stiffener of right both sides is directly engaged in passage stiffener and by a pair of bottom stiffener integrations, so that logical The torsion rigidity in road portion increases.Therefore, in the case of being input into the impact load for having deflection by dislocation collision, it is also possible to suppress Anterior floor protuberance deformation.
Brief description of the drawings
Fig. 1 is the stereogram of the vehicle floor construction of an implementation method for representing involved in the present invention.
Fig. 2 is the top view of the vehicle floor construction of Fig. 1.
Fig. 3 is the sectional view constructed along the vehicle floor of the F3-F3 lines in Fig. 2.
Fig. 4 is the sectional view constructed along the vehicle floor of the F4-F4 lines in Fig. 2.
Fig. 5 is the stereogram of the rear end side amplification of the channel part for constructing the vehicle floor of Fig. 1.
Fig. 6 is the stereogram on the corner portion periphery for amplifying the F6 portions in Fig. 5.
Fig. 7 is the sectional view along the corner portion periphery of the F7-F7 lines in Fig. 5.
Specific embodiment
Referring to figs. 1 to the floor panel 1 that Fig. 7 is constructed to the vehicle floor with an implementation method involved in the present invention Illustrate.Fig. 1 is the overall stereogram for representing the floor panel 1 with vehicle floor construction.Floor panel shown in Fig. 1 1 has the channel part 2 configured along the direct of travel of vehicle, and anterior floor 3 extends to its both sides.Floor panel 1 is in a pre-installation Between the anterior floor 3 at portion seat and the rear portion floor 4 for installing pillion, set in the way of the side elevated by one step of rear portion floor 4 Have upwardly curved 5.The floor panel 1 absorbs the impact that frontal collisions cause, and especially suppresses the channel part 2 when collision is misplaced and turns round It is bent to deform like that so as to anterior floor 3 is swelled.
Floor panel 1 shown in Fig. 1 is including under channel part 2, anterior floor 3, upwardly curved 5, rear portion floor 4 and a pair Portion's stiffener 6.Implementation method, is set to the direct of travel of vehicle benchmark and defines " preceding " and " afterwards " for convenience of description, Define " right side " and " left side ", gravity is set to benchmark and define from the occupant's observation for taking the vehicle " on " and D score.Separately Outward, " interior " and " outward " is defined in vehicle-width direction.
Fig. 2 is the top view from anterior floor 3 to upwardly curved 5 scope.As shown in Fig. 2 channel part 2 is along vehicle Direct of travel and be configured in center.Fig. 3 is the sectional view with the vehicle-width direction on anterior floor 3 along channel part 2.As schemed Shown in 2 and Fig. 3, anterior floor 3 is continuous with the lower edge of the left and right sides of channel part 2, is extended to both sides.Fig. 4 is along logical Road portion 2 and the sectional view of upwardly curved 5 vehicle traveling direction.As shown in Fig. 2 and Fig. 4, upwardly curved 5 are formed It is continuous with the rear end of channel part 2 and anterior floor 3, formation is holded up to the upper of channel part 2 upwards from the rear end on anterior floor 3 The antetheca 51 of the height in portion 21.Fig. 1 and rear portion floor 4 rearward extends from upwardly curved 5 as shown in Figure 4.
In addition, as shown in Fig. 2 the floor panel 1 of the vehicle floor construction with present embodiment left and right anterior ground The outside of plate 3 has side door frame 31 respectively.The top edge of each side door frame 31 is engaged in the outward flange on anterior floor 3.And then, tool There is the horizontal stroke of a pair the 1st cross members the 32 and the 2nd for extending to side door frame 31 from channel part 2 to the left and right respectively in vehicle-width direction To part 33.
1st cross member 32 is configured in the forward position on anterior floor 3, and the 2nd cross member 33 is configured in anterior ground Between position rearward, the 1st cross member 32 and upwardly curved 5 of plate 3.1st cross member 32 and the 2nd cross member 33 are all The upper surface on anterior floor 3 is engaged in, is formed as being swelled from anterior floor 3 as shown in Figure 1.Front seat utilize and this 1 cross member 32 and the 2nd cross member 33 are fixed.Upwardly curved 5 clip stiffener 52 as shown in Figure 4, rear Side is bonded to rear cross member 53.
As shown in figure 3, bottom stiffener 6 be engaged in from channel part 2 anteriorly the continuous scope in floor 3, i.e. throughout The side wall 22 of the left and right of channel part 2 and be connected to their anterior floor 3 medial extremity scope lower surface, be provided with one It is right.As shown in Fig. 2 a pair of bottom stiffeners 6 of the setting be configured as with towards upwardly curved 5 in vehicle-width side Upwards so-called " V-shaped " close to each other.As shown in Fig. 2 bottom stiffener 6 is from the 1st cross member with anterior floor 3 Cross the 2nd cross member 33 and extend in 32 adjacent parts.The rear end 61 of bottom stiffener 6 can also extend to and be bent upwards Portion 5.
In the vehicle floor construction of present embodiment, as shown in Fig. 2, Fig. 4 and Fig. 5, floor panel 1 and then including upper Portion's stiffener 7.Fig. 5 is the stereogram on the periphery for integrally representing upwardly curved 5.Top stiffener 7 be engaged in from The rear end 61 of bottom stiffener 6 to the upper surface of the scope of the front end 41 on rear portion floor 4.Specifically, it is engaged in bottom Anterior floor 3 that the rear end 61 of stiffener 6 is located at, positioned at the channel part 2 between them, the both sides of channel part 2 it is upward The antetheca 51 of bending section 5 and the front end 41 on rear portion floor 4.
Now, the front end 71 of the top stiffener 7 on anterior floor 3 and the rear end 61 1 of bottom stiffener 6 are overlapped in Rise and clip 3 three pieces of anterior floor and overlappingly engage (for example, be spot welded).In the present embodiment, using the field by as The spot welding of general joint method makes it carry out the following description in case of engaging.Thus, top stiffener 7 is by one Bottom stiffener 6 is interlinked.In the various figures, three pieces of positions being overlappingly spot welded are represented by T, two is represented by W The position that block is overlappingly spot welded.
As shown in Figure 1 and Figure 2, the floor panel 1 has passage stiffener 8 on the top 21 of channel part 2.Passage adds The top edge that the top 21 of the covering channel part 2 of strong component 8 extends until the inner side along channel part 2 with bottom stiffener 6 62 positions for overlapping.In the passage stiffener 8, channel part is clipped along the edge part 81 in two outsides of the direct of travel of vehicle 62 3 pieces of the top edge that 2 side wall 22 is respectively relative to bottom stiffener 6 is overlappingly spot welded and connects.
As shown in Figure 1, Figure 2 and shown in Fig. 5, the floor panel 1 with vehicle floor construction has:Anterior floor 3 with to The side floor 34 that the mode that upwardly curved 5 two outsides are spread extends;Rear portion floor 4 is connected to by from the side floor 34 Side wall 54 formed be bent upwards transverse part 55.By upwardly curved 5 be bent upwards transverse part 55 and be connected to them before Portion floor 3 and side floor 34 are collectively referred to as corner portion 50.
Fig. 6 is the stereogram being amplified to the periphery for being bent upwards transverse part 55.As shown in fig. 6, engaging on an upper Having spread to side floor 34 with the antetheca 51 from anterior floor 3 and upwardly curved 5 and be bent upwards the side wall of transverse part 55 The corner stiffener 11 that 54 mode is formed.As shown in fig. 6, side door frame 31 extends to the outside on side floor 34.
As shown in Fig. 6 and Fig. 7, the lower surface and side door frame 31 on the anterior floor 3 of corner stiffener 11 are being provided with Between medial surface, lower bracket 12 is bonded to.Fig. 7 is along the lower bracket 12 and the section view on its periphery of vehicle-width direction Figure.Lower bracket 12 is upwardly extended in the side of the antetheca 51 along upwardly curved 5, to support corner portion 50 from below in the way of It is mounted.The part Chong Die with lower bracket 12 of corner stiffener 11 clips anterior floor 3 and side floor 34 and by three pieces Overlappingly it is spot welded.Thus, upwardly curved 5 antetheca 51 is linked to side door frame 31 indirectly.In addition, illustrating in the figure 7 In corner stiffener 11 and the junction surface (three pieces of Chong Die spot welding portion T) of lower bracket 12 just under be sidepiece part 9.
According to such vehicle floor construction for constituting, received in vehicle generation frontal collisions, particularly dislocation collision, from front To any one party deflection to the left and right impact load when, load has the bottom stiffener 6 of impact load side by input Cross part transmission to channel part 2 with upwardly curved 5.Bottom stiffener 6 is configured with a pair with V-shaped, thus also to Transmitted to the bottom stiffener 6 of paired opposition side upper bending section 5.As a result, can be suppressed by applying by bottom stiffener 6 Cause in the shear-type load of channel part 2 distort so as to channel part 2, the side wall 22 of channel part 2 is opened and causes anterior ground laterally Plate 3 swells.
In addition, with present embodiment vehicle floor construction floor panel 1 so that including top stiffener 7, institute One is combined into a pair of the bottom stiffeners 6 for being configured, thus makes rigid increase, dislocation is collided the inclined of generation Oblique impact load is to the overall diffusion of floor panel 1.And, structure is strengthened by the passage on the top 21 with covering channel part 2 Part 8, can be such that the shear-type load for acting on channel part 2 disperses to a pair of bottom stiffeners 6.Now, bottom stiffener 6 Rear end 61 clip anterior floor 3 and by three pieces overlappingly spot welding be connected to the front end 71 of top stiffener 7, thus structure is strengthened in bottom Part 6 is directly engaged with top stiffener 7, in addition, the top edge 62 of bottom stiffener 6 clips the side wall of channel part 2 22 and by three pieces overlappingly spot welding be connected to the edge part 81 of passage stiffener 8, thus bottom stiffener 6 is strengthened with passage Component 8 is directly engaged.As a result, the collision of the deflection that the overall rigidity increase of floor panel 1, and the collision that misplaces is produced is carried Lotus easily from a pair of direction the opposing party transmission of bottom stiffener 6, can suppress the deformation of floor panel 1.
And then, in vehicle floor construction preferably, including corner stiffener 11 and lower bracket 12, institute Agley passed to upwardly curved 5 with the unilateral bottom stiffener 6 of the bottom stiffener 6 by being configured as V-shaped The vehicle-width direction composition of the impact load passed by via corner stiffener 11 and lower bracket 12 from upwardly curved 5 to Side door frame 31 is transmitted.Now, corner stiffener 11 and lower bracket 12 clip anterior floor 3 and side floor 34 and three pieces Overlappingly it is spot welded, easily transmission is imported into upwardly curved 5 impact load.As a result, the rigidity of floor panel 1 and then increasing Plus.
More than, the floor panel 1 to the vehicle floor construction with an implementation method involved in the present invention is carried out Explanation.In the present embodiment, by the way that with bottom stiffener 6, the rigidity increase of floor panel 1 is prevented from anterior ground Plate 3 swells such deformation.Top stiffener 7, passage stiffener 8, corner stiffener 11 and lower bracket 12 are entered And improve the effect for being provided with bottom stiffener 6 and producing.In addition, not changing the invention plus stiffener other than the above Essence.In the present embodiment, for the mutual engagement of component, the technology contents using spot welding are carried out as one Explanation, but it is not limited to spot welding.Method as each component is engaged, except by TIG weld, MIG welding, Laser Welding Beyond the welding such as connecing and engaging it, as long as bond strength can be obtained fully, welding is not limited to, it is also possible to by bonding And/or other methods such as soldering engage it.
Symbol description
1 ... (there is vehicle floor construction) floor panel
2 ... channel part 21 ... tops
22 ... the anterior floors of side wall 3 ...
4 ... rear portions floor 5 ... are upwardly curved
55 ... are bent upwards transverse part 6 ... bottom stiffener
61 ... rear end 62 ... top edges
7 ... top stiffener 71 ... front ends
8 ... passage stiffener 81 ... edge parts.

Claims (6)

1. a kind of vehicle floor is constructed, it is characterised in that including:
Channel part, center is configured at along the direct of travel of vehicle;
Anterior floor, extends to the both sides of the channel part;
It is upwardly curved, it is consecutively formed at the rear end on the channel part and the anterior floor;
Rear portion floor, upwardly curved rearward extends from described;And
A pair of bottom stiffeners, are engaged in the lower surface from the channel part to the anterior continuous scope in floor,
The bottom stiffener is configured to close to each other in vehicle-width direction towards described upwardly curved.
2. vehicle floor according to claim 1 is constructed, it is characterised in that
The vehicle floor construction includes top stiffener, and the top stiffener is engaged in from the bottom stiffener Rear end to the upper surface of the scope of the front end on the rear portion floor, the top stiffener by described in a pair bottom strengthen structure Part interlinks.
3. vehicle floor according to claim 2 is constructed, it is characterised in that
The channel part and the anterior floor are clipped in the bottom stiffener and the top stiffener and three pieces In the state of overlap, the rear end of the bottom stiffener is welded with the front end of the top stiffener at least one position Connect.
4. vehicle floor according to claim 1 is constructed, it is characterised in that
Vehicle floor construction includes passage stiffener, the top of the passage stiffener covering channel part until The position Chong Die with the top edge of the bottom stiffener,
The passage stiffener is respectively relative to the bottom by the edge part in two outsides in the direct of travel along vehicle The top edge of stiffener clips the channel part and is soldered at least one position in the state of three pieces of overlaps.
5. vehicle floor according to claim 2 is constructed, it is characterised in that
Vehicle floor construction includes passage stiffener, the top of the passage stiffener covering channel part until The position Chong Die with the top edge of the bottom stiffener,
The passage stiffener is respectively relative to the bottom by the edge part in two outsides in the direct of travel along vehicle The top edge of stiffener clips the channel part and is soldered at least one position in the state of three pieces of overlaps.
6. vehicle floor according to claim 3 is constructed, it is characterised in that
Vehicle floor construction includes passage stiffener, the top of the passage stiffener covering channel part until The position Chong Die with the top edge of the bottom stiffener,
The passage stiffener is respectively relative to the bottom by the edge part in two outsides in the direct of travel along vehicle The top edge of stiffener clips the channel part and is soldered at least one position in the state of three pieces of overlaps.
CN201580055729.1A 2014-10-14 2015-10-09 Vehicle floor construction Active CN106794879B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2014-209841 2014-10-14
JP2014209841A JP6421534B2 (en) 2014-10-14 2014-10-14 Vehicle floor structure
PCT/JP2015/078816 WO2016060090A1 (en) 2014-10-14 2015-10-09 Vehicle floor structure

Publications (2)

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CN106794879A true CN106794879A (en) 2017-05-31
CN106794879B CN106794879B (en) 2019-04-19

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CN201580055729.1A Active CN106794879B (en) 2014-10-14 2015-10-09 Vehicle floor construction

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JP (1) JP6421534B2 (en)
CN (1) CN106794879B (en)
BR (1) BR112017007820A2 (en)
PH (1) PH12017500703B1 (en)
RU (1) RU2660199C1 (en)
WO (1) WO2016060090A1 (en)

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CN111942479A (en) * 2019-05-15 2020-11-17 马自达汽车株式会社 Lower vehicle body structure of electric vehicle
CN112955369A (en) * 2018-11-06 2021-06-11 日本制铁株式会社 Floor tunnel
CN113212563A (en) * 2020-02-05 2021-08-06 丰田自动车株式会社 Vehicle structure

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JP6743584B2 (en) * 2016-08-26 2020-08-19 日産自動車株式会社 Vehicle battery mounting structure
JP6881404B2 (en) * 2018-08-13 2021-06-02 マツダ株式会社 Lower body structure
JP7464561B2 (en) * 2021-04-05 2024-04-09 トヨタ自動車株式会社 Vehicle body

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CN111942479A (en) * 2019-05-15 2020-11-17 马自达汽车株式会社 Lower vehicle body structure of electric vehicle
CN113212563A (en) * 2020-02-05 2021-08-06 丰田自动车株式会社 Vehicle structure
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Publication number Publication date
CN106794879B (en) 2019-04-19
JP2016078539A (en) 2016-05-16
BR112017007820A2 (en) 2018-01-16
WO2016060090A1 (en) 2016-04-21
JP6421534B2 (en) 2018-11-14
PH12017500703A1 (en) 2017-10-09
RU2660199C1 (en) 2018-07-05
PH12017500703B1 (en) 2017-10-09

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