CN101842197A - Razor with floatably secured shaving blade member - Google Patents

Razor with floatably secured shaving blade member Download PDF

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Publication number
CN101842197A
CN101842197A CN200880113974A CN200880113974A CN101842197A CN 101842197 A CN101842197 A CN 101842197A CN 200880113974 A CN200880113974 A CN 200880113974A CN 200880113974 A CN200880113974 A CN 200880113974A CN 101842197 A CN101842197 A CN 101842197A
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China
Prior art keywords
shaving blade
shaving
blade members
unit
members
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Granted
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CN200880113974A
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Chinese (zh)
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CN101842197B (en
Inventor
R·S·埃文斯
S·L·罗尔
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Gillette Co LLC
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Gillette Co LLC
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/08—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor involving changeable blades
    • B26B21/14—Safety razors with one or more blades arranged transversely to the handle
    • B26B21/22—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously
    • B26B21/222—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously with the blades moulded into, or attached to, a changeable unit
    • B26B21/227—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously with the blades moulded into, or attached to, a changeable unit with blades being resiliently mounted in the changeable unit

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  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)

Abstract

A shaving blade unit (10) comprising a shaving cartridge (15) having a floatably secured shaving blade member (20) wherein said cartridge comprises: a) a housing (25) with a front wall (26), a rear wall (27), and opposing side walls (28) extending between said front and rear walls; b) said shaving blade member having opposing ends (21) with a shoulder (22) at each end and wherein said shoulder rests along said side wall and wherein a cutting edge (23) of said shaving blade member is facing a front surface (25a) of said housing; c) a resilient member (30) disposed rearward of said shaving blade member and that is secured by a shaving blade member retainer (35); and wherein said resilient member provides a forward biasing force to said shaving blade member such that said contact between said shoulder and said side wall is at least maintained when said unit is removed from a skin surface during shaving.

Description

Razor with the fixing shaving blade members that floats
Invention field
The present invention relates to a kind of wet razor of shaving that is suitable for, wherein said razor comprises blade holder, and described blade holder comprises that the fixing shaving blade members that floats is to provide suitable shape shaving.
Background of invention
In the past few years, the number of blades that is encased in the wet-shaving razor is increasing always.Understood this increase and be and attempted to provide the shaving of veneer more to strengthen the shaving comfort to the user simultaneously in that pretective acreage is also already added.Although have this advantage of comfort of this increase, it also is attended by the user and just more is difficult to see incident defect at the skin surface of shaving.Therefore, thisly can't see that the shaving zone makes more accurate shaving more be difficult to realize.In addition, the razor of most sale has and still comprises intermediate plate so that the shaving blade is fixed on the blade holder shell at the corresponding vertically end of blade holder.Yet the user feels that these intermediate plates also make the shaving inaccuracy easily, because they have blocked the sight line of some part of the skin surface for the treatment of shaving.Yet the intermediate plate of the razor of commercially available acquisition plays the shaving blade is remained fixed to important function on the razor cartridge.
Clearly, exist the needs that following shaving product is provided to the consumer, described shaving is produced and is considered that the exposure that improves the skin for the treatment of shaving is not so that can exist worry for the accuracy of security or final shaving owing to the cause of block vision.Still exist efficient for the contact area of the skin surface on the shaving surface of improving razor so that same contact area is equal to the additional demand in the zone of wherein wanting the shaving hair as much as possible.
Summary of the invention
The present invention relates to a kind of shaving blade unit that comprises the shaving blade holder with the fixing shaving blade members that floats, wherein said shaving blade holder comprises:
A. shell, the opposing sidewalls that described shell has antetheca, rear wall and extends between described antetheca and rear wall;
B. described shaving blade members has the opposite end that wherein has shoulder at each end, and wherein said shoulder settles along described sidewall, and the cutting blade of wherein said shaving blade members is in the face of the front surface of described shell;
C. elastic component, described elastic component is arranged on the back of described shaving blade members and is fixed by shaving blade members retainer; And
Wherein said elastic component provides bias force forward for described shaving blade members, makes to keep described contact between described shoulder and the described sidewall at least when removing described shaving blade unit during the shaving from skin surface.
Summary of drawings
Fig. 1 is the bottom perspective view of shaving blade unit of the present invention.
Fig. 2 is the top perspective of Fig. 1 unit.
Fig. 3 to 5 shows the various retainers of the razor blade unit that is subjected to claims protection that matches with its profile separately and the top plan view of elastic component configuration.
Fig. 6 is the top plan view of the another kind of blade holder of shaving blade unit of the present invention, and wherein elastic component is circular and independent rear portion of admitting against each shaving blade members.
Fig. 7 a and 7b are the top plan view and the profiles of one of retainer shown in Figure 6.
Fig. 8 shows a kind of sectional side view in Fig. 1 and 2 retainer.
Fig. 9 is the bottom perspective view of the alternative embodiment of shaving blade unit of the present invention.
Figure 10 is the top perspective of Fig. 9 unit.
Detailed Description Of The Invention
The present invention relates to a kind of shaving blade unit shown in Fig. 1 and 2 and Fig. 9 and 10.In Fig. 1 and 2, shaving blade unit 10 comprises the shaving blade holder 15 with the fixing shaving blade members 20 that floats, simultaneously shaving blade holder 15 comprise have antetheca 26, the shell 25 of rear wall 27 and the opposing sidewalls 28 of between described antetheca and rear wall 26,27, extending.Shaving blade members 20 has the end 21 relatively that has shoulder 22 at each terminal 21 place.Each shoulder 22 is settled along described sidewall 28 separately, and wherein the cutting blade 23 of shaving blade members 20 is in the face of the front surface 25a of shell 25.The blade holder 15 additional elastic components 30 that comprise the back that is arranged on shaving blade members 20.This elastic component 30 is fixed to the rear surface 25b of shell 25 by shaving blade members retainer 35.Elastic component 30 plays the effect of bias force forward to shaving blade members 20 is provided, make during the shaving when the contact that when skin surface removes unit 10, keeps at least between shoulder 22 and its respective side walls 28.
Shell 25 in the unit 10 inside play shaving blade members 20 carrier effect and can make by injection-moulded plastic.For example, the plastic material of Shi Yonging includes but not limited to Xylex
Figure GPA00001118881700031
Resin (deriving from the Merlon of SABIC Innovative Plastics and the transparent blends of amorphous polyester), Zylar
Figure GPA00001118881700032
(water white styrene methyl methacrylate copolymer, it has passed through impact modified, derives from NOVA Chemicals) and Noryl
Figure GPA00001118881700033
(it is the PPE resin of class modification, is made up of the amorphous state blend of PPO poly (phenylene ether) resin and polystyrene, derives from SABIC Innovative Plastics).Shaving blade members retainer 35 can be by making with shell 25 identical materials.Retainer 35 can separate with shell 25 in addition to be made and is connected thereto, and perhaps can it and shell 25 integral body be made by extrusion molding etc.
Retainer 35 is fixed to elastic component 30 back of shaving blade members 20.Because fixing with retainer 35, elastic component 30 show have shaving between the operating period and the user when not using shaving blade members 20 can apply power relatively-stationary surface thereon.This bias force is used to provide the shaving blade members that can more easily conform to skin surface, but has the suitable specified rate that allows comfortable shaving.Sometimes, when unit during shaving 10 contacted with skin surface, bias force can be enough to keep the contact between shoulder 22 and the adjacent wall 28 forward.
In certain embodiments, retainer 35 comprises the groove 36 that wherein can place elastic component 30.Groove 36 also is fixed on elastic component 30 inside on the blade holder 15.The shape of cross section of groove 36 can be any form, and for example semicircle, rectangle, slit shape, triangle etc. depend on the shape of the most suitable elastic component that provides 30 of what shape.Fig. 4 is presented at the cross section at the x place of Fig. 1, and wherein elastic component is circular.Fig. 3 and 5 is presented at the cross section at the x place of shaving blade unit of the present invention respectively, and wherein elastic component and mating groove comprise rectangle and triangular cross section.As shown in the figure, elastic component 30 can have the shape of cross section of any kind, as long as its shape (when groove 36 exists) that to be the shape with groove be complementary is to provide the compact configuration of two assemblies.In addition, contact elastic component 30 in the rear portion of shaving blade members 20 is to provide bias force.
Elastic component 30 can be made the recovery that has than high responsiveness to provide by many different materials, and described recovery than high responsiveness is the characteristic of this assembly.For example, elastic component 30 is selected from the group of being made up of following: solid or hollow elastic body tubing, rubber tubing, form of foam, coil, spring solid or hollow refer to and their combination.Specifically, elastic component 30 can comprise the single component of its corresponding retainer 35 pairings, and wherein elastic component 30 extends along the length of retainer 35 or the whole substantially length of retainer 35.Alternatively, elastic component 30 can exist a plurality ofly along with single retainer 35, makes single member be arranged on the back of each blade members 20, and wherein 10 inside also exist a plurality of shaving blade members 20 in the unit.For example, have be arranged on blade holder 15 inside by parallel configuration a plurality of shaving blade members (for example, as shown in Figure 6 five) and have the occasion of corresponding three retainers 35 provide support for shaving blade members 20, can have one section solid or hollow elastic body tubing, the groove 36 of an one circular distal (playing the effect of elastic component 30) contact retainer 35 or retainer 35, and admit at the rear portion of the opposite end contact shaving blade members 20 of tubing part.Similarly, second tubing part is arranged on further same retainer length following with the groove of contact retainer or retainer and appropriate section with the first shaving blade members come together second, third, the rear portion of the 4th parallel shaving blade members with the 5th.Fig. 7 a and 7b show the cross section of the single retainer that does not have the shaving blade members of Fig. 6 unit together with same retainer.
Wish that retainer 35 comprises that groove 37 admits at least a portion of shaving blade members 20.Groove 37 can carry out moulding by the Any shape of holding the shaving blade members easily.Shown a plurality of these type of slit connected in stars 37 among Fig. 8, it is the cross section at the y place of Fig. 1.Groove 37 is set at the front of lubricious strip 60, and lubricious strip is arranged on the back of shaving blade members 20.This type of groove 37 can be spaced apart along the length of retainer 35 by constant spacing.When being connected to retainer 35 on the shell 25, length extends to antetheca 26 from the rear wall 27 of retainer 35.Groove 37 can be at about 0.15mm to about 0.25mm, and about 0.16mm is to about 0.23mm, and about 0.17mm is to about 0.21mm, and about 0.17mm is about 0.19mm extremely, and even in about 0.18mm scope.Regardless of groove 37 width, importantly reach and have the degree that does not occupy the zone in groove 37 inside, must adopt step to guarantee that shaving blade members 20 can be mobile with cut-protection skin in groove 37 in the mode that is harmful to when shaving takes place.Can have a plurality of grooves 37 in retainer 35, described groove extends to hold a plurality of shaving blade members 20 along the length of retainer 35.Length along shell 25 also can have two or more shaving blade members retainers 35.Help to strengthen the balance and the support of the shaving blade members that is contained in blade holder 15 inside along a plurality of retainers 35 of the length setting of blade holder.In Fig. 1 and 2, have three retainers 35 that are provided with along the length of blade holder 15.
Just point out in unit 10, to have more than one shaving blade members 20 as top.For example, can have a plurality of for example 2,3,4,5,6,7,8 even more a plurality of blade members 20 that are arranged on inside, unit, wherein their cutting blade 21 placements parallel to each other separately.The shaving blade members 20 that is suitable for can comprise the independent shaving blade that has been bent or join shaving blade on the crooked blade support to.This type of shaving blade members that is suitable for is disclosed in United States Patent (USP) 6804886 and U.S. Patent application 11/400989 and 11/401131.The shaving blade members also can have the cutting blade 23 of identical or tapered end radius, and its latter is disclosed among U.S. Patent Publication 2007/0227008A1,2007/0227009A1, the 2007/0227010A1.In certain embodiments of the invention, have been found that it also is very possible that the opposite end 21 that reduces shaving blade members 20 and the distance between its corresponding adjacent wall 28 are not only useful.Owing to no longer exist its intermediate plate of end 21 places be included in the shaving blade members or direct neighbor member 20 is fixed to the needs on the shell, make this situation become possibility.For example, each of wishing shaving blade members 20 terminal 21 is no more than about 5mm, 4mm, 3mm, 2mm, 1mm, even 0.5mm apart from adjacent wall 28 relatively.Therefore, it is envisaged that various embodiments of the present invention will comprise the unit of the intermediate plate at terminal relatively 21 places that are not arranged on the shaving blade members.
Another aspect of the present invention is the shoulder 22 (as shown in Figure 2) that is positioned at terminal relatively 21 places of each shaving blade members 20.Shoulder 22 is arranged on terminal relatively 21 the otch of shaving blade members at the last comer edge place of member 20.The excision at these shaving blade members 20 edges provide can be easily in abutting connection with and conform to the surface of the sidewall 28 (especially at 25a place, its rear surface) of shell 25.Be particularly useful at shoulder 22 aspect the geometric position that makes shaving blade members 20 can keep stipulating, as described in United States Patent (USP) 6212777.Fixedly be, by realizing and keeping correct blade geometry can obtain more comfortable and the shaving of veneer more.Add in the relative end of shaving blade members shoulder removed for intermediate plate need be to keep blade geometry.This improved design makes processing technology not too complicated, and because raw-material minimizing and removed intermediate plate is fixed to this operation on the blade holder, so its cost is not high yet.It is desirable to, this shoulder can have about 0.5mm to the degree of depth of about 2.0mm and the about 0.5mm width of about 1.5mm (facing the centers of shaving blade members 20 from relative end 21) extremely, and the method in the group of being made up of laser cutting, metal stamping, machine-tooled method and their combination is made.
In most of the cases, unit of the present invention will be equipped with mutually with shank 50 and form spendable razor.Shank 50 removably can be joined to blade holder or can with the blade holder monolithic molding.
Fig. 9 and 10 shows a kind of removable shank that comprises ejector button 45, can push button shank 50 and unit 10 are separated.Also can give blade holder 15 to form unit 10 40 pairings of blade holder cover.Especially under the situation when implementing removable shank, the blade holder cover plays the effect of the tie point between shank 50 and the blade holder 15.Owing to use continuously or the cutting blade 21 that is not intended to damage shaving blade members when rust has been attempted with new blade holder replacement blades frame, it helps to provide operability to shaving person usually at the shaving blade members.
Disclosed herein shaving blade members 20 can be floated is fixed on blade holder 15 inside and may further comprise the steps: shell 25 is provided for blade holder 15, wherein shell 25 comprises antetheca 26, rear wall 27 and the opposing sidewalls 28 of extending between described antetheca and rear wall 26,27; Settle shaving blade members 20 along sidewall 28 at its shoulder 22 places, it has two relative ends 21, wherein has shoulder 22 at each terminal 21 place; Elastic component 30 is placed on the back of shaving blade members 20; With shaving blade members retainer 35 fixedly elastic component 30 and shaving blade members 20; Wherein elastic component 30 provides bias force forward for shaving blade members 20, makes to keep contact between described shoulder 22 and the described sidewall 28 at least when being removed described unit 10 during the shaving by skin surface.
Dimension disclosed herein and value are not intended to be understood that strictly to be limited to described exact value.On the contrary, except as otherwise noted, each such dimension all be meant the numerical value of quoting and the scope that is equal on the function of that numerical value.For example, the dimension that is disclosed as " 40mm " is intended to expression " about 40mm ".
The All Files of quoting in detailed Description Of The Invention all is incorporated herein with way of reference in relevant portion.Should not be interpreted as admitting that for quoting of any file it is relevant prior art of the present invention.When any implication of term in any implication of term among the present invention or definition and the file of incorporating into way of reference or when defining contradiction, should obey the implication or the definition of giving this term in the present invention.
Though illustrated and described particular of the present invention, it will be apparent to one skilled in the art that and under the situation that does not break away from essence of the present invention and scope, can make various other changes and modification.Therefore, claims all such changes and modification of being intended to be included in the scope of the present invention.

Claims (14)

1. shaving blade unit, described shaving blade unit comprise the shaving blade holder with the fixing shaving blade members that floats, and wherein said shaving blade holder comprises:
A. shell, the opposing sidewalls that described shell has antetheca, rear wall and extends between described antetheca and rear wall;
B. described shaving blade members, it has at each end and has the terminal relatively of shoulder, and wherein said shoulder shelves along described sidewall, and the cutting blade of wherein said shaving blade members is in the face of the front surface of described shell; And it is characterized in that described shaving blade holder also comprises:
C. elastic component, described elastic component is arranged on the back of described shaving blade members and is fixed by shaving blade members retainer; And
Wherein said elastic component provides bias force forward for described shaving blade members, makes when the described contact that keeps at least when removing described shaving blade unit during the shaving from skin surface between described shoulder and the described sidewall.
2. shaving blade unit as claimed in claim 1, wherein said retaining member comprise one or more grooves of at least a portion that is used to admit described shaving blade members.
3. shaving blade unit as claimed in claim 2, wherein said one or more grooves are the form of slit.
4. shaving blade unit as claimed in claim 1, wherein said shaving blade holder comprise two or more shaving blade members retainers that are provided with along the length of described shell.
5. shaving blade unit as claimed in claim 4, wherein said shaving blade members retainer is not placed on the side-walls of described shell.
6. it is relatively terminal that shaving blade unit as claimed in claim 1, wherein said shaving blade members have, and at least one and described sidewall in the end relatively of wherein said shaving blade members are no more than about 5mm apart.
7. shaving blade unit as claimed in claim 1, wherein said shaving blade members comprise crooked shaving blade.
8. shaving blade unit as claimed in claim 1, wherein said shaving blade members comprises the shaving blade that joins blade support to.
9. shaving blade unit as claimed in claim 1, wherein said shoulder forms with the method that is selected from the group of being made up of laser cutting, metal stamping, machine-tooled method and their combination.
10. shaving blade unit as claimed in claim 1, wherein said elastic component is in the length recessed channel of described retaining member.
11. shaving as claimed in claim 1 unit, wherein said elastic component are selected from by solid tubing, hollow tubular product, form of foam, elastomer form, coil, spring refers to and their combination is formed group.
12. shaving as claimed in claim 1 unit, wherein said shaving blade unit does not conform to the intermediate plate of the relative end that is arranged on described shaving blade members.
13. shaving blade unit as claimed in claim 1, wherein when described shaving blade unit contacts with skin surface during shaving, described bias force forward is enough to keep the contact between described shoulder and the described sidewall.
14. a shaver, described shaver comprises:
A. shaving blade holder, described shaving blade holder have the fixing shaving blade members that floats, and wherein said shaving blade holder also comprises:
1) opposing sidewalls that shell, described shell have antetheca, rear wall and extend between described antetheca and rear wall;
2) shaving blade members, described shaving blade members have at each end and have the terminal relatively of shoulder, and wherein said shoulder shelves along described sidewall, and the cutting blade of wherein said shaving blade members is in the face of the front surface of described shell;
3) elastic component, described elastic component are arranged on the back of described shaving blade members and are fixed by shaving blade members retainer; And
Wherein said elastic component provides bias force forward for described shaving blade members, makes when in the described contact that keeps at least when skin surface removes described unit during the shaving between described shoulder and the described sidewall; With
B. removably join the shank of described shaving blade holder to.
CN200880113974.3A 2007-11-02 2008-10-30 Razor with floatably secured shaving blade member Active CN101842197B (en)

Applications Claiming Priority (3)

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US159607P 2007-11-02 2007-11-02
US61/001,596 2007-11-02
PCT/IB2008/054518 WO2009057068A1 (en) 2007-11-02 2008-10-30 Razor with floatably secured shaving blade member

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CN101842197A true CN101842197A (en) 2010-09-22
CN101842197B CN101842197B (en) 2013-03-27

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EP (1) EP2219832B1 (en)
JP (1) JP5053439B2 (en)
KR (1) KR20100083163A (en)
CN (1) CN101842197B (en)
AT (1) ATE546261T1 (en)
MX (1) MX2010004762A (en)
RU (1) RU2437754C1 (en)
TW (1) TW200940288A (en)
WO (1) WO2009057068A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105196323A (en) * 2015-09-20 2015-12-30 梁现 Easy-to-clean and easy-to-assemble-and-disassemble novel shaver
WO2020124375A1 (en) * 2018-12-18 2020-06-25 任向荣 Shaving unit and manufacturing method therefor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4378634A (en) * 1979-12-07 1983-04-05 The Gillette Company Razor blade assembly
US4302876A (en) * 1980-03-14 1981-12-01 Warner-Lambert Company Razor blade with inclined edge
HU212399B (en) * 1990-06-11 1996-06-28 Gillette Co Safety razor
US5461781A (en) * 1994-07-01 1995-10-31 Warner-Lambert Company Dynamic shaving system with integral push clean bar and spring member
US20030159291A1 (en) * 1997-07-25 2003-08-28 Gregory Clark Shaving system with uniform shaving forces
US6839968B2 (en) * 2002-05-09 2005-01-11 The Gillette Company Shaving systems
US7621203B2 (en) * 2004-02-09 2009-11-24 The Gillette Company Shaving razors, and blade subassemblies therefor and methods of manufacture
JP4913146B2 (en) * 2005-09-14 2012-04-11 エバレデイ バツテリ カンパニー インコーポレーテツド Blade attachment for leather cartridges
BRPI0621787B1 (en) * 2006-06-20 2019-05-07 Bic-Violex Sa SAFETY BLADE UNIT HEAD AND HEAD INCLUDING SUCH BLADE UNIT

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105196323A (en) * 2015-09-20 2015-12-30 梁现 Easy-to-clean and easy-to-assemble-and-disassemble novel shaver
WO2017045495A1 (en) * 2015-09-20 2017-03-23 梁现 Novel easily cleanable and easily detachable shaver
WO2020124375A1 (en) * 2018-12-18 2020-06-25 任向荣 Shaving unit and manufacturing method therefor

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JP5053439B2 (en) 2012-10-17
ATE546261T1 (en) 2012-03-15
RU2437754C1 (en) 2011-12-27
TW200940288A (en) 2009-10-01
CN101842197B (en) 2013-03-27
WO2009057068A1 (en) 2009-05-07
EP2219832B1 (en) 2012-02-22
KR20100083163A (en) 2010-07-21
JP2011500255A (en) 2011-01-06
MX2010004762A (en) 2010-06-01
EP2219832A1 (en) 2010-08-25

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