CN102656098A - Package made of flexible material with tearing opening - Google Patents

Package made of flexible material with tearing opening Download PDF

Info

Publication number
CN102656098A
CN102656098A CN2010800351718A CN201080035171A CN102656098A CN 102656098 A CN102656098 A CN 102656098A CN 2010800351718 A CN2010800351718 A CN 2010800351718A CN 201080035171 A CN201080035171 A CN 201080035171A CN 102656098 A CN102656098 A CN 102656098A
Authority
CN
China
Prior art keywords
packaging body
advance
mentioned
tearing
cutting
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.)
Pending
Application number
CN2010800351718A
Other languages
Chinese (zh)
Inventor
F·戈利奥
G·博蒂尼
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.)
Goglio SpA
Original Assignee
Goglio SpA
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 Goglio SpA filed Critical Goglio SpA
Publication of CN102656098A publication Critical patent/CN102656098A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52Details
    • B65D75/58Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/66Inserted or applied tearing-strings or like flexible elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52Details
    • B65D75/58Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5805Opening or contents-removing devices added or incorporated during package manufacture for tearing a side strip parallel and next to the edge, e.g. by means of a line of weakness

Abstract

There is disclosed a package for granular, pasty or liquid products, provided with a tearing opening, wherein at said tearing opening, on the inside of the package, there is applied a strip (3) pre-cut in two slices (4, 5) by a separation line (6) which extends parallel to the upper edge (2) of the package, so that during tearing the tear proceeds straight along said separation line (6).

Description

The packaging body of processing by flexible material with tearing notch
Technical field
The present invention relates to the packaging body (product that is used for graininess, paste and liquid) that a kind of flexible material is processed, it is provided with the portion of tearing or tearing notch.
Background technology
The type that packing physical efficiency according to the present invention is an any known like the erected package body, is a self-supporting during immediate shipment filled with product, and this packaging body has the bottom of reinforcement, extends from the bottom along lateral edges and thermosealed two sidewalls of top edge; Perhaps, can be parallelepiped pack body with upper and lower bellows closure.
Packaging body with the above-mentioned type of tearing notch, or other analogue near the upper limb of packaging body, in the one of which side, have otch or recess, to promote tearing of material, tear the upper limb that should be parallel to packaging body and carry out, and this can not realize usually.
In order to attempt to form straight packaging body cuts, the suggestion cuts goes up usually through laser formation at the skin (for example polyester) of (the formation packaging body) common multilayer material.
Yet, such situation can take place: be formed on the recess that the promotion on packaging body one side tears and ideally do not align with the laser cuts, cause the cuts of offset straight, even promote the recess of tearing ideally to align with cuts, also above-mentioned situation can take place.
In order to overcome above-mentioned defective to a certain extent, also suggestion forms two laser cuts that parallel spacing is 3-4mm, promotes the recess of tearing to be arranged between two laser cuts and between them, tears guaranteeing.
In addition, owing to need laser system is installed, these system costs of prior art are also high.
Also should consider except cutting skin, to cut whole packaging body in addition, or therefore the cutting intermediate barrier layers also loses the risk of barrier effect if set wrong laser power.
US5552202 discloses a kind of guiding device of tearing of the body that is used to unpack, and the said guiding device of tearing comprises a pair of relative base band and a pair of relative pilot tape of tearing.Base band is made up of elastic polymer material, is made up of rigidity or tough and tensile polymeric material and tear pilot tape, and its pulling strengrth is much higher than the elastomeric material of base band.The rigid polymer material of tearing pilot tape is guaranteed to tear pilot tape and is separated fully with corresponding base band, and this rigid material provides necessary main body (mass) for combining fracture (bond rupture).
Summary of the invention
The objective of the invention is to guarantee that in opening stage the packaging body of fully directly tearing overcomes the defective in the said system of prior art through providing a kind of.
Another object of the present invention provides a kind of packaging body with tearing notch of simple and low cost of manufacture.
These purposes are through realizing according to packaging body according to the present invention, and the inboard at the sidewall of packaging body near the upper limb, has bar, and said end wise precuts two arrow gauges that become to be heat-sealing to said wall.The recess that the promotion of aliging with the precut line of bar is torn is advantageously provided a lateral edges place at packaging body.
By this way, when packaging body is opened, when opposite pulling force is applied to the arrow gauge of two separation of bar, tears along defiber and carry out as the crow flies, because the existence of arrow gauge material has prevented to depart from from said line, arrow gauge is torn subsequently.
Description of drawings
Through following detailed description, with reference to pure exemplary and be non-restrictive example (shown in the drawings) therefore, further aspect of the present invention will be more clear, wherein:
Fig. 1 is the in-to-in plan view of cross cutting blank, can obtain the packaging body that has tearing notch according to of the present invention through the cross cutting blank;
Fig. 2 is the enlarged view in upper right bight of the cross cutting blank of Fig. 1;
Fig. 3 and 4 diagrammatically shows two continuous stages of formation according to packaging body of the present invention;
Fig. 5 is the enlarged drawing of details of the packaging body of Fig. 4;
Fig. 6 is the view that is similar to Fig. 5, shows the beginning in the stage of tearing.
The specific embodiment
With reference to Fig. 4; A pure exemplary packaging body (representing with Reference numeral 10) has the shape of parallelepiped substantially, and has diapire or substrate 11, roof 12; Antetheca 13; Rear wall 14 and two sidewalls 15 and 16, the system of tearing of the present invention can put on this packaging body, and the present invention will be described in greater detail below.
This packaging body is processed (having heat-sealable internal layer) by the multi-layer sheet band; Packaging body is provided along the axle that vertically is provided with usually; Packaging body is closed around axle through vertical weld portion S; So that form pipe (should manage at base seal through the SI of transverse heat seal portion, the SI of this transverse heat seal portion is with bellows folding part (bellows fold) F1 (Fig. 4)), after cutting suitable length, form packaging body 10.
Pipe is a bag shape at base seal, is full of granular, the paste or the liquid product of scheduled volume, and through other transversal welds, so SP with thereby the bellows folding part F2 that forms seal substantially at the top.
Fig. 1 shows the expansion situation of the packaging body of observing internally 10, has fold line with the packaging body shown in the acquisition.
As described, the material that forms packaging body is multilayer material normally, and it has heat-sealable internal layer, for example the barrier layere of poly-vinyl and possible centre, for example aluminium.Skin is polyester advantageously.
According to the present invention; Upper limb 2 near cross cutting blank 1; Below the zone that forms top weld portion SP, bar 3 (vertically cut in half in advance or arrow gauge 4,5 along line of cut 6, the upper limb 2 that this line of cut is parallel to cross cutting blank 1 or packaging body 10 extends) is arranged on the inboard of cross cutting blank.
Bar or be with 3 all to be heat-sealable on both sides so that can be heat-sealing to the inwall of packaging body 10, and allows to form weld portion, and to obtain the tight seal of packaging body, vertically weld portion S is in the zone that bar is applied in rightly in this case.
Bar 3 is advantageously also processed by the multilayer chip material, and heat-sealable skin is a poly-vinyl or derivatives thereof for example.
Bar 3, or, be arranged on the inboard of packaging body 10 through two arrow gauges 4,5 that vertical line of cut 6 separates, on relative antetheca 13 and rear wall 14, as shown in Figure 3 at least.
Recess 20 (aiming at (Fig. 5) with the line of cut 6 of bar 3) forms at a lateral edges place of packaging body, to tear parts as promotion.
For the body of unpacking, through at the upper limb of packaging body along opposite direction pulling, at arrow gauge 4,5 places of bar 3, along very straight the tearing that realizes the packaging body material at arrow gauge 4, defiber 6 between 5, like what roughly illustrate among Fig. 6.
The rectilinearity of tearing of packaging body guarantees that through two arrow gauges 4, defiber 6 between 5 this has formed to tear and has received to compel the track of ground along its extension.
In fact, any from this defiber 6 tear depart from and all mean one that will tear two arrow gauges 4,5, this is can not take place very much, because must overcome the resistance of the material of arrow gauge.
The present invention accomplishes the end in view, even the bar of cutting in advance 3 has minimum thickness, but obviously its thickness is big more, can guarantee that more the defiber of tearing along bar 6 carries out.
The applicant has accomplished repeatedly test and can confirm the perfect performance of tearing system according to of the present invention on polytype packaging body.
Thereby, for example, in the packaging body shown in the accompanying drawings; Can confirm not tear special problem to occur; Even in the zone that receives vertical weld portion S influence, though stacked in this region material, the defiber 6 between arrow gauge 4 and 5 under any circumstance all exists.
In the accompanying drawings; Whole horizontal length along packaging body provides the bar of cutting in advance 3; But obviously it can provide (particularly under the situation of body that do not need to unpack fully) in presumptive area, and presumptive area is relative in the packaging body that is shaped, and preferably reaches the lateral edges of packaging body.
Though the packaging body of the parallelepiped that is obtained by the pipe with vertical S shape weld portion illustrates in the drawings; But can be applied to the packaging body of other type according to the system of tearing of the present invention; For example have along the packaging body of " fin " shape sealing of four vertical edges of packaging body, and the erected package body etc.
Clearly, describe above the present invention is not limited to and accompanying drawing shown in specific embodiment, those skilled in the art can be in its scope make multiple change on to details, and do not deviate from the scope of being set forth in the appended claim of the present invention.
Claims (according to the modification of the 19th of treaty)
1. packaging body of processing by flexible material; The upside of said packaging body is through being positioned at or near weld portion (SP) sealing of the upper limb (2) of said packaging body; And said packaging body is provided with tearing notch in the below of said weld portion (SP); It is characterized in that the bar of being processed by sheet material (3) is applied to said port tearing position, in said weld portion (SP) below and inboard at said packaging body, said is cut in half or arrow gauge (4) (5) along defiber (6) in advance; The said upper limb (2) that said defiber is parallel to said packaging body extends, and carries out so that in the process of tearing, tear along said defiber (6).
2. packaging body according to claim 1, said (3) of wherein cutting in advance are applied on the relative wall of said packaging body (10).
3. packaging body according to claim 1 and 2 is characterized in that, said (3) of cutting in advance engage the whole length or the part of said packaging body (10).
4. according to the described packaging body of above-mentioned each claim, it is characterized in that, promote that tear recess (20) is arranged on the lateral edges of said packaging body, align with said defiber (6) between the arrow gauge (4) (5) of said (3) of cutting in advance.
5. according to the described packaging body of above-mentioned each claim; It is characterized in that; The both sides of said (3) of cutting in advance all are heat-sealable, thus can be in said packaging body (10) heat seal and in the zone of said weld portion setting the permission weld portion carry out sealing to packaging body.
6. according to the described packaging body of above-mentioned each claim, it is characterized in that said packaging body is processed by multilayer material, wherein internal layer is by heat-sealable material, and for example poly-vinyl is processed.
7. according to the described packaging body of above-mentioned each claim, it is characterized in that said (3) of cutting are in advance processed by multi-layer sheet, its ectomesoderm is by heat seal mateiral, and for example the poly-vinyl or derivatives thereof is processed.
8. according to the described packaging body of above-mentioned each claim, said packaging body is the parallelepiped shape with lower bellows closure (F1) and upper bellows closure (F2).
9. according to each described packaging body among the claim 1-7, wherein said packaging body (10) is a vertical type.
10. according to the described packaging body of above-mentioned each claim, said packaging body is suitable for material that holds graininess, paste, liquid etc.

Claims (10)

1. packaging body of processing by flexible material; The upside of said packaging body is through being positioned at or near weld portion (SP) sealing of the upper limb (2) of said packaging body; And said packaging body is provided with tearing notch in the below of said weld portion (SP); It is characterized in that the bar of being processed by sheet material (3) is applied to said port tearing position and inboard at said packaging body, said is cut into two arrow gauges (4) (5) in advance along defiber (6); The said upper limb (2) that said defiber is parallel to said packaging body extends, and carries out so that in the process of tearing, tear along said defiber (6).
2. packaging body according to claim 1, said (3) of wherein cutting in advance are applied on the relative wall of said packaging body (10).
3. packaging body according to claim 1 and 2 is characterized in that, said (3) of cutting in advance engage the whole length or the part of said packaging body (10).
4. according to the described packaging body of above-mentioned each claim, it is characterized in that, promote that tear recess (20) is arranged on the lateral edges of said packaging body, align with said defiber (6) between the arrow gauge (4) (5) of said (3) of cutting in advance.
5. according to the described packaging body of above-mentioned each claim; It is characterized in that; The both sides of said (3) of cutting in advance all are heat-sealable, thus can be in said packaging body (10) heat seal and in the zone of said weld portion setting the permission weld portion carry out sealing to packaging body.
6. according to the described packaging body of above-mentioned each claim, it is characterized in that said packaging body is processed by multilayer material, wherein internal layer is by heat-sealable material, and for example poly-vinyl is processed.
7. according to the described packaging body of above-mentioned each claim, it is characterized in that said (3) of cutting are in advance processed by multi-layer sheet, its ectomesoderm is by heat seal mateiral, and for example the poly-vinyl or derivatives thereof is processed.
8. according to the described packaging body of above-mentioned each claim, said packaging body is the parallelepiped shape with lower bellows closure (F1) and upper bellows closure (F2).
9. according to each described packaging body among the claim 1-7, wherein said packaging body (10) is a vertical type.
10. according to the described packaging body of above-mentioned each claim, said packaging body is suitable for material that holds graininess, paste, liquid etc.
CN2010800351718A 2009-08-07 2010-08-02 Package made of flexible material with tearing opening Pending CN102656098A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITMI2009A001446 2009-08-07
ITMI2009A001446A IT1395150B1 (en) 2009-08-07 2009-08-07 PACKAGE IN FLEXIBLE MATERIAL WITH OPENING AT RIPPO
PCT/EP2010/061236 WO2011015564A1 (en) 2009-08-07 2010-08-02 Package made of flexible material with tearing opening

Publications (1)

Publication Number Publication Date
CN102656098A true CN102656098A (en) 2012-09-05

Family

ID=42035554

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010800351718A Pending CN102656098A (en) 2009-08-07 2010-08-02 Package made of flexible material with tearing opening

Country Status (7)

Country Link
US (1) US20120125934A1 (en)
EP (1) EP2462036B1 (en)
JP (1) JP2013500911A (en)
CN (1) CN102656098A (en)
BR (1) BR112012002675A2 (en)
IT (1) IT1395150B1 (en)
WO (1) WO2011015564A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103863672A (en) * 2012-12-07 2014-06-18 上海艾录纸包装有限公司 Heat seal paper bag with ultra-large-area hot melt glue
CN105584726A (en) * 2015-06-02 2016-05-18 北京康思润业生物技术有限公司 Packaging body with tearing opening
CN106115078A (en) * 2016-08-09 2016-11-16 海宁市粤海彩印有限公司 Easily tear composite soft packaging and manufacture method thereof
CN113039133A (en) * 2018-12-03 2021-06-25 比朔夫+霍莱恩欧洲股份及合伙两合公司 Bag and film tube for producing such a bag

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI617496B (en) * 2011-05-16 2018-03-11 Kao Corp Bag
USD896633S1 (en) 2019-01-29 2020-09-22 Golden State Foods Corp. Container
USD896634S1 (en) 2019-01-29 2020-09-22 Golden State Foods Corp. Container

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1147846A (en) * 1967-01-17 1969-04-10 Tower Packaging Company Improvements in or relating to packaging and packaging materials
US3780781A (en) * 1971-09-07 1973-12-25 Seisan Nipponsha Kk Openable bag
US5552202A (en) * 1995-07-11 1996-09-03 Reynolds Consumer Products Inc. Tear guide arrangement
US5660479A (en) * 1996-02-16 1997-08-26 Reynolds Consumer Products Inc. Easy open package header
GB2332900A (en) * 1998-01-05 1999-07-07 Tecksom International Limited Easy-tearing packages
CN1222473A (en) * 1998-01-05 1999-07-14 特克逊国际有限公司 Easy tearing bags and packaging meterial
US20050281490A1 (en) * 2004-06-17 2005-12-22 Schneider John H Header end tack seal for reclosable package
CN1759046A (en) * 2003-03-17 2006-04-12 株式会社细川洋行 Fastener bag
US20080031552A1 (en) * 2004-05-21 2008-02-07 Kenichi Tanaka Chuck Tape and Packaging Bag with Chuck Tape
US20080063321A1 (en) * 2001-12-28 2008-03-13 Pechiney Emballage Flexible Europe Scored Package And A Method Of Making The Same
DE202008015097U1 (en) * 2008-11-14 2009-01-29 Nordenia Deutschland Halle Gmbh Tear-open aid for PE peat bags

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56113545A (en) * 1980-02-15 1981-09-07 Toyo Seikan Kaisha Ltd Baggy vessel which is easily unsealed
JPH0617723Y2 (en) * 1989-01-06 1994-05-11 株式会社細川洋行 Reclosable packaging bag for retort food
JP2004276955A (en) * 2003-03-14 2004-10-07 Fuji Seal Inc Pouch container
JP2009149314A (en) * 2007-12-19 2009-07-09 Mishima Shokuhin Kk Tear-open packaging bag and manufacturing method
US8540427B2 (en) * 2008-03-07 2013-09-24 Mark Steele Gusseted package with impact barrier

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1147846A (en) * 1967-01-17 1969-04-10 Tower Packaging Company Improvements in or relating to packaging and packaging materials
US3780781A (en) * 1971-09-07 1973-12-25 Seisan Nipponsha Kk Openable bag
US5552202A (en) * 1995-07-11 1996-09-03 Reynolds Consumer Products Inc. Tear guide arrangement
US5660479A (en) * 1996-02-16 1997-08-26 Reynolds Consumer Products Inc. Easy open package header
GB2332900A (en) * 1998-01-05 1999-07-07 Tecksom International Limited Easy-tearing packages
CN1222473A (en) * 1998-01-05 1999-07-14 特克逊国际有限公司 Easy tearing bags and packaging meterial
US20080063321A1 (en) * 2001-12-28 2008-03-13 Pechiney Emballage Flexible Europe Scored Package And A Method Of Making The Same
CN1759046A (en) * 2003-03-17 2006-04-12 株式会社细川洋行 Fastener bag
US20080031552A1 (en) * 2004-05-21 2008-02-07 Kenichi Tanaka Chuck Tape and Packaging Bag with Chuck Tape
US20050281490A1 (en) * 2004-06-17 2005-12-22 Schneider John H Header end tack seal for reclosable package
DE202008015097U1 (en) * 2008-11-14 2009-01-29 Nordenia Deutschland Halle Gmbh Tear-open aid for PE peat bags

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103863672A (en) * 2012-12-07 2014-06-18 上海艾录纸包装有限公司 Heat seal paper bag with ultra-large-area hot melt glue
CN105584726A (en) * 2015-06-02 2016-05-18 北京康思润业生物技术有限公司 Packaging body with tearing opening
CN105584726B (en) * 2015-06-02 2019-08-16 北京康思润业生物技术有限公司 Package body with tearing notch
CN106115078A (en) * 2016-08-09 2016-11-16 海宁市粤海彩印有限公司 Easily tear composite soft packaging and manufacture method thereof
CN106115078B (en) * 2016-08-09 2018-10-09 海宁市粤海彩印有限公司 Easily tearing composite soft packaging and its manufacturing method
CN113039133A (en) * 2018-12-03 2021-06-25 比朔夫+霍莱恩欧洲股份及合伙两合公司 Bag and film tube for producing such a bag

Also Published As

Publication number Publication date
ITMI20091446A1 (en) 2011-02-08
US20120125934A1 (en) 2012-05-24
JP2013500911A (en) 2013-01-10
WO2011015564A1 (en) 2011-02-10
WO2011015564A4 (en) 2011-04-21
BR112012002675A2 (en) 2017-10-17
IT1395150B1 (en) 2012-09-05
EP2462036B1 (en) 2017-11-29
EP2462036A1 (en) 2012-06-13

Similar Documents

Publication Publication Date Title
CN102656098A (en) Package made of flexible material with tearing opening
RU2660297C2 (en) Package
EP2707308B1 (en) Reclosable flexible film packaging and methods of manufacture
RU2561894C2 (en) Easy-open and re-sealed flexible film packages and methods of manufacturing
CN102666292B (en) The seal-packed packaging material for packing and producing for pourable food product for pourable food product
US9156582B2 (en) Carton with opening feature
US10022943B2 (en) Package material blank and method of forming the same
EP2930123A1 (en) Cushioning package
US20160340099A1 (en) Packaging container with opening device and method for manufacturing the same
CN102648133A (en) Carton with plastic reclosable header
RU2011106511A (en) FOOD PACKAGING, METHOD FOR OPENING AND OPENING ELEMENT
US9809371B2 (en) Easy tear package
US9174765B2 (en) Carton with pressure control feature
US20160068323A1 (en) Recloseable Stand-Up Flexible Packages
JP6090563B2 (en) Easy-open packaging bag
NO338817B1 (en) Cardboard box with folded extension tips
KR20170048437A (en) Packaging film and method of manufacturing same
US4720015A (en) Moisture-proof, linerless carton with reclosable top membrane
JP2023506756A (en) Packaging materials for forming packaging containers and packaging containers formed from packaging materials
CN101360655B (en) Package adapted to receive an opening device
US20100124385A1 (en) Method to manufacture fastening assemblies comprising lumens, method to form bags, corresponding strip of assemblies, and corresponding bags
SE451317B (en) pACKING
EP2917131B1 (en) A wrapper for a food product
RU2754017C2 (en) Method for opening packaging for consumer goods and packaging for consumer goods, as well as method for manufacturing such packaging
WO2018087334A1 (en) Reinforced resealable container for consumer articles

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C05 Deemed withdrawal (patent law before 1993)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20120905