CN101823576B - Packaging machine and control method thereof - Google Patents
Packaging machine and control method thereof Download PDFInfo
- Publication number
- CN101823576B CN101823576B CN2010101221713A CN201010122171A CN101823576B CN 101823576 B CN101823576 B CN 101823576B CN 2010101221713 A CN2010101221713 A CN 2010101221713A CN 201010122171 A CN201010122171 A CN 201010122171A CN 101823576 B CN101823576 B CN 101823576B
- Authority
- CN
- China
- Prior art keywords
- web
- packaged
- super sonic
- unit
- packing web
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
- B65B11/06—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths
- B65B11/08—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path
- B65B11/10—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path to fold the wrappers in tubular form about contents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2402/00—Constructional details of the handling apparatus
- B65H2402/50—Machine elements
- B65H2402/52—Bearings, e.g. magnetic or hydrostatic bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/175—Plastic
- B65H2701/1752—Polymer film
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/81—Packaging machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
- Advancing Webs (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
Abstract
The invention relates to a packaging machine and control method thereof. A machine (10) of the invention is used for packaging articles and/or units to be packaged by plane type packaging web materials such a disposable film (14). The machine (10) comprises a guiding unit (12) for packaging web materials and a packaging unit (22) for at least partly packaging articles and/or units to be packaged by packaging web materials, wherein, the packaging web materials are guided by planar, ridging and/or roller-shaped guiding elements and/or are supported by guiding elements at least at some positions. At least one guiding element is constructed to ultrasonic wave supporting units (28, 38). The invention relates to a corresponding method for packaging articles and/or units to be packaged by plane type packaging web materials supported by guiding elements. The guiding elements are constructed to ultrasonic wave supporting units of ultrasonic wave air bearing modes (28, 38).
Description
Technical field
The present invention relates to a kind of wrapping machine and control method thereof.
Background technology
Current wrapping machine is used for for example article to be packaged being wrapped up with packing web (packaging web).Article to be packaged for example can be the bags with a plurality of drinking container with regular arrangement of disposable film packing parcel, utilize described disposable film packing that described bag is stacked on the saddle (pallet), thereby can when storage and transportation, more easily process described bag.Use packaging film by suitable wrapping machine, described wrapping machine helps to utilize the packaging film with the film section of downcutting in advance from continuous web to wrap up each bag to be wrapped.This parcel carries out usually online, and namely the marquis carries out when transmitting described bag, wherein, usually supplies with the film section that is cut into certain-length from the direction in the zone of the transmission height below of described bag, bag is shifted onto on the film section part that forms subsequently the bottom.The film section moves on the transport tape and towards the parcel element by several induction elements and/or steering component and moves, wherein said parcel element movably is positioned the described side of wrapping, and in the time of coated the conveying, the film section is wrapped in described bag around so that described coatedly coat fully more or less.
For example this by wrap up the on-line equipment of the object that may topple over film as can be known from patent documentation DE 42 07 725 C2.
For the reason of performance, be coated on a plurality of circuits conveyings and pass through wrapping machine.Therefore a parcel step is wrapped up at least two parallel bags that wrapped up simultaneously at least in part with packaging film.Therefore, need to used packaging film be divided at least two-way web by the branch apparatus (spreading device) in cutter sweep and downstream.Therefore, the wide film web material that section start provides is divided at least two half ranges, and these half ranges are not interfered with each other to wrap up two bags being carried in parallel with each other by spaced apart fully.Current, usually realize in the following manner the shunt of packaging film: the packaging film that will be divided into the two-way web is pulled through the along separate routes top of roller of rigidity, and described shunt roller is orientated as angled mutually.In order to make the friction between packaging film and the rigid roller minimum, at the part circumference of rigid roller the hole of air-flow from wherein passing through is set.Described part circumference is at least corresponding to the angle of contact of packaging film.Thus, be applied in compressed-air actuated roller and formed the air bearing that are used for the film web material.
Optional practising way can not comprise air cushion and only by with the film guiding be pulled through waveform axle (bent shaft).But the defective of this practising way is that packaging film self is subject to static load (charging) impact and only can be branched out to less degree, so the spacing between the packaging film only is no more than 30mm usually.
For example use as can be known the packaging film branch apparatus with roller to be used for web of material is divided into the device of two way webs as the packaging film guiding device from patent documentation DE 37 33 129 A1, DE 42 41 354 C1 and DE 101 05 486 A1.
For example from patent documentation DE 695 16 233 T2 a kind of apparatus and method for the web material vertically being cut into faciola as can be known.Wherein, keep and guide web by being supplied to compressed-air actuated air bearing.
In further processing and transmitting step, on so-called vacuum band, be cut into the packaging film of certain-length towards the transmission of film parcel location.Because known device is from the film disconnected position to the vacuum band and the band that has two-way to separate to the path of belt conveyor and film Wrap device, thus packaging film must be transmitted and/or push through can not the supporting packaging film the zone.In order to cross over this zone and to guarantee that thereby the head of packaging film or packaging film can not cause fault owing to gravity moves apart, come the stabilising packaging film and packaging film is transmitted with position and the direction of hope in the air channel that forms by described blast pipe by means of two blast pipes (blowertube).
The basic defect of said system is compressed air system must be set.In addition, stable and transmit the film section and cause relatively high pressurized air consumption by pressurized air, so that need more energy produce pressurized air.
Summary of the invention
Main purpose of the present invention provides a kind of induction element for web and membrane material, and this induction element easy operating and reliable can be with than operating this induction element with the required energy energy still less of compressed-air actuated air bearing.
Described purpose is achieved in the wrapping machine of the feature with independent claims 1, and at least one of a plurality of induction elements that this wrapping machine is used in packing and/or is used for the film web material of use when packing forms the super sonic bearing unit.Therefore, the present invention is based in fact and uses super sonic air bearing conduct packing web to be transmitted particularly induction element, steering component and/or the supporting member of film section.For this reason, the high-frequency vibration element is used to make medium to be transmitted and the air between the vibrating member to become close (densification), thereby obtains certain bearing strength.This bearing strength is enough to transmit packing and/or film web material away from enough from supporting member and/or induction element, very light in the practice.
Therefore, the present invention relates in fact induction element, steering component and the supporting member that used packing web is used.But the present invention also relates in the same way be used to using and packs web such as the flush types such as disposable film (flat) and wrap up article to be packaged and/or the machine of unit.This machine comprises that the packing web is with feed unit and for the parcel unit of packing web and wrap up at least in part article to be packaged and/or unit.Wherein, the packing web is through the induction element plane, carinate and/or the roller shape and/or supported by described induction element in some position at least.The invention is characterized in that at least one induction element in a plurality of induction elements is constructed to the super sonic bearing unit.Alternatively, at least one super sonic bearing unit can be by the steering component formation of basically arranging with the moving direction of packing web with crossing.This steering component is comparable to and is provided with the pressurized air feed mechanism with employed slewing rollers in the conventional machines of the guiding that improves packaging film.Because thereby the super sonic bearing unit can provide required spacing desirably to reduce friction drag, do not supply with pressurized air so in machine according to the present invention, design between induction element and packing web.
In an embodiment according to wrapping machine of the present invention, steering component can be configured for packing steering component and/or the induction element of to a great extent contactless linear (line-like) of web.Alternatively, two or more steering components of arranging at an angle to each other can form branching unit, two-way or the multichannel packing web of turning up the soil the previous abreast transmission of guiding and/or carrying as the unitary package web to be used for the interval.
Yet the super sonic bearing unit also is suitable for being formed for packing at least one surface of the flush type induction element of web or film web material alternatively.
Preferably form at least one super sonic bearing unit by super sonic air bearing, the startup of described super sonic air bearing is so that the air between the surface of packing web and super sonic bearing unit becomes close.Vibration generator system, oscillator and vibratory separator (oscillation decoupler) can be provided, and can construct as required and definite size.Wherein, the user can arrange oscillator and/or vibrating mass as required, for example is set to cylindrical roller or flat board.The system that the invention describes is being used in the transit area of the shunt zone of packaging film and packaging film operation packaging film or is packing use in the wrapping machine of web.
Used packing web can be packaging film or other the suitable packing webs that is applicable to wrap up and pack such as the article to be packaged such as drinking container bag, for example synthetic material of paper or other any appropriate.If traditional packaging film is used as packing, then it centers on article thermal contraction to be packaged usually after parcel article to be packaged.
Except wrapping machine, the invention still further relates to a kind of using such as flush types such as disposable packaging films and pack the method that web is packed article and/or unit to be packaged, in described method, the packing web is fed into the parcel unit to wrap up at least in part article to be packaged or unit with packing web.The packing web is through the induction element plane, carinate and/or the roller shape and/or supported by described induction element in some position at least.Described induction element is configured to the super sonic bearing unit of super sonic air bearing type, and the startup of described super sonic air bearing is so that the air between the surface of packing web and super sonic bearing unit becomes close.
In sum, the present invention is based in the wrapping machine and/or is using super sonic air bearing for the method for packing article to be packaged.For this purpose, the high-frequency vibration element is used to make medium to be transmitted and the air between the oscillator to become close, thereby obtains the bearing strength of expectation.In the first embodiment, the air-supported fixing shunt steering hardware that can angularly locate mutually with the system's replacement that produces the supporting of super sonic air.Highly become close " air film " so that packaging film is almost pulled and the quilt shunt by the shunt angled location of roller without any contiguously above the shunt roller.
Optional and can in the second embodiment that the first embodiment is combined, with the blast pipe that the plane vibration system replaces producing " air by-pass passage ", so also can realize by " air film " the no touch conveying of packaging film.
The major advantage of described system is, the energy saving significantly owing to do not need pressurized air as support media.Thus, described system is higher than current known system energy efficiency in fact.
So far the test of carrying out shows that used super sonic air bearing is applicable to purpose required in transmission technology.Described system is ideally suited as the alternative that has the application that operates with pressurized air now.In packaging film guiding field other use also be can consider with favourable.
Other features of the present invention, purpose and advantage from referring to accompanying drawing to becoming clear the detailed description of preferred implementation of the present invention, described embodiment is non-limiting example.Wherein, identical element uses identical Reference numeral and only illustrates once.
Description of drawings
Fig. 1 shows the scheme drawing of the radical function element of explanation wrapping machine.
Fig. 2 shows the schematic side elevation of the film steering hardware (film deflector) of the wrapping machine of Fig. 1.
Fig. 3 shows the scheme drawing of film branch apparatus.
Fig. 4 shows the schematic side elevation of flush type film guiding piece of the wrapping machine of Fig. 1.
Description of reference numerals
10 wrapping machine
12 guidance units
14 film web materials
16 bags
18 rear portion belt conveyor
20 wrapping positions
22 packaging components
24 film reels
26 another film reels
28 super sonic air bearings
30 belt conveyor (disconnected position)
32 anterior belt conveyor (packaging components)
34 demarcation line (chain)
36 cross over plate (crossover plate)
38 flush type super sonic air bearings
40 guide clearance
The X obtuse angle
The specific embodiment
The scheme drawing of Fig. 1 has illustrated the radical function element of known wrapping machine 10, wrapping machine 10 comprises designating system 12, designating system 12 be used for to a plurality of bags 16 supply be cut into certain-length and/or longitudinally be divided into the film web material 14 that two-way or multichannel are guided abreast and be spaced apart from each other.On the belt conveyor 18 of horizontal arrangement, carry described bag 16 to wrapping position 20, at the wrapping position place, the film web material 14 that is cut into suitable length by packaging components 22 usefulness wraps up described bag 16, if necessary, film web material thermal contraction (not shown) is wrapped described.In the embodiment that illustrates, film web material 14 launched from film reel 24 before being divided into the section of suitable length, thus can guarantee relatively for a long time continuous supplying to.Before film reel 24 is fully expanded, can enable new film reel 26.
Describe the thin II of section and the IV that has been labeled in detail referring to Fig. 2, Fig. 3 and Fig. 4.
The schematic side elevation of Fig. 2 shows in detail the film steering hardware at the thin section II place of the wrapping machine 10 shown in Fig. 1.Film web material 14 turns to for more than 28 time by creative super sonic air bearing, and after the middle part is suitably cut, and described film web material 14 can be orientated as adjacent one another are and each other in the super sonic air bearing 28 of obtuse angle X as wish that ground is spaced apart by two.The scheme drawing of Fig. 3 has illustrated this so-called web along separate routes.
At last, the schematic side illustration of Fig. 4 has gone out the flush type film guiding piece at the thin section IV place of the wrapping machine 10 shown in Fig. 1.Will be fed into the height that the belt conveyor 30 of film web material 14 by disconnected position of the packaging components 22 of wrapping position 20 tilts up to be transported to for the anterior belt conveyor 32 of bag 16.Because the belt conveyor 30 of disconnected position must stop in the upstream of the demarcation line 34 of packaging components 22 and turn to downwards, so forwardly leave the space between the lower conveyer belt 30 of belt conveyor 32 and disconnected position, should guide film web material 14 in the gap, to prevent that reliably the film web material from folding or other fault.As shown in Figure 4, two super sonic air bearings 38 that are used to the introducing passage (lead-through) of demarcation line 34 and are used for the planar design that the supply gap of film web material 14 separates are positioned at crosses over plate 36 belows, cross over the anterior belt conveyor 32 that plate 36 connects rear portion belt conveyor 18 and is arranged in same height, wherein said super sonic air bearing is arranged to parallel to each other, so that described super sonic air bearing forms the guide clearance 40 that film web material 14 could be guided and be passed to the At The Height of anterior belt conveyor 32 therein reliably.
The invention is not restricted to above-mentioned embodiment.Utilize design of the present invention can design multiple modification and variation and therefore described modification and variation fall within the scope of the present invention.
Claims (9)
1. pack the machine (10) that web is packed article to be packaged and/or unit to be packaged with flush type for one kind, described machine comprises that the packing web packs the parcel unit (22) that web is wrapped up described article to be packaged and/or unit to be packaged at least in part with guidance unit (12) and with described, wherein, described packing web through the induction element of flush type and at least the lower conveyer belt of described packing web disconnected position and be used for article to be packaged and/or the anterior belt conveyor of unit to be packaged between the position supported by described induction element, wherein, at least one described induction element is constructed to super sonic bearing unit (28,38), at least one described super sonic bearing unit (38) is formed by the surface of the flush type guiding piece that is used for described packing web, it is characterized in that, the lower conveyer belt of described packing web disconnected position and be used for article to be packaged and/or the anterior belt conveyor of unit to be packaged between the position described induction element that supports described packing web formed by two super sonic air bearings (38) of planar design, described two super sonic air bearings (38) are arranged to parallel to each other, and described two super sonic air bearings (38) are formed for the guide clearance (40) of described packing web.
2. machine as claimed in claim 1 is characterized in that, the steering component that at least one described super sonic bearing unit (28) is arranged by the moving direction that basically crosses described packing web forms.
3. machine as claimed in claim 2 is characterized in that, described steering component is formed for to a great extent contactless linear steering hardware and/or the guiding device of described packing web.
4. machine as claimed in claim 2 or claim 3, it is characterized in that, angularly two or more steering components of layout form branching units mutually, two-way or multichannel packing web that described branching unit is used for the previous abreast conveying of with interval guiding and/or carries as the unitary package web.
5. such as a described machine among the claim 1-3, it is characterized in that, at least one super sonic bearing unit is by super sonic air bearing (28,38) form, the startup of described super sonic bearing unit is so that the air between the surface of described packing web and described super sonic bearing unit becomes close.
6. such as a described machine among the claim 1-3, it is characterized in that described packing web is formed by packaging film (14).
7. such as a described machine among the claim 1-3, it is characterized in that described flush type packing web is disposable film (14).
8. pack the method that web is packed article to be packaged and/or unit to be packaged with flush type for one kind, in described method, described packing web is supplied to parcel unit (22), to wrap up at least in part described article to be packaged and/or unit to be packaged with the described web of packing, wherein, described packing web through the induction element of flush type and at least the lower conveyer belt of described packing web disconnected position and be used for article to be packaged and/or the anterior belt conveyor of unit to be packaged between the position supported by described induction element, described method is characterised in that, described induction element is constructed to super sonic air bearing (28,38) the super sonic bearing unit of form, the startup of described super sonic bearing unit is so that the air between the surface of described packing web and described super sonic bearing unit becomes close, at least one described super sonic bearing unit (38) is formed by the surface of the flush type guiding piece that is used for described packing web, the lower conveyer belt of described packing web disconnected position and be used for article to be packaged and/or the anterior belt conveyor of unit to be packaged between the position described induction element that supports described packing web formed by two super sonic air bearings (38) of planar design, described two super sonic air bearings (38) are arranged to parallel to each other, and described two super sonic air bearings (38) are formed for the guide clearance (40) of described packing web.
9. method as claimed in claim 8 is characterized in that, described flush type packing web is disposable film (14).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009003556.7 | 2009-03-02 | ||
| DE102009003556A DE102009003556A1 (en) | 2009-03-02 | 2009-03-02 | Packaging machine and method for its control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101823576A CN101823576A (en) | 2010-09-08 |
| CN101823576B true CN101823576B (en) | 2013-03-13 |
Family
ID=42315376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101221713A Expired - Fee Related CN101823576B (en) | 2009-03-02 | 2010-03-02 | Packaging machine and control method thereof |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2226254A1 (en) |
| CN (1) | CN101823576B (en) |
| DE (2) | DE102009003556A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011117165A1 (en) | 2011-05-03 | 2012-11-08 | Khs Gmbh | Method and device for packaging groups of objects combined into packaging units |
| DE102012206502B4 (en) | 2012-04-19 | 2019-01-31 | VON ARDENNE Asset GmbH & Co. KG | Device for front-side contact-free transport of band-shaped material |
| DE102014106906A1 (en) | 2013-06-18 | 2014-12-18 | Khs Gmbh | Apparatus and method for forming packaging units |
| KR101515807B1 (en) * | 2013-11-04 | 2015-05-07 | 코닝정밀소재 주식회사 | Method and appratus for manufacuring a roll |
| KR101548310B1 (en) * | 2013-12-30 | 2015-08-28 | 코닝정밀소재 주식회사 | Film lamination method and apparatus |
| DE102015205296A1 (en) | 2015-03-24 | 2016-09-29 | Krones Ag | Apparatus in the beverage industry with a radial bearing and / or a thrust bearing |
| DE102015119320A1 (en) | 2015-11-10 | 2017-05-11 | Krones Aktiengesellschaft | System for grouping and / or distribution of piece goods and method for performing manipulation tasks in the range of a working distance with at least one handling device |
| DE102016200540A1 (en) * | 2016-01-18 | 2017-07-20 | Krones Aktiengesellschaft | Apparatus and method for grouping and combining articles into multiple packages of different package sizes |
| DE102016225223A1 (en) * | 2016-12-16 | 2018-06-21 | Krones Aktiengesellschaft | Transport section and method for conveying film sections of low film thickness for packaging purposes |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4207725A1 (en) * | 1992-03-11 | 1993-09-23 | Kisters Maschinenbau Gmbh | Continuous packaging system for groups of goods - has support elements for front and rear of each group in running direction during entire process. |
| CN1434224A (en) * | 2003-02-25 | 2003-08-06 | 吉林大学 | Ultrasonic bearing |
| EP1661673A1 (en) * | 2004-11-23 | 2006-05-31 | Rotanotice | Method and device for aligning the edges of webs |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3733129C2 (en) | 1987-10-01 | 1999-02-18 | Focke & Co | Device for separating a material web into two partial webs |
| DE4241354C1 (en) | 1992-11-11 | 1994-02-17 | Kisters Maschinenbau Gmbh | Strip lengthwise-cutting and spreading machine - has adjustable deflector rails with air jets at intervals in peripheral direction and covered by strip sections |
| DE69516233T2 (en) | 1994-11-07 | 2000-11-02 | Eastman Kodak Co | Device and method for the long cutting of strip material |
| DE10105486A1 (en) | 2000-11-24 | 2002-05-29 | Focke & Co | Method and device for producing packages with an outer wrapper |
| US6994005B2 (en) * | 2002-03-01 | 2006-02-07 | Energy Saving Products And Sales Corp. | Apparatus for slitting, merging, and cutting a continuous paperweb |
| WO2004076320A1 (en) * | 2003-02-25 | 2004-09-10 | Technische Universität München | Device for contactlessly conveying and positioning components |
| DE102007016840A1 (en) * | 2007-04-09 | 2008-10-16 | Zimmermann & Schilp Handhabungstechnik Gmbh | Device for transporting and holding touch-sensitive objects and material |
-
2009
- 2009-03-02 DE DE102009003556A patent/DE102009003556A1/en not_active Withdrawn
-
2010
- 2010-02-04 EP EP10152600A patent/EP2226254A1/en not_active Withdrawn
- 2010-02-04 DE DE202010013513U patent/DE202010013513U1/en not_active Expired - Lifetime
- 2010-03-02 CN CN2010101221713A patent/CN101823576B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4207725A1 (en) * | 1992-03-11 | 1993-09-23 | Kisters Maschinenbau Gmbh | Continuous packaging system for groups of goods - has support elements for front and rear of each group in running direction during entire process. |
| CN1434224A (en) * | 2003-02-25 | 2003-08-06 | 吉林大学 | Ultrasonic bearing |
| EP1661673A1 (en) * | 2004-11-23 | 2006-05-31 | Rotanotice | Method and device for aligning the edges of webs |
Non-Patent Citations (1)
| Title |
|---|
| 景敏卿.新型挤压膜气体轴承的研究.《西安交通大学学报》.2008,(第42卷第7期), * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101823576A (en) | 2010-09-08 |
| DE202010013513U1 (en) | 2010-12-02 |
| EP2226254A1 (en) | 2010-09-08 |
| DE102009003556A1 (en) | 2010-09-09 |
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