CN1040138C - Open-end spinning machine - Google Patents
Open-end spinning machine Download PDFInfo
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- CN1040138C CN1040138C CN92109180A CN92109180A CN1040138C CN 1040138 C CN1040138 C CN 1040138C CN 92109180 A CN92109180 A CN 92109180A CN 92109180 A CN92109180 A CN 92109180A CN 1040138 C CN1040138 C CN 1040138C
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- 238000007383 open-end spinning Methods 0.000 title 1
- 238000009987 spinning Methods 0.000 claims abstract description 129
- 238000010276 construction Methods 0.000 claims description 47
- 230000003014 reinforcing effect Effects 0.000 claims description 46
- 230000008093 supporting effect Effects 0.000 claims description 38
- 241001331845 Equus asinus x caballus Species 0.000 claims description 8
- 241001212149 Cathetus Species 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 4
- 230000011218 segmentation Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005192 partition Methods 0.000 abstract description 4
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- 238000013461 design Methods 0.000 description 6
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- 230000035611 feeding Effects 0.000 description 5
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- 238000005728 strengthening Methods 0.000 description 4
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Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
- D01H1/16—Framework; Casings; Coverings ; Removal of heat; Means for generating overpressure of air against infiltration of dust; Ducts for electric cables
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
To provide a machine frame for a spinning machine constituted in such a manner that the relative positions of respective members associated with spinning processing are not changed during the transportation from a spinning machine manufacture to a customer and further even after long-term operation. An immobile constitution unit body by each of respective longitudinal juxtaposition arrays of a block 1 has a plurality of rod-shaped bodies 12, 120, 121, 123 to 127, two end walls 11, 110; 111, 112 and partition walls 13, 133, 134 between both adjacent spinning position pairs. These partition walls are securely coupled to the rod-shaped bodies like the end walls. Part of the drive units of the respective spinning processing members inclusive of these members and spool devices are fixed to the rod-like bodies and/or the partition walls and the end walls of both component units are respectively paired and are intercoupled.
Description
The present invention relates to a kind of free-end spinning machine, these facility have the frame that has a section at least, each long limit along machine has a plurality of juxtaposed spinning positions, each station has one group of spinning element and coiler device, every group of spinning element comprises that at least a portion is used for the driver element of described element, and each section has the end wall that is connected with the vertical structure element in its end.
In known practice, in free-end spinning machine, be provided with the bearing along the machine longitudinal extension of U-shaped or box-like, the case that is used for spinning element is fixed thereon (DE-OS2200686).Experience shows that above-mentioned bearing must be designed to very firm, with avoid down curved and guarantee in addition after continuity for a long time spinning element still accurately remain on their required relative positions.
The objective of the invention is to improve the frame of a free-end spinning machine: promptly avoid the relative position of spinning element to user's process and in the process of whole continuous operation, to change from producer's fortune with following form.
The purpose of the invention described above reaches like this, the construction unit that the section of to be each have on the long limit of machine spinning position has rigidity, the latter comprise a plurality of vertical structure elements and two end walls and at least per two adjacent spinning positions between have dividing plate, aforementioned barriers comprises that to be rigidly connected with end wall same way as and vertical structure element many groups spinning element of part driver element and coiler device are fastened onto on vertical structure element and/or the dividing plate.The end wall of two construction units all is connected to each other in all cases in pairs.Owing on the section on the long limit of each machine with spinning position, all have rigid structure unit, and the latter is connected with each other longitudinal structural part by means of its dividing plate, keeps its position toward each other so can guarantee the spinning element in section.Like this, the assembly working amount after transporting the customers' place to has reduced widely.Guaranteed the rigidity of said structure unit and vertical structure element relative position permanent fixing to each other with the rigidly connected dividing plate of vertical structure element.
The end wall of two construction units connects in couples by means of the frame wall and obtains better effect, and for this reason, the frame wall extends to another side from a long limit of machine.
In general, it is just enough that dividing plate is set between when adjacent spinning position, proved particularly advantageous though dividing plate also is set between each is to the spinning position in the spinning position, aforementioned barriers extends across the zone with vertical structure element of supporting coiler device at least.But preferably, all dividing plates all extend to the scope that exceeds the vertical structure element admittance coiler device and admittance spinning element group and part driver element.
In addition, sagging for the driving shaft of each unit of preventing spinning equipment again, the present invention develops that further advantage be to have the bearing that is used to admit driving shaft on the dividing plate.
In the further improved structure of equipment institute of the present invention, the vertical structure element is segmentation track form, is supported with a pair of bobbin arm that is equipped with one by one by a spinning position thereon and is connected to each top opposed end that a machine is grown the dividing plate on the limit.Like this, the above-mentioned segmentation track that has the bobbin arm just is included in the scope of strengthening system of a section.
When all or part of vertical structure element takes to be used for the form of vertical structure bearing of a part of spinning element and driver element, if described vertical structure element adopts the annular ledge form then is particularly advantageous.This structure that just makes the vertical structure bearing accurately is easy especially and cheap, because can save the processing of the other than ring type supporting part that is used for spinning element of other specification like this with costing an arm and a leg.
Proved that advantageously the spinning element group that will have the part driver element can be bearing on the public annular ledge with dismantling also pins each described spinning element and part driver element and can not rotate by means of an independent annular ledge in all cases.Therefore spinning element and a part of driver element that is used for described element all are supported on the annular ledge, so the advantage on the simpler and more cheap machining of having mentioned above also providing in this.
If the section of machine is designed to not only to guarantee in process of production that enough rigidity also are particularly suitable for transporting simultaneously then be better.For reaching described purpose, the further improved superior structural of the present invention is that each rigid structure unit has a tubulose vertical structure element for a transportation axle of provisional admission in all cases.
Light as much as possible and cheap for the structure that makes machine, in a kind of superior structural of the present invention, provide a kind of wall, it is made with sheet metal, is connected to each other with the rigid structure unit that is positioned on the long limit of two machines, and is useful on the independent reinforcing element of each construction unit.Except making structure alleviates, section is also highly strengthened like this.Another advantage of structure is that reinforcing element has the Connection Element that links to each other with the base of support section, so the power that presents in the supporting member of section not by the sheet metal wall, absorbs but directly be reinforced element.If be positioned at that the reinforcing element of the same end of section is connected to each other then also be very favourable.
For convenience a plurality of sections are aligned with each other on assigned address, and then to be designed to following form be favourable to reinforcing element: promptly they can be used as alignment member simultaneously.For reaching this purpose, can be provided with like this: one of vertical structure element extend through the frame wall and be inserted in reinforcing element and base between Connection Element in poroid dimple, the other end of this vertical structure element inserts the opening dimple vertically upward of another Connection Element simultaneously.
In addition, be used in order to prevent the generation of the power in the metal foil wooden partition, can providing the reinforcing element of supporting track system further when machine movably keeps in repair the rail system of mule carriage when supporting.For the influence that makes moment of flexure alleviates as much as possible, also be favourable if make reinforcing element have the supporting member that constitutes the vertical linkage between rail system and the base.
On the other hand, in order to make machine worthwhile and can carry out indoor fast assembling on cost when the producer is sent to the user at the user place.Equipment of the present invention is further improved to be, the arranged outside reinforcing element of the wall of those on section, these sections are prepared as on the even number position of transporting and following in the machine of assembling, during mounter, locational the wall of odd number that be located in the mounter can couple together with above-mentioned wall subsequently.
For reinforcement section conserve space in transportation that the present invention is constructed, preferably reinforcing element stretches out downwards above the frame wall by a connecting portion in each case, and can detachably be connected with base formation by described connecting portion.Thereby in order to transport, the height of section reduces only about half of basically, and the result compares with the standard design of previous machine section, and shared space is very little when transportation.The rigidity of section is not because said structure and base fastening and impaired.Again it, in when transportation, two sections can one be stacked in above another.
Because base not as former standard base, does not need directly to support the profile of any section, this base also can have very simple shape.Therefore, according to the present invention, this base preferably adopts polygonal outer shape.
In order to increase the rigidity of machine section, preferably make the construction unit on two long limits of machine except the frame wall, also have coupled Connection Element.If this moment Connection Element is arranged in the top vertical area of at least one dividing plate between two construction units on the long limits of machine two then is proved to be useful.Advantageously, between two construction units on two long limits of machine, be provided with at least one gas distribution channel and structural detail all has a connector in the above and below of above-mentioned at least one passage in each case.If the upper connector between the construction unit on the long limits of machine two is located on the height of coiler device basically and is the form of the base that is used for the bobbin arrangement apparatus then useful especially.
By more good form of the present invention, the bobbin arrangement apparatus has two belt conveyors, be provided with the diagonal brace of diagonal therebetween, latter's longitudinal extension in section also couples together the horizontal connector above interorbital level connection rail brace and the passage in each case.In a manner described, rail system is being able to remarkable improvement aspect the support of section on the one hand.And the bobbin on the long limits that are machines two of benefit on the other hand can transport the end of machine independently of each other to.Based on bobbin whether by means of one still another belt conveyor reach machine and can derive taper direction along bobbin, bobbin is entered in a kind of mode orderly wait in the dolly of machine end.
Taking along the diagonal diagonal brace of section longitudinal extension is that the form of triangular plate is proved to be useful basically.One side of plate is the cathetus (cathetus) that links to each other with the frame wall, and another side is to traverse across at least two cathetus that are positioned at the connector of passage top and link to each other with above-mentioned connector.
Rail system itself also can be reinforced in simple but useful mode, and this is because the track on machine two long limits is connected to each other by means of track fastening in the zone of end wall at least, and the angle between track and track fastening is included angle brace in.Above-mentioned angle connector preferably is the form of set square (thin sheet gusset).The plate that constitutes angle connector preferably has the corresponding length of side of width of basic and spinning position.
By the major advantage that section provided of the present invention design is that section can be produced in batches and can certain assembled state transports and do not have the danger that warpage takes place section when transporting with lightweight construction.Have simple structure by device of the present invention, and under the reliable reinforcement that guarantees of the tool of the section of free-end spinning machine can keep constantly after adjust and thereby substantially help to guarantee good spinning result.Thereby need be after not transporting yet even after beginning to produce lasting during in debug again.
With reference to the accompanying drawings example of the present invention is described.In the accompanying drawing:
Fig. 1 is the front view by a section of the free-end spinning machine that the present invention constituted.
Fig. 2 is the cross-sectional view of two different modification of a free-end spinning machine shown in Figure 1.
Fig. 3 is the front view by the improvement configuration of the machine section that the present invention constituted.
Fig. 4 is the cross-sectional view of the machine section shown in Fig. 3.
Fig. 5 is the plane of the section of the free-end spinning machine shown in Fig. 3,4.
Fig. 6 is two sections of a free-end spinning machine constituting by the present invention state when overlaying above another when transporting.
At first present invention is described with reference to the structure of the free-end spinning machine shown in Fig. 1 and Fig. 2.This machine has a plurality of sections 1 usually, and they are arranged in proper order and respectively comprise a plurality of spinning positions 10 again.Every end of each section 1 has end wall 11 and 110, and they are connected with the respective end walls 110 or 11 of adjacent sections 1.
Two end walls 11 of section 1 are rigidly connected to by a plurality of structural details longitudinally 12,120,121 and 123 to 127 (Fig. 2) with 110, for example above-mentioned vertical structure element 12,120,121 and 123 to 127 wherein is that screw thread is screwed into or is welded on end wall 11 and 110, again it, as shown in the figure, the dividing plate 13 of 10 settings of per two adjacent stations and above-mentioned vertical structure element 12,120,121 and 123 to 127 or its part link to each other.Being connected between above-mentioned dividing plate 13 and above-mentioned vertical structure element 12 or 120,121 and 123 to 127.Also be that rigid structure connects, can realize with the form of screw thread or welding in this case.
Each spinning position 10 has one group of spinning element, and the latter includes in various cases or the construction unit.For the sake of clarity, this element and their case and construction unit only are illustrated in two spinning positions 10, but this be not all spinning positions 10 structurally all is identical.Because above-mentioned case and construction unit and included spinning element do not belong to content of the present invention, so they only roughly illustrate in the accompanying drawings.
Be provided with common shredding cylinder (not shown) in case 2 (see figure 2)s, the latter is driven via belt drive 20 by the driving-disc 21 that is bearing on the driving shaft 22.Driving shaft 22 passes the dimple 130 on the dividing plate 13.The bearing 131 of supporting driving shaft 22 is fixed thereon.
Also have one to be fixed on bearing 132 on the dividing plate 13 in order to hold delivery roller 23.
Case 2 removably is supported on the vertical structure element 126, and is supported on the vertical structure element 127.So case 2 can not be rotated with respect to vertical structure element 126 by 127 lockings of vertical structure element.
Case 3 also removably is supported on the vertical structure element 126, and case 3 accommodates the spinning element (not shown).This case 3 interrelates with certain mode that does not illustrate in the drawings and a negative pressure source, and details wherein will propose below.On vertical structure element 124, it is similarly locked and not around its rotation with respect to vertical structure element 126 like this away from the overhang bracket of vertical structure element 126 for case 3.
Construction unit 4 removably is supported in similarly and is fixed in the axial direction on the vertical structure element 126, and it is supported on the vertical structure element 125 away from the end of vertical structure element 126.Hold drive unit (for driving respectively) in the said structure unit 4 or be for example to be a part that is the drive unit of support ring 40 forms at least.It for example is the narrow point (narrowing point) that axle 30 that the yarn that is rotor form (not shown) spins element is positioned at support ring 40.Belt drive 41 and above-mentioned 30 total length that links to each other and extend to whole machine.After the spinning element stall, driving belt 41 can be in some way be removed from the axle 30 of spinning element, and this kind mode is known so no longer be illustrated.
Case 2 and 3 and construction unit 4 be axially fixed at vertical structure element 126 (constituting a common annular ledge) and go up and be the form that is arranged in order again.Case 2 and 3 and construction unit 4 pinned and can not rotate with the form of annular mount by vertical structure element 124,125,126 and 127.
The lid 24 that can cover case 2 and 3 is bearing on the case 2.Above-mentioned lid 24 can hold the part of feeding yarn channel (not shown) at least.Fiber wherein can be equipped with the case 3 of spinning element from case 2 feedings by this passage.After above-mentioned fiber had been combined into ew line 5, above-mentioned line left case 3 by the outlet passage 240 that places lid 24.
Above above-mentioned output shaft 140, on dividing plate 13, also have another bearing that is used for bobbin cylinder 150 15.The bobbin cylinder similarly extends to the total length of section 1.Bobbin 50 is positioned on the above-mentioned bobbin cylinder 150 also convertibly in 151 supportings of two bobbin arms in process of production.The pivot of bobbin arm 151 is by bearing 152 supportings of being fixed on the vertical structure element 12.
In general, the element of any structure, for example be two parallel axles, may be used to hold coiler device, although for example being that to be proved to be for anti-rotatable admittance coiler device and other machine parts and the equipment of suspending be successful especially for the structure of the track form of Z-section.According to Fig. 3, the track of above-mentioned particular cross section is connected to two relative tops of the dividing plate on the long limit of a machine.
As disclosing in Fig. 1 and 2, the sliver of exporting from a certain case 51 infeeds case 2 and reaches opposing elements (as the feeding groove, not shown) the feeding shredding cylinder of cooperation with it so that it is broken by delivery roller 23 by the feeding opening 241 of 24 li on lid.Fiber is broken the back by above-mentioned shredding cylinder from the sliver head end and is fed the passage (not shown) with the state of breaking through a fiber, is fed into the spinning element place that places case 3, and here they become the end of line 5.This line is pulled out and is fed bobbin 50 and be carried out winding thereon by outlet passage 240 by means of delivery roller 140 and pressure roller 141 from case 3.
In order to carry out these operations, spinning element should be provided with and to arrange to make its relative position to each other to accomplish when arranging very accurate, to reach best spinning effect.In a single day adjustment work finished, no matter just should make it keep constantly and should do not changed when delivering in buyer's hand from manufactory or the whole operation running.Above-mentioned purpose is to be realized by the every side structure as the section of having described 1 of rigid structure unit 16.Resemble did similar as described in, the rigid construction of construction unit 16 is connected to each other by a plurality of vertical structure elements 12 and 120,121 and 123 to 127 by means of end wall 11,110 and realizes, and the latter is successively by dividing plate 13 or be that the major part of aforementioned barriers is come connected to one another at least.
The end wall 11,110 of two construction units 16 of section 1 is connected to each other by means of frame wall 17 in pairs.Frame wall 17 is designed so that they still leave enough spaces to hold the center part that engages with two construction units 16 between construction unit 16.
Above-mentionedly establish each and can be improved in every way, for example with the equivalence element individual elements on the exchange device or differently make up described element more.It is not definitely requisite for example placing every pair the middle dividing plate 13 of spinning position.But only two adjacent spinning positions between that dividing plate is set is just enough.Because placing the distance of 13 on the dividing plate 13 at every pair of spinning position rear portion and adjacent dividing plate is not excessive usually, so dividing plate 13 finally can guarantee the vertical structure element 12,120,121 that is placed in one and 123 to 127 the depth of parallelism.Again it, vertical structure element 12,120,121 and 123 to 127 its effect under the form of annular mount is not only the longitudinal reinforcer as machine, and is also strengthened in the horizontal, their effect is accumulated.Especially effectively this is because vertical structure element 120,121 and 123 result to the reinforcement in the horizontal of above-mentioned machine, they in illustrated embodiment in a tubular form thereby be anti-especially sagging and warpage.
As shown in Figure 1, 2, when when 10 of all adjacent spinning positions are provided with dividing plate 13, aforementioned barriers needn't all be identical structurally.Therefore, by illustrated structure, extend downward the vertical structure element 124 that is fixed with case 3 from the top from the location of the vertical structure element 12 of bearing 152 with supporting bobbin arm 151 every one dividing plate 133.And be positioned at after one spinning position and extend downward minimum vertical structure element 127 from the vertical structure element 12 of top at the dividing plate 134 that is provided with between the dividing plate 133.
Usually the weak point (133) that has a variation can meet the demands with this structure of the dividing plate of long (134).But for making machine parts standardization and the rigidity that increases each construction unit 16, to make all dividing plates 13 structurally be the same if yes and make the whole vertical area of dividing plate 134 extend throughs, promptly from the vertical structure element 12 of admitting coiler device (bearing 152 that is used for bobbin arm 151) until the vertical structure element 124,125,126 and 127 of admitting spinning element, with regard to advantageous particularly.
In illustrated example, spinning element group (case 2,3, construction unit 4) is fixed on vertical structure element 124,125,126 and 127.But this is non-essential condition also.This spinning element group or its part alternately are fixed on the dividing plate 13.
In illustrated example, axle or roller 22,23,140 and 150 are fixed on the dividing plate 13 by means of bearing 131,132,14 and 15.So just can save clamping device separately, the latter can be arranged in vertical structure element 120,121,123124,126 or 127 on any.
Though angle section or analog must be firm relatively structural members, usually as the vertical structure bearing that is used to support spinning element (case 2,3 and construction unit 4), annular ledge is used as the supporting member of above-mentioned part usually in illustrated example.Reinforcement greatly that like this can implementation structure unit 16 makes the structure lightness simultaneously.
In the free-end spinning machine in modern times, the long side of two identical machines of structure is set usually, every sideband has the spinning position 10 of same quantity.Described each long side constitutes an independent construction unit 16 in the mode of having described, and for the sake of clarity spinning element wherein and coiler device are in Fig. 2 shown in the construction unit shown in the right side.But this is not that the structure at the construction unit shown in the left side 16 is identical with the right side construction unit, and is promptly symmetrical.
For the relative position of said elements in transportation and operating process subsequently remained unchanged, two construction units 16 on two of machine long limits interconnect rigidly in the section 1.
Two construction units 16 can be connected to each other with various forms in general, for example by means of the frame wall 17 that extends to the machine full duration.Again it, the dividing plate (not shown) also can be provided with or extend to the overall with of machine.But connector for the construction unit 16 on the two long limits of machine, except frame wall 17, at least one dividing plate 13 in each in two construction units 16 of section 1 vertical area (above longitudinal structural part 12) be connected to each other (connector 7) just can be described as enough.
Be used in the manufacturing of the independent construction unit 16 on two long limits of machine and the mode that they couple together had following advantage with frame wall 17 and/or Connection Element (connector 7), promptly under the situation without the design of structure-improved unit 16, they also still can use comprising under the situation that element that the center part that is opposite between the construction unit 16 promptly engages with two construction units is changed.
At bottom section, at end wall 11 and 110 places, the longitudinal tensile strain of a reinforcing element (connector 70) and section 1 meets at right angles and is provided with is enough, though also fully can with this class reinforcing element with all or part of additivity in the dividing plates 13 and 133 or 134 on the two long limits of machine be connected with each other.
According to Fig. 2, be provided with air guide channel 6 at the core of each section 1, the latter passes machine vertically and be connected on two end walls 11 and 110 of section 1.Above-mentioned like this passage 6 all plays the effect of reinforcement on all planes.
Case 3 is connected with above-mentioned passage 6 in a kind of mode that is not illustrated, so the required negative pressure of spinning produces in this case.
Be described with graphic structure in each connector 7 all be arranged on passage 6 above, and just be in the plane of adjacent dividing plate 13 and 133 or 134 basically or be positioned on the height of one aforementioned barriers 13.So top connector 7 can be used as the pedestal that is the belt like bobbin collating unit of transporter 8.
As shown in Figure 1, the section that is limited by frame wall 17 extends to another from the long limit of a machine and two construction units 16 is joined to one another.Above-mentioned wall 17 made with the section that forms machine with sheet metal usually and machine weight alleviated as much as possible.In order to strengthen above-mentioned wall 17, the edge of this wall is carried out spreading in a not shown manner.In addition, in illustrated example, the reinforcement 19 that extends in each construction unit 16 traverses across frame wall 17.Connection Element 90 is connected on each reinforcing element and Connection Element 90 its edges enter base 91 (right side in Fig. 2).Above-mentioned Connection Element 90 also similarly as reinforcing element and even can also dispose by this way promptly once in a while, make its hold and thereby support one of important vertical structure element, for example be the supporting spinning element vertical structure element 126
As shown in Figure 2, reinforcing element 9 is arranged to the diagonal angle wire on the frame wall 17 by this way, be that it extends between bobbin cylinder 150 or longitudinal structural part 120 and bearing 152 or vertical structure element 12, its bottom arrives the zone that passage 6 is located near the central part M of machine simultaneously.
As shown in fig. 1, for can being moved along machine, mule carriage 81 is provided with a rail system 80.Reinforcing element 9 extends upward and arrives this rail system 80.Above-mentioned rail system has along track 800 of the long limit of each machine (see figure 4) or 803, though provide 801 of a connection rail brace better at least again at the section middle part, the track 800 on the long limits of these two machines interconnects by means of being connected rail brace 801 with 110 zone at end wall 11 at least with 803, the track 802 and 804 (referring to Fig. 3) of parallel with 803 with track 800 and identical with its maintenance fixed range of further setting on above-mentioned connection rail brace 801.Admit maintenance mule carriage 81 and admit the wheel 810,811,812 and 813 of maintenance mule carriage 81 in a suitable manner being intended to respectively by track 800 and 802,803 and 804 rails of forming.
Track 800,802,804,803 with for example be weldering knot or be threaded etc. suitably mode with is connected rail brace 801 and links to each other, wherein place the interior connection rail braces 801 in limit wall 11,110 zones and the limit wall 11 that joins, 110 one-tenth be rigidly connected.
As disclosed in Figure 1, reinforcing element 9 and 90 and base 91 all place in each case between two sections 1.After assembling, they just play the effect of the frame wall 17 of strengthening 1 of two adjacent sections.Track 800 and 802 length are such, and described track roughly ends at reinforcing element 9 middle parts of section 1 every end.Thereby track 800 can be reinforced element 9 supporting and track 802 can be connected rail brace 801 supportings.
For the user is delivered to from the producer in the outer end of machine and each zone 1, section 1 is assembled into the state shown in Fig. 1 every one, the section between them does not have reinforcing element 9 and 90 and base 91 in transportation simultaneously.Thereby above-mentioned when sending, do not have reinforcing element 9 with 90 or the section 1 of base 91 also can not have and be connected rail brace 801 or track 802.
Base 91 could be installed until carrying out final indoor assembling at the user place after transmission.Thereby section 1 is relatively low in transportation.So just permit two section 1a and 1b to be stacked in above another, thereby saved a large amount of space (see figure 6)s one of when transportation.
Fig. 6 illustrates two the section 1a and the 1b that do not have reinforcing element 9 by way of example.Above-mentioned zone is to be arranged in each case when its assembling finishes between two sections 1 as described above like that, and this section 1 has the reinforcing element 9 that places each side.Section 1a below among two section 1a that stack and the 1b is placed on the supporting plate 93 and by this supporting plate and is supported in total length and overall with scope.Further be provided with supporting structure 94 and it has two journal stirrups (16 1 of each construction units) on sustained height at every end of supporting plate 93, each journal stirrup embeds the end of tubulose vertical structure element 123 and section 1a is carried out aiding support.
Supporting structure 94 also has two supporting journal stirrups 941 that are positioned at sustained height, the latter embed upper curtate 1 tubulose vertical structure element 123 the termination and above another section 1 a distance support described upper curtate 1.
The tubulose vertical structure element 123 of two structural members 16 thereby can be used for admitting temporarily and transport axle each transports axle each is sent with journal stirrup 940 and 941 by a pair of carrying and forms shown in illustrated example.But also can expect for transporting operation inserting a stock (act on similar transport spool) of tubulose longitudinal structural part 123, conveyer (crane or be similar to the supporting structure of supporting structure 94) can act on the end of bar.
In its external mounting reinforcing element 9 and 90 are arranged from above-mentioned each section 1 that the machine that is fully assembled, all takies an even number position in the mill of can obviously learning.Accurately adjust by the producer being positioned at the described section 1 that even bit puts.And assemble time disappearance in that the user is indoor when machine, but equally through what adjust in advance, do not have reinforcing element 9 and 90 or the centre portion of base 91 is also assembled enters.They link to each other with 90 with the reinforcing element 9 that places the locational section 1 of even number and load onto base 91.On track 800 and 802 on the long limits of machine two only need be contained in the reinforcing element 9 that is positioned at 1 of section subsequently and be connected rail brace 801 and need not do further tediously long adjustment.
Fig. 2 is illustrated in and right-handly can adopts different structures with left, but adopts on a machine of course not simultaneously and only be the alternatively.
As shown in the left side of Fig. 2, vertical support element 92 is arranged between base 910 and the rail system 80 and forms direct vertical syndeton between rail system 80 and the base 910.Thereby, rail system 80 applied forces needn't be earlier by reinforcing element 9 and 90 deviations but directly pass to base 90.In Fig. 1, can obviously find out reinforcing element 9, also have supporting member 92 certainly, directly link with rail system 80.
According to its design, reinforcing element 9 and 90 and supporting member 92 can or even replace its effect so that frame wall 17 becomes unnecessaryly.But auxiliary frame wall gives machine with extra high rigidity, and do not need to make reinforcing element 9 and 90 and supporting member 92 have too firm structure.
Be the rigidity of increase section 1, being connected between the reinforcing element 9 and 90 of section end not directly via frame wall 17, but they directly connect (referring to Fig. 2) to each other.
Shown in Figure 2 as in the illustrated example: dimple 900 is in the direction upper shed that makes progress, and it places the top of the Connection Element 90 that diagonal is provided with.Describe as oneself, connector 90 only is provided with every a section 1.And section 1 place between the described section 1 that is provided with connector 90, vertical structure element 126 extends outwardly into beyond the frame wall 17, the end that has promptly exceeded section 1, and reached such degree, that is, they can be by falling the dimple 900 in the Connection Element 90 that section 1 inserts adjacent section 1 from above.Thereby adjacent section 1 can accurately align mutually.
Fig. 3 shows a kind of improved form of described free-end spinning machine, and (not shown) except that its outer end also has many sections 1, but in such section 1 one here only is shown.
In the vertical structure element of many longitudinal extensions of section 1, two vertical structure bearings 121 and 123 are strengthens tubular form and vertical structure bearing 12 is Z-shaped support style (only for for example, referring to Fig. 2).In above-mentioned example, as reference Fig. 1 and Fig. 2 described, be provided with dividing plate 13.They become rigidity to link with vertical structure element 12,121,123 and other vertical structure element (not shown or description).
The spinning element of each spinning position 10 is covered by a lid 31.For the sake of clarity, such spinning element and their lid 31 etc. only repeats to illustrate in two spinning positions 10, but this is not that their structure all is identical in all spinning positions 10.
In the above-described embodiments, end wall 111 and 112 not only extends upwardly to dividing plate 13, but also extended beyond the spinning element of the stand apparatus of the bobbin arm 151 that has on vertical structure element 12, and surpass aforementioned barriers until the height that is used for to move along machine the rail system 80 of the maintenance mule carriage 81 of promptly passing through the spinning position 10 on certain section 1.This mule carriage is to carry out maintenance work in case of necessity on certain spinning position 10, for example repairs when machine or the shutdown of certain spinning position, or changes the bobbin of filling with empty fuse.
In end wall 111 and 112 regions, except vertical support element 92, also have the reinforcing element 9 that links to each other with 112 with end wall 111, its top the apex zone of supporting member 92 be connected rail brace 801 and/or supporting member 92 is continuous.Reinforcing element 9 extends near end wall 111,112 root edges and towards the central part M of machine.
Because being rigidly connected with 9 one-tenth of reinforcing elements on the one hand, end wall 111,112 becomes to be rigidly connected with vertical structure element 12,121,123 and other vertical structure element (not shown in Fig. 4) on the other hand and by the latter and dividing plate 13 or be rigidly connected, rail system 80 plays the effect that spinning element is fixed on its relative position indirectly, and this is because end wall 111 and 112 is suspended in to a certain extent by reinforcing element 9 to be connected on the rail brace 801.Support component 9 has substantially been strengthened section 1 to be made it keep its required shape when transporting and not to distort.
There is a gas distribution channel 6 at machine middle part at the longitudinal extension of section 1, and the case 3 that comprises spinning element is communicated with it to guarantee the required spinning negative pressure of generation in case 3 by means of inspiratory circuit 60.Gas distribution channel 6 is rigidly connected for 17 one-tenth with the frame wall of section 1.
Since can be not only in the zone of end wall 111 and 112 and the connector 7 of 12 of vertical structure bearings that also can be provided with between them turns to reinforcing element 9 to reach from rail system 80 and turns to the power of end wall 111 and 112 also to be born by above-mentioned connector 7 from reinforcing element 9.
Though in general owing to there is reinforcing element 9 so connecting piece 7 can be saved, place connector 7 between end wall 111 and 112 to can be used as the additional support of section 1, particularly when end wall 111 and 112 be when making with metal sheet.
Press Fig. 4, horizontal connector 7 be located substantially on coiler device (12,150,15050) the place height and admit a bobbin arrangement apparatus 83, the latter is the travelling belt 8 and the form that is used for the travelling belt 82 of machine opposite side that is used for machine one side basically.Fig. 4 is illustrated on each above-mentioned travelling belt 8,82 bobbin 500 or 501 and can be transported in the conveying mule carriage that is positioned at machine one end (not shown) by means of travelling belt 8 or 82.
Being two travelling belts 8 and the advantage of the bobbin arrangement apparatus of 82 form also is that feasible design (as shown in Figure 2) is different with what a shared travelling belt that is used for machine two long limits was only arranged basically, and it can be provided with other supporting member between travelling belt 8 and 82.Illustrate as knowing among Fig. 5, near frame wall 17, between the vertical structure element 12 in each dividing plate plane, be provided with a plurality of connecting pieces 7 for this reason.What link with above-mentioned connector 7 is one of the limit of the formation cathetus of a triangular plate 95 (thin sheet gusset), and the another side that constitutes cathetus be connected rail brace 801 and link.Therefore above-mentioned plate 95 passes through latter's supported diaphragm 13 again by means of connector 7 supporting vertical structure elements 12, so rail system 80 also supports spinning element indirectly.The latter or be fastened to by dividing plate is fixed on the vertical structure element on its relative position successively, or directly is fastened on the dividing plate 13.In illustrated embodiment, have four connectors 7 to be connected, but the quantity that is connected to the connector 7 on the plate 95 is unessential with plate 95.Therefore, plate 95 (thin sheet gusset) can only connect two or also can be connected with the connector 7 more than four.
As shown in Fig. 1 and 3, yet, the interior section 1 of strengthening of longitudinal region that at least one or more additional connector 7 also are configured in the section 1 between the plate 95.
Between connection rail brace 801 and connecting piece 7 triangular plate 95 being set not is to be important as cross-brace.The cross-brace of another form, rail shape for example, also can be provided with to replace plate 95 (thin sheet gusset) and provable such work has its advantage, may also need to be used for carrying out other function except that strengthening because of cross-brace.About this point, a such cross-brace except be connected rail brace 801 connect and also enough when only being connected with single connector 7.
In illustrated example, in order to remove the connection of fuselage safely, triangular plate 950 to 957 is provided with and is used as at track 800,803 and the angle brace that is connected each bight between the rail brace 801.
Obviously, angle brace can be an Any shape and need not to be leg-of-mutton in general.In addition,, guarantee that rail system 80 has enough rigidity, then also can cancel above-mentioned angle brace if, for example have the connection rail brace of suitable width etc. with other structure.
When angle brace is taked the form of triangular plate (thin sheet gusset), the width that its width corresponds essentially to spinning position 10 be proved to be have particularly advantageous.This is to have high rigidity on the other hand because this plate is very not heavy on the one hand.
As has already been described, if relative positions is by some other structure (other cross-brace that replaces dividing plate 13, be used for strong especially vertical bearing of spinning element etc.) words that guaranteed, the dividing plate 13 that is arranged on 10 of each spinning positions is not requisite, in this case, it is also enough to be suspended in the permanent positioning of end wall 111 on the reinforcing element 9 and 112 pairs of spinning elements.When bobbin arm 151 is fastened on the vertical structure element 12 of the whole section 1 of extend through rather than on the dividing plate 13 time, the good effect that the location of spinning element is played has been reinforced again with aforementioned manner.
By the structure of aforesaid section 1, vertical support element 92 has the connecting portion 920 that projects downward to outside end wall 111 and 112, so base 910 can directly be connected with supporting member 92 (detachably) by means of above-mentioned connecting portion 920.Therefore, the pressure that puts on supporting member 92 by rail system 80 can directly go on the base 910.Because supporting member as illustrated as an optimum structure, projects downward to outside end wall 111 and 112, the tie point between supporting member 92 and base 910 (connecting portion 920) is easy to touch, so simplified assembly work.Therefore, when the base shape is designed, needn't consider end wall 111 and 112.So just can replace heavy flat bed with the base of outlined polygon.
The independent base that is generally used for each section 1 places the end of each section, and as shown in illustrated example: base 910 can be installed afterwards easily, so engage with two adjacent sections 1 in each case according to Fig. 3 base 910.Thereby underframe 910 has two adjacent end walls 111 and 112, two frame walls 17 and the width of a supporting member 92 when the assembling completion status, and links to each other with perpendicular elements 92 on 17 on two frame walls of two adjacent sections 1.
Being easy to touch and also making machine saving to the space when the producer is sent to the user is being become possibility at the point of contact between supporting member 92 and the base 910.Because because base 910 can be pulled down when transporting, the height of each section 1 is compared the height that can reduce to base with the standard design of section 1 when transportation, so spatially can obtain substantial saving and therefore save cost of transportation.According to Fig. 3 to 5, described section 1 also as shown in Figure 6 mode one be stacked in another the top on transport.
Claims (27)
1. free-end spinning machine, its frame has a section at least, have a plurality of juxtaposed spinning positions along the above section of the long limit of each machine, each spinning position has one group of spinning element, described spinning element comprises part and coiler device of at least one driver element that is used for described element, each section has in its end by the interconnected end wall of vertical structure element, it is characterized in that, the construction unit (16) that described section (1) on the long limit of each machine has a rigidity, described unit (16) comprising: a plurality of vertical structure elements (12,120,121,123 to 127) and two end walls (11,110; 111,112), and at least per two adjacent spinning positions between have dividing plate (13,133,134), described dividing plate with end wall (11,110; 111,112) same way as is linked in described vertical structure element (12,120 rigidly, 121,123 to 127), have many group spinning elements (2,3,4) comprise the part and the coiler device (15 of driver element (4,40), 150 to 152) be fastened to described vertical structure element (12,120,121,123 to 127) and/or on the described dividing plate (13,133,134), and the end wall (11,110 of two construction units (16); 111,112) be connected to each other in each case in pairs.
2. by the described free-end spinning machine of claim 1, it is characterized in that the end wall (11,110 of the paired connection of two construction units (16); 111,112) connection realizes by means of frame wall (17).
3. by the described free-end spinning machine of claim 2, it is characterized in that, described dividing plate (13,133,134) be arranged at each to also extending across the zone of the described vertical structure element (12) that has the described coiler device of carrying (15,150 to 152) between the spinning position in the spinning position (10) at least.
4. by the described free-end spinning machine of claim 3, it is characterized in that, all dividing plates (13,134) extend to and accommodate described coiler device (15,150 to 152) described vertical structure element (12) and accommodate described many group spinning elements (2,3) with the described vertical structure element (124 to 127) of the part of driver element (4,40) outside.
5. by the described free-end spinning machine of claim 4, it is characterized in that described dividing plate (13,133,134) carrying is used to hold the bearing (131,132,14,150) of driving shaft (22,23,140,150).
6. by the described free-end spinning machine of claim 5, it is characterized in that a vertical structure element (121) is got segmentation track form, a pair of bobbin arm (40) set on each spinning position at described segmentation track upper support, and with the long limit of machine on described dividing plate (11,110; 111,112) relative top links to each other.
7. by the described free-end spinning machine of claim 6, it is characterized in that the described vertical structure bearing (124,125,126,127) that is used for described spinning element (2,3,4) and the part of driver element (4,40) is the form of bearing in the form of a ring.
8. by the described free-end spinning machine of claim 7, it is characterized in that, the spinning element group (2,3,4) that includes the part of driver element detachably is supported on the common annular mount (126), and described spinning element (2, the part (4,40) of each spinning element 3,4) and drive unit is in each case by means of independent annular mount (124,125,127) locked with anti-rotation.
9. by the described free-end spinning machine of claim 8, it is characterized in that each rigid structure unit (16) has the vertical structure element (123) of tubulose to be used for temporarily admitting the transportation axle in each case.
10. by the described free-end spinning machine of claim 9, it is characterized in that described the wall (11,110 that the rigid structure unit (16) that described machine two is grown limits is connected to each other; 111,112) make by metal sheet, and have the independent reinforcing element (9,90,92) that is used for each construction unit (16).
11. by the described free-end spinning machine of claim 10, it is characterized in that described reinforcing element (9) has Connection Element (90), described Connection Element (90) links to each other with the base (91,910) of the described section of supporting.
12., it is characterized in that the described reinforcing element (9,90,92) that is positioned at the same end of section (1) is connected to each other by the described free-end spinning machine of claim 11.
13. by the described free-end spinning machine of claim 12, it is characterized in that, beyond one of described vertical structure element (126) of a section (1) extends to described section (1) end and can stretch in the dimple (900) of the opening vertically upward on the Connection Element (90) of an adjacent sections.
14., it is characterized in that the employed rail system of maintenance mule carriage (81) (80) that described reinforcing element (9) supporting is moved along machine by the described free-end spinning machine of claim 13.
15., it is characterized in that described reinforcing element (9,90,92) has the supporting member connected vertically (92) between formation rail system (80) and the described base (9,10) by the described free-end spinning machine of claim 14.
16. by the described free-end spinning machine of claim 15, it is characterized in that, described reinforcing element (9,90,92) only be arranged at the outside of those walls (17) of described section (1) to be used for transporting and to be arranged on the even number position at the machine of assembling subsequently, during mounter subsequently, described the wall (17) that is provided with odd positions in mounter is attachable with described wall.
17. by the described free-end spinning machine of claim 16, it is characterized in that, described reinforcing element respectively has and extend out to described wall (17) connecting portion (700) in addition downwards, and described reinforcing element is detachably connected on the described base (70) by described connecting portion (700).
18., it is characterized in that the profile of described base (70) is a polygonal by the described free-end spinning machine of claim 17.
19., it is characterized in that the described construction unit (16) on the described machine two long limits also has the Connection Element (7,70) that links to each other with described construction unit (16) by the described free-end spinning machine of claim 18 except that described wall (17).
20. by the described free-end spinning machine of claim 19, it is characterized in that, have at least one to be used for movably that the track of maintenance unit longitudinally extends above the coiler device of machine, the described construction unit (16) on described machine two long limits is arranged at described dividing plate (13,133,134) in the vertical direction zone, top of at least one.
21. by the described free-end spinning machine of claim 20, it is characterized in that, have at least a gas distribution channel (6) to be arranged between described two construction units (16) on described machine two long limits, described construction unit (16) has a Connection Element (7,70) in the above and below of described at least one passage (6) in each case.
22. the described free-end spinning machine of the claim 21 of pressing, it is characterized in that, described top connector (7) between the described construction unit (16) on described machine two long limits is arranged on the height of described coiler device (15,150 to 152) and becomes to be used for the form of the base of bobbin arrangement apparatus (83).
23. by the described free-end spinning machine of claim 22, it is characterized in that, described bobbin arrangement apparatus (83) has two travelling belts (8,82), at described travelling belt (8,82) have Cross Braced (95) between, described Cross Braced (95) couples together along described section (1) longitudinal extension and the horizontal connector (7) that in each case level between track (800,803) connected rail brace (801) and at least one passage (6) top.
24. by the described free-end spinning machine of claim 23, it is characterized in that, the shape that is set square along the diagonal diagonal brace of described section (1) longitudinal extension, the cathetus that a limit of described set square constitutes is connected with frame wall (17), and another side constitutes the cathetus that traverses across and be connected at least two connectors (15) that are arranged at described passage (6) top.
25. by the described free-end spinning machine of claim 24, it is characterized in that, the described track (800,803) on the described machine two long limits by means of track fastening (801) at least at described end wall (11,110; 111,112) be connected to each other in the scope, the angle of cut place between described track (800,803) and described track fastening (801) admits angle brace (950 to 957) simultaneously.
26., it is characterized in that the thin sheet gusset of the form of described angle brace (950 to 957) plate triangular in shape by the described free-end spinning machine of claim 25.
27., it is characterized in that the length of side of plate that constitutes described angle brace (950 to 957) is corresponding with the width of spinning position (10) by the described free-end spinning machine of claim 26.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP4121452.8 | 1991-06-28 | ||
| DEP4121469.2 | 1991-06-28 | ||
| DE4121469 | 1991-06-28 | ||
| DE4121452 | 1991-06-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1074253A CN1074253A (en) | 1993-07-14 |
| CN1040138C true CN1040138C (en) | 1998-10-07 |
Family
ID=25905028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN92109180A Expired - Fee Related CN1040138C (en) | 1991-06-28 | 1992-06-27 | Open-end spinning machine |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPH05195335A (en) |
| CN (1) | CN1040138C (en) |
| CZ (1) | CZ285162B6 (en) |
| DE (1) | DE4219701C2 (en) |
| RU (1) | RU2061120C1 (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4337099A1 (en) * | 1993-10-29 | 1995-05-04 | Zinser Textilmaschinen Gmbh | Spinning or twisting machine |
| DE19548666A1 (en) * | 1995-12-23 | 1997-06-26 | Csm Gmbh | Frame structure for centrifugal or vacuum spinner |
| DE10105270B4 (en) * | 2001-02-03 | 2006-04-27 | Rieter Ingolstadt Spinnereimaschinenbau Ag | Open-end spinning machine |
| DE10125992A1 (en) * | 2001-05-29 | 2002-12-05 | Rieter Ingolstadt Spinnerei | To modernize a spinning machine with a number of stations e.g. an open-end spinner, the longitudinal carrier with the stations is dismantled to be replaced by units with adapters to give an even number of spinners along the length |
| EP1422323B1 (en) * | 2002-11-20 | 2017-04-12 | Maschinenfabrik Rieter Ag | Modular air vortex spinning machine |
| ITTO20050357A1 (en) * | 2004-05-29 | 2005-11-30 | Rieter Ingolstadt Spinnerei | FILATOIO E PROCEDURE FOR ASSEMBLY |
| CZ301298B6 (en) * | 2004-12-07 | 2010-01-06 | Oerlikon Czech S. R. O. | General-purpose spinning machine |
| DE102005042590A1 (en) * | 2005-09-07 | 2007-03-15 | Saurer Gmbh & Co. Kg | Spinning machine with profile components |
| DE102006029056A1 (en) * | 2006-06-24 | 2007-12-27 | Oerlikon Textile Gmbh & Co. Kg | spinning machine |
| CN102785969A (en) * | 2012-07-31 | 2012-11-21 | 太仓仕禾线网制造有限公司 | Silk winder with baffle |
| DE102014105591A1 (en) * | 2014-04-17 | 2015-10-22 | Rieter Ingolstadt Gmbh | Air-jet spinning machine with maintenance gear |
| DE102014119380A1 (en) | 2014-12-22 | 2016-06-23 | Rieter Ingolstadt Gmbh | Rotor spinning machine with a variety of jobs and a suction device |
| DE102016007449A1 (en) * | 2016-06-17 | 2017-12-21 | Saurer Germany Gmbh & Co. Kg | Transport reinforcement for a bobbin-producing textile machine |
| DE112019005116A5 (en) * | 2018-10-12 | 2021-07-22 | TRüTZSCHLER GMBH & CO. KG | Basis for a textile machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4060963A (en) * | 1975-04-12 | 1977-12-06 | Fritz Stahlecker | Guide track arrangement and method of adjusting the same |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2161619C3 (en) * | 1971-12-11 | 1982-05-27 | Stahlecker, Fritz, 7347 Bad Überkingen | Open-end spinning device |
| DE2200686C3 (en) * | 1972-01-07 | 1986-01-02 | Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt | Open-end spinning machine |
| DE2506362C2 (en) * | 1975-02-14 | 1992-01-02 | Stahlecker, Fritz, 7347 Bad Überkingen | Open-end spinning machine |
| IT1095319B (en) * | 1978-04-24 | 1985-08-10 | Marzoli & C Spa | SINGLE STRUCTURAL SECTION FRAME FOR SPINNING MACHINE, TWISTING AND SIMILAR |
| DE3247411C2 (en) * | 1982-12-22 | 1994-02-24 | Fritz Stahlecker | Open-end rotor spinning machine with a large number of spinning stations arranged side by side |
| CS264244B1 (en) * | 1987-10-06 | 1989-06-13 | Zdenek Ing Spindler | Travel device for service automat of textile machine |
-
1992
- 1992-06-16 DE DE4219701A patent/DE4219701C2/en not_active Expired - Fee Related
- 1992-06-26 CZ CS921989A patent/CZ285162B6/en not_active IP Right Cessation
- 1992-06-26 RU SU5052610 patent/RU2061120C1/en active
- 1992-06-26 JP JP16897492A patent/JPH05195335A/en active Pending
- 1992-06-27 CN CN92109180A patent/CN1040138C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4060963A (en) * | 1975-04-12 | 1977-12-06 | Fritz Stahlecker | Guide track arrangement and method of adjusting the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CZ198992A3 (en) | 1993-01-13 |
| DE4219701C2 (en) | 1997-12-04 |
| DE4219701A1 (en) | 1993-01-14 |
| RU2061120C1 (en) | 1996-05-27 |
| CN1074253A (en) | 1993-07-14 |
| CZ285162B6 (en) | 1999-05-12 |
| JPH05195335A (en) | 1993-08-03 |
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