CN101328642A - Method for pushing needle into coil in flat knitting machine - Google Patents
Method for pushing needle into coil in flat knitting machine Download PDFInfo
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- CN101328642A CN101328642A CNA200810029601XA CN200810029601A CN101328642A CN 101328642 A CN101328642 A CN 101328642A CN A200810029601X A CNA200810029601X A CN A200810029601XA CN 200810029601 A CN200810029601 A CN 200810029601A CN 101328642 A CN101328642 A CN 101328642A
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Abstract
The invention relates to the knitting machinery technical field, in particular to a method for pushing needle hooks into a coil through a computer-controlled flat knitter. The method comprises the following steps: firstly, a second needle group is pushed towards a first needle group and then inserted into a leaf spring of the first needle group, and the push height of the top of a needle hook of the second needle group is controlled to be within the range of about 0.6 millimeter parallel to a terminal line of the coil; secondly, the first needle group is pushed towards the second needle group, and the needle hook of the second needle group moves in the opposite direction and pushes the lower part of the coil and a step on the first needle group supports the upper part of the coil, so as to make an opening of the coil opened; thirdly, the second needle group is secondarily pushed towards the first needle group so as to make the needle hook of the second needle group pass through the coil; fourthly, the first needle group is pulled back to the original position while the second needle group hooks the coil and the first needle group is slipped out relatively; and fifthly, the second needle group is pulled back to the original position so as to make the coil transfer from the first needle group to the second needle group. The method has fluent motion and high success rate and is easy to operate.
Description
Technical field:
The present invention relates to technical field of knitting machinery, refer in particular to a kind of method of pin being colluded propulsion coil that is used for the flat machine of computer control.
Background technology:
Present patent application has been to use a kind of transfer needle that spring leaf is arranged, particularly be applied to a kind of with hand knitting machine head and being reequiped, needle plate and transfer needle and the computerized control system of knitting leader have been installed additional, realizing pushing pin automatically under the situation cheaply, pin is turned in shirt sheet position arbitrarily, barring-on, the Computerized flat knitting machine of sophisticated functions such as narrowing; When turning over pin, when knitting needle boosts, the coil that is enclosed within on the knitting needle also can be along with knitting needle rises, and in to a certain degree rising, the size of this and coil, the tractive dynamics of the elastic force of coil and fabric is relevant, thereby make coil can not be enclosed within the bottom of barring-on spring leaf, as Fig. 1 and Fig. 2; Or the inner several coils of fabric can be enclosed within the bottommost of barring-on spring leaf, and outer one or two coils can not be enclosed within the bottom of barring-on spring leaf, and as Fig. 3, this is because the extension stone roller traction force of outer coil is less relatively; So just caused several coils that need turn over pin simultaneously can not be enclosed within spring leaf in the sustained height position, if pin is colluded in the direct insertion spring leaf like this, can make and turn over pin dropped stitch or pin and collude top broken string circle and broken hole, just as Fig. 3, Fig. 4, Fig. 5, several failure scenarios shown in Figure 6, this is an insoluble problem in the Computerized flat knitting machine.So the full-automatic computer straight-bar machines has been installed sinker or presser feet, one of its purpose is exactly that tractive is lived coil on the fabric, makes coil be enclosed within the bottom of barring-on spring leaf, makes to turn over finishing that pin at every turn can both be stable.But sinker and presser feet are installed needs bigger manufacturing cost and maintenance cost, and this has comprised the needle plate of straight-bar machines and the cost of sinker and presser feet itself.
Summary of the invention:
The object of the present invention is to provide a kind of varying in size at coil, under the elastic force difference of coil and the complicated situations such as tractive dynamics inequality of fabric, do not need sinker and presser feet tractive coil, also pin can be colluded in the coil on the stable propelling spring sheet, finish the method that the pin that turns over pin colludes propulsion coil.
For achieving the above object, the method that pin is colluded propulsion coil provided by the invention comprises the steps:
(1), the second pin group is advanced towards the first pin group, and insert the spring leaf inboard of the first pin group, and the pin of the second pin group colludes the top and advances and highly be controlled in concordant with the coil top line 0.6 millimeter the scope up and down;
(2), the first pin group is advanced towards the second pin group, the pin of the second pin group is colluded relative to reverse move push-and-pull coil lower part, and the step on the first pin group props up top coil top, both cooperate the expansion coil, and the coil mouth is opened;
(3), the second pin group is advanced once more towards the first pin group, the pin of the second pin group is colluded and pass coil;
(4), the first pin group of pulling back is to the home position, skids off the first pin group relatively and the second pin group catches on coil;
(5), the second pin group of pulling back is to the home position, finishes coil and transfers on the second pin group from the first pin group, promptly finishes the pin work of turning over.
The first pin group is 1～4 millimeter towards the height that the second pin group advances in the above-mentioned steps (2).
Said method also comprises a line ball circle operation when implementing, this operation is carried out before in step (1), boosts the first pin group earlier, boosts the second knitting needle group again, and the shank of the second pin group is with first the pin group is corresponding intersects; Traversing needle plate, the shank and the first pin group of the second pin group are in contact with one another, advance the first pin group once more, by the second pin group with the coil on the first pin group to pressing down on the spring leaf of falling on the first pin group, at this moment the step on the first pin group props up top coil top, then the first pin group and the second pin group is pulled back separately.
For the first pin group and the moving of the second pin group is to be realized by computer control needle propeller, and needle propeller has to be taken off pin and take off the pin heel front and back end that leftover bits and pieces is stirred corresponding pin group respectively, makes the pin group carry over needle tray and moves.
Height that described needle propeller is pushed pin and precedence cooperate motor control by computer; The needle propeller quantity of once pushing pin is 1～60.
Above-mentioned taking off pin and take off to get a foothold is respectively the plate body that the vertical needle group is provided with; On the needle propeller also interlock one hairbrush arranged, hairbrush is parallel to needle tray and moves with taking off pin and take off leftover bits and pieces.Hairbrush and take off pin, take off the same moved further of getting a foothold, hairbrush is to brush automatically to open pin lid person.
The present invention uses computer to control needle propeller and transverse-moving mechanism automatically, the front and back knitting needle is pushed to respectively and is pushed with the different order of priority, accurately the size and the opportunity of control promotion, finish the line ball circle, expanded the backguy circle and turned over work such as pin, fluent movements, easy to operate, the success rate height.
The invention has the beneficial effects as follows, do not need sinker and presser feet tractive coil, also pin can be colluded in the coil on the stable propelling spring sheet, finish and turn over pin; Machinery is simple, has reduced cost, helps the Computerized flat knitting machine of developing low-cost; Help especially also to be reequiped with the hand knitting machine head, installed needle plate and transfer needle and the computerized control system of knitting leader additional, realizing pushing pin automatically under the situation cheaply, sophisticated functions such as pin, barring-on, narrowing are turned in shirt sheet position arbitrarily.
Description of drawings:
Accompanying drawing 1 is the exemplary position figure of the coil before the prior art line ball circle;
Accompanying drawing 2 is various exemplary position figure of the coil before the prior art barring-on;
Accompanying drawing the 3,4,5, the 6th, several unsuccessful figure of pin that turn over of prior art;
Accompanying drawing 7 is each parts overall structure graph of a relation of the present invention;
Accompanying drawing 8 is each action figure of line ball circle of the present invention;
Accompanying drawing 9 is each action figure of needle-turning and loop-transferring of the present invention;
Accompanying drawing 10 is that coil top line upper part of the present invention and pin collude the tip position graph of a relation;
Accompanying drawing 11 is hairbrush work schematic diagram of the present invention.
The specific embodiment:
The method that pin is colluded propulsion coil provided by the invention comprises the steps:
(1), the second pin group is advanced towards the first pin group, and insert the spring leaf inboard of the first pin group, and the pin of the second pin group colludes the top and advances and highly be controlled in concordant with the coil top line 0.6 millimeter the scope up and down;
(2), the first pin group is advanced towards the second pin group, the pin of the second pin group is colluded relative to reverse move push-and-pull coil lower part, and the step on the first pin group props up top coil top, both cooperate the expansion coil, and the coil mouth is opened;
(3), the second pin group is advanced once more towards the first pin group, the pin of the second pin group is colluded and pass coil;
(4), the first pin group of pulling back is to the home position, skids off the first pin group relatively and the second pin group catches on coil;
(5), the second pin group of pulling back is to the home position, finishes coil and transfers on the second pin group from the first pin group, promptly finishes the pin work of turning over.
Consult shown in Figure 7, implement critical piece of the present invention and comprise a straight-bar machines and front and back needle plate 10, be placed in respectively in the corresponding needle tray in that the first pin group 20 with spring leaf and the second pin group, 30, the first pin groups 20 and the second pin group 30 have been installed respectively on the front and back needle plate 10, can move along needle tray.Be provided with the needle propeller that is used to boost knitting needle on flat-knitting machine head, needle propeller has to be taken off pin 41 and takes off the pins heel front and back end that leftover bits and pieces 42 is stirred corresponding pin group respectively, makes the pin group carry over needle tray and moves.Taking off pin 41 and taking off 42 pins that are positioned at the first pin group 20 of getting a foothold, 21 front and back ends of calling in person as shown in FIG. has location, restriction and impetus; Take off pin 41 and take off the plate body that leftover bits and pieces 42 is respectively the setting of vertical needle group, thereby can make the concordant arrangement of different knitting needles by taking off pin 41 or taking off and get a foothold 42 in use, be positioned on the sustained height, help synchronous move operation by top butt 21.Height that needle propeller is pushed pin and precedence cooperate motor control by computer, realize control automatically, and the quantity that needle propeller is once pushed pin are 1～60 pin.
This structure has been used the support of hand knitting machine, two needle plates 10 in front and back of the special use of knitting leader is installed, and the knitting needle with spring leaf has been installed on needle plate 10; Use the hand knitting machine head, head is provided with and is used to boost taking off pin 41 and taking off leftover bits and pieces 42 of knitting needle, be positioned at needle plate 10 above, be by contacting with the heel of knitting needle pin, promoting knitting needle moves up and down in needle tray, taking off pin 41 and taking off leftover bits and pieces 42 is to be parallel to needle tray to move, and the Shi Buhui that pushes pin is offset and the knitting needle that drops.
Direction of pushing pin and speed and the size of pushing pin can precisely promote knitting needle efficiently and move up and down according to various situations, and can push pin by suitable usefulness high speed low speed, and suitably adopt acceleration and deceleration control, in order to avoid break coil by computer control automatically.
Have at least a needle plate to use transverse-moving mechanism in the above-mentioned needle plate, in the time of the mobile needle plate of needs, can be with needle plate move left and right number, its each traversing accuracy reaches 0.01 needle gage, traversing direction and size all are to be controlled automatically by computer, can finish by mechanical transmission mechanism.
Have at least the knitting needle of a needle plate 10 that knitted fabric and the coil that is weaving arranged on the knitting needle of front and back needle plate 19, and on knitted fabric, also has certain downward traction force, this traction force may be stone roller or both sides stone roller or a cloth rewinder in hanging, but this traction force not necessarily acts directly on the coil of knitting needle, can act on the whole knitted fabric, its traction force also may be that left side power is big, and the right power is little, and may be power destabilizing factor such as power is little greatly sometimes sometimes.
During enforcement, taking off pin 41 and taking off to get a foothold and 42 be positioned at the first pin group 20 that need turn over pin and the position of the second pin group 30 the front and back needle propeller; Use is taken off pin 41 and is taken off 42 pins that promote knitting needle of getting a foothold and call in person, and must be that the needle tray that is parallel to the knitting needle place moves, if biasing is arranged slightly, will be created in the process of pushing pin and miss knitting needle, thereby cause the mistake of pushing pin; The speed of pushing pin is also wanted strict control, if the excessive velocities that pushes away may make knitting needle move inertia and beat, thereby exceed preset value, more likely because excessive velocities is being broken the coil on the knitting needle suddenly.But can not be too slow, the a large amount of work of pushing pin meetings reduces production efficiency, remaining on pushes pin at every turn finished the displacement of 5 millimeter in 0.01 second, need computer control to push pin, according to circumstances carry out different passing speed, such as there is not the knitting needle of coil can push away hurry up, there is the knitting needle of coil can push away slowly, when particularly loop density is less, when also having the coil quality more crisp, as the rabbit hair, cashmere etc., and the acceleration and deceleration that will be fit to processing can be slow slightly when starting such as push pin, gradually back high-speed mobile again raises speed, when the destination, to slow down,, can avoid knitting needle to beat because of inertia with soft processing, each precision that promotes will be in 0.1 millimeter, and the accumulation of error can not be arranged.
Before implementing to turn over pin, carry out line ball circle operation earlier, as the A figure of Fig. 8, this operation boosts the first pin group 20 (this pin group has coil) earlier, boosts the shank and 20 corresponding intersections of the first pin group of the second knitting needle group, 30, the second pin groups 30 again; Traversing corresponding needle plate 10, the shank and the first pin group 20 of the second pin group 30 are in contact with one another, advance the first pin group 20 once more, by the second pin group 30 with the coil on the first pin group 20 to pressing down on the spring leaf of falling on the first pin group 20 22, at this moment pull back the first pin group 20 and the second pin group 30 then separately in 23 top coil 50 tops of the step on the first pin group 20.Why to carry out the action of this line ball circle, this is because coil is when knitting needle boosts, coil generally can rise with knitting needle, particularly under the situation that fabric traction power is unequal and coil is less, make coil can not be enclosed within the lower part of spring leaf, as B figure among Fig. 8, finish and turn over pin, just need earlier coil to be enclosed within the spring leaf bottom.During concrete enforcement, use transverse-moving mechanism that the front and back needle plate is moved at tooth earlier, knitting needle intersects promptly, make when boosting the front and back knitting needle and can not collude because of collision breaks pin, the knitting needle and the knitting needle on the corresponding needle plate that needs are turned over pin all boost, the pin of knitting needle colludes the bottom position intersection before and after making, but do not contact, cross sliding machine plate again, the knitting needle contact is leaned on mutually before and after making, scheme as the C among Fig. 8, continue to boost the knitting needle that needs to press line of fall circle to needle tray near highest point, make coil 50 by the corresponding knitting needle cramping that intersects, thereby coil is in pushing course, be enclosed within the bottom of spring leaf 22 fully, coil 50 tops are spacing by the step 23 on the first pin group 20, D figure as Fig. 8, but describedly be particular about near highest point, this is relevant with traction force with coil size and coil quality, if coil is little or the coil quality is crisp and traction force when very big, the first pin group 20 can not be pushed into highest point, in order to avoid break coil or draw loose fabric, and influence fabric quality, and these can be through the long-time experience that accumulates out of testing, and enroll computer, control its height dimension of pushing pin automatically by computer.
After finishing pressure line of fall circle, the second pin group 30 need be return normal braiding height, pin be colluded in the spring leaf 22 that inserts the first pin group 20 with preparation, in pressing line of fall circle operation, with the first pin group 20 be pushed into needle tray near highest point, be in order to press line of fall circle more fully, so in this operation, the first pin group 20 is also backed off 2 to 4 millimeters a little, as 3 or 3.5 millimeters etc., be to prepare and reserve the space of propelling, knitting needle is backed off, be to use and taken off pin 41 and promote to realize for following expansion backguy circle operation.
A figure as Fig. 9 boosts the first pin group 20, the second pin group 30 is boosted again; Making the pin of the second pin group 30 collude top 31, to be pushed into above the coil 50 top line upper part horizontal line L 0.6 millimeter in 0.6 millimeter the scope, be horizontal line with L line among Figure 10 to horizontal line L, and A is a difference in height, is controlled at ± 0.6 millimeter.This is core of the present invention, be to come through a large amount of actual tests, the scope of test has comprised the various pin kinds of straight-bar machines and the size that pin colludes, the quality of wool yarn and the weave of each fabric, the thickness of coil size and fabric, the unequal situation of the size of the traction force of test fabric and tractive dynamics also, the numeric dimensions scope that is accumulated, and it is enrolled computer, by computer according to various situations, automatically control the height dimension that it is pushed pin, it be guaranteed to turn at every turn pin whether stable finish key.Why not the pin of the second pin group 30 is colluded the coil 50 in the direct reeve spring leaf 22, because the size of coil 50, the tractive dynamics of the elastic force of coil and fabric is different, thereby make some coil still can not be enclosed within the bottommost of barring-on spring leaf, and several coils that need turn over pin simultaneously can not be enclosed within spring leaf in the sustained height position, most critical be that the angle of some coil and the first pin group 20 does not allow direct insertion, the pin failure appears turning over probably, produce dropped stitch and broken string broken hole.
B, C, D figure as Fig. 9, again the first pin group 20 is upwards boosted 1 to 4 millimeter, as 2 or 3 millimeters etc., and have corresponding take off to get a foothold withstand the second pin group 30 and can not glide, make coil 50 bottoms be colluded bottom 32 push-and-pulls by the pin of the second pin group 30, thereby spread loop 50, and changed the angle of the coil and the first pin group 20.The first pin group 20 upwards boosts 1 to 4 millimeter and is worthy of careful study, just as described in the above-mentioned operation, this is relevant with traction force with coil size and coil quality, and accurately controls its height dimension of pushing pin with computer.Why pin will be colluded top 31 before described in the step operation is pushed into and is not less than below the horizontal line L 0.6 millimeter, this is because 20 unstable causing in needle tray of the first pin group, or coil is less to be caused, because 20 moments of the first pin group boost, and the pin of the second pin group 30 colludes the bottom and 32 pushes down the coil bottom, make the first upwards swing of pin group 20, if perk certain height slightly, probably make pin collude the bottom and can not push-and-pull live coil bottom, and coil bottom colludes top 31 from pin and slips over, and causes pin to collude and can not be positioned at coil.Certainly, pin collude top 31 be pushed into be lower than below the horizontal line L 0.6 millimeter also may success, this situation generally appears at coil when big, success rate is bigger, when traction force is very big for another example, make the pin group be not easy perk, also may be successful, but and unreliable, so preferably be not less than below the horizontal line L 0.6 millimeter height.
In addition, make the pin of the second pin group 30 collude top 31 in this method and be pushed into above the coil 50 top line upper part horizontal line L 0.6 millimeter height in 0.6 millimeter the scope to horizontal line L, when the first pin group 20 boosts 1 to 4 millimeter, pin collude top 31 a little more than or approximate position under the coil top line, with the horizontal line L is benchmark, owing to be that pin colludes camber, the position also can slip over above pin colludes top 31 under the coil top line, coil can't be broken, and do not open under the situation of needle latch in the second pin group 30, also to a certain extent, push needle latch open, really kill two birds with one stone with position under the coil top line.So this method after long-term test, can guarantee really at every turn can both be stable under complicated situation the pin that turns over, and control its number range automatically by computer, and these and non-obvious.
Consult the E figure of Fig. 9, again the second pin group 30 is boosted, make pin collude top 31 and pass completely through spring leaf 22 and coil 50.The first pin group 20 is pushed back normal braiding height, coil 50 is just stayed above the second pin group 30 again.Consult the F figure of Fig. 9, then the second pin group 30 is also pushed back normal braiding height, promptly finish the pin work of turning over.
Consult A among Figure 11, B figure, on the needle propeller also interlock hairbrush 60 arranged, the corresponding first pin group 20 and the second pin group 30 respectively, hairbrush 60 with take off pin 41 and take off leftover bits and pieces 42 same moved further, and be parallel to needle tray and move; Hairbrush 60 is that brush is opened pin lid person automatically, to realize that colluding the lineman does.After the shank of the second pin group and the first pin group are in contact with one another, advance once more in the process of the first pin group, hairbrush was brushed the first pin group pin and is colluded and can brush out the pin lid automatically.
Claims (8)
1, in the flat machine pin being colluded the method for propulsion coil, is to be used for the coil on the first pin group is transferred to the second pin group, and it is characterized in that: the step of this method is as follows,
(1), the second pin group is advanced towards the first pin group, and insert the spring leaf inboard of the first pin group, and the pin of the second pin group colludes the top and advances and highly be controlled in concordant with the coil top line 0.6 millimeter the scope up and down;
(2), the first pin group is advanced towards the second pin group, the pin of the second pin group is colluded relative to reverse move push-and-pull coil lower part, and the step on the first pin group props up top coil top, both cooperate the expansion coil, and the coil mouth is opened;
(3), the second pin group is advanced once more towards the first pin group, the pin of the second pin group is colluded and pass coil;
(4), the first pin group of pulling back is to the home position, skids off the first pin group relatively and the second pin group catches on coil;
(5), the second pin group of pulling back is to the home position, finish coil and transfer on the second pin group from the first pin group.
2, the method that pin is colluded propulsion coil according to claim 1 is characterized in that: the first pin group is 1～4 millimeter towards the height that the second pin group advances in the step (2).
3, method of pin being colluded propulsion coil according to claim 1, it is characterized in that: this method also comprises a line ball circle operation, and this operation is carried out before in step (1), boosts the first pin group earlier, boost the second knitting needle group again, the shank of the second pin group is with first the pin group is corresponding intersects; Traversing needle plate, the shank and the first pin group of the second pin group are in contact with one another, advance the first pin group once more, by the second pin group with the coil on the first pin group to pressing down on the spring leaf of falling on the first pin group, at this moment the step on the first pin group props up top coil top, then the first pin group and the second pin group is pulled back separately.
4, according to claim 1 or 3 described methods of pin being colluded propulsion coil, it is characterized in that: the moving of the first pin group and the second pin group is to be realized by computer control needle propeller, needle propeller has to be taken off pin and takes off the pin heel front and back end that leftover bits and pieces is stirred corresponding pin group respectively, makes the pin group carry over needle tray and moves.
5, the method that pin is colluded propulsion coil according to claim 4 is characterized in that: height that needle propeller is pushed pin and precedence cooperate motor control by computer.
6, the method that pin is colluded propulsion coil according to claim 4 is characterized in that: the needle propeller quantity of pushing pin is 1～60.
7, the method that pin is colluded propulsion coil according to claim 4 is characterized in that: take off pin and take off the plate body that leftover bits and pieces is respectively the setting of vertical needle group; On the needle propeller also interlock one hairbrush arranged, hairbrush is parallel to needle tray and moves with taking off pin and take off leftover bits and pieces.
8, the method that pin is colluded propulsion coil according to claim 7 is characterized in that: hairbrush and take off pin, take off the same moved further of getting a foothold, hairbrush is to brush automatically to open pin lid person.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810029601XA CN101328642A (en) | 2008-07-16 | 2008-07-16 | Method for pushing needle into coil in flat knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810029601XA CN101328642A (en) | 2008-07-16 | 2008-07-16 | Method for pushing needle into coil in flat knitting machine |
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| Publication Number | Publication Date |
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| CN101328642A true CN101328642A (en) | 2008-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA200810029601XA Pending CN101328642A (en) | 2008-07-16 | 2008-07-16 | Method for pushing needle into coil in flat knitting machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110353344A (en) * | 2019-05-29 | 2019-10-22 | 信泰(福建)科技有限公司 | A kind of integrally formed knitting shoes production technology and a kind of knitting shoes |
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2008
- 2008-07-16 CN CNA200810029601XA patent/CN101328642A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110353344A (en) * | 2019-05-29 | 2019-10-22 | 信泰(福建)科技有限公司 | A kind of integrally formed knitting shoes production technology and a kind of knitting shoes |
| CN110353344B (en) * | 2019-05-29 | 2021-07-02 | 信泰(福建)科技有限公司 | Integrally-formed knitted shoe production process and knitted shoe |
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Open date: 20081224 |