CN1661153B - Tension detector for sewed articles - Google Patents
Tension detector for sewed articles Download PDFInfo
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- CN1661153B CN1661153B CN 200510052472 CN200510052472A CN1661153B CN 1661153 B CN1661153 B CN 1661153B CN 200510052472 CN200510052472 CN 200510052472 CN 200510052472 A CN200510052472 A CN 200510052472A CN 1661153 B CN1661153 B CN 1661153B
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- 239000007789 gas Substances 0.000 description 67
- 238000009958 sewing Methods 0.000 description 33
- 239000004744 fabric Substances 0.000 description 20
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Abstract
This invention provides a tension measuring device for a sewn object, which has a small restriction of an installation place and can measure tension of even the sewn object underlying an operator's hand. Gas is blown out towards the sewn object 30 by a jet means 21 and state quantity showing the conditions of the gas, for example, tension is detected by a detecting means 22. The coating condition by the sewn object of a jet aperture 31 of the jet means 21 varies with the tension of the sewn object 30. If the coating condition varies, resistance to jet of the gas varies and the state quantity of the gas, which is blown out, varies. By detecting this state quantity, the tension of the sewn object can be calculated from the state quantity. Only the jet means can be installed near a position where the tension is measured, and another constituent at a distant position with a small restriction of the installation place. Moreover, in this organization, it is possible to measure the tension even if the operator attaches his hand to the sewn object.
Description
Technical field
The present invention relates to be used to measure the device of making by apparatus for sewing of making thing tension force.
Background technology
When making thing with stitching sewing machine, by assisting making on the thing, for example will make thing and send into by the stretched condition gauffer etc. not to take place, be suitable for making with hand for the operator.This less important work is an operation that needs are skilled, and promptly, the operator must be according to being delivered on hand reaction force from making thing, the tension force of making thing is experienced on the limit, and the limit makes tension force keep certain.When hand changes to making the thing mode of pushing, the tension force of making thing is changed, the stretched condition of making thing that is admitted to is changed.At this moment, the finish size of making goods is changed etc., make quality produce deviation.Particularly on grey cloth, when lace or elastic cord etc. is had making thing and making of retractility, the tension force difference of making thing just becomes big to the influence of making goods.According to such reason, wish to have a kind of device that can measure the tension force of making thing.
Figure 12 is the synoptic diagram of representing simplifiedly as the flexible strap batcher 1 of prior art.The structure of disclosed flexible strap batcher 1 is in No. the 3061256th, Japanese patent gazette: extracted out from the cloth roll coil of strip 4 by driven roller 3, the strap 2 that will stretch, be situated between and supply with by sending guide member 5.On this flexible strap batcher 1, for at driven roller 3 with send between the guide member 5, supply with flexible strap 2 with lax state, the detection arm 7 of energy rotary displacement is being set, make its leading section and intersect above the strap of slack, slack according to flexible strap 2 makes detection arm 7 carry out rotary displacement up and down, detects the rotary displacement amount of above-mentioned detection arm 7 with sensor 8.Then, by the upper-lower position of control part 9, the driving revolution that makes the motor 10 that driven roller 3 rotates is controlled according to detection arm 7.On this flexible strap batcher 1, the slack of flexible strap 2 is detected, and this structure can also be detected the tension force of the strap 2 that stretches as the upper-lower position of detection arm 7.
Though in No. the 3061256th, Japanese patent gazette, in the disclosed prior art, can measure the tension force of flexible strap,, be the structure that is used to measure slack originally, even the tension force of making thing can not be correctly measured in directly peculation.And this structure is complicated, and the restriction that the place is set is bigger, can not be arranged near the sewing position that is provided with a plurality of miscellaneous parts such as sewing needle, and in addition, this structure is can not measurement operation person to make the tension force of thing during according to hand.Like this, also do not have can measurement operation person carries according to hand auxiliaryly near sewing position the device of making thing tension force, wishing very much to have such device.
Summary of the invention
The purpose of this invention is to provide a kind of tension detector for sewed articles, it is provided with the less-restrictive in place, even the operator according to the thing of making of hand, also can measure this tension force of making thing.
Tension detector for sewed articles of the present invention is characterized in that, comprises ejection portion and test section, and above-mentioned ejection portion is used to make from gas supply source gas supplied to making the thing ejection; Above-mentioned test section is what to be used to detect from the quantity of state of the gas of ejection portion ejection; Above-mentioned ejection portion be arranged on respect to the needle downing position of needle plate be positioned at the upstream side of feeding direction, near sending on the position of tooth.
According to tension detector for sewed articles of the present invention, it is to make gas spray, be detected by test section the quantity of state of representing this gaseous state from ejection portion to making thing.The squit hole of ejection portion is in the state that sewn object covers (below, be called " covering state "), and this covering state changes according to the tension force of making thing.When the covering state changed, to the just variation of resistance of gas ejection, the quantity of state of the gas of ejection just changed.By detecting this quantity of state, just can obtain the tension force of making thing from this quantity of state.And, as long as ejection portion is arranged near the position that will measure tension force just passable, other members can be arranged on away from the position on, thereby the restriction in place is set seldom.Even the operator by making on the thing, also can measure tension force with hand.
Tension detector for sewed articles of the present invention also comprises supplies with the adjustment part, and this supplies with the adjustment part between gas supply source and ejection portion, adjusts the quantity of state that is fed to the gas of ejection portion from the gas supply source.
According to the present invention, the quantity of state that is fed to the gas of ejection portion from the gas supply source is adjusted by supplying with the adjustment part.Thus, can prevent to change because of supply condition, it can be adjusted to basis only and make the tension force of thing and change by the gaseous state amount that test section detects.
Be characterised in that at tension detector for sewed articles of the present invention the quantity of state of gas comprises pressure.
According to the present invention, the quantity of state of gas is to comprise pressure.Between the pressure of gas and the tension force of making thing relevant relation is arranged, just can obtain the tension force of making thing by detection to this pressure.
Tension detector for sewed articles of the present invention is characterised in that, also comprises operational part and reports portion, and above-mentioned operational part is that the quantity of state computing that is used for the gas that detects according to test section is obtained and made thing tension force; The above-mentioned portion of reporting is used to report the relevant information of the tension force with making thing of being tried to achieve by operational part.
According to the present invention, carry out computing and try to achieve the tension force of making thing by the quantity of state of operational part from detected gas.By reporting portion the relevant information of the tension force with making thing of trying to achieve is reported to the operator again.Like this, just can automatically try to achieve the tension force of making thing, and the information that will be correlated with is therewith reported to the operator.
If employing the present invention then can try to achieve the tension force of making thing from detected gaseous state amount.And, as long as with ejection portion be arranged on to measure tension force the position near just passable, other members can be arranged on away from the position on, the restriction in place seldom is set.Can on the position of wanting to grasp the tension force of making thing, make the tension detection of thing thus, very high convenience is arranged.For example, ejection portion can be arranged on, at this moment, just can measure and be made the tension force of making thing before making near the sewing position that thing makes.And, even the operator with hand according to, also can measure tension force.For example, even the operator assists the thing of sending to of making according to hand, also can measure the tension force that this makes thing.Like this, just can make that convenience is higher, the determinator of the tension detection that can be fine be suitable for making thing.
If employing the present invention then can adjust the quantity of state by the detected gas of test section,, its basis changes so that making the tension force of thing.Can measure the tension force of making thing accurately thus.
If employing the present invention then can detected pressures and try to achieve the tension force of making thing.Can easily realize being used for the sensor of detected pressures, and the manufacturing of implement device easily.
If employing the present invention then can automatically try to achieve the tension force of making thing, the information relevant with this tension force is reported to the operator, thereby the operator can easily grasp the tension force of making thing.
Can more clearly understand purpose of the present invention, characteristic and advantage by following detailed description and accompanying drawing.
Description of drawings
Fig. 1 is the front view of the tension detector for sewed articles of expression one embodiment of the present of invention.
Fig. 2 is used to illustrate the sectional drawing of being measured the principle of tension force by determinator.
Fig. 3 is the chart of an example concerning between expression tension force of being tried to achieve by correction test and the pressure.
Fig. 4 is the stereogram that expression is provided with the Sewing machines of determinator.
Fig. 5 is the block diagram of the structure of expression determinator.
Fig. 6 is near the stereogram of needle plate of representing Sewing machines enlargedly.
Fig. 7 is the vertical view of expression needle plate.
Fig. 8 is the sectional drawing along the S8-S8 line of Fig. 7.
Fig. 9 is the front view of the 1st member of expression spray nozzle part.
Figure 10 is the vertical view of expression the 1st member.
Figure 11 is the front view of the 2nd member of expression spray nozzle part.
Figure 12 is the synoptic diagram of representing simplifiedly as the flexible strap batcher of prior art.
The specific embodiment
Below, with reference to accompanying drawing, most preferred embodiment of the present invention is described in detail.
Fig. 1 is the front view of the tension detector for sewed articles 20 of expression one embodiment of the present of invention.Tension detector for sewed articles (following, abbreviate as " determinator ") the 20th is used to measure the device of making thing tension force.Determinator 20 comprises ejection portion 21 and test section 22 at least, and present embodiment also has additional and supplies with adjustment part 23, gas supply source 24, control part 25, reports portion 26, pipeline 27.
In the present embodiment, test section 22 is pressure sensors, and it detects the gas pressure as the gaseous state amount.As pressure sensor, can use the sensor of various principles, structure, there is no particular limitation.
Supply with adjustment part 23 on the pipeline 27 between gas supply source 24 and the ejection portion 21, be used to adjust the gaseous state amount of supplying with ejection portion 21 from the gas supply source.Specifically, be to be adjusted to like this to ejection portion 21 condition of supplying, promptly, do not have under the state that sewn object 30 covers at squit hole 31, in other words, under the state that gas can freely spray from squit hole 31, the quantity of state of the gas that sprays from squit hole 31 is become necessarily.
In the present embodiment, supply with adjustment part 23 and be provided with adjuster 33 and flow rate regulating valve 34.Adjuster 33 and flow rate regulating valve 34 are respectively on pipeline 27.
Adjuster 33 as the pressure adjustment part also can be called pressure regulator valve, is used for the pressure of secondary side is adjusted to setting pressure.Therefore, even the pressure of gas supply source 24 sides of gas direction of the supply upstream side that becomes this adjuster 33 is because the former thereby changes such as action of gas supply source 24, also can prevent to become the pressure oscillation of ejection portion 21 sides in the gas direction of the supply downstream of adjuster 33, make its power be held in certain setting pressure.Setting pressure can be operated and at random be set by the operator.
Be provided in the gas direction of the supply downstream of adjuster 33 as the flow rate regulating valve 34 of flow adjustment part.Flow rate regulating valve 34 is to make to adjust the aperture of valve, is adjusted by the flow that the adjustment of this aperture is adjusted valve 34 with regard to energy convection current inflow-rate of water turbine.Therefore, just can adjust the gas supply flow rate of supplying with ejection portion 21 from gas supply source 24.And, owing to by the adjuster 33 that is arranged on upstream side pressure is held in necessarily, thereby also supply flow rate can be become necessarily.The aperture of flow rate regulating valve 34 can be operated and at random be set by the operator.
Owing to be provided with this supplys adjustment part 23, thereby just energy will be fed to the pressure of gas of ejection portion 21 and flow and is held in definitely and adjusted.If pressure and flow do not change, then flow velocity also is certain, just pressure, flow and the flow velocity of gas can be held in necessarily thus.Like this, the gaseous state amount that is fed to ejection portion 21 from gas supply source 24 just can be held in necessarily by supplying with adjustment part 23.
Tension information can be the information of expression tension force, also can be whether expression tension force is greater than the information of predefined setting value or the expression tension force information in predefined scope whether.Reporting portion 26 constitutes in order to report such tension information.
Whether reporting portion 26 is the structures as display part, can show tension force with numeral and color etc., can show greater than setting numerical value tension force, can show that also tension force is whether in scope.At this moment, though can use the display part that as liquid crystal indicator, can show numeral and literal, but also can be such structure, for example with the display part that is provided with one or more bulbs, can carry out the replacement of lighting and extinguishing of bulb according to the difference of tension force, the bulb of lighting is changed or making the number of the bulb of lighting that the structure of change take place, also can be the structure that luminous color of making of other and luminous light quantity (brightness) change.
Fig. 2 is used to illustrate the sectional drawing of being measured the principle of tension force by determinator 20.Fig. 3 is the chart of an example concerning between expression tension force of being tried to achieve by correction test and the pressure.Omitted the thickness of making thing 30 in the expression of Fig. 2.Fig. 3 represents with the tension force of making thing 30 of various sewer and the relation between the pressure.When making gas when making thing 30 ejection, by gas will make thing 30 from ejection portion 21 push to away from direction.At this moment, if make thing 30 no matter the size of tension force how the resistance during gas permeation be certain, then shown in Fig. 2 A, the tension force of making thing 30 is more little, just is indexed to from ejection portion 21 position far away more; Shown in Fig. 2 B, the tension force of making thing 30 is big more, just rests on the position of approaching more ejection portion 21.
Make thing 30 away from ejection portion 21, gas is just more little to the resistance of ejection, just easy more ejection.On the contrary, make the approaching more ejection of thing 30 portion 21, gas is just big more to the resistance of ejection, just difficult more ejection.
And when the kind that make thing 30 not simultaneously, specifically, when structure of making thing 30 and gauge etc. not simultaneously, the resistance during gas permeation is also just different.Particularly when make thing 30 be have retractility, make by the difference of tension force that the size of knitting eye (Woven order) and mesh (Knitting order) changes make thing the time, even with a kind of thing of making, because the difference of tension force, the resistance in the time of also can making gas permeation changes.Therefore, resistance to ejection, promptly, the variation of the complexity that sprays only do not depend on make thing 30 be in respect on the approximated position of ejection portion 21 and the opposite direction away from the position, also depend on the kind of making thing 30, the variation of knitting eye and width of mesh.When the complexity of ejection changed, the ejection state of gas just changed, and the guarantor of the gas that is ejected draws together just variations of quantity of state such as pressure.
Like this, the quantity of state from the gas of ejection portion 21 ejection can change according to the decisive factors such as tension force of making thing 30.Thereby, carry out correction test, as shown in Figure 3, obtain the relation as the pressure and the tension force of quantity of state of each each kind of making thing 30, promptly, try to achieve above-mentioned information relationship, when actual making, use this information relationship, carry out computing and obtain the tension force of making thing 30 from the pressure of gas.
Like this, according to determinator 20, to making thing 30 ejection gases, detect the quantity of state such as the pressure of this gaseous state of expression by test section 22 by ejection portion 21.By detection, just can carry out computing and obtain the tension force of making thing 30 by control part 25 to this quantity of state.As long as because that such determinator 20 is arranged on ejection portion 21 near the position that will measure tension force of making thing 30 is just passable, can be with other main member, specifically, members such as test section 22, supply adjustment part 23, gas supply source 24 can be arranged on the position far away, thereby the restriction in place just seldom is set.And, owing to be to keep making thing 30 with members such as rollers, thereby do not made the maintenance of thing 30 and the restriction of configuration yet, even the operator with hand according to making thing, also can carrying out the mensuration of tension force.
And, adjust from the gas that gas supply part 24 is fed to ejection portion 21 by supplying with 23 pairs of adjustment parts, the quantity of state of gas is held in necessarily.Prevent from thus to change because of supply condition, make the gaseous state amount only because of the tension force of making thing 30 changes, thereby can measure tension force accurately by the gaseous state amount that test section 22 detects.
Can also automatically obtain tension force by control part 25, report to the operator by the relevant information of the tension force with making thing 30 of reporting portion 26, will trying to achieve.Make the operator can easily grasp the tension force of making thing 30.Therefore,, also can grasp the tension force of making thing 30, can finish well and make operation even operator's technology does not reach very high qualification.
Fig. 4 is the stereogram that expression is provided with the Sewing machines 40 of determinator 20.Fig. 5 is the block diagram of the structure of expression determinator 20.Fig. 6 is near the stereogram of representing enlargedly the needle plate 41 of Sewing machines 40.Sewing machines 40 is to be used for being sewn on as the 1st of cloth base and making Sewing machines on the thing (below, be sometimes referred to as " cloth base ") 30 make thing 42 (below, be sometimes referred to as " ribbon ") as the 2nd of ribbon, is the double diagonal stitch Sewing machines for example.Under the situation of double diagonal stitch Sewing machines, be used for such as make ribbons such as lace as the ornament of brassiere.Can also use the Sewing machines of other kinds, for example be used for elastic cord will being made the Sewing machines under situations such as the waistline portion of swimsuit or bottom of s trouser leg portion.
Sewing machines 40 has sewing machine main body 47 and determinator 20.Sewing machine main body 47 is made each on base plate B that thing 30,42 is placed on needle plate 41 with overlapping state, and each makes thing 30,42 by needle plate 41 and presser feet 43 clampings.Under this state, sewing machine main body 47 is when being provided with the feed mechanism that send tooth (not having expression among the figure) each is made thing 30,42 and sends to towards feeding direction A, pin 44 is moved back and forth up and down and make needlework insert logical each and make thing 30,42, with the syringe 49 that moving up and down synchronously of pin driven by revolution needlework are caught, it is engaged with the line of shuttle and form needle tracking.Like this, just can make thing 30,42 to each makes.
When making thing 30,42 by 47 pairs of sewing machine main bodies and make, ribbon 42 is matched, automatically supplies with the action of making of sewing machine main body 47 by feedway 48, cloth base 30 be by the operator with hand auxiliaryly according to, make it gauffer etc. not take place, be fed to sewing position with the stretched condition that is suitable for making, specifically this sewing position more is positioned at the upstream side of feeding direction A than needle downing position.At this moment, when the tension force that is added on the cloth base 30 is changed, will be making deviations such as producing size on the goods, in order to prevent the generation of this accident, tension force to cloth base 30 is measured, and determinator 20 is set to report the operator.
Like this, under situation about determinator 20 being arranged on the Sewing machines 40, can be with the driving of display part 50, sewing machine main body 47 51 and buzzer 52 as reporting portion 26.Though at this moment also can be fully be 51 and buzzer 52 without the driving of display part 50, sewing machine main body 47, can use 1 or 2 among them selectively.
The structure of display part 50 is to have a plurality of, 5 bulbs 56 for example that are made of light emitting diode (LED:Light emittingDiode) for example, control, make with the bulb 56 of the corresponding number of tension force of cloth base 30 and light by control part 25, show the tension force of cloth base 30 by the number of lighting.One more specifically the structure of example be to each bulb 56 light and different switching tension force when extinguishing is set, the number of the bulb of lighting 56 and the tension force of cloth base 30 are changed accordingly.At this moment, also can be with the bulb 56 of different colours look, promptly, the bulb that will change discontented predefined the 1st critical value of tension force gets green, and conversion tension force is got into redness etc. above the bulb 56 of the 1st critical value.By such demonstration, the operator just can grasp the tension force situation of making thing.
The driving of sewing machine main body 47 be 51 have power generation transmission mechanism, pin 44, syringe 49 such as drive source as motor (not expression among the figure) and belt pulley 53 and comprise feed mechanism make mechanism 54.Be 51 when being also used as the portion 26 of reporting with this driving, driving is 51 to be controlled by control part 25.Specifically, when discontented predefined the 2nd critical value of the tension force of cloth base 30, allow that other the operation of carrying out according to the operator makes action, when the tension force of cloth base 30 surpasses the 2nd critical value, other operational circumstances that the unattended operation person carries out how, all makes forcibly to make to move to stop.Thus, the action of making that the operator just can experience sewing machine main body 47 stops, and can grasp tension force.This driving is 51 also to be an individual sense portion.
The the 1st～the 3rd above-mentioned critical value can be same value each other, also can be different values.And display part 56 can be the structure that shows tension force with numeral.And buzzer 52 can be that tension force according to cloth base 30 makes in volume and the tone color any one structure that changes at least.
Fig. 7 is the vertical view of expression needle plate 41.Fig. 8 is the sectional drawing along the S8-S8 line of Fig. 7.Fig. 9 is the front view of the 1st member 55 of expression injection portion 21.Figure 10 is the vertical view of expression the 1st member 55.Figure 11 is the front view of the 2nd member 56 of expression injection portion 21.On needle plate 41,, on the upstream side position of feeding direction A, insert the earthing along the thickness direction of needle plate 41 and be formed with the cylindric erection opening 58 that is used to install injection portion 21 with respect to the central point C of needle downing position.The action that erection opening 58 is formed on sending tooth can not bring on the position of obstruction, and on the position near the central point C of needle downing position as far as possible.
The 2nd member 56 has: base portion 64, the connecting portion 63 that is connected with a side of the axis direction of base portion 64.Base portion 64 has the external diameter also bigger than the internal diameter of above-mentioned erection opening 58, the rest portion 65 that the formation instrument is shelved on the opposite side surface element of axis direction.Connecting portion is being established external screw thread 63 quarters, makes to be threadedly engaged with the 1st member 55.On the 2nd member 56, form along the radial direction opening of base portion 64 and on connecting portion 63, along the via hole 66 of axis direction opening.On the base portion 64 of the 2nd member 56, on the part 80 of adjacency via hole 66, carve and establishing internal thread, make and another end thread of pipeline 27 can be engaged the ground connection.
The above embodiments are the example of one embodiment of the present of invention only, and said structure can change.For example, by the gaseous state amount that test section 22 detects, can replace pressure and adopt flow velocity or flow; Also can a plurality of quantity of states in these quantity of states be detected.And the person that can not only measure the aforesaid operations also can measure ribbon 42 and wait other to make the tension force of thing according to the tension force of hand, auxiliary the cloth base of sending to 30.Also can be arranged on double diagonal stitch Sewing machines other Sewing machiness in addition.And the 1st member that constitutes ejection portion 21 and the 2nd member 55,56 can also to make at the 1st member 55 be external screw thread is set, on the 2nd member 56 internal thread is set and the structure that is connected.
Under the situation that does not break away from theme of the present invention or principal character, can implement the present invention with other mode.Therefore all contents of the foregoing description are nothing but a simple example.Described in scope of the present invention such as claims, be not subjected to any qualification of specification.And every distortion or change that belongs in the described scope of claims all is within the scope of the present invention.
Claims (5)
1. tension detector for sewed articles is characterized in that, includes ejection portion and test section, and above-mentioned ejection portion is used to make from gas supply source gas supplied to making the thing ejection; Above-mentioned test section is what to be used to detect from the quantity of state of the gas of ejection portion ejection; Above-mentioned ejection portion be arranged on respect to the needle downing position of needle plate be positioned at the upstream side of feeding direction, near sending on the position of tooth.
2. tension detector for sewed articles as claimed in claim 1 is characterized in that, also comprises to supply with the adjustment part, and this supply adjustment part is situated between and is located between gas supply source and the ejection portion, adjusts the quantity of state that is fed to the gas of ejection portion from the gas supply source.
3. tension detector for sewed articles as claimed in claim 1 is characterized in that the quantity of state of above-mentioned gas comprises pressure.
4. tension detector for sewed articles as claimed in claim 2 is characterized in that the quantity of state of above-mentioned gas comprises pressure.
5. as any described tension detector for sewed articles in the claim 1～4, it is characterized in that, also comprise operational part and report portion that above-mentioned operational part is to be used for obtaining according to the gaseous state amount computing that test section detects making thing tension force; The above-mentioned portion of reporting is used to report the relevant information of the tension force with making thing of being tried to achieve by operational part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004053527A JP2005237756A (en) | 2004-02-27 | 2004-02-27 | Tension measuring device for sewn object |
| JP053527/2004 | 2004-02-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1661153A CN1661153A (en) | 2005-08-31 |
| CN1661153B true CN1661153B (en) | 2011-04-13 |
Family
ID=35010678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510052472 Expired - Fee Related CN1661153B (en) | 2004-02-27 | 2005-02-28 | Tension detector for sewed articles |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2005237756A (en) |
| CN (1) | CN1661153B (en) |
| TW (1) | TW200600632A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3910522A (en) * | 1974-09-18 | 1975-10-07 | Worldwide Converting Mach | Web tension control system |
| US4102280A (en) * | 1976-02-23 | 1978-07-25 | Durkoppwerke Gmbh | Feed device for flexible workpieces, especially for a sewing machine |
| CN1456729A (en) * | 2002-05-09 | 2003-11-19 | 大和缝纫机制造株式会社 | Controller of sewing device |
| EP0825426B1 (en) * | 1996-08-22 | 2004-01-07 | Nähtechnik Sahl Ges.m.b.H. | Device for tension controlled feeding of an elastic band or the like to a machine, in particular a sewing machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62213795A (en) * | 1986-03-17 | 1987-09-19 | 株式会社廣瀬製作所 | Sewing method |
| JP4014746B2 (en) * | 1998-12-11 | 2007-11-28 | 株式会社山東鉄工所 | Fabric tension detecting device |
-
2004
- 2004-02-27 JP JP2004053527A patent/JP2005237756A/en active Pending
-
2005
- 2005-02-23 TW TW094105405A patent/TW200600632A/en not_active IP Right Cessation
- 2005-02-28 CN CN 200510052472 patent/CN1661153B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3910522A (en) * | 1974-09-18 | 1975-10-07 | Worldwide Converting Mach | Web tension control system |
| US4102280A (en) * | 1976-02-23 | 1978-07-25 | Durkoppwerke Gmbh | Feed device for flexible workpieces, especially for a sewing machine |
| EP0825426B1 (en) * | 1996-08-22 | 2004-01-07 | Nähtechnik Sahl Ges.m.b.H. | Device for tension controlled feeding of an elastic band or the like to a machine, in particular a sewing machine |
| CN1456729A (en) * | 2002-05-09 | 2003-11-19 | 大和缝纫机制造株式会社 | Controller of sewing device |
Non-Patent Citations (2)
| Title |
|---|
| JP昭62-213795A 1987.09.19 |
| JP特开2000-180279A 2000.06.30 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005237756A (en) | 2005-09-08 |
| CN1661153A (en) | 2005-08-31 |
| TW200600632A (en) | 2006-01-01 |
| TWI352759B (en) | 2011-11-21 |
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