CN102560910A - Feeding device of sewing machine - Google Patents
Feeding device of sewing machine Download PDFInfo
- Publication number
- CN102560910A CN102560910A CN201110380530XA CN201110380530A CN102560910A CN 102560910 A CN102560910 A CN 102560910A CN 201110380530X A CN201110380530X A CN 201110380530XA CN 201110380530 A CN201110380530 A CN 201110380530A CN 102560910 A CN102560910 A CN 102560910A
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- China
- Prior art keywords
- sewing
- feeding
- feed rolls
- needle plate
- pay
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/10—Work-feeding means with rotary circular feed members
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
A feed roller (5) which rotates about a supporting shaft (50) extending in parallel with a needle plate (9) is supported by a presser base (21) attached to a lower end of a presser bar (2). The feed roller (5) descends by fall of the presser bar (2), sandwiches cloth for sewing between itself and a driven roller 30 provided in a corresponding position of the needle plate (3), intermittently rotates, and feeds the cloth for sewing. Repeated rotation of a feed drive shaft (40) is transmitted to the feed roller (5) via a swinging arm (43), an upper link (46), a feed transmission shaft (44), a lower link (47) and a transmission bracket (48), and the feed roller (5) rotates only while the feed drive shaft (40) rotates in one direction.
Description
Technical field
The present invention relates to a kind ofly apply the pay-off of the Sewing machines of feeding to being set up in sewing on the needle plate on the sewing machine table.
Background technology
Making of Sewing machines be, puts on the needle plate that is set up on the sewing machine table through sewing is carried, and utilizes the presser feet that drops on the above-mentioned needle plate to push, and this sewing applied with the synchronous batch (-type) feeding of moving up and down of sewing needle implement.Above-mentioned presser feet is sagging from the sewing machine arm that is positioned at the sewing machine table top, and is installed in the front end that the user can carry out the compressor arm of descending operation and pressing force adjustment.The user of Sewing machines is carried sewing under the state that presser feet is risen and is put on needle plate, comes the clamping sewing through presser feet is carried out step-down operation.
Usually, the feeding of sewing is implemented (for example with reference to No. 367902 communique of Japan Patent) through the action that is disposed at the inner feeding tooth of sewing machine table.The feeding tooth is used to the transmission from the inner feed mechanism of sewing machine table, in the face vertical with needle plate, carries out elliptic motion, carries out on needle plate outstanding and move, submerge needle plate under and the action of moving along the opposite direction return along a direction feeding repeatedly.The opposite joint material that is used for of the feeding tooth in moving through feeding applies feeding.
Summary of the invention
As previously discussed, existing Sewing machines utilization is outstanding and carry out the feeding tooth that feeding is moved from needle plate, and the sewing that is held between needle plate and the presser feet is applied feeding.Because therefore the extruding of feeding tooth following problem will be occurred by the lower surface of presser feet sewing of pushing from the top, for example, when making soft lining, the residual profile of tooth that the feeding tooth is arranged on the lining of sewing finishing causes the end product quality of quilt to reduce.
Though this problem can relax through pressing force that changes presser feet and the extruding force of regulating the feeding tooth,, in this case; Need implement suitable adjusting according to sewing; For example, the making of the lining that commute is sliding, feeding becomes inhomogeneous owing to sewing skids between presser feet and feeding tooth; From another angle, the end product quality of quilt will reduce.
The present invention proposes in view of such problem, and it is a kind of no matter how the kind of sewing can both apply the pay-off of the Sewing machines of suitable feeding reliably that its purpose is to provide.
The pay-off of Sewing machines of the present invention is provided on the Sewing machines, and said Sewing machines has: upper surface sets up the sewing machine table of needle plate; And the top and supporting shank and the compressor arm that are positioned at this sewing machine table are to the sagging sewing machine arm of said needle plate; The pay-off of said Sewing machines applies the feeding synchronous with moving up and down of said shank to the sewing on the said needle plate, and the pay-off of said Sewing machines comprises: the platform that compresses that is installed on said compressor arm lower end; Can compress the feed rolls on the platform in this around the axle free rotary ground supporting parallel with said needle plate; Drive the drive division of said feed rolls rotation off and on; And driven voller; Can be around the axle free rotary ground supporting parallel in the bottom of said needle plate with said feed rolls; Said feed rolls is constituted as through said compressor arm is descended; Said sewing is clamped in said feed rolls and is exposed between the said driven voller on the said needle plate, so that this sewing is applied feeding.
In the pay-off of Sewing machines of the present invention; The feed rolls that descends with compressor arm is held under the state between the driven voller on itself and the needle plate at sewing and is rotated, so that this sewing is applied feeding, therefore; Do not worry on the lining after the sewing finishing, the feeding vestige residually being arranged; Pushing force according to the kind of sewing adjustment feed rolls can apply suitable feeding reliably, thereby can realize making of better quality easily.
In the pay-off of Sewing machines of the present invention, said drive division comprises: the feeding driving shaft, be supported on said sewing machine arm inside, and rotate repeatedly along with the rotation of machine spindle; The feeding power transmission shaft with connecting inside and outside the said sewing machine arm, moves up and down through the transmission from said feeding driving shaft; And one-way clutch, give said feed rolls with the mobile transmission of a direction of said feeding power transmission shaft.
The transmission of the feeding driving shaft that is used to rotate repeatedly comfortable sewing machine arm inside drives feed rolls, therefore can utilize simple formations drive installation at intermittence in the feed rolls that compresses on the platform.
In the pay-off of Sewing machines of the present invention, said drive division comprises: the feeding motor is fixedly attached to the outside of said sewing machine arm; And transmission mechanism, the rotation of said feeding motor is passed to said feed rolls.
The pay-off of above-mentioned Sewing machines is provided with special-purpose feeding motor, utilizes this feeding motor to drive the feed rolls rotation, thereby through the control to the feeding motor, can suitably regulate the amount of feeding of the sewing that the rotation by feed rolls produces.
The pay-off of Sewing machines of the present invention comprises: auxiliary presser feet can be installed on the said platform that compresses with freely moving up and down, and be positioned at the place ahead of said feed rolls; And the force section, to the downward application of force of said auxiliary presser feet.
Owing to dispose the auxiliary presser feet of the downward application of force in the place ahead of feed rolls, thereby can utilize this auxiliary presser feet that the sewing on the needle plate is pushed, and it is stably sent into sewing position, thereby can make reliably.
The pay-off of Sewing machines of the present invention comprises the supplementary feeding tooth; Said supplementary feeding tooth is arranged at the inside of said sewing machine table; And outstanding and sewing is clamped between said supplementary feeding tooth and the said auxiliary presser feet, and said sewing is applied the feeding towards said feed rolls from said needle plate.
Owing to be provided with the supplementary feeding tooth; This supplementary feeding tooth is outstanding and sewing is held between itself and the auxiliary presser feet from needle plate; This sewing is applied feeding, therefore can more reliably sewing be sent into to sewing position, and through increasing and decreasing the feeding amount of supplementary feeding tooth; The elongation degree of variable sewing between feed rolls, thus the making of lining of retractility can be rich in well.
Description of drawings
Fig. 1 is the stereogram of pay-off of the Sewing machines of first embodiment.
Fig. 2 is the sectional view of pay-off shown in Figure 1.
Fig. 3 is the stereogram of pay-off of the Sewing machines of second embodiment.
The specific embodiment
Below, the accompanying drawing according to its embodiment of expression details the present invention.Fig. 1 is the stereogram of pay-off of the Sewing machines of first embodiment, and Fig. 2 is the sectional view of pay-off shown in Figure 1.
Illustrated pay-off be provided in have shank 1, on the Sewing machines of compressor arm 2 and needle plate 3.Shank 1 and compressor arm 2 front and back (among Fig. 2 about) are configured in the inside of sewing machine arm (having omitted diagram) side by side, by separately support sleeve 10,20 supportings being free to slide at above-below direction.
Lower end at shank 1 outstanding below support sleeve 10 is equipped with three pieces of pins 12 by needle stand 11.In addition, the top of outstanding shank 1 needle bar drive device (omitted diagram) inner with being arranged at sewing machine arm is connected from support sleeve 10 tops.Needle bar drive device is that the rotation of going up axle 4 that sewing machine arm is inner passes to shank 1 so that the pin 12 of this shank 1 and this shank 1 lower end carries out the rising of predetermined stroke and the well known organization of down maneuver, thereby has omitted the explanation to its structure and action.
Be fixed with in the lower end of compressor arm 2 outstanding below support sleeve 20 and compress platform 21.As shown in Figure 1, compress platform 21 and extend along left and right directions in the front portion of compressor arm 2, be connected with clamping arm 22,22 that forwards extends and the supporting arm 23,23 that extends integratedly downwards in the end that compresses platform 21 left and right sides.
As shown in Figure 2, the bottom of supporting arm 23 forms branch to the back lower place and the place ahead, is supported with feed rolls 5 in the branch end of extending to the back lower place through fulcrum 50.In Fig. 2, a side supporting arm 23 that compresses platform 21 only is shown, the supporting arm 23 of opposite side also has same shape.The fulcrum 50 of feed rolls 5 is erected between the rearward end of left and right sides supporting arm 23,23.Feed rolls 5 can be center rotation with fulcrum 50, as after state, through from being set up in parallel the transmission of going up the feeding driving shaft 40 of axle 4, drive this feed rolls 5 and rotate off and on to a direction in above-mentioned.
On the other hand, but fulcrum 24 above-below directions run through with being free to slide and are bearing in forwards the end of the supporting arm 23 that extends.As shown in Figure 1, also run through in the end of the supporting arm 23 of opposite side and support this fulcrum 24 by same fulcrum 24, in the bottom of these fulcrums 24,24, with after state that supplementary feeding tooth 34 is corresponding to be equipped with auxiliary presser feet 25.
In addition, the downward application of force in upper end of 26 pairs of fulcrums 24 of stage clip, wherein, stage clip 26 is kept by the opposed clamping arm 22 in top, the upper end of fulcrum 24.As shown in Figure 2, stage clip 26 remains in the retaining hole that connects clamping arm 22 along the vertical direction, itself and the bottom of set screw 27 and the upper end Elastic Contact of fulcrum 24, and wherein said set screw 27 is threaded with this retaining hole upper end.In Fig. 1, after the clamping arm 22 in left side blocked, the installment state between two parties of stage clip 26 is shown.For the application of force to stage clip 26 increases and decreases adjusting, from the top adjusted screw 27 of clamping arm 22.
The compressor arm 2 that can utilize suitable means such as action bars operation to come supporting to be compressed platform 21 rises and step-down operation, makes to be supported on the feed rolls 5 that compresses on the platform 21 and also to rise and descend with auxiliary presser feet 25.Be the bulk of boat-shaped like Fig. 1, auxiliary presser feet 25 shown in Figure 2, as shown in Figure 1, on this auxiliary presser feet 25, in the left and right sides fulcrum 24, connect between 24 and be formed with pin hole 28.This pin hole 28 is set to supply the pin 12 with shank 1 descends to pass.
Needle plate 3 is erected on the upper surface of the sewing machine table (having omitted diagram) that is positioned at the sewing machine arm below.This needle plate 3 has the front and back length of the down position that comprises shank 1 and compressor arm 2, like Fig. 1, shown in Figure 2, with feed rolls 5 and the rear portion of auxiliary presser feet 25 and needle plate 3 and the upper surface butt of front portion of compressor arm 2 declines.In addition, the pin 12 that descends with shank 1 can pass and be arranged at the pin hole (having omitted diagram) on the needle plate 3 accordingly with above-mentioned pin hole 28 and get in the sewing machine table of bottom of needle plate 3.In addition, Fig. 1, shank 1 and pin 12 shown in Figure 2 are positioned at lifting position.
At the rear portion of needle plate 3, driven voller 30 is installed corresponding to the down position of feed rolls 5.As shown in Figure 2, but driven voller 30 by with needle plate 3 abreast along about fulcrum 32 free rotary ground supportings that extend be arranged on the support 31 of needle plate 3 lower surfaces outstanding.Make this driven voller 30 expose a part, and contact with the feed rolls that as above-mentioned, descends 5 rotations at the upside of needle plate 3.Carry under the situation about placing on the needle plate 3 at sewing, this sewing also is clamped between feed rolls 5 and the driven voller 30.
In addition, in sewing machine arm, be provided with feeding power transmission shaft 44 in the rear position of compressor arm 2.Feeding power transmission shaft 44 is by the sliding axle of support sleeve 45 supporting for the short size that can be free to slide to above-below direction; The upper end of the inner feeding power transmission shaft 44 that extends of sewing machine arm through on connecting rod 46 be connected with swing arm 43 on being fixed in feeding driving shaft 40 1 ends, the feeding power transmission shaft 44 of connection carries out reciprocating action along the vertical direction along with the rotation repeatedly of feeding driving shaft 40 like this.
On the other hand, be connected with transmission bracket 48 through lower link 47 to the bottom of the outside feeding power transmission shaft 44 that extends of sewing machine arm.As shown in Figure 1, transmission bracket 48 is the members that are the open flat U font of a side, makes its outside with the supporting arm 23,23 that compresses platform 21 chimeric towards the place ahead with its open sides, and is connected with end at the fulcrum 50 of side-prominent separately feed rolls 5.Like Fig. 1, shown in Figure 2, be assembled with one-way clutch 6 at the protuberance of fulcrum 50, the connection of transmission bracket 48 realizes via the one-way clutch 6 of side separately.
According to above structure, the fulcrum 50 with feed rolls 5 is the center swing to transmission bracket 48 along with the reciprocating action of the feeding power transmission shaft 44 that transmits via lower link 47.This swing passes to the fulcrum 50 of feed rolls 5 via one-way clutch 6.Thus, feed rolls 5 is only the moving upward or move downward cause that transmission bracket 48 is rotated during direction swing of feeding power transmission shaft 44, can apply the batch (-type) feeding to the sewing that is held between itself and the driven voller 30.
The rotation of feed rolls 5 is used to produce from the inner transmission of going up axle 4 of sewing machine arm; Moving up and down of shank 1 and pin 12 also is used to produce from the transmission of last axle 4 in addition; Therefore; The sewing feeding that utilizes feed rolls 5 rotation and carry out moves up and down synchronously with pin 12, can utilize pin 12 move up and down and needle plate 3 under the action of looper (having omitted diagram) this sewing is made.
Sewing is clamped between feed rolls 5 and the driven voller 30; Utilize frictional force between the two and apply feeding, therefore, even when for example making soft lining; Do not worry residual on the lining of sewing finishing feeding vestige impression being arranged yet, can realize good end product quality.
In addition,, can apply reliable feeding, for example,, also can prevent to cause the end product quality of quilt to reduce because of feeding is bad even make when being prone to sliding lining to sewing through improving the clamp pressure between feed rolls 5 and the driven voller 30.Through increasing and decreasing the active force that compressor arm 2 is applied the stage clip (having omitted diagram) of extruding downwards, change the pressure of feed rolls 5, can adjust the clamp pressure of sewing.This adjustment is with to have the adjustment that puts on the pressure on the presser feet in the Sewing machines now same.In addition, through on the surface of feed rolls 5 and driven voller 30, applying the high material of coefficient of friction, can realize feeding more reliably.
As shown in Figure 1, in the front portion of the needle plate 3 of assisting presser feet 25 butts, be provided with the long feedhole 33 of a plurality of fore-and-aft directions, supplementary feeding tooth 34 can be separately positioned on the bottom of these feedholes 33 with haunting.Be used to from the transmission that is arranged at the feed mechanism (having omitted diagram) in the sewing machine arm; Supplementary feeding tooth 34 carries out following known action times without number; That is, outstanding through feedhole 33 from needle plate 3, rearward carry out feeding move, submerge needle plate 3 times, forwards carry out return and move.
Outstanding and during carrying out feeding and moving sewing is clamped between itself and the auxiliary presser feet 25 at supplementary feeding tooth 34 from needle plate 3, this sewing is applied the batch (-type) feeding.The tooth that supplementary feeding tooth 34 has anti-skidding usefulness at its upper surface that acts on sewing; And sewing is held on the auxiliary presser feet 25 between itself and the supplementary feeding tooth 34; Overcome the active force of the stage clip 26 of the application of force downwards and move upward; Relax the thrust of supplementary feeding tooth 34, thereby do not worried on the lining of sewing finishing, producing the indentation of supplementary feeding tooth 34.
The feeding of supplementary feeding tooth 34 is implemented for the auxiliary down position that sewing is sent to the pin 12 that is used to make.The operation of this feeding amount through feed mechanism can be regulated with being separated by feed rolls 5 additional feeding amounts.This adjusting is implemented realizes the raising of quilt quality so that for example prevent when making the sewing that is rich in retractility that sewing from extending because of feeding.
Fig. 3 is the stereogram of pay-off of the Sewing machines of second embodiment.Fig. 3 is expression and Fig. 1 observed stereogram from the rear of Sewing machines on the contrary; Except the driving mechanism of feed rolls 5; Other structures and Fig. 1 and first embodiment shown in Figure 2 are same; Corresponding component parts mark Fig. 1, Fig. 2 common with reference to label, and omit and constitute and the explanation of action.
In second embodiment, feed rolls 5 is constituted as feeding motor 8 driven in rotation by special use.Feeding motor 8 is fixed on through supporting bracket 80 on the back surface of leading section of sewing machine arm 7.Supporting bracket 80 has the supporting plate that vertically erects from the back surface of sewing machine arm 7, and feeding motor 8 is installed on this supporting plate.
In addition, on supporting bracket 80, be fixed with cylinder 83.This cylinder 83 is positioned at the top, front side of feeding motor 8, has the take-off lever towards the below, in the lower end of this take-off lever supporting member 84 is installed.Supporting member 84 is members of the open U font of downside, near the open end of extending with the mode that clips driving belt 82 both sides, the idler 85 that is positioned at driving belt 82 inboards is installed.
In addition, the rotation of feeding motor 8 is passed to the transmission mechanism of feed rolls 5, be not limited to comprise the belt gear of drive pulley 81, driven pulley 51 and driving belt 82, also can adopt other transmission mechanisms such as gear drive.
Claims (5)
1. the pay-off of a Sewing machines, it is provided on the Sewing machines, and said Sewing machines has: upper surface sets up the sewing machine table of needle plate; And the top and supporting shank and the compressor arm that are positioned at this sewing machine table are to the sagging sewing machine arm of said needle plate; The pay-off of said Sewing machines applies the feeding synchronous with moving up and down of said shank to the sewing on the said needle plate, it is characterized in that,
The pay-off of said Sewing machines comprises:
Compress platform, be installed on said compressor arm lower end;
Feed rolls can compress on the platform in this around the axle free rotary ground supporting parallel with said needle plate;
Drive division drives said feed rolls rotation off and on; And
Driven voller can be around parallel with said feed rolls axle free rotary ground supporting in the bottom of said needle plate,
Said feed rolls is constituted as through said compressor arm is descended, and said sewing is clamped in said feed rolls and is exposed between the said driven voller on the said needle plate, so that this sewing is applied feeding.
2. the pay-off of Sewing machines according to claim 1, wherein said drive division comprises:
The feeding driving shaft is supported on said sewing machine arm inside, rotates repeatedly along with the rotation of machine spindle;
The feeding power transmission shaft with connecting inside and outside the said sewing machine arm, moves up and down through the transmission from said feeding driving shaft; And
One-way clutch is given said feed rolls with the mobile transmission of a direction of said feeding power transmission shaft.
3. the pay-off of Sewing machines according to claim 1, wherein said drive division comprises:
The feeding motor is fixedly attached to the outside of said sewing machine arm; And
Transmission mechanism passes to said feed rolls with the rotation of said feeding motor.
4. according to the pay-off of each described Sewing machines in the claim 1 to 3, also comprise:
Auxiliary presser feet can be installed on the said platform that compresses with freely moving up and down, and be positioned at the place ahead of said feed rolls; And
The force section is to the downward application of force of said auxiliary presser feet.
5. the pay-off of Sewing machines according to claim 4; Also comprise the supplementary feeding tooth; Said supplementary feeding tooth is arranged at the inside of said sewing machine table; And outstanding and sewing is clamped between said supplementary feeding tooth and the said auxiliary presser feet, and said sewing is applied the feeding towards said feed rolls from said needle plate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-263934 | 2010-11-26 | ||
| JP2010263934A JP2012110583A (en) | 2010-11-26 | 2010-11-26 | Feeder of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102560910A true CN102560910A (en) | 2012-07-11 |
Family
ID=45092260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110380530XA Pending CN102560910A (en) | 2010-11-26 | 2011-11-25 | Feeding device of sewing machine |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2458053B1 (en) |
| JP (1) | JP2012110583A (en) |
| CN (1) | CN102560910A (en) |
| TW (1) | TW201229349A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6164525B2 (en) * | 2013-09-21 | 2017-07-19 | ヤマトミシン製造株式会社 | High frequency sewing machine |
| CN106377003B (en) * | 2016-11-10 | 2023-08-08 | 际华三五三四制衣有限公司 | Lining cap inserting machine |
| CN106757804A (en) * | 2016-12-29 | 2017-05-31 | 苏州匠博智能科技有限公司 | A kind of ground cushion overseam device |
| CN108103680A (en) * | 2018-03-05 | 2018-06-01 | 苏州强逸机械有限公司 | A kind of three-dimensional feed sewing machine that can fix cloth |
| CN109881375B (en) * | 2019-04-04 | 2024-05-24 | 宁波卡维自动化科技有限公司 | Fine-tuning mop wheel device of sewing machine |
| CN110846450B (en) * | 2019-12-19 | 2024-03-19 | 马鞍山钢铁股份有限公司 | Device for cleaning residual materials at lower part of large-sized blast furnace hearth |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB180832A (en) * | 1921-04-06 | 1922-06-08 | Singer Mfg Co | Improvements in or relating to sewing machines |
| US1841858A (en) * | 1926-11-15 | 1932-01-19 | Union Special Maschinenfab | Feeding mechanism for sewing machines |
| GB505072A (en) * | 1938-11-07 | 1939-05-04 | Singer Mfg Co | Feeding mechanism for sewing machines |
| GB551758A (en) * | 1941-09-04 | 1943-03-09 | Singer Mfg Co | Feeding mechanism for sewing machines |
| US3018746A (en) * | 1959-11-24 | 1962-01-30 | Ragnar W Winberg | Combined presser foot and feeder |
| US4152995A (en) * | 1977-04-27 | 1979-05-08 | Pfaff Industriemaschinen Gmbh | Sewing machine having a driven feed roller |
| JPS5517508U (en) * | 1978-07-20 | 1980-02-04 | ||
| JPS5517508A (en) * | 1978-07-25 | 1980-02-07 | Kawasaki Steel Co | Compound coating steel plate for high anticorrosive working that have excellent adherence property |
| US4854254A (en) * | 1987-03-31 | 1989-08-08 | Hsing Hsiau C | Pull roller mount for sewing machines |
| CN1220325A (en) * | 1997-11-17 | 1999-06-23 | 汉姆斯株式会社 | Automatic hem-turning sewing machine |
| JP2008054906A (en) * | 2006-08-31 | 2008-03-13 | Morimoto Mfg Co Ltd | Puller device of sewing machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS546590Y2 (en) * | 1973-01-23 | 1979-03-28 | ||
| US5027507A (en) | 1989-03-01 | 1991-07-02 | Westinghouse Electric Corp. | Method for controlling leakage through degraded heat exchanger tubes in the tubesheet region of a nuclear generator |
-
2010
- 2010-11-26 JP JP2010263934A patent/JP2012110583A/en active Pending
-
2011
- 2011-11-25 TW TW100143249A patent/TW201229349A/en unknown
- 2011-11-25 EP EP20110190688 patent/EP2458053B1/en not_active Not-in-force
- 2011-11-25 CN CN201110380530XA patent/CN102560910A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB180832A (en) * | 1921-04-06 | 1922-06-08 | Singer Mfg Co | Improvements in or relating to sewing machines |
| US1841858A (en) * | 1926-11-15 | 1932-01-19 | Union Special Maschinenfab | Feeding mechanism for sewing machines |
| GB505072A (en) * | 1938-11-07 | 1939-05-04 | Singer Mfg Co | Feeding mechanism for sewing machines |
| GB551758A (en) * | 1941-09-04 | 1943-03-09 | Singer Mfg Co | Feeding mechanism for sewing machines |
| US3018746A (en) * | 1959-11-24 | 1962-01-30 | Ragnar W Winberg | Combined presser foot and feeder |
| US4152995A (en) * | 1977-04-27 | 1979-05-08 | Pfaff Industriemaschinen Gmbh | Sewing machine having a driven feed roller |
| JPS5517508U (en) * | 1978-07-20 | 1980-02-04 | ||
| JPS5517508A (en) * | 1978-07-25 | 1980-02-07 | Kawasaki Steel Co | Compound coating steel plate for high anticorrosive working that have excellent adherence property |
| US4854254A (en) * | 1987-03-31 | 1989-08-08 | Hsing Hsiau C | Pull roller mount for sewing machines |
| CN1220325A (en) * | 1997-11-17 | 1999-06-23 | 汉姆斯株式会社 | Automatic hem-turning sewing machine |
| JP2008054906A (en) * | 2006-08-31 | 2008-03-13 | Morimoto Mfg Co Ltd | Puller device of sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201229349A (en) | 2012-07-16 |
| JP2012110583A (en) | 2012-06-14 |
| EP2458053B1 (en) | 2014-04-02 |
| EP2458053A1 (en) | 2012-05-30 |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120711 |