CN110195295A - Apparatus for sewing - Google Patents
Apparatus for sewing Download PDFInfo
- Publication number
- CN110195295A CN110195295A CN201910489669.4A CN201910489669A CN110195295A CN 110195295 A CN110195295 A CN 110195295A CN 201910489669 A CN201910489669 A CN 201910489669A CN 110195295 A CN110195295 A CN 110195295A
- Authority
- CN
- China
- Prior art keywords
- welt cloth
- welt
- sewing
- cloth
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
- A41H42/00—Multi-step production lines for making clothes
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
- A41H43/00—Other methods, machines or appliances
- A41H43/02—Handling garment parts or blanks, e.g. feeding, piling, separating or reversing
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B1/00—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both
- D05B1/08—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both for making multi-thread seams
- D05B1/10—Double chain-stitch seams
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B25/00—Sewing units consisting of combinations of several sewing machines
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B35/00—Work-feeding or -handling elements not otherwise provided for
- D05B35/02—Work-feeding or -handling elements not otherwise provided for for facilitating seaming; Hem-turning elements; Hemmers
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B35/00—Work-feeding or -handling elements not otherwise provided for
- D05B35/02—Work-feeding or -handling elements not otherwise provided for for facilitating seaming; Hem-turning elements; Hemmers
- D05B35/04—Work-feeding or -handling elements not otherwise provided for for facilitating seaming; Hem-turning elements; Hemmers with movable tools
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B65/00—Devices for severing the needle or lower thread
- D05B65/06—Devices for severing the needle or lower thread and for disposing of the severed thread end ; Catching or wiping devices for the severed thread
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
- D05D2207/00—Use of special elements
- D05D2207/02—Pneumatic or hydraulic devices
- D05D2207/04—Suction or blowing devices
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention provides a kind of apparatus for sewing, and the sewing for carrying out handwork is not needed in the sewing of the welt accessory of trousers.Apparatus for sewing (10) includes the pallet (11) with top plate (12)；Store first fabric case (21) and the second fabric case (22) of welt cloth (110)；Positioning table (41)；First folder (31)；Second folder (32)；By the welt cloth (110) for the first position (P1) for being placed in the upper surface of top plate (12) according to the first broken line (110a) doubling extended along the long side direction, and the flap (50) that the one end of the welt cloth (110) after doubling is folded into according to the second broken line (110b) extended along the one end；The first sewing machine (13) sewed to the side edge part (110c) of the welt cloth (110) after flap (50) doubling；And to the second sewing machine (14) that the invagination portion (110d) of the welt cloth (110) after flap (50) fold into sews.
Description
Technical field
The present invention relates to the apparatus for sewing of the sewing automation for the welt accessory for making jeans.
Background technique
In the past, trousers made of jean facing material are sewed and is referred to as jeans.And it circulates extensively.In general, in jeans
The reverse side of front side is sewed with other jean facing material shapes configure in a manner of covering zipper along the direction that zipper extends, by doubling
At, be referred to as welt accessory material.
Fig. 1 is the figure for illustrating the welt accessory of jeans.The master of the inner face of the front side of jeans 100 shown in Fig. 1 (a)
Part is wanted, is configured with welt accessory 101 along the direction that zipper extends in a manner of covering zipper.Using such shown in Fig. 1 (b)
One end is with the welt cloth 110 with substantially rectangular jean facing material being recessed slightly from two sides direction center, such as Fig. 1
(c) shown in, the first broken line 110a extended for the longitudinal direction along welt cloth 110 and the second broken line extended along one end
110b, in the first broken line 110a by 110 doubling of welt cloth in such a way that the front of jean facing material becomes outside, and in the second folding
Line 110b folds into one end of welt cloth 110, lockstitches a border to the side edge part 110c of the overlapping for the welt cloth 110 for having carried out doubling
Sewing carries out flush joint to the invagination portion 110d that one end is folded into, to sew welt accessory 101.
Summary of the invention
However, the welt accessory of jeans is sewed by sewing work by handwork, therefore sewing work is required centainly
The quality of technology, the welt accessory sewed is also unstable.In addition, welt accessory is sewed by handwork due to sewing work,
Therefore the amount that can be sewed is also limited.
The present invention is proposed in view of above-mentioned truth, and it is an object of the present invention to provide a kind of sewing that welt cloth is sewn into welt accessory
Device, the apparatus for sewing do not need to carry out the operation of the sewing of the handwork based on sewing work.
In order to solve above-mentioned problem, welt cloth is sewn into the welt accessory of trousers by apparatus for sewing of the invention, and is wrapped
It includes: the pallet with top plate；Welt cloth incorporating section is installed on the side of pallet, upper opening, and stacks storage welt cloth；
Positioning table is set on pallet, and is loaded welt cloth in upper surface and positioned；First folder, will be accommodated in welt cloth
The welt cloth block-by-block of incorporating section holds and takes out, and is placed in positioning table；Second folder, holding are placed in positioning table and carry out
The welt cloth of positioning, and it is placed in the first position of top plate；Flap will be placed in the welt cloth of first position according to along length
The first broken line doubling that edge direction extends, and by one end of the welt cloth after doubling according to the second broken line extended along the one end
It folds into；First sewing machine, it sews to the side edge part of the welt cloth after flap doubling；And second sewing machine,
It sews to the invagination portion of the welt cloth after flap folds into.
Being also possible to flap includes: the first pressing plate, compresses and keep the side for the welt cloth for being placed in first position
Half；Fold-back plate rises the half of the other side of welt cloth, and be overlapped in the mode on the half of side according to
First broken line doubling；Compressing member compresses and keeps being folded back plate to the side edge part of the welt cloth on the half for being folded to side；
And plate is folded into, one end of the welt cloth kept by the first pressing plate and compressing member is folded into according to the second broken line.It can also be with
It is that the first pressing plate includes across double-deck plate opposed with gap.Be also possible to the thickness of the first pressing plate for folding and sticking side cloth and
It is optimised.
It is also possible to the first sewing machine and lock seaming sewing is carried out to the side edge part of welt cloth, and there is sucking sewing initial stage
The function of idle loop.It is also possible to the second sewing machine and flush joint is carried out to the invagination portion of welt cloth.It is also possible to further include line processing
Portion, the line processing unit are cut off line using vacuum from by the invagination cloth after the second sewing machine flush joint while attracting.
Being also possible to positioning table includes: to be opposed to the datum level to connect with the welt cloth for being placed in upper surface；By welt cloth
The pushing pawl pushed towards datum level；And the one group of opposed pawl that keeps to the side for making welt cloth keep to the side in parallel with datum level.
It is also possible to, further includes: the first delivery section receives welt cloth from first position, makes welt cloth along the upper of top plate
Surface half rotation and convey, and guide the first sewing machine sewing；Second delivery section receives welt from the first delivery section
Cloth, and conveyed along the upper surface of top plate, so that rotation predetermined angular；And third delivery section, it receives and pastes from the second delivery section
Bian Bu, and guide the sewing of the second sewing machine.
It is also possible to the first folder and the second folder is the needle folder or logical for holding welt cloth by making needle from lower surface discrepancy
Vacuum is crossed to adsorb the vacuum clip of welt cloth.Being also possible to welt cloth incorporating section includes the multiple faces for stackably storing welt cloth
Hopper.
Invention effect
In the present invention, it is not needed upon the operation of the sewing of sewing work, and has no need to ensure that the personnel of sewing work.Separately
Outside, due to that the sewing of welt accessory can not be made to automate via the handwork of sewing work, the quality of welt accessory
Stablize, and the amount of sewing can be made to increase.
Detailed description of the invention
Fig. 1 is the figure being illustrated to the welt accessory of jeans.
Fig. 2 is the main view of the apparatus for sewing of present embodiment.
Fig. 3 is the top view of the apparatus for sewing of present embodiment.
Fig. 4 is the right side view of the apparatus for sewing of present embodiment.
Fig. 5 is the major part top view for indicating the major part of top view of Fig. 3.
Fig. 6 is the flow chart being illustrated to a series of movement of the apparatus for sewing of present embodiment.
Fig. 7 is the top view for indicating the variation of shape of welt cloth.
Fig. 8 is the flow chart being illustrated to a series of movement of the flap of apparatus for sewing.
Fig. 9 is the top view for indicating to be placed in welt cloth in flap the state of first position.
Figure 10 is the top view for indicating to be compressed the state of the half of the side of welt cloth with the first pressing plate in flap.
Figure 11 is the top view for indicating the state that the half of the other side of welt cloth is turned back in flap fold-back plate.
Figure 12 is to indicate to compress the top view of the state of the side edge part of welt cloth in flap compressing member.
Figure 13 is to indicate to fold into the top view for the state that plate folds into the end edge portion of welt cloth in flap.
Figure 14 is the top view for indicating the state for extracting the first pressing plate and fold-back plate out from welt cloth in flap.
In figure:
10-apparatus for sewing, 11-pallets, 12-top plates, the 13-the first sewing machine, the 14-the second sewing machine, 20-welts
Cloth incorporating section, the 21-the first fabric case, the 22-the second fabric case, 30-supply conveying units, the 31-the first folder, the 32-the second folder,
40-positioning regions, 41-positioning tables, 50-flaps, the 51-the first pressing plate, 52-fold-back plates, 53-invagination plates, 70-the first
Delivery section, the 71-the second pressing plate, the 80-the second delivery section, 81-third pressing plates, 90-third delivery sections, the 91-the four pressing plate,
92-the five pressing plate, 110-welt cloth, the position of the welt cloth in P1~P7-each process.
Specific embodiment
Hereinafter, being described in detail referring to apparatus for sewing of the attached drawing to present embodiment.The sewing of present embodiment fills
The welt accessory of the i.e. jeans of trousers of sewing jean facing material is set, and imagination makes from the process for the cloth for picking up welt cloth to seam
The process automation of welt cloth processed.Present embodiment is not limited to this, such as can also apply to ox as such as casual pants
The sewing of welt accessory other than young cloth fabric.
Fig. 2 is the main view of the apparatus for sewing of present embodiment.In the apparatus for sewing 10 of present embodiment, have along big
The top plate 12 for the upper surface for causing horizontal direction to extend is supported on scheduled height by pallet 11.The smooth landform in the upper surface of top plate 12
At slide welt cloth 110.The side edge part to the welt cloth 110 being folded is provided in the upper surface of top plate 12
The first sewing machine 13 that 110c is sewed；And to second that the invagination portion 110d for the welt cloth 110 being folded is sewed
Sewing machine 14.It is formed with opening portion 12a in the predetermined position of top plate 12, is provided with immediately below the 12a of opening portion for receiving
The container (not shown) of welt cloth 110 after sewing.In addition, being equipped with control panel in the predetermined position of the leading edge potion of top plate 12
19。
Fig. 3 is the top view of the apparatus for sewing of present embodiment.For ease of description, extend in top plate 12 approximate horizontal
The direction XY is set as follows in face: the welt cloth 110 of longitudinal direction and sewing that the leading edge potion of apparatus for sewing 10 extends is advanced
Direction is set as X-direction, will be set as Y-direction from the support or oppose direction orthogonal with X-direction of surface side of the face side of apparatus for sewing 10.
The apparatus for sewing 10 of present embodiment includes the welt cloth incorporating section 20 of storage welt cloth 110；Supply and conveying
The supply conveying unit 30 of welt cloth 110；The positioning region 40 that welt cloth 110 is positioned；And welt cloth 110 is folded
Flap 50.Keep welt cloth 110 defeated in the upper surface slide of top plate 12 in addition, the apparatus for sewing 10 of present embodiment has
The first delivery section 70, the second delivery section 80 and the third delivery section 90 sent.
Welt cloth incorporating section 20 is set to the predetermined position of the side of the leading edge potion of pallet 11, and has adjacent in X direction
The first fabric case 21 and the second fabric case 22 of ground configuration.
Fig. 4 is the right view of the apparatus for sewing of present embodiment.First fabric case 21 is formed with opening 21a above, and
Multiple welt cloth 110 can be stackably stored on bottom plate 23.Similarly, the second fabric case 22 is also formed with opening above
22a, and multiple welt cloth 110 can be stackably stored on bottom plate 24.The of the working condition in supply welt cloth 110
In one side of one fabric case 21 and the second fabric case 22, the welt cloth 110 of storage is driven via arm 27 by motor 26, with bottom plate
23, it 24 is moved on lifting direction together.
If the first fabric case 21 and the second fabric case 22 are driven in X direction by driver 29 referring to Fig. 3, make first
The supply conveying outstanding of the predetermined position of the leading edge potion of one orientation Yu Yucong top plate 12 of fabric case 21 and the second fabric case 22
The adjacent position in portion 30.Pneumatic cylinder can be used in driver 29.Other drivers are same.
Supply conveying unit 30 is arranged near the right border portion of top plate 12, and from the predetermined position of prominent leading edge potion after
Edge extends.Supply conveying unit 30, which is included by entering and leaving needle from lower surface, holds the first folder that the needle folder of welt cloth 110 is constituted
31；And the second folder 32 that the vacuum clip by adsorbing welt cloth 110 by vacuum is constituted.First folder 31 is by support plate 34
Support is driven along lifting direction by driver 36, and is driven by driver 35 along Y-direction.Second folder 32 is also supported by support plate 34,
It is driven by driver 38 along lifting direction, and is driven by driver 37 along Y-direction.Support plate 34 extends along substantially vertical direction,
It is installed on top plate 12 via pillar 33, and is formed with scheduled gap between the upper surface of top plate 12.
Positioning region 40 pallet 11 leading edge potion with supply conveying unit 30 and positioned at the adjacent position of supply conveying unit 30
The side difference of the first fabric case 21 and the second fabric case 22 set is adjacent.Positioning region 40 is by driver (not shown) along lifting
Direction driving, and there is the positioning table 41 in upper surface mounting welt cloth 110.One end of positioning table 41 is provided with reference component
42, reference component 42 provides the datum level 42a for positioning the welt cloth 110 for being placed in upper surface on the direction XY.Benchmark
Face 42a has with central from two sides direction and shape outstanding slightly, to correspond to one of welt cloth 110 shown in Fig. 1 (b)
The shape being recessed slightly with central from two sides direction at end.
Fig. 5 is the top view for indicating the major part of apparatus for sewing of present embodiment.Positioning region 40, which has, pushes pawl 43,
It pushes pawl 43 to be driven by driver 46, and so as to is placed in one end and the datum level of the welt cloth 110 of the upper surface of positioning table 41
The mode that 42a connects pushes the other end of welt cloth 110 towards datum level 42a in X direction.Divide in addition, positioning region 40 has
Not by driver 47,48 drive and make to be placed in the welt cloth 110 of the upper surface of positioning table 41 towards the center of positioning table 41 and
The one group of pawl 44,45 that keeps to the side to keep to the side along Y-direction.
Flap 50 is set to the first position P1 of the upper surface of top plate 12, and has comprising for being placed in first
Set the first pressing plate (not shown), the fold-back plate, the mechanism for folding into plate and compressing member that the welt cloth 110 of P1 is folded.Flanging
Welt cloth 110 is delivered to position P2 by portion 50 after folding.
If the first delivery section 70 has the second pressing plate 71, and the second pressing plate 71 will be by flap 50 with lower surface referring to Fig. 3
Folded welt cloth 110 is compressed and is kept.Second pressing plate 71 is supported by the support member 72 extended along Y-direction, by driver
75 drive along the driving of lifting direction, by motor 74 along around the direction that the axis extended along substantially vertical direction rotates, and by driver
73 drive along Y-direction.The supporting table 76 that support member 72 is extended in X direction supports, and is driven in X direction by driver 77.
Upper surface of the supporting table 76 away from top plate 12 has scheduled height, and scheduled is formed between the upper surface of top plate 12
Gap.Second pressing plate 71 keeps welt cloth 110 to compress, can also be processed in a manner of so that the friction of lower surface becomes larger,
Bumps are formed in lower surface.Other pressing plates are same.Second pressing plate 71 can be in the second position P2 of the upper surface of top plate 12
The welt cloth 110 being folded by flap 50 is received, and defeated in a manner of rotating 180 degree about scheduled axis from second position P2
It is sent to the third place P3, is guided from the third place P3 by such a way that the first sewing machine 13 sews side edge part 110c,
And it is transported to the 4th position P4.
Second delivery section 80 has third pressing plate 81, and third pressing plate 81 is compressed with lower surface and keeps side edge part 110c by the
The welt cloth 110 that one sewing machine 13 has sewed.Third pressing plate 81 is supported the support of platform 82, by motor 84 along around along substantially vertical side
The direction rotated to the axis of extension drives, and is driven by driver 85 along lifting direction, and driven in X direction by driver 83.Branch
Supportting upper surface of the platform 82 away from top plate 12 has scheduled height, and scheduled is formed between the upper surface of top plate 12
Gap.Third pressing plate 81 can receive side edge part 110c in the 4th position P4 of the upper surface of top plate 12 and be sewed by the first sewing machine 13
Welt cloth 110, and from the 4th position P4 the 5th position P5 is delivered to, from the 5th position P5 in a manner of rotating predetermined angular
It is transported to the 6th position P6.
Third delivery section 90 includes the patch for being compressed with lower surface and side edge part 110c being kept to be sewed by the first sewing machine 13
Side cloth 110, and guide the 4th pressing plate 91 of the sewing of 14 couples of invagination portion 110d of the second sewing machine；And it is compressed and is protected with lower surface
Hold the 5th pressing plate 92 of the welt cloth 110 that invagination portion 110d has been sewed by the second sewing machine 14.4th pressing plate 91 and the 5th pressure
Plate 92 is supported with separating scheduled distance in X direction by common support member 95, and respectively by driver 93,94 along lifting side
To driving.Support member 95 extends along substantially vertical direction, is supported the support of plate 97, and driven in X direction by driver 96.Branch
Fagging 97 extends along substantially vertical direction, is installed on top plate 12 via pillar 99, and formed between the upper surface of top plate 12
Scheduled gap.4th pressing plate 91 can receive side edge part 110c by the first sewing in the 5th position P5 of the upper surface of top plate 12
The welt cloth 110 that machine 13 has sewed via the sewing of the 6th position P6 guidance 14 couples of invagination portion 110d of the second sewing machine, and conveys
To the 7th position P7.5th pressing plate 92, which can receive, to be placed in the invagination portion 110d of the 7th position P7 and is sewed by the second sewing machine 14
Welt cloth 110, and be delivered to the opening portion 12a of top plate 12.
The apparatus for sewing of present embodiment has control unit (not shown).It is provided in control unit for controlling sewing dress
Set the control device of 10 a series of movement.Control device can carry out sequence control.It can also be grasped by control panel 19
Make control device.
Fig. 6 is the flow chart for illustrating a series of movement of apparatus for sewing 10 of present embodiment.In step S11, supply
Welt cloth 110.The process for supplying welt cloth 110 is held by the welt cloth incorporating section 20 and supply conveying unit 30 of apparatus for sewing 10
Row.
Process in order to execute supply welt cloth 110, in the first fabric case 21 of welt cloth incorporating section 20 and the second face
The cloth of welt cloth 110 is stackably accommodated in hopper 22.Fig. 7 (a) shown in the face XY be accommodated in the first fabric case 21 with
And second fabric case 22 welt cloth 110.The cloth of welt cloth 110 is made by jean facing material, and is had as shown in Fig. 1 (b)
There is one end with the substantially rectangular shape being recessed slightly from two sides direction center.Welt cloth 110 can be using upper surface as face
The reverse side of material, the positive mode that lower surface is fabric stack.
A side adjacent with supply conveying unit 30 in first fabric case 21 and the second fabric case 22 is to be removed using supply
The working condition for sending portion 30 to supply welt cloth 110, another party is standby mode.Even if the first fabric case 21 and the second fabric case
22 side is in running order, and the another party being in standby also does not interact with supply conveying unit 30, therefore
It is free to supplement welt cloth 110.
There is no welt cloth 110 or patch in a side of in running order the first fabric case 21 and the second fabric case 22
, can be with so that an in running order side become standby mode when side cloth 110 is less than predetermined block number, and make to be in standby
Another party become working condition mode replace switch operating state and standby mode.Therefore, the first fabric case 21 can be made
And second fabric case 22 move in X direction so that another party with supply conveying unit 30 it is adjacent.
The apparatus for sewing 10 of present embodiment has the first fabric case 21 and the second fabric case 22, therefore makes side's work
During making and supplying welt cloth, another party is standby mode.Welt cloth is supplemented to fabric case in the standby state, by alternately anti-
Multiple working condition and standby mode can will not supply incessantly patch to supplement welt cloth and interrupt action to fabric case
Side cloth 110.
The one of first fabric case 21 and second fabric case 22 adjacent and in running order with supply conveying unit 30
The first 31 block-by-blocks of folder of Fang Zhong, supply conveying unit 30 hold and rise welt cloth 110.In present embodiment, the first folder 31 is by needle
Folder is formed, therefore is held and being inserted into needle to one piece of welt cloth at the top for being located at the welt cloth 110 stacked.
In present embodiment, the first folder 31 is pressed from both sides using needle, and thus, it is possible to one piece of the top for being located at the welt cloth stacked
It is inserted into needle, to reliably hold.In addition, the first folder 31 is not limited to needle folder, according to the fabric of welt cloth 110, also it is able to use
Other types such as vacuum clip.
In a side of in running order the first fabric case 21 and the second fabric case 22, bottom plate 23 or bottom can be made
Plate 24 rises, so that the top of welt cloth 110 rises to arrival altitude datum, which is in the upper surface with top plate 12
Roughly same height.When 31 decline of the first folder reaches altitude datum, can hold positioned at the top of the welt cloth 110 stacked
One piece of welt cloth.
If the first folder 31 holds one piece of welt cloth 110, rise together with the welt cloth 110 of holding, and moved along Y-direction
To the surface of the upper surface of the positioning table 41 of positioning region 40, then drops to and reach scheduled at a distance of the upper surface of positioning table 41
Distance discharges welt cloth 110 in a manner of being placed in the upper surface of positioning table 41.Welt cloth 110 can be using upper surface as face
The reverse side of material, the positive mode that lower surface is fabric load.First folder 31 of present embodiment presss from both sides for needle, therefore will be by inserting
The needle extraction for entering welt cloth 110 to hold, to discharge welt cloth 110.First folder 31 can rise after discharging welt cloth 110
To scheduled height.
In step S12, welt cloth 110 is positioned.In apparatus for sewing 10, work that welt cloth 110 is positioned
Sequence is executed by positioning region 40.In positioning region 40, the welt cloth 110 of the upper surface of positioning table 41 is placed in by the first folder 31
The other end is pushed by pushing pawl 43 in such a way that one end connects with the datum level 42a of reference component 42, thus direction along the X direction
Datum level 42a.In addition, being kept to the side by one group of pawl 44,45 that keeps to the side towards the center of positioning table 41, and along Y-direction.Pass through pushing
The movement of pawl 43 and one group of pawl 44,45 that keeps to the side, one end of welt cloth 110 are recessed slightly with from two sides towards center
Shape accordingly connects in datum level 42a with shape outstanding slightly with central from two sides direction, and welt cloth 110 is in the side XY
It is positioned upwards.When welt cloth 110 is positioned, pushes pawl 43 and one group of pawl 44,45 that keeps to the side is retracted into initial position.It is fixed
Welt cloth 110 behind position as shown in Fig. 7 (a), has in the face XY and is accommodated in the first fabric case 21 and the second fabric case
The 22 identical direction of welt cloth.
In the positioning table 41 of present embodiment, pushing pawl 43 can move in X direction, and one group of pawl that keeps to the side can be along the side Y
To movement.Therefore, for different size of welt cloth 110, also pawl 43 and one group of pawl that keeps to the side can be pushed by suitably mobile
44,45 and easily correspond to.In addition, move positioning table 41 along lifting direction by driver (not shown), thus, it is possible to for
The height of positioning table 41 is adjusted when from 31 reception welt cloth 110 of the first folder etc..
In step s 13, welt cloth 110 is folded.In apparatus for sewing 10, the process of welt cloth 110 is folded by flap
50 execute.Fig. 8 is the flow chart for indicating to fold the series of processes of welt cloth.
In the step s 21, the first position P1 in the upper surface of top plate 12 loads welt cloth 110.Supply conveying unit 30
If the second folder 32 holds the welt cloth 110 for being placed in the upper surface of positioning table 41 and being positioned, the welt cloth with holding
110 rise together, and the surface of first position P1 is moved to along Y-direction, then drop at a distance of the upper surface of top plate 12
First position P1 reaches scheduled distance, and welt cloth 110 is discharged in a manner of being placed in first position P1.Welt cloth 110 can
To be loaded using upper surface as the reverse side of fabric, lower surface for the positive mode of fabric.Second folder 32 of present embodiment is true
Sky folder, therefore welt cloth 110 is held using vacuum suction, and the absorption by stopping vacuum discharging welt cloth 110, thus
It is loaded.The welt cloth 110 for being placed in first position P1, which is maintained at positioning table 41 as shown in Fig. 7 (a) in the face XY, to be determined
Direction when position.
In present embodiment, the second folder 32 uses vacuum clip, is adsorbed using the entire surface of folder, thus ensures welt
The positioning accuracy of cloth 110.In addition, the absorption of vacuum clip can not also be carried out using entire surface, according to the fabric of welt cloth 110,
It can locally adsorb.
Fig. 9 is the top view for indicating to be placed in welt cloth 110 in flap 50 state of first position P1.Flap 50
Include the first pressing plate 51 of the half that the side of welt cloth 110 is compressed and kept with lower surface；By the other side of welt cloth 110
Half by turning back and doubling in the first broken line 110b, and compressed with lower surface and keep the welt cloth 110 after doubling
Fold-back plate 52；It is compressed with lower surface and the compressing member 62 of the side edge part 110c that keeps the welt cloth 110 after doubling to be overlapped；And
The invagination plate 53 that one end of welt cloth 110 after doubling is folded into.There is first pressing plate 51 longitudinal direction along welt cloth 110 to prolong
Stretch and first true edge 51a corresponding with the first broken line 110a and along welt cloth 110 one end extend and with the second broken line 110b
Corresponding second true edge 51b.
First pressing plate 51 is driven by driver 55 along lifting direction, is driven by driver 54 along Y-direction.First pressing plate 51 can
By being constituted across the opposed parallel double-deck plate in scheduled gap.It can be formed as by the gap that double-deck plate is formed, energy
Fold into one end of welt cloth 110 using plate 53 is folded into.In addition, the thickness of the first pressing plate 51 can be for folding and sticking side cloth 110
And it is optimised.The thickness of optimization can be determined by the way that experiment is repeated.It, can be with table thereon for fold-back plate 52
The mode that face is located in the upper surface of top plate 12 is accommodated in top plate 12, and is driven by driver 58 along lifting direction, is driven
Device 57 drives along Y-direction.
For compressing member 62, there is the compressed part 64 in center and the compressed part 65 of two sides in X direction, and be supported platform 63
Support.The compressed part 64 in center and the compressed part 65 of two sides are driven by driver 67,68 independently along lifting direction respectively, and
It is driven in X direction by common driver 69.Supporting table 63 at a distance of top plate 12 upper surface have scheduled height, and with top
Scheduled gap is formed between the upper surface of plate 12.
It folds into plate 53 and is driven by driver 60 along lifting direction, driven in X direction by driver 59, by driver 61 along Y
Direction driving.Folding into plate 53 can be by with scheduled gap and two plates being parallel to each other are constituted.
In the welt cloth 110 for the first position P1 for being placed in the upper surface of top plate 12, relative to the length along welt cloth 110
The broken line 110a that edge direction extends, the half of side is opposed with the first pressing plate 51 across gap, and by the upper surface branch of top plate 12
Support, the half of the other side are incorporated in the upper surface support of the fold-back plate 52 in face identical with the upper surface of top plate 12.First
The position in the direction XY of the welt cloth 110 at the P1 of position ensures precision by the process of the positioning of step S12.
In step S22, the half of the side of welt cloth 110 is compressed with the first pressing plate 51.Figure 10 is indicated in flap 50
The top view of the state of the half of the side of welt cloth is compressed with the first pressing plate 51.First pressing plate 51 is with lower surface by welt cloth
The half of 110 side is compressed and is remained, and is ensured at the first broken line 110a of welt cloth 110 using the first true edge 51a
Bending ensures the bending at the second broken line 110b of welt cloth 110 using the second true edge 51b.
In step S23, with fold-back plate 52 by the half of the other side of welt cloth 110 turn back and by 110 doubling of welt cloth.
Figure 11 is the top view for indicating the state that the half of the other side of welt cloth 110 is turned back with fold-back plate 52 in flap 50.Just
For fold-back plate 52, so that by the welt cloth 110 for the upper surface support being accommodated in face identical with the upper surface of top plate 12
The mode that the half of the other side erects rises upper surface, then to go back to the side of welt cloth 110 across the first pressing plate 51
Half on mode with lower surface compress welt cloth 110 the other side half.Here, the first broken line of welt cloth 110
110a is ensured by the first true edge 51a of the first pressing plate 51, it is thus ensured that according to the welt cloth 110 of the first broken line 110a
Doubling.The outside of welt cloth 110 after doubling is the front of fabric, and inside is the reverse side of fabric.Welt cloth 110 after doubling
In, the edge of half of edge and side of the half of the other side is Chong Die, forms side edge part 110c.Fig. 7 (b) is indicated in the face XY
Welt cloth 110 after doubling.
In step s 24, the side edge part 110c of the welt cloth 110 after doubling is compressed with compressing member 62.Figure 12 is to indicate
Flap 50 compresses the top view of the state of the side edge part 110c of welt cloth 110 with compressing member 62.The following table face pressure of compressing member 62
Side edge part 110c that is tight and keeping welt cloth 110.In compressing member 62, the compressed part 65 of two sides only compresses the lateral margin of welt cloth 110
Portion 110c, in contrast, between the half of side and the half of the other side of the central compressed part 64 in welt cloth 110 across
Fold-back plate 52 and compress side edge part 110c.Therefore, the lower surface of central compressed part 64 is adjusted to be located at the compression than two sides
The high suitable position in the lower surface in portion 65.
In step s 25, one end of the welt cloth 110 after doubling is folded into invagination plate 53.Figure 13 is indicated in flanging
The top view for folding into the state that plate 53 folds into one end of welt cloth 110 of portion 50.Plate 53 is folded by the welt cloth 110 after doubling
One end to the inside in the face of welt cloth 110 being folded in half fold into.Welt cloth 110 after doubling, by folding into patch inwardly
One end of side cloth 110 and form invagination portion 110d.If folding into plate 53 terminates the operation folded into, extract out, returns from welt cloth 110
To initial position.Here, the second broken line 110b of welt cloth 110 is ensured by the second true edge 51b of the first pressing plate 51, because
This can ensure that the invagination of the welt cloth 110 according to the second broken line 110b.Fig. 7 (c) indicates that one end is folded into according to second in the face XY
Line 110b is folded into and is formed with the welt cloth 110 of invagination portion 110d.
In step S26, the first pressing plate 51 and fold-back plate 52 are extracted out from folded welt cloth 110.Figure 14 is table
Show the top view for the state for extracting the first pressing plate 51 and fold-back plate 52 from welt cloth 110 out in flap 50.From folded
Welt cloth 110 extracts the first pressing plate 51 and fold-back plate 52 out, and the compressing member 62 that welt cloth 110 is compacted side edge part 110c is kept.
In compressing member 62, since the fold-back plate 52 being clipped between the half of the side of welt cloth 110 and the half of the other side is taken out
Out, central compressed part 64 is conditioned with the height and the roughly equal mode of compressed part 65 at both ends that drop to lower surface.
The lower surface side edge part 110c of welt cloth 110 is compressed and is kept by compressing member 62, by making it in top plate 12
Upper surface slide and be delivered to second position P2.Fig. 9 is shown using imaginary line to be compacted part 62 and is delivered to second position P2's
Welt cloth 110.Positioned at second position P2 welt cloth 110 in the face XY as shown in Fig. 7 (c) as step S25.
In present embodiment, the first pressing plate 51, fold-back plate 52 and the invagination plate 53 of flap 50 are to surround for welt cloth
The mode of first position P1 of 110 configurations configures, and from respective positions to the outstanding folding welt cloth 110 of first position P1.
Therefore, the flap 50 of present embodiment also can easily correspond to different size of welt cloth 110.In addition, flap 50
First pressing plate 51, fold-back plate 52 and invagination plate 53 can also be moved along lifting direction, therefore also can easily correspond to difference
Thickness welt cloth 110.
In step S14 shown in Fig. 6, sew to the side edge part 110c of folded welt cloth 110.If referring to figure
2 and Fig. 3, then the second pressing plate 71 receives the welt cloth for being compacted the second position P2 for the upper surface that part 62 is delivered to top plate 12
110, and the side of the first broken line 110a of welt cloth 110 is compressed and kept with lower surface.If compressing member 62 passs welt cloth 110
It hands over to the second pressing plate 71, then rises from the side edge part 110c of welt cloth 110 and discharge welt cloth 110.
For the second pressing plate 71, make in the welt cloth 110 of second position P2 holding around the axis half rotation of motor 74
Mode for example around being moved to the third place P3 in the upper surface slide of top plate 12 counterclockwise.In second position P2 in the face XY
The welt cloth 110 as shown in Fig. 7 (c) is such as rotated from second position P2 around the axis of motor 74 shown in Fig. 7 (d) in the third place P3
Half-turn, so that side edge part 110c be made to extend in X direction and towards Y-direction.Therefore, the direction sewing of welt cloth 110 started
180 degree transformation is carried out.
Second pressing plate 71 makes the welt cloth 110 kept in the third place P3 in the upper surface slide of top plate 12, and in X direction
Advance, the first sewing machine 13 of guidance sews the lock seaming of the side edge part 110c of welt cloth 110, and further defeated after terminating sewing
It send to the 4th position P4.In order to which the side edge part 110c of welt cloth 110 is suitably sewed by the first sewing machine 13, the second pressing plate 71 with
The mode for making the side edge part 110c of welt cloth 110 advance at a predetermined rate in the underface of the sewing unit of the first sewing machine 13 into
Row guidance.The lock seaming sewing of first sewing machine 13 can use three needles or four needles, also can use idle loop suction unit and
Have the function of to backstitch at sewing initial stage what inside was put into that idle loop sewed.It is sewed by backstitching, can be improved sewing intensity,
And appearance is made to improve.The welt cloth 110 of the 4th position P4 side edge part 110c as shown in Fig. 7 (e) in the face XY is reached to be stitched
System.
In present embodiment, the second pressing plate 71 of the first delivery section 70 is by the supporting table 76 that extends in X direction and along the side Y
It can movably be supported to the support member 72 of extension along the direction XY.Therefore, the first delivery section 70 of present embodiment also can
Easily correspond to different size of welt cloth 110.
If welt cloth 110 is transported to the 4th position P4, third pressing plate 81 is received, and is compressed with lower surface and keep pasting
The side edge part 110c of side cloth 110.If welt cloth 110 is submitted to third pressing plate 81 by the second pressing plate 71, from the of welt cloth 110
The side of one broken line 110a rises and discharges welt cloth 110.Third pressing plate 81 makes the welt cloth 110 kept in the 4th position P4 exist
The upper surface slide of top plate 12, and advance in X direction, it is moved to the 5th position P5.It is moved to the welt cloth 110 of the 5th position P5
In the face XY as shown in Fig. 7 (e).
Next, third pressing plate 81 make the 5th position P5 keep welt cloth 110 with around the axis of motor 74 for example around suitable
Hour hands rotation, in the upper surface slide of top plate 12, is moved to the 6th position P6 by the mode of predetermined angular.Here, making welt cloth
The predetermined angular of 110 rotations is to extend the side edge part 110c at the 5th position P5 shown in Fig. 7 (e) in X direction and towards the side Y
To welt cloth 110 be rotated into the second broken line 110b as shown in Fig. 7 (f) and extend in X direction and towards the angle of Y-direction.Example
Such as, which can be 100 ° clockwise~120 °.
In step S15, sew to the invagination portion 110d of folded welt cloth 110.4th pressing plate 91 receives quilt
Third pressing plate 81 is delivered to the welt cloth 110 of the 5th position P5 of the upper surface of top plate, and to expose the invagination portion of welt cloth 110
The mode lower surface of 110d compresses and keeps welt cloth 110.If welt cloth 110 is submitted to the 4th pressing plate by third pressing plate 81
91, then rise from the side edge part 110c of welt cloth 110 and discharges welt cloth 110.
4th pressing plate 91 makes the welt cloth 110 kept in the 6th position P6 in the upper surface slide of top plate 12, and in X direction
Advance, guides sewing of second sewing machine 14 to the flush joint of the invagination portion 110d of welt cloth 110, and after terminating sewing further
It is delivered to the 7th position P7 in turn from the second sewing machine 14 is preceding in X direction.In order to make the invagination portion 110d of welt cloth 110 by second
Sewing machine 14 suitably sews, the 4th pressing plate 91 so that welt cloth 110 invagination portion 110d the second sewing machine 14 sewing unit
The mode advanced at a predetermined rate of underface guide.The flush joint of second sewing machine 14 can be with the first side fold-back line 110a
Sewing latter stage use back stitching.4th pressing plate 91 can be when carrying out back stitching so that welt cloth 110 is towards the side opposite with X-direction
The mode marched forward guides welt cloth 110.
Invagination portion 110d is sewed by the second sewing machine 14 and is reached the welt cloth 110 of the 7th position P7 in the face XY such as Fig. 7
(g) with the shape of welt accessory shown in.7th position P7 be also possible to from the sewing unit of the second sewing machine 14 in X direction before
Into the position of preset distance.If welt cloth 110 is delivered to the 7th position P7 by the 4th pressing plate 91, from the first of welt cloth 110
The side for folding into line 110a rises and discharges, and loads welt cloth 110.
The welt cloth 110 for being placed in the 7th position P7 by the 4th pressing plate 91 is compressed and is protected with lower surface by the 5th pressing plate 92
It holds, and makes it in the upper surface slide of top plate 12 and advance in X direction, welt cloth 110 is made to reach the opening portion 12a of top plate 12.
Here, the 5th pressing plate 92 cutting flush joint stitch utilizes the cleaning vacuum cleaner (not shown) for being set to scheduled position later
Attract line.5th pressing plate 92 and cleaning vacuum cleaner are constituted from by the welt cloth 110 after 14 flush joint of the second sewing machine
The line processing unit for being cut off line while attracting using vacuum.The welt cloth 110 for reaching opening portion 12a fall from top plate 12 and
By container reception (not shown).
In present embodiment, third delivery section 90 is via common support member 95 by the 4th pressing plate 91 and the 5th pressing plate
92 drive in X direction.Therefore, the third delivery section 90 of present embodiment can efficiently carry out the 4th pressing plate 91 in the same time
Guidance and the 5th pressing plate 92 to the sewing based on the second sewing machine 14 of the invagination portion 110d of welt cloth 110 is in the second sewing
Machine 14 finishes the conveying to opening portion 12a of the welt cloth 110 of the sewing of invagination portion 110d.In addition, by making line processing unit
Line cutting and attraction and overlapping to the conveying of opening portion 12a, the period can be shortened and improve productivity.
By a series of process from step S11 to step S14, can the side edge part 110c to welt cloth 110 carry out
Lock seaming sewing carries out flush joint to invagination portion 110d, to sew welt accessory.The sewing of welt accessory be not based on handwork and
It is automated, so the stay in grade of welt accessory, can increase sewing amount.
In addition, passing through the supply of the welt cloth of step S11 shown in the flow chart by Fig. 6, step in present embodiment
The positioning of S12, the folding of the position of step S13, step S14 side edge part 110c sewing and step S15 invagination portion
The progress synchronous within the predetermined time of these each steps is sewed, the movement of apparatus for sewing 10 can be carried out parallel and incessantly.
The time can be set based on the speed of the first sewing machine 13 and the second sewing machine 14 sewing welt cloth.
The apparatus for sewing 10 of present embodiment is switched by welt cloth 110, can easily correspond to different size of patch
Side cloth 110.For example, can correspond to jeans, casual pants the welt accessory from 27 inches to 42 inch sewing.In this implementation
In the apparatus for sewing 10 of mode, the size of welt cloth 110 switch by replacement storage welt cloth 110 the first fabric case 21 and
Second fabric case 22 simultaneously switches the setting value of the positioning region 40 positioned to welt cloth 110 to carry out.The change of these settings
It can be recalled by operation control panel 19 and be stored in the size of control unit (not shown) to carry out.Similarly, it is positioned by changing
The setting in portion 40, centering positioning can also change.
Claims (11)
1. welt cloth is sewn into the welt accessory of trousers by a kind of apparatus for sewing, the apparatus for sewing is characterised by comprising:
Pallet with top plate；
Welt cloth incorporating section is installed on the side of the pallet, upper opening, and stacks storage welt cloth；
Positioning table is set on the pallet, and is loaded welt cloth in upper surface and positioned；
First folder, the welt cloth block-by-block for being accommodated in welt cloth incorporating section is held and is taken out, and is placed in the positioning
Platform；
Second folder, holds the welt cloth for being placed in the positioning table and being positioned, and be placed in the first of the top plate
Position；
Flap, by the welt cloth for being placed in the first position according to the first broken line doubling extended along the long side direction, and
And one end of the welt cloth after doubling is folded into according to the second broken line extended along the one end；
First sewing machine sews to the side edge part of the welt cloth after the flap doubling；And
Second sewing machine sews to the invagination portion of the welt cloth after flap invagination.
2. apparatus for sewing according to claim 1, which is characterized in that
The flap includes:
First pressing plate compresses and keeps the half of the side for the welt cloth for being placed in the first position；
Fold-back plate rises the half of the other side of welt cloth, and to be overlapped in the mode on the half of side according to the
One broken line doubling；
Compressing member compresses and keeps the side edge part by the fold-back plate to the welt cloth on the half for being folded to side；And
Plate is folded into, one end of the welt cloth kept by first pressing plate and the compressing member is rolled over according to the second broken line
Enter.
3. apparatus for sewing according to claim 2, which is characterized in that
First pressing plate includes across double-deck plate opposed with gap.
4. apparatus for sewing according to claim 2 or 3, which is characterized in that
The thickness of first pressing plate is optimised for folding and sticking side cloth.
5. apparatus for sewing according to any one of claims 1 to 4, which is characterized in that
First sewing machine carries out lock seaming sewing to the side edge part of welt cloth, and has the function of the idle loop at sucking sewing initial stage
Energy.
6. apparatus for sewing according to any one of claims 1 to 4, which is characterized in that
Second sewing machine carries out flush joint to the invagination portion of welt cloth.
7. apparatus for sewing according to claim 6, which is characterized in that
It further include line processing unit, which utilizes vacuum by line one side from by the invagination cloth after the second sewing machine flush joint
Attraction is cut off on one side.
8. apparatus for sewing according to any one of claims 1 to 7, which is characterized in that
The positioning table includes:
The datum level to connect is opposed to the welt cloth for being placed in upper surface；
The pushing pawl that welt cloth is pushed towards the datum level；And
The one group of opposed pawl that keeps to the side for making welt cloth keep to the side in parallel with the datum level.
9. apparatus for sewing described according to claim 1~any one of 8, which is characterized in that further include:
First delivery section receives welt cloth from the first position, makes upper surface half rotation of the welt cloth along the top plate
And it conveys, and guide the sewing of first sewing machine；
Second delivery section receives welt cloth from first delivery section, and conveys along the upper surface of the top plate, so that rotation
Predetermined angular；And
Third delivery section receives welt cloth from second delivery section, and guides the sewing of second sewing machine.
10. apparatus for sewing described according to claim 1~any one of 9, which is characterized in that
First folder and second folder are by making needle from lower surface discrepancy to hold the needle folder of welt cloth or by true
Sky adsorbs the vacuum clip of welt cloth.
11. apparatus for sewing described according to claim 1~any one of 10, which is characterized in that
Welt cloth incorporating section includes the multiple fabric cases for stackably storing welt cloth.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018121232A JP6427292B1 (en) | 2018-06-26 | 2018-06-26 | Sewing device |
| JP2018-121232 | 2018-06-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110195295A true CN110195295A (en) | 2019-09-03 |
| CN110195295B CN110195295B (en) | 2020-05-08 |
Family
ID=64394768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910489669.4A Expired - Fee Related CN110195295B (en) | 2018-06-26 | 2019-06-06 | Sewing device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6427292B1 (en) |
| CN (1) | CN110195295B (en) |
| WO (1) | WO2020003981A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102582443B1 (en) * | 2022-03-15 | 2023-09-25 | 주식회사 주원이앤에스 | Automatic overlock sewing apparatus for clothing part fabric |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1115807A (en) * | 1994-03-31 | 1996-01-31 | 重机公司 | Welt forming device |
| CN1118391A (en) * | 1994-03-30 | 1996-03-13 | 重机公司 | Welt forming device, and fabric guide |
| US6058863A (en) * | 1998-06-17 | 2000-05-09 | Phoenix Automation | Pillow sham apparatus |
| US20020083875A1 (en) * | 2000-12-29 | 2002-07-04 | Stewart Parks C. | Method and apparatus for manufacturing a valance |
| JP2009207512A (en) * | 2008-02-29 | 2009-09-17 | Pegasus Sewing Mach Mfg Co Ltd | Hem sewing machine |
| CN102108606B (en) * | 2009-12-29 | 2013-02-20 | Juki株式会社 | Sewing device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63147492A (en) * | 1986-12-10 | 1988-06-20 | ブラザー工業株式会社 | Sewing apparatus |
| JPH0426463A (en) * | 1990-05-22 | 1992-01-29 | Juki Corp | Sewing device |
-
2018
- 2018-06-26 JP JP2018121232A patent/JP6427292B1/en not_active Expired - Fee Related
-
2019
- 2019-06-06 CN CN201910489669.4A patent/CN110195295B/en not_active Expired - Fee Related
- 2019-06-10 WO PCT/JP2019/022854 patent/WO2020003981A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1118391A (en) * | 1994-03-30 | 1996-03-13 | 重机公司 | Welt forming device, and fabric guide |
| CN1115807A (en) * | 1994-03-31 | 1996-01-31 | 重机公司 | Welt forming device |
| US6058863A (en) * | 1998-06-17 | 2000-05-09 | Phoenix Automation | Pillow sham apparatus |
| US20020083875A1 (en) * | 2000-12-29 | 2002-07-04 | Stewart Parks C. | Method and apparatus for manufacturing a valance |
| JP2009207512A (en) * | 2008-02-29 | 2009-09-17 | Pegasus Sewing Mach Mfg Co Ltd | Hem sewing machine |
| CN102108606B (en) * | 2009-12-29 | 2013-02-20 | Juki株式会社 | Sewing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6427292B1 (en) | 2018-11-21 |
| WO2020003981A1 (en) | 2020-01-02 |
| JP2020000384A (en) | 2020-01-09 |
| CN110195295B (en) | 2020-05-08 |
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