US20220047041A1 - Knitting of multiple uppers on a machine - Google Patents
Knitting of multiple uppers on a machine Download PDFInfo
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- US20220047041A1 US20220047041A1 US17/512,331 US202117512331A US2022047041A1 US 20220047041 A1 US20220047041 A1 US 20220047041A1 US 202117512331 A US202117512331 A US 202117512331A US 2022047041 A1 US2022047041 A1 US 2022047041A1
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- knitting
- machine
- textile manufacturing
- needle bed
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- 238000009940 knitting Methods 0.000 title claims description 76
- 238000004519 manufacturing process Methods 0.000 claims abstract description 51
- 239000004753 textile Substances 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 15
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 6
- 238000000926 separation method Methods 0.000 claims description 15
- 230000004888 barrier function Effects 0.000 claims description 4
- 210000002683 foot Anatomy 0.000 description 24
- 230000003247 decreasing effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 210000003423 ankle Anatomy 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000009945 crocheting Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009950 felting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B1/00—Footwear characterised by the material
- A43B1/02—Footwear characterised by the material made of fibres or fabrics made therefrom
- A43B1/04—Footwear characterised by the material made of fibres or fabrics made therefrom braided, knotted, knitted or crocheted
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0245—Uppers; Boot legs characterised by the constructive form
- A43B23/0255—Uppers; Boot legs characterised by the constructive form assembled by gluing or thermo bonding
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0245—Uppers; Boot legs characterised by the constructive form
- A43B23/0295—Pieced uppers
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/04—Uppers made of one piece; Uppers with inserted gussets
- A43B23/042—Uppers made of one piece
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/04—Uppers made of one piece; Uppers with inserted gussets
- A43B23/045—Uppers with inserted gussets
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D11/00—Double or multi-ply fabrics not otherwise provided for
- D03D11/02—Fabrics formed with pockets, tubes, loops, folds, tucks or flaps
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/54—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads coloured
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/22—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/94—Driving-gear not otherwise provided for
- D04B15/96—Driving-gear not otherwise provided for in flat-bed knitting machines
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2403/00—Details of fabric structure established in the fabric forming process
- D10B2403/03—Shape features
- D10B2403/032—Flat fabric of variable width, e.g. including one or more fashioned panels
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2501/00—Wearing apparel
- D10B2501/04—Outerwear; Protective garments
- D10B2501/043—Footwear
Definitions
- the present invention relates to articles of footwear and methods of manufacturing articles of footwear on a textile manufacturing machine.
- the invention concerns, more particularly, methods of knitting two uppers on a textile manufacturing machine to form multiple uppers, such as a pair of shoes.
- Textile manufacturing machines are used to perform processes including, without limitation, weaving, knitting, crocheting, knotting, and felting to create textiles that may be made of one or more types of yarn and other material or components. These manufactured textiles may make a variety of articles, such as clothing, footwear, and other goods.
- Articles of footwear generally include an upper or an upper and a sole structure.
- the upper may be attached or secured to the sole structure, and the sole structure may provide support and comfort for a foot of the wearer, while also providing a structure between the ground and the wearer's foot.
- a variety of materials and other components may be used to make the sole structure to provide support and comfort.
- the upper of the article of footwear generally surrounds the foot of the wearer and may extend over the top or instep area of the foot, toe area of the foot, along the lateral and medial sides of the foot, around the back or ankle/heel area of the foot, and under the foot.
- a variety of materials, components and/or one or more layers of the same may be used to make the upper to provide comfort, support, flexibility, wear-resistance, air-permeability, compressibility, stretch-resistance, moisture-wicking, and other features.
- Knitting machines may be used to create a knitted textile to form an upper of an article of footwear.
- Different types of knitting machines include, without limitation, flat knitting machines, such as V-bed flat knitting machines, and circular knitting machines.
- Knitting machines regularly knit one upper at a time. However, on certain machines such as a flat knitting machine, it may take a significant time, for example, at least 25 minutes, to knit a single upper depending on its complexity and the structures of the upper involved. For example, the knitting machine will knit the upper for the left shoe of a wearer, and once the left upper is completed, the knitting machine will knit the upper for the right shoe of a wearer, or vice versa. During this process, each upper is knitted along its length, which regularly requires the carriage and needles of the knitting machine to travel along the needle bed the length of the upper to produce one course of the upper, and then travel back the same distance to begin knitting a subsequent course of the upper. This potentially significant time to manufacture each upper may lead to inefficiencies in production of making a pair of uppers for a wearer including slower production time and higher effort and expense in machine usage.
- the present invention relates to a method for manufacturing articles of footwear including forming a first upper on a textile manufacturing machine and forming a second upper on the textile manufacturing machine at a time that at least partially overlaps with formation of the first upper.
- the first upper and the second upper are formed at separate locations of the textile manufacturing machine.
- the present invention relates to an upper for an article of footwear including a pre-folded shape after initial formation on a textile manufacturing machine and a folded shape that defines a final shape of the upper.
- the pre-folded shape includes a length along a direction of manufacture on the textile manufacturing machine, and a width generally traverse to the length.
- the upper includes first and second ends along the length of the upper in the pre-folded shape. The first end includes a toe region, and a central region disposed between the first and second ends includes a heel region.
- the present invention relates to a method for manufacturing articles of footwear including forming a first upper on a textile manufacturing machine and forming a second upper on the textile manufacturing machine at a time that at least partially overlaps with formation of the first upper.
- the first upper is formed on the textile manufacturing machine in a configuration having a length and a width. The length being at least two times greater than the width.
- FIG. 1 shows a top view of an embodiment of an upper in a pre-folded shape
- FIG. 2 shows a perspective view of an embodiment of a knitting machine knitting two of the pre-folded uppers of FIG. 1 ;
- FIG. 3 shows a front view of the knitting machine of FIG. 2 knitting two of the pre-folded uppers of FIG. 1 ;
- FIG. 4 shows another front view of the knitting machine of FIG. 2 knitting two of the pre-folded uppers of FIG. 1 ;
- FIG. 5 shows another front view of the knitting machine of FIG. 2 knitting two of the pre-folded uppers of FIG. 1 ;
- FIG. 6 shows a perspective view of the upper of FIG. 1 in a pre-folded shape
- FIG. 7 shows a perspective view of the upper of FIG. 1 being folded to conform to the shape of a foot
- FIG. 8 shows another perspective view of the upper of FIG. 1 being folded to conform to the shape of a foot
- FIG. 9 shows another perspective view of the upper of FIG. 1 being folded to conform to the shape of a foot
- FIG. 10 shows a perspective view of the upper of FIG. 1 in a folded shape
- FIG. 11 shows a perspective view of a pair of the folded uppers of FIG. 1 ;
- FIG. 12 shows a top view of a second embodiment of an upper in a pre-folded shape.
- FIG. 1 shows an embodiment of an upper 100 for an article of footwear in a pre-folded or two-dimensional (2D) shape.
- the upper 100 shown in FIG. 1 may be a left upper, in other words, an upper configured for a left foot of a wearer, or a right upper, which is an upper configured for a right foot of a wearer, for a pair of shoes.
- FIG. 1 will be described as showing a left upper and such description is for aiding discussion and it is contemplated that the upper 100 shown in FIG. 1 may also be configured for a right upper.
- the right upper may be symmetrical to the left upper except it is flipped along its width.
- the upper 100 includes a length 102 and a width 104 .
- the length 102 of the upper 100 extends from a first end 106 to a second end 107 of the upper 100 .
- the width 104 of the upper 100 is the maximum width of the upper 100 along its length 102 . In various embodiments of the present disclosure, the length 102 of the upper 100 is at least two times greater than the width 104 of the upper 100 .
- the pre-folded upper 100 also includes a toe region 108 , a central region 110 , a tongue 112 , and a gusset 114 .
- the toe region 108 extends from the first end 106 of the upper 100 for a length along a medial side 116 of the toe region 108 and for a length along a lateral side 118 of the toe region 108 .
- the dimensions of the upper 100 and each respective side and/or region of the upper 100 will vary depending on the size of the foot of the intended wearer for the upper 100 .
- the central region 110 of the upper 100 extends from the toe region 108 for a portion of the length 102 of the upper 100 .
- the central region 110 includes a heel region 122 that, when folded, is configured to extend around the heel of a wearer. When the upper 100 is folded, as shown in FIGS. 10-11 , a portion of the central region 110 of the upper 100 will extend along a lateral side of the upper 100 and a portion of the central region 110 will also extend along a medial side of the upper 100 .
- the central region 110 and/or the toe region 108 may include a plurality of slits or holes 120 for receiving shoe laces.
- the tongue 112 of the upper 100 extends from the central region 110 of the upper 100 for a portion of the length 102 of the upper 100 .
- the tongue 112 may also include a plurality of slits or holes 120 for receiving shoe laces.
- the gusset 114 of the upper 100 extends from the tongue 112 to the second end 107 of the upper 100 . In one embodiment, when the upper 100 is folded, the gusset 114 may extend underneath a portion of the toe region 108 and/or central region 110 .
- the upper 100 may be manufactured using a textile manufacturing machine.
- FIG. 2 shows an embodiment of a textile manufacturing machine 200 as a flat knitting machine.
- Knitting machine 200 includes a first section 202 and a second section 204 .
- One of the first and second sections 202 , 204 may knit the left or right upper, while the other of the first and second sections 202 , 204 may knit the other of the left or right upper.
- the first and second sections 202 , 204 may knit two right uppers and then subsequently knit two left uppers and vice versa.
- FIGS. 3-5 a right upper is being knitted within the first section 202 and the left upper 100 is being knitted within the second section 204 .
- the knitting machine 200 may be programmed such that the carriages and/or feeders of one section do not extend into the other section.
- the knitting machine 200 may also be programmed such that the needles in the middle portion of the row of needle beds 208 , 210 , i.e. the portion between the first and second sections 202 204 , are locked, deactivated, or not programmed for use such that no knitting occurs in the middle portion and knitting only occurs in the first and second sections 202 , 204 .
- the knitting machine 200 may include a separation element between the first section 202 and the second section 204 to provide a physical barrier between the first section 202 and the second section 204 . The separation element may prevent the carriages and/or feeders of one section, described in detail below, from extending into the other section.
- Each section 202 , 204 of the knitting machine 200 includes two needle beds 208 , 210 .
- the needle beds 208 , 210 are angled with respect to each other to form a V shape, also known as a V-bed flat knitting machine.
- Each of the needle beds 208 , 210 include a plurality of needles 212 .
- the needles 212 of the needle beds 208 , 210 maintain the V-shape.
- the needles 212 may travel up the needle beds 208 , 210 such that the needles 212 of one needle bed 208 and the needles 212 of the other needle bed 210 will pass next to one another and intersect to form an X shape.
- FIG. 1 As shown in FIG.
- the needle bed 208 extends continuously in a row from the first section 202 to the second section 204
- the needle bed 210 also extends continuously in a row from the first section 202 to the second section 204 . If the knitted machine 200 includes a separation element between the first and second sections 202 , 204 , as described previously, then the needle bed 208 of the first section 202 would be separated from the needle bed 208 of the second section 204 by the separation element, and the needle bed 210 of the first section 202 would also be separated from the needle bed 210 of the second section 204 by the separation element.
- the knitting machine 220 may include two rails 214 , 216 .
- the rails 214 , 216 are positioned above the needle beds 208 , 210 .
- the rails 214 , 216 provide attachment points for standard feeders 218 and combination feeders 220 . If the knitting machine 200 includes the separation element between the first and second sections 202 , 204 , as described previously, then each section 202 , 204 of the knitting machine 200 may each include two rails 214 , 216 .
- Each rail 214 , 216 includes two sides. One side may be for attachment of standard feeders 218 and the other side may be for attachment of combination feeders 220 .
- FIG. 2 shows one standard feeder 218 and one combination feeder 220 for each section 202 , 204 ; however, any number and/or configuration of standard feeders 218 and/or combinations feeders 220 on the rails 214 , 216 may be used on the knitting machine 200 .
- FIG. 2 shows two rails 214 , 216 , knitting machine 200 may also include additional rails to provide attachment points for more feeders 218 , 220 .
- the feeders 218 , 220 supply yarn or other materials, such as a filament, thread, rope, webbing, cable, chain or other component, to the needles 212 to manufacture and knit the uppers 100 .
- the standard feeders 218 supply yarn 222 to the needles 212 , and the needles 212 knit, tuck, and/or float the yarn 222 .
- the combination feeders 220 also may supply yarn 224 to the needles 212 to knit, tuck, and/or float the yarn 224 , and the combination feeders 220 may also inlay yarn 224 .
- combination feeder 220 may be used to supply or inlay any strand in addition to yarn, such as filament, thread, rope, webbing, cable, chain, or other strands.
- a conventional inlay feeder may also be provided and used to inlay yarn.
- Each standard feeder 218 and combination feeder 220 includes one attachment point for one of the rails 214 , 216 .
- a conventional inlay feeder includes two attachment points for one of the rails 214 , 216 .
- the knitting machine 200 includes a plurality of spools 226 that supply yarn to the feeders.
- FIG. 2 shows spools 226 supplying yarn 224 to the combination feeders 220 .
- Yarn 224 extends from spool 226 to one of a plurality of yarn guides 228 , to a yarn take-back spring 230 , to a yarn tensioner 232 , and then to the feeder 220 .
- Additional spools may be used to provide yarns to standard feeders 218 in a similar manner as spools 226 .
- the yarn 222 used for the standard feeders 218 may be the same or different than the yarn 224 used for the combination feeders 220 .
- additional spools may be provided to provide different yarns to the standard feeders 218 and to the combination feeders 220 .
- one type of yarn may be used to knit the toe region 108 of the upper 100
- another type of yarn may be used to knit the central region 110 of the upper 100 .
- Different types of yarn may also be used to form various patterns within upper 100 .
- the combination feeders 220 may also be used to inlay yarn or other strands, such as filament, thread, rope, webbing, cable, chain or other strands to one of the regions of the upper 100 .
- the feeders 218 , 220 travel along the rails 214 , 216 via a carriage 234 to supply yarn to the needles 212 .
- Each section 202 , 204 of the knitting machine 200 may include one carriage 234 for the corresponding feeders 218 , 220 of each section 202 , 204 .
- FIGS. 3-5 show a left upper and a right upper 100 being knitted off the knitting machine 200 at the same time, or at least a partially overlapping time, in the pre-folded shape, which is a two-dimensional (2D) shape.
- FIGS. 3-5 show the left and right uppers 100 being knitted off the knitting machine 200 in a two-dimensional (2D) shape
- the left and right uppers 100 may include portions, such as the toe region 108 , the central region 110 , the tongue 112 , the gusset 114 , the heel region 122 , and/or other portions, that have three-dimensional (3D) curvature when knitted off the knitting machine 200 to reduce post-knitting folding steps of the uppers 100 .
- the knitting machine 200 forms the upper 100 by using yarn to form a plurality of intermeshed loops that define horizontal courses, which are formed generally parallel to the direction of the rails 214 , 216 , and vertical wales, which are formed generally perpendicular to the direction of the rails 214 , 216 , of a knitted textile.
- the knitting machine 200 may be programmed such that the feeders 218 , 220 and carriage 234 within each section 202 , 204 remain within each respective section and do not travel along the entire length of either the rail 214 or the rail 216 .
- the middle portion of the row of needle beds 208 , 210 may also be programmed to lock or deactivate such that no knitting occurs in the middle portion and knitting only occurs in the first and second sections 202 , 204 .
- the separation element provides a physical barrier to prevent the feeders 218 , 220 and the carriage 234 in one section from traveling to another section.
- the feeders 218 , 220 may only travel the distance along the rails 214 , 216 within their respective section 202 , 204 to supply yarn to the needles 212 within each respective section 202 , 204 . Therefore, to knit each upper 100 , the feeders 218 , 220 do not need to travel along the entire length of each rail 214 or 216 in both sections 202 , 204 to supply yarn to the needles 212 to knit the upper 100 . This shorter travel distance allows the feeders 218 , 220 to supply yarn to the needles 212 faster and, in turn, knit the upper 100 at a faster rate.
- each upper 100 is knitted along the width of each region of the upper 100 in its pre-folded shape.
- the length of each rail 214 , 216 used in section 202 or section 204 , as well as each needle beds 208 , 210 used may be smaller than the length 102 of each upper 100 . Therefore, as shown in FIGS. 3-5 , the right and left upper 100 are knitted such that each upper 100 is knitted off the knitting machine 200 with the length 102 of each upper 100 being perpendicular to the direction of the rails 214 , 216 and the width 104 of each upper 100 being parallel to the direction of the rails 214 , 216 .
- the knitting of two uppers 100 at the same time or at least a partially overlapping time on the same knitting machine increases the production efficiency of a pair of uppers for shoes. Production efficiency is increased by decreasing the amount of time it takes to knit one or more uppers, including a pair of uppers for a left foot and a right foot of a wearer, on the same knitting machine.
- FIGS. 6-9 show the upper 100 , in this embodiment the left upper, being folded around a mold 236 .
- the shape of the mold 236 corresponds with the shape of either a left foot or a right foot and provides a three-dimensional (3D) shape to help stretch and mold the two-dimensional (2D) upper 100 into its folded three-dimensional (3D) shape.
- portions of the upper 100 may already include a 3D shape or curvature after being knitted off the knitting machine 200 and before the folding of the upper 100 .
- the shape of the mold 236 shown in FIGS. 6-9 corresponds to the shape of a left foot.
- a mold 236 for a right foot may be used to stretch and mold an upper 100 for a right foot
- FIGS. 6-9 are shown for illustrative purposes.
- the steps shown in FIGS. 6-9 are an exemplary embodiment for forming the upper 100 into a three-dimensional (3D) shape.
- the positioning of the upper 100 on the mold 236 may be adjusted as necessary to accommodate different sizes and shapes.
- the second end 107 of the upper 100 may be positioned on the lateral side 240 of the mold 236 .
- the gusset 114 of the upper 100 then extends from the lateral side 240 of the mold 236 toward the instep 238 of the mold 236 , and the tongue 112 of the upper 100 extends over the instep 238 of the mold 236 .
- the central region 110 of the upper 100 then extends from the instep 238 of the mold 236 along the medial side 242 of the mold 236 toward the heel region 246 of the mold 236 .
- the heel region 122 of the central region 110 of the upper 100 then extends around the heel region 246 of the mold 236 as shown in FIG. 8 , and the central region 110 of the upper 100 extends from the heel region 246 of the mold 236 along the lateral side 240 of the mold 236 .
- the central region 110 of the upper 100 extends over the gusset 114 of the upper 100 .
- FIG. 9 shows the upper 100 , in this embodiment the left upper, in its folded three-dimensional (3D) shape, and FIG. 11 shows a pair of uppers 100 in their folded three-dimensional (3D) shape.
- the portions of the upper 100 that overlap in the folded shape may be stitched, knitted, melted, adhesively connected, or otherwise secured to each other to maintain the upper 100 in its three-dimensional (3D) folded shape.
- FIG. 11 Different elements may be added to upper 100 to form a shoe including a sole 244 , as shown in FIG. 11 .
- Shoelaces may be used and positioned through the plurality of slits 120 to tighten the upper 100 to the foot of the wearer.
- a strobel may also be positioned over the sole 244 to provide cushion or support to the sole of the foot of the wearer.
- FIG. 12 shows a second embodiment of an upper 300 for an article of footwear in a pre-folded shape.
- the upper 300 may be for a left upper or a right upper.
- FIG. 12 will be described as showing a left upper and such description is for aiding discussion and it is contemplated that the upper 300 shown in FIG. 12 may also be configured for a right upper.
- the right upper may be symmetrical to the left upper except it is flipped along its width.
- the upper 300 includes a length 302 and a width 304 .
- the length 302 of the upper 300 extends from a first end 306 to a second end 307 of the upper 300 .
- the width 304 of the upper 100 is the maximum width of the upper 300 along its length 302 .
- the length 302 of the upper 300 may be at least two times greater than the width 304 of the upper 300 .
- the pre-folded upper 300 also includes a toe region 308 , a central region 310 , a tongue 312 , and a gusset 314 .
- the toe region 308 extends from the first end 306 of the upper 300 for a length along a medial side 316 of the toe region 308 and for a length along a lateral side 318 of the toe region 308 .
- the gusset 314 of the upper 300 extends from the toe region 308 for a portion of the length 302 of the upper 300 . In one embodiment, when the upper 300 is folded, the gusset 314 will extend over a portion of the central region 110 adjacent to the tongue 312 .
- the dimensions of the upper 300 and each respective side and/or region of the upper 100 will vary depending on the size of the foot of the wearer for the upper 300 .
- the central region 310 of the upper 300 extends from the toe region 308 for a portion of the length 302 of the upper 300 .
- the central region 310 includes a heel region 322 that, when folded, is configured to extend around the heel of a wearer.
- a portion of the central region 310 of the upper 300 will extend along the medial side 316 of the upper 300 and a portion of the central region 310 will also extend along the lateral side 318 of the upper 300 .
- the central region 310 and/or the toe region 308 may include a plurality of slits or holes 320 for receiving shoe laces.
- the tongue 312 of the upper 300 extends from the central region 310 of the upper 300 for a portion of the length 302 of the upper 300 .
- the tongue 312 may also include a plurality of slits or holes 320 for receiving shoe laces.
- a pair of uppers 300 may be manufactured using the knitting machine 200 and the process described previously to manufacture upper 100 .
- the upper 300 may also be treated or processed and then folded using the process described previously to fold upper 100 into a three-dimensional (3D) shape.
- portions of the upper 300 may already include a 3D shape or curvature after being knitted off the knitting machine 200 and before the folding of the upper 300 .
- the gusset 314 adjacent to the toe region 308 of the upper 300 in the pre-folded shape, when the upper 300 is folded, the gusset 314 will extend over a portion of the central region 310 adjacent to the tongue 312 of the upper 300 .
- the portions of the upper 300 that overlap in the folded shape may be stitched, knitted, melted, adhesively connected, or otherwise secured to each other to maintain the upper 300 in its three-dimensional (3D) folded shape.
- the present embodiments increase the production efficiency of knitting machines by knitting a pair of uppers for an intended wearer at the same time, or at least a partially overlapping time, off the same knitting machine.
- the knitting time for a pair of uppers is decreased, which decreases machine usage and related expenses, including power and wear on the machine.
- the increased production allows for faster production of uppers and therefore more uppers produced within a period of time.
- the present embodiments reduce the distance that the carriage and feeders need to travel across the needle bed to manufacture the upper.
- the decreased travel distance for the carriage and associated feeders also increases the production efficiency of the knitting machines. For example, rather than having to travel across the needle bed for a distance that is the length of an upper to knit a course in the upper and then having to travel back across the needle bed the same distance to knit a subsequent course in the upper, the travel distance for the carriage and associated feeders is decreased to smaller than the length of the upper.
- the present embodiments allow for an efficient way for customization of shoes.
- a customer may order a customized pair of shoes that may include, without limitation, different yarn colors or different types of yarn that the customer will choose for the shoes.
- the left and right uppers may include the same pattern of yarns or the left upper may include a different pattern of yarns than the right upper and vice versa.
- the present embodiments allow for a customized order of a pair of shoes to be completed in a decreased amount of time, which allows for faster and increased production and sale of customized shoes for customers.
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- Knitting Of Fabric (AREA)
Abstract
Description
- This application is a continuation of co-pending U.S. patent application Ser. No. 16/429,276, filed on Jun. 3, 2019, and titled “Knitting of Multiple Uppers on a Machine,” which is a divisional of U.S. patent application Ser. No. 15/260,697, filed on Sep. 9, 2016, and titled “Knitting of Multiple Uppers on a Machine.” The contents of each of the aforementioned applications is incorporated herein by reference in the entirety.
- The present invention relates to articles of footwear and methods of manufacturing articles of footwear on a textile manufacturing machine. The invention concerns, more particularly, methods of knitting two uppers on a textile manufacturing machine to form multiple uppers, such as a pair of shoes.
- Textile manufacturing machines are used to perform processes including, without limitation, weaving, knitting, crocheting, knotting, and felting to create textiles that may be made of one or more types of yarn and other material or components. These manufactured textiles may make a variety of articles, such as clothing, footwear, and other goods.
- Articles of footwear generally include an upper or an upper and a sole structure. The upper may be attached or secured to the sole structure, and the sole structure may provide support and comfort for a foot of the wearer, while also providing a structure between the ground and the wearer's foot. A variety of materials and other components may be used to make the sole structure to provide support and comfort. The upper of the article of footwear generally surrounds the foot of the wearer and may extend over the top or instep area of the foot, toe area of the foot, along the lateral and medial sides of the foot, around the back or ankle/heel area of the foot, and under the foot. A variety of materials, components and/or one or more layers of the same may be used to make the upper to provide comfort, support, flexibility, wear-resistance, air-permeability, compressibility, stretch-resistance, moisture-wicking, and other features.
- An example of a textile manufacturing machine is a knitting machine. Knitting machines may be used to create a knitted textile to form an upper of an article of footwear. Different types of knitting machines include, without limitation, flat knitting machines, such as V-bed flat knitting machines, and circular knitting machines.
- Knitting machines regularly knit one upper at a time. However, on certain machines such as a flat knitting machine, it may take a significant time, for example, at least 25 minutes, to knit a single upper depending on its complexity and the structures of the upper involved. For example, the knitting machine will knit the upper for the left shoe of a wearer, and once the left upper is completed, the knitting machine will knit the upper for the right shoe of a wearer, or vice versa. During this process, each upper is knitted along its length, which regularly requires the carriage and needles of the knitting machine to travel along the needle bed the length of the upper to produce one course of the upper, and then travel back the same distance to begin knitting a subsequent course of the upper. This potentially significant time to manufacture each upper may lead to inefficiencies in production of making a pair of uppers for a wearer including slower production time and higher effort and expense in machine usage.
- In one aspect, the present invention relates to a method for manufacturing articles of footwear including forming a first upper on a textile manufacturing machine and forming a second upper on the textile manufacturing machine at a time that at least partially overlaps with formation of the first upper. The first upper and the second upper are formed at separate locations of the textile manufacturing machine.
- In another aspect, the present invention relates to an upper for an article of footwear including a pre-folded shape after initial formation on a textile manufacturing machine and a folded shape that defines a final shape of the upper. The pre-folded shape includes a length along a direction of manufacture on the textile manufacturing machine, and a width generally traverse to the length. The upper includes first and second ends along the length of the upper in the pre-folded shape. The first end includes a toe region, and a central region disposed between the first and second ends includes a heel region.
- In another aspect, the present invention relates to a method for manufacturing articles of footwear including forming a first upper on a textile manufacturing machine and forming a second upper on the textile manufacturing machine at a time that at least partially overlaps with formation of the first upper. The first upper is formed on the textile manufacturing machine in a configuration having a length and a width. The length being at least two times greater than the width.
- The accompany drawings, which are incorporated herein and constitute part of this specification, and, together with the general description given above and the detailed description given below, serve to explain features of the present invention.
-
FIG. 1 shows a top view of an embodiment of an upper in a pre-folded shape; -
FIG. 2 shows a perspective view of an embodiment of a knitting machine knitting two of the pre-folded uppers ofFIG. 1 ; -
FIG. 3 shows a front view of the knitting machine ofFIG. 2 knitting two of the pre-folded uppers ofFIG. 1 ; -
FIG. 4 shows another front view of the knitting machine ofFIG. 2 knitting two of the pre-folded uppers ofFIG. 1 ; -
FIG. 5 shows another front view of the knitting machine ofFIG. 2 knitting two of the pre-folded uppers ofFIG. 1 ; -
FIG. 6 shows a perspective view of the upper ofFIG. 1 in a pre-folded shape; -
FIG. 7 shows a perspective view of the upper ofFIG. 1 being folded to conform to the shape of a foot; -
FIG. 8 shows another perspective view of the upper ofFIG. 1 being folded to conform to the shape of a foot; -
FIG. 9 shows another perspective view of the upper ofFIG. 1 being folded to conform to the shape of a foot; -
FIG. 10 shows a perspective view of the upper ofFIG. 1 in a folded shape; -
FIG. 11 shows a perspective view of a pair of the folded uppers ofFIG. 1 ; and -
FIG. 12 shows a top view of a second embodiment of an upper in a pre-folded shape. -
FIG. 1 shows an embodiment of an upper 100 for an article of footwear in a pre-folded or two-dimensional (2D) shape. The upper 100 shown inFIG. 1 may be a left upper, in other words, an upper configured for a left foot of a wearer, or a right upper, which is an upper configured for a right foot of a wearer, for a pair of shoes.FIG. 1 will be described as showing a left upper and such description is for aiding discussion and it is contemplated that the upper 100 shown inFIG. 1 may also be configured for a right upper. The right upper may be symmetrical to the left upper except it is flipped along its width. - The upper 100 includes a
length 102 and awidth 104. Thelength 102 of the upper 100 extends from afirst end 106 to asecond end 107 of the upper 100. Thewidth 104 of the upper 100 is the maximum width of the upper 100 along itslength 102. In various embodiments of the present disclosure, thelength 102 of the upper 100 is at least two times greater than thewidth 104 of the upper 100. - The pre-folded upper 100 also includes a
toe region 108, acentral region 110, atongue 112, and agusset 114. Thetoe region 108 extends from thefirst end 106 of the upper 100 for a length along amedial side 116 of thetoe region 108 and for a length along alateral side 118 of thetoe region 108. The dimensions of the upper 100 and each respective side and/or region of the upper 100 will vary depending on the size of the foot of the intended wearer for the upper 100. - The
central region 110 of the upper 100 extends from thetoe region 108 for a portion of thelength 102 of the upper 100. Thecentral region 110 includes aheel region 122 that, when folded, is configured to extend around the heel of a wearer. When the upper 100 is folded, as shown inFIGS. 10-11 , a portion of thecentral region 110 of the upper 100 will extend along a lateral side of the upper 100 and a portion of thecentral region 110 will also extend along a medial side of the upper 100. Thecentral region 110 and/or thetoe region 108 may include a plurality of slits orholes 120 for receiving shoe laces. - The
tongue 112 of the upper 100 extends from thecentral region 110 of the upper 100 for a portion of thelength 102 of the upper 100. Thetongue 112 may also include a plurality of slits orholes 120 for receiving shoe laces. Thegusset 114 of the upper 100 extends from thetongue 112 to thesecond end 107 of the upper 100. In one embodiment, when the upper 100 is folded, thegusset 114 may extend underneath a portion of thetoe region 108 and/orcentral region 110. - The upper 100 may be manufactured using a textile manufacturing machine.
FIG. 2 shows an embodiment of atextile manufacturing machine 200 as a flat knitting machine.Knitting machine 200 includes afirst section 202 and asecond section 204. One of the first andsecond sections second sections second sections FIGS. 3-5 , a right upper is being knitted within thefirst section 202 and the left upper 100 is being knitted within thesecond section 204. - The
knitting machine 200 may be programmed such that the carriages and/or feeders of one section do not extend into the other section. Theknitting machine 200 may also be programmed such that the needles in the middle portion of the row ofneedle beds second sections 202 204, are locked, deactivated, or not programmed for use such that no knitting occurs in the middle portion and knitting only occurs in the first andsecond sections knitting machine 200 may include a separation element between thefirst section 202 and thesecond section 204 to provide a physical barrier between thefirst section 202 and thesecond section 204. The separation element may prevent the carriages and/or feeders of one section, described in detail below, from extending into the other section. - Each
section knitting machine 200 includes twoneedle beds needle beds needle beds needles 212. In one position, as shown inFIG. 2 , theneedles 212 of theneedle beds needles 212 may travel up theneedle beds needles 212 of oneneedle bed 208 and theneedles 212 of theother needle bed 210 will pass next to one another and intersect to form an X shape. As shown inFIG. 2 , theneedle bed 208 extends continuously in a row from thefirst section 202 to thesecond section 204, and theneedle bed 210 also extends continuously in a row from thefirst section 202 to thesecond section 204. If theknitted machine 200 includes a separation element between the first andsecond sections needle bed 208 of thefirst section 202 would be separated from theneedle bed 208 of thesecond section 204 by the separation element, and theneedle bed 210 of thefirst section 202 would also be separated from theneedle bed 210 of thesecond section 204 by the separation element. - The
knitting machine 220 may include tworails rails needle beds rails standard feeders 218 andcombination feeders 220. If theknitting machine 200 includes the separation element between the first andsecond sections section knitting machine 200 may each include tworails rail standard feeders 218 and the other side may be for attachment ofcombination feeders 220.FIG. 2 shows onestandard feeder 218 and onecombination feeder 220 for eachsection standard feeders 218 and/orcombinations feeders 220 on therails knitting machine 200. AlthoughFIG. 2 shows tworails knitting machine 200 may also include additional rails to provide attachment points formore feeders - The
feeders needles 212 to manufacture and knit theuppers 100. Thestandard feeders 218supply yarn 222 to theneedles 212, and theneedles 212 knit, tuck, and/or float theyarn 222. Thecombination feeders 220 also may supplyyarn 224 to theneedles 212 to knit, tuck, and/or float theyarn 224, and thecombination feeders 220 may also inlayyarn 224. Also,combination feeder 220 may be used to supply or inlay any strand in addition to yarn, such as filament, thread, rope, webbing, cable, chain, or other strands. In addition tocombination feeders 220, a conventional inlay feeder may also be provided and used to inlay yarn. Eachstandard feeder 218 andcombination feeder 220 includes one attachment point for one of therails rails - The
knitting machine 200 includes a plurality ofspools 226 that supply yarn to the feeders.FIG. 2 showsspools 226 supplyingyarn 224 to thecombination feeders 220.Yarn 224 extends fromspool 226 to one of a plurality of yarn guides 228, to a yarn take-back spring 230, to ayarn tensioner 232, and then to thefeeder 220. Additional spools (not shown) may be used to provide yarns tostandard feeders 218 in a similar manner as spools 226. - The
yarn 222 used for thestandard feeders 218 may be the same or different than theyarn 224 used for thecombination feeders 220. Also, additional spools may be provided to provide different yarns to thestandard feeders 218 and to thecombination feeders 220. For example, one type of yarn may be used to knit thetoe region 108 of the upper 100, and another type of yarn may be used to knit thecentral region 110 of the upper 100. Different types of yarn may also be used to form various patterns within upper 100. Thecombination feeders 220 may also be used to inlay yarn or other strands, such as filament, thread, rope, webbing, cable, chain or other strands to one of the regions of the upper 100. - The
feeders rails carriage 234 to supply yarn to theneedles 212. Eachsection knitting machine 200 may include onecarriage 234 for the correspondingfeeders section -
FIGS. 3-5 show a left upper and a right upper 100 being knitted off theknitting machine 200 at the same time, or at least a partially overlapping time, in the pre-folded shape, which is a two-dimensional (2D) shape. AlthoughFIGS. 3-5 show the left andright uppers 100 being knitted off theknitting machine 200 in a two-dimensional (2D) shape, in alternative embodiments, the left andright uppers 100 may include portions, such as thetoe region 108, thecentral region 110, thetongue 112, thegusset 114, theheel region 122, and/or other portions, that have three-dimensional (3D) curvature when knitted off theknitting machine 200 to reduce post-knitting folding steps of theuppers 100. Theknitting machine 200 forms the upper 100 by using yarn to form a plurality of intermeshed loops that define horizontal courses, which are formed generally parallel to the direction of therails rails knitting machine 200 may be programmed such that thefeeders carriage 234 within eachsection rail 214 or therail 216. As described previously, the middle portion of the row ofneedle beds second sections knitting machine 200 includes a separation element, the separation element provides a physical barrier to prevent thefeeders carriage 234 in one section from traveling to another section. - To knit each course, the
feeders rails respective section needles 212 within eachrespective section feeders rail sections needles 212 to knit the upper 100. This shorter travel distance allows thefeeders needles 212 faster and, in turn, knit the upper 100 at a faster rate. - With the shorter travel distance available for the
feeders rail section 202 orsection 204, as well as eachneedle beds length 102 of each upper 100. Therefore, as shown inFIGS. 3-5 , the right and left upper 100 are knitted such that each upper 100 is knitted off theknitting machine 200 with thelength 102 of each upper 100 being perpendicular to the direction of therails width 104 of each upper 100 being parallel to the direction of therails - The knitting of two
uppers 100 at the same time or at least a partially overlapping time on the same knitting machine increases the production efficiency of a pair of uppers for shoes. Production efficiency is increased by decreasing the amount of time it takes to knit one or more uppers, including a pair of uppers for a left foot and a right foot of a wearer, on the same knitting machine. - Once the knitting is complete, the
uppers 100 may be steamed or treated to help stretch and mold or otherwise form the upper 100 into its folded shape.FIGS. 6-9 show the upper 100, in this embodiment the left upper, being folded around amold 236. The shape of themold 236 corresponds with the shape of either a left foot or a right foot and provides a three-dimensional (3D) shape to help stretch and mold the two-dimensional (2D) upper 100 into its folded three-dimensional (3D) shape. As described previously, portions of the upper 100 may already include a 3D shape or curvature after being knitted off theknitting machine 200 and before the folding of the upper 100. The shape of themold 236 shown inFIGS. 6-9 corresponds to the shape of a left foot. It will be appreciated that amold 236 for a right foot may be used to stretch and mold an upper 100 for a right foot, andFIGS. 6-9 are shown for illustrative purposes. The steps shown inFIGS. 6-9 are an exemplary embodiment for forming the upper 100 into a three-dimensional (3D) shape. In alternative embodiments, the positioning of the upper 100 on themold 236 may be adjusted as necessary to accommodate different sizes and shapes. - Beginning with
FIG. 7 , thesecond end 107 of the upper 100 may be positioned on thelateral side 240 of themold 236. Thegusset 114 of the upper 100 then extends from thelateral side 240 of themold 236 toward theinstep 238 of themold 236, and thetongue 112 of the upper 100 extends over theinstep 238 of themold 236. Thecentral region 110 of the upper 100 then extends from theinstep 238 of themold 236 along themedial side 242 of themold 236 toward theheel region 246 of themold 236. - The
heel region 122 of thecentral region 110 of the upper 100 then extends around theheel region 246 of themold 236 as shown inFIG. 8 , and thecentral region 110 of the upper 100 extends from theheel region 246 of themold 236 along thelateral side 240 of themold 236. When thecentral region 110 of the upper 100 extends along thelateral side 240 of themold 236, thecentral region 110 extends over thegusset 114 of the upper 100. - As shown in
FIG. 9 , after positioning thecentral region 110 of the upper along thelateral side 240 of themold 236, thetoe region 108 of the upper 100 extends from thelateral side 240 of themold 236 across thetoe region 242 of themold 236. The plurality ofslits 120 adjacent to thetongue 112 and the plurality ofslits 120 adjacent to toeregion 108 are now positioned parallel to one another on either side of thetongue 112 of the upper 100.FIG. 10 shows the upper 100, in this embodiment the left upper, in its folded three-dimensional (3D) shape, andFIG. 11 shows a pair ofuppers 100 in their folded three-dimensional (3D) shape. - After the upper 100 is molded or otherwise folded into its three-dimensional (3D) folded shape, the portions of the upper 100 that overlap in the folded shape, including, for example, where the
central region 110 overlaps thegusset 114, may be stitched, knitted, melted, adhesively connected, or otherwise secured to each other to maintain the upper 100 in its three-dimensional (3D) folded shape. - Different elements may be added to upper 100 to form a shoe including a sole 244, as shown in
FIG. 11 . Shoelaces may be used and positioned through the plurality ofslits 120 to tighten the upper 100 to the foot of the wearer. A strobel may also be positioned over the sole 244 to provide cushion or support to the sole of the foot of the wearer. -
FIG. 12 shows a second embodiment of an upper 300 for an article of footwear in a pre-folded shape. The upper 300 may be for a left upper or a right upper.FIG. 12 will be described as showing a left upper and such description is for aiding discussion and it is contemplated that the upper 300 shown inFIG. 12 may also be configured for a right upper. The right upper may be symmetrical to the left upper except it is flipped along its width. - The upper 300 includes a
length 302 and awidth 304. Thelength 302 of the upper 300 extends from afirst end 306 to asecond end 307 of the upper 300. Thewidth 304 of the upper 100 is the maximum width of the upper 300 along itslength 302. In various desirable embodiments, thelength 302 of the upper 300 may be at least two times greater than thewidth 304 of the upper 300. - The pre-folded upper 300 also includes a
toe region 308, acentral region 310, atongue 312, and agusset 314. Thetoe region 308 extends from thefirst end 306 of the upper 300 for a length along amedial side 316 of thetoe region 308 and for a length along alateral side 318 of thetoe region 308. Thegusset 314 of the upper 300 extends from thetoe region 308 for a portion of thelength 302 of the upper 300. In one embodiment, when the upper 300 is folded, thegusset 314 will extend over a portion of thecentral region 110 adjacent to thetongue 312. The dimensions of the upper 300 and each respective side and/or region of the upper 100 will vary depending on the size of the foot of the wearer for the upper 300. - The
central region 310 of the upper 300 extends from thetoe region 308 for a portion of thelength 302 of the upper 300. Thecentral region 310 includes aheel region 322 that, when folded, is configured to extend around the heel of a wearer. When the upper 300 is folded, similar to the upper 100, a portion of thecentral region 310 of the upper 300 will extend along themedial side 316 of the upper 300 and a portion of thecentral region 310 will also extend along thelateral side 318 of the upper 300. Thecentral region 310 and/or thetoe region 308 may include a plurality of slits orholes 320 for receiving shoe laces. - The
tongue 312 of the upper 300 extends from thecentral region 310 of the upper 300 for a portion of thelength 302 of the upper 300. Thetongue 312 may also include a plurality of slits orholes 320 for receiving shoe laces. - A pair of
uppers 300 may be manufactured using theknitting machine 200 and the process described previously to manufacture upper 100. The upper 300 may also be treated or processed and then folded using the process described previously to fold upper 100 into a three-dimensional (3D) shape. As described previously regarding upper 100, portions of the upper 300 may already include a 3D shape or curvature after being knitted off theknitting machine 200 and before the folding of the upper 300. However, in this embodiment, with thegusset 314 adjacent to thetoe region 308 of the upper 300 in the pre-folded shape, when the upper 300 is folded, thegusset 314 will extend over a portion of thecentral region 310 adjacent to thetongue 312 of the upper 300. - After the upper 300 is molded or otherwise folded into its three-dimensional (3D) folded shape, the portions of the upper 300 that overlap in the folded shape, including, for example, where the
gusset 314 overlaps a portion of thecentral region 310, may be stitched, knitted, melted, adhesively connected, or otherwise secured to each other to maintain the upper 300 in its three-dimensional (3D) folded shape. - Advantageously, the present embodiments increase the production efficiency of knitting machines by knitting a pair of uppers for an intended wearer at the same time, or at least a partially overlapping time, off the same knitting machine. For example, the knitting time for a pair of uppers is decreased, which decreases machine usage and related expenses, including power and wear on the machine. The increased production allows for faster production of uppers and therefore more uppers produced within a period of time.
- As another advantage, the present embodiments reduce the distance that the carriage and feeders need to travel across the needle bed to manufacture the upper. The decreased travel distance for the carriage and associated feeders also increases the production efficiency of the knitting machines. For example, rather than having to travel across the needle bed for a distance that is the length of an upper to knit a course in the upper and then having to travel back across the needle bed the same distance to knit a subsequent course in the upper, the travel distance for the carriage and associated feeders is decreased to smaller than the length of the upper.
- As yet a further advantage, the present embodiments allow for an efficient way for customization of shoes. For example, a customer may order a customized pair of shoes that may include, without limitation, different yarn colors or different types of yarn that the customer will choose for the shoes. With a customized pair of shoes, the left and right uppers may include the same pattern of yarns or the left upper may include a different pattern of yarns than the right upper and vice versa. The present embodiments allow for a customized order of a pair of shoes to be completed in a decreased amount of time, which allows for faster and increased production and sale of customized shoes for customers.
- It will be appreciated by those skilled in the art that changes could be made to the embodiments described above without departing from the broad inventive concept therefore. It is understood, therefore, that this invention is not limited to the particular embodiments disclosed, but it is intended to cover modifications within the spirit and scope of the present invention as defined by the claims.
Claims (20)
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2016
- 2016-09-09 US US15/260,697 patent/US10349702B2/en active Active
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2017
- 2017-09-07 WO PCT/US2017/050443 patent/WO2018049007A1/en unknown
- 2017-09-07 EP EP19213812.1A patent/EP3666946B1/en active Active
- 2017-09-07 CN CN202010754083.9A patent/CN111838886B/en active Active
- 2017-09-07 CN CN201780054761.7A patent/CN109804111B/en active Active
- 2017-09-07 EP EP17768612.8A patent/EP3510190B1/en active Active
- 2017-09-07 EP EP21202168.7A patent/EP3964616A1/en active Pending
- 2017-09-07 CN CN202211385820.8A patent/CN115644550A/en active Pending
- 2017-09-08 TW TW106130837A patent/TWI664333B/en active
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2019
- 2019-06-03 US US16/429,276 patent/US20190281927A1/en not_active Abandoned
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2021
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Also Published As
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CN115644550A (en) | 2023-01-31 |
WO2018049007A1 (en) | 2018-03-15 |
TWI664333B (en) | 2019-07-01 |
CN111838886B (en) | 2022-11-18 |
EP3964616A1 (en) | 2022-03-09 |
TW201812130A (en) | 2018-04-01 |
US20190281927A1 (en) | 2019-09-19 |
US10349702B2 (en) | 2019-07-16 |
WO2018049007A8 (en) | 2019-04-18 |
CN111838886A (en) | 2020-10-30 |
EP3666946A1 (en) | 2020-06-17 |
EP3510190B1 (en) | 2021-11-10 |
EP3510190A1 (en) | 2019-07-17 |
US20180070678A1 (en) | 2018-03-15 |
CN109804111A (en) | 2019-05-24 |
CN109804111B (en) | 2021-07-27 |
EP3666946B1 (en) | 2023-01-04 |
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