WO2013055759A1 - Process for making knit embroidered conductive gloves - Google Patents

Process for making knit embroidered conductive gloves Download PDF

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Publication number
WO2013055759A1
WO2013055759A1 PCT/US2012/059498 US2012059498W WO2013055759A1 WO 2013055759 A1 WO2013055759 A1 WO 2013055759A1 US 2012059498 W US2012059498 W US 2012059498W WO 2013055759 A1 WO2013055759 A1 WO 2013055759A1
Authority
WO
WIPO (PCT)
Prior art keywords
glove
conductive
embroidered
fingertips
finger
Prior art date
Application number
PCT/US2012/059498
Other languages
French (fr)
Other versions
WO2013055759A9 (en
Inventor
Tina Bartman CORNISH
Ike DESALIT
Fapi-mabelle FADULLON
Peter Kiernan
Original Assignee
Totes Isotoner Corporation
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Totes Isotoner Corporation filed Critical Totes Isotoner Corporation
Publication of WO2013055759A1 publication Critical patent/WO2013055759A1/en
Publication of WO2013055759A9 publication Critical patent/WO2013055759A9/en

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Classifications

    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D19/00Gloves
    • A41D19/0024Gloves with accessories
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D19/00Gloves
    • A41D19/02Arrangements for cutting-out, or shapes of, glove blanks
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G06F3/014Hand-worn input/output arrangements, e.g. data gloves
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/039Accessories therefor, e.g. mouse pads
    • G06F3/0393Accessories for touch pads or touch screens, e.g. mechanical guides added to touch screens for drawing straight lines, hard keys overlaying touch screens or touch pads
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D1/00Garments
    • A41D1/002Garments adapted to accommodate electronic equipment
    • A41D1/005Garments adapted to accommodate electronic equipment with embedded cable or connector
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D2500/00Materials for garments
    • A41D2500/10Knitted
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/033Indexing scheme relating to G06F3/033
    • G06F2203/0331Finger worn pointing device

Definitions

  • This disclosure relates to a process for making a glove for operating an electronic device, particularly a device with a touchscreen.
  • To operate capacitive touchscreens requires electric conductivity between the screen and a user's fingers.
  • users of such electronic devices can find it difficult to operate the device while wearing gloves.
  • the exemplary gloves described herein overcome this difficulty by providing gloves with conductive fingertips.
  • a glove comprises a plurality of fingertips, an outer surface, and an inner surface, wherein at least one of the fingertips comprises conductive thread or yarn extending from the outer surface of the glove to the inner surface of the glove.
  • FIG. 1 depicts a perspective view of an exemplary glove
  • FIG. 2 depicts a bottom view (from the palm side) of the glove of FIG. 1 ;
  • FIG. 3 depicts a bottom view of the fingertip portion of the index finger of the glove of FIG. 1 ;
  • FIG. 4 depicts an end view of the fingertip portion of the index finger of the glove of FIG. 1 , with the glove turned inside-out to show conductive thread extending to the interior of the glove;
  • FIG. 5 depicts a perspective view of another exemplary glove
  • FIG. 6 depicts a bottom view (from the palm side) of the glove of FIG. 5;
  • FIG. 7 depicts an end view of the fingertip portions of the index finger and thumb of the glove of FIG. 5;
  • FIG. 8 depicts an end view of the fingertip portions of the index finger and thumb extending to the interior of the glove
  • FIG. 9 depicts a perspective view of another exemplary glove
  • FIG. 10 depicts a perspective view of an exemplary knit glove body with "waste threads"
  • FIG. 11 depicts a top view of an exemplary flat pattern used to form the finger and thumb shells of a lcnit glove
  • FIG. 12 depicts a perspective view of an exemplary finger or thumb shell of a knit glove
  • FIG. 13 depicts a bottom view (from the palm side) of an exemplary glove
  • FIG. 14 depicts a top view of an exemplary applique
  • FIG. 15 depicts a top view of another exemplary applique.
  • FIG. 16 depicts a perspective view (from the palm side) of an exemplary glove with the applique.
  • the word “finger” and “fingertip” apply equally to fingers/fingertips and thumbs/thumbtips.
  • the word “thumb” and “thumbtips” apply equally to thumbs/thumbtips and fingers/fingertips.
  • “Glove” can also mean mitten.
  • the words “yarn” and “thread” can be used interchangeably.
  • FIGS. 1-4 illustrate an exemplary glove (10) having fingertips (12). At the index finger position (14) and the thumb position (16) fingertips (12) are conductive.
  • glove (10) comprises a backhand side (18) as shown in FIG. 1, a palm side (20) as shown in FIG. 2, a first end (22) comprising an opening (not shown) for a user to insert their hand, and a second end (24) where the distal portion of fingertips (12) are located.
  • Glove (10) is knit substantially from non-conductive yarn (26) and also includes conductive yarn (28) knit into fingertips (12) at index finger position (14) and thumb position (16).
  • conductive yarn (28) can be knit into fingertips (12) at only a single finger position, at all finger positions, or even throughout all of glove (10) in some versions.
  • glove (10) is first knit of yarn (26), then conductive yarn (28) is knit into glove (10) at index finger position (14) and thumb position (16) as best shown in FIGS. 3 and 4.
  • the entire fingertip (12) at index finger position (14) and thumb position (16) are knit of a combination of conductive yarn (28) and non- conductive yarn (26).
  • conductive yarn (28) extends from an outer surface (30) of glove (10) to an inner surface (32) of glove (10) to create of glove (10), to a touchscreen, which contacts outer surface (30) of glove (10).
  • fingertips (12) instead of fingertips (12) being knit of a combination of non-conductive yarn (26) and conductive yarn (28), fingertips (12) can be knit entirely of conductive yarn (28).
  • the distribution of conductive yarn (28) and non-conductive yarn (26) in certain fingertips (12) is substantially uniform.
  • the distribution of conductive yarn (28) and non-conductive yarn (26) in certain fingertips (12) can be not uniform.
  • certain fingertips (12) can be knit to include an area of non- conductive yarn (26) along with one or more dense areas of conductive yarn (28).
  • the shape of the knit area and the length of fingertips (12) that include conductive yarn (28) can take into consideration the portion of the finger and/or thumb that is used to operate a touchscreen. In the present example, about one and one-half inches at the end of fingertips (12) at index finger position (14) and thumb position (16) include conductive yarn (28); of course greater or lesser lengths may be used. Also, conductive yarn (28) can be knit into all areas of fingertips (12). For instance, in the illustrated version, at index finger position (14) and thumb position (16), conductive yarn (28) is located on the pad (34), the back (36), the sides (38), and the distal-most tip (40) of those fingertips (12). In some other versions, conductive yarn (28) is located in select areas of fingertips (12) instead of all areas.
  • the user can operate the touchscreen by contacting the touchscreen with any part of fingertip (12) containing conductive yarn (28) (e.g., pad (34), sides (38), tip (40), etc.) in an amount and arrangement sufficient to create the electrical pathway between the user's finger and the touchscreen.
  • conductive yarn (28) e.g., pad (34), sides (38), tip (40), etc.
  • the non-conductive portions of glove (10) can be lcnit using processes known in the art, using materials known in the art, including but not limited to acrylic yarn, Lycra, or feather yarn (100% nylon).
  • the conductive portions of glove (10) can versions conductive yarn (28) is comprised of two ends of conductive thread mixed with non-conductive thread. In some versions, conductive yarn (28) can conduct 82 ohms/foot to 14 ohms/foot.
  • Glove (10) can be machine-knit or hand- knit.
  • FIG. 2 further illustrates a palm patch (42) that is stitched onto palm side (20) of glove (10).
  • palm patch (42) is constructed from leather and can aid in gripping objects, (e.g., objects having touchscreens, etc.).
  • Other materials of construction for palm patch (42) will be apparent to those of ordinary skill in the art in view of the teachings herein, and may include suede, synthetic leather, synthetic suede, pigsplit, embossed polyurethane, silicone, among others.
  • conductive yarn (28) may be knit into any decorative pattern so long as there is sufficient conductive thread to conduct an electrical impulse from the user's finger to the touchscreen.
  • all or some of fingertips (12) of one glove (10) from a pair of gloves are conductive, while in other versions all or some of fingertips (12) of both gloves (10) from the pair are conductive.
  • FIGS. 5-8 illustrate another exemplary glove (110) having fingertips (112). At the index finger position (114) and the thumb position (116) fingertips (1 12) are conductive.
  • glove (1 10) comprises a backhand side (1 18) as shown in FIG. 5, a palm side (120) as shown in FIG. 6, a first end (122) comprising an opening (not shown) for a user to insert their hand, and a second end (124) where the distal portion of fingertips (112) are located.
  • Glove (110) is constructed by assembling cut fabrics together using processes known in the art (e.g., sewing together cut fabrics forming seams).
  • seaming fabric (148) an index fmger fabric (150), and a thumb fabric (152).
  • These fabrics are generally non-conductive fabrics (126) sewn together as shown to form glove (110).
  • Conductive thread (128) is embroidered or stitched into or onto the fabrics that make up fingertips (112) at index finger position (114) and thumb position (116) to provide conductive pathways between the user's fingertip and a touchscreen. Any well-known embroidery technique may be used to apply conductive thread (128) to fingertips (112) of glove (1 10).
  • This embroidery or stitching with conductive thread (128) can be done before the fabrics (144, 146, 148, 150, 152) are assembled to form glove (110) or after the fabrics (144, 146, 148, 150, 152) have been assembled to form glove (1 10).
  • conductive thread (128) passes from the inner surface (132) of glove (110) to the outer surface (130) of glove (1 10) to provide conductive pathways between the user's fingertip inside glove (110) and the conductive embroidery or stitching on the outside of glove (1 10), which in turn would contact the capacitive touchscreen.
  • the embroidery or stitching with conductive thread (128) is directly onto index fmger fabric (150) and thumb fabric (152) such that the embroidery or stitching itself extends from outer surface (130) of glove (1 10) to inner surface (132) of glove (110) as best seen in FIGS. 7 and 8.
  • the embroidery or stitching with conductive thread (128) is completed on a separate piece of fabric that is sewn onto outer surface (130) at fingertips (1 12) in index fmger position (1 14) and thumb position (1 16). The attachment of the separate embroidery or stitched piece is done with conductive thread (128) that extends from and contacts both the conductive embroidery or stitching on outer surface (130) of glove (1 10), and the user's fingertip on inner surface (132) of glove (1 10).
  • conductive thread (128) that attaches the conductive embroidered or stitched piece to glove (1 10) completes the circuit to establish the pathway between the user's fingertip within glove (110) and the (110).
  • conductive thread (128) is laid on index finger fabric (150) and thumb fabric (152) at index finger position (1 14) and thumb position (1 16) respectively, and conductive thread (128) is then stitched to fabrics (150, 152) with non-conductive thread.
  • conductive thread (128) can be embroidered or stitched into fingertips (112) at only a single finger position, at all finger positions, or even other places throughout glove (110).
  • conductive thread (128) is positioned at locations of glove (1 10) (e.g., the backhand area or palm area) that would not typically directly contact and operate a touchscreen, a link between such location and the area contacting and operating the touchscreen (e.g., fingertips (112)) is established by connecting the areas with conductive thread (128) to complete the circuit.
  • conductive embroidery or stitching (154) located at index finger position (1 14) and thumb position (116) comprises an hour glass shape having a top portion (156), a bottom portion (158), and a neck portion (160) having a narrower width compared to top and bottom portions (156, 158).
  • Neck portion (160) of the hour glass shape wraps the distal-most tip (140) of fingertips (112), thus top portion (156) extends to the back (136) of fingertip (1 12) on backhand side (1 18) of glove (110) while bottom portion (158) extends to the pad (134) of fingertip (1 12) on palm side (120) of glove (110).
  • This configuration for conductive embroidery or stitching (154) provides a continuous area of conductive thread (128) from pad (134) to back (136) of fingertips (112) at index finger position (114) and thumb position (116).
  • the user could operate the touchscreen by thread (128) (e.g., pad (134), back (136), tip (140)) in an amount and arrangement sufficient to create the electrical pathway between the user's finger and the touchscreen.
  • chevrons (164) represent an area not embroidered or stitched with conductive thread (128). However, in some versions chevrons (164) represent areas of greater conductivity where chevrons (164) are embroidered or stitched with thread having greater conductivity. Still yet in some versions, only chevrons (164) include conductive thread (128), without additional surrounding embroidery or stitching. In view of the teachings herein, other shapes and dimensions for conductive embroidery or stitching (154) will be apparent to those of ordinary skill in the art.
  • the non-conductive portions of glove (110) can be assembled using materials known in the art of glove/mitten making. For example, in some versions spandex
  • glove (110) is made of stretch fleece (94% polyester, 6%
  • glove (110) is made of stretch fleece and jersey sides with gripper silicone printing (142) on palm side (120).
  • glove (1 10) includes textured stretch material (60% Tactel, 30% Coolmax, 10% Lycra Spandex) laminated to 100% polyester fleece for use in backhand side (118).
  • Another version includes stretch ottoman (96% polyester, 4% spandex) in the backhand side (118).
  • textured water resistant or water repellant microfiber fabric is laminated to 100% polyester fleece.
  • Leather, either hairsheep or goatskin, can be used in the backhand side (118) of glove (110) in some versions.
  • the cuffs, palm, and fourchettes of gloves (1 10) can be made of a blend of 80% nylon and 20% Lycra Spandex, or a blend of 79% nylon and 21% Lycra Spandex, or a stretch fleece material (94% polyester, 6% Lycra Spandex) that can also be used for seaming fabric (148).
  • Synthetic suede (60% polyurethane, 40% nylon) can be used as appliques or tabs.
  • conductive thread (128) can conduct 82 ohms/foot to 14 ohms/foot.
  • glove (1 10) is machine- sewn in some versions, with machine embroidery or stitching.
  • conductive thread (128) is used in both the top and bottom bobbins.
  • conductive thread (128) is used in the top bobbin only.
  • FIG. 6 further illustrates silicone printing (142) on palm side (120) of glove (110).
  • silicone printing (142) is printed in a diamond pattern and aides in gripping objects, (e.g., objects having touchscreens, etc.).
  • Other materials of construction for enhancing the grip of palm side (120) will be apparent to those of ordinary skill in the art in view of the teachings herein, and may include various palm patches constructed of suede, synthetic leather, synthetic suede, pigsplit, embossed polyurethane, among others.
  • conductive thread (128) may be embroidered or stitched into any decorative pattern so long as there is sufficient conductive thread to conduct an electrical impulse from the user's finger to the touchscreen.
  • all or some of fingertips (112) of one glove (110) from a pair of gloves are conductive, while in other versions all or some of fingertips (112) of both gloves (110) from the pair are conductive.
  • the thumb and index finger of glove (1 10) can be the only fingertips (112) that are conductive.
  • conductive portions of fingertips (1 12) can be placed on the side portions of the index fingertip and thumbtip, especially for users who often press touchscreens with the side of their thumb, rather than directly on the area covering pad (134) of the thumb.
  • FIG. 9 illustrates another exemplary glove (210) having fingertips (212) that are conductive. Similar to glove (110) of FIGS. 5-8, glove (210) comprises a bacldiand side (218), a palm side (not shown), a first end (222) comprising an opening (not shown) for a user to insert their hand, and a second end (224) where the distal portion of fingertips (212) are located.
  • Glove (210) is constructed in a similar fashion as glove (110)— by assembling cut fabrics together using processes known in the art (e.g., sewing together cut fabrics forming seams). In fabric (246), and a seaming fabric (248). The palm and backhand fabrics are generally non-conductive fabrics (226) sewn together to form glove (210).
  • seaming fabric (248) is sewn between and joins palm and backhand fabrics.
  • seaming fabric (248) comprises a tape (e.g., a knit or a woven tape), where conductive thread (228) is knit or woven into the tape.
  • a twill tape incorporating conductive thread (228) can be used.
  • the tape can then be laid from seam to seam across fingertips (212) of glove (210), and the ends of the tape can be sewn so as to touch a user's fingers on the inside of the glove.
  • all of seaming fabric (248) comprises the tape having conductive thread (228); however, in other versions the portion of seaming fabric (248) containing conductive thread (228) is limited to the area surrounding fingertips (212).
  • various other configurations and modifications to glove (210) will be apparent to those of ordinary skill in the art.
  • One method of creating a knit glove begins with the glove body (310) being knit on a circular knitting machine. The machine begins knitting at the first end (322) and knits towards the second end (324) stopping approximately at what will be the knuckles (316) of the completed glove (350). This process results in a glove body (310) that looks like a knit tube with two open ends, as shown in FIG. 10. "Waste threads" (314) are knitted into the glove to show the placement of the thumb.
  • the machine knits additional "waste threads" (312) at the knuckles (316) to show the placement of the fingers.
  • the glove body is then placed onto a circular knit fingering machine where the "waste threads" (312, 314) are removed.
  • the fingers and the thumb are then each loiitted to the glove body separately.
  • the fingers and thumbs look like open tubes. thumb are closed either by hand or machine.
  • a knit glove can be embroidered with conductive yarn.
  • a glove body is knit by any method known in the art. Fingers without conductive yarn are also made by any method loiown in the art.
  • flat patterns of the finger or fingers are knitted on a flat knitting machine using non-conductive yarn (326).
  • the flat patterns of the finger(s) are then embroidered with conductive yarn (328).
  • the conductive yarn is placed in a position that facilitates contacting a conductive touch screen.
  • the now embroidered flat patterns of the fmger(s) are folded as shown in Fig. 12, and the sides (332) of each flat pattern are connected to form a finger shell (340).
  • the finger shell(s) is then knitted, either manually or by machine to the glove body in a finger position (346) or a thumb position (348), as shown in FIG. 13.
  • the placement of the finger shells in FIG. 13 is only one configuration amongst an abundance of positions and combinations that the designer may choose from.
  • the glove body is then placed onto a circular knit fingering machine where the "waste threads" are removed. Any remaining non-conductive fingers are then knitted to the glove body separately.
  • Another process for creating embroidered conductive knit gloves begins with the glove body (310) and fingers being knit according to any method known in the art.
  • an applique 360, 364 is made of suede or another suitable material (362) or other material of sufficient structural integrity to be able to be embroidered and used as a glove finger.
  • the applique is then embroidered with conductive yarn (328). Openings are created in the fingertip(s) (340) of the fingers in a finger position (346) or a thumb position (348) of the knit glove.
  • the now embroidered applique is attached to the surface of the finger in the finger position (346) or thumb position (348) and covers the opening in the finaprtins ⁇ ⁇
  • the nlaeement nf the embroidered annlinue in FIG. 16 is onlv one configuration amongst an abundance of positions and combinations that the designer may choose from.
  • the completed glove (342) is shown in FIG. 16.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Textile Engineering (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Gloves (AREA)

Abstract

A knit glove (10) operably configured for use with a capacitive touchscreen comprises a plurality of fingertips (12), an outer surface (30), and an inner surface, wherein at least one of the fingertips comprises conductive thread or yarn (28) extending from the outer surface of the knit glove to the inner surface of the glove to create a conductive pathway from the inner surface of the knit glove to the outer surface of the glove.

Description

PROCESS FOR MAKING KNIT EMBROIDERED CONDUCTIVE GLOVES
PRIORITY
[0001] This application is a continuation-in-part of and claims priority from co-pending
U.S. Patent Application Serial No. 12/869,827, entitled "GLOVE WITH CONDUCTIVE FINGERTIPS," filed August 27, 2010, which claims priority from U.S. Provisional Patent Application Serial No. 61/237,524, filed August 27, 2009, entitled "GLOVE WITH CONDUCTIVE FINGERTIPS," and it claims priority from U.S. Provisional Patent Application Serial No. 61/545,351, filed October 10, 2011 , entitled "PROCESS FOR MAKING KNIT EMBROIDERED CONDUCTIVE GLOVES," the disclosure of each of which is incorporated by reference herein.
BACKGROUND
[0002] This disclosure relates to a process for making a glove for operating an electronic device, particularly a device with a touchscreen. To operate capacitive touchscreens requires electric conductivity between the screen and a user's fingers. Thus, users of such electronic devices can find it difficult to operate the device while wearing gloves. The exemplary gloves described herein overcome this difficulty by providing gloves with conductive fingertips.
[0003] While a variety of gloves have been made and used, it is believed that no one prior to the inventor(s) has made or used gloves as described herein. SUMMARY
[0004] A glove comprises a plurality of fingertips, an outer surface, and an inner surface, wherein at least one of the fingertips comprises conductive thread or yarn extending from the outer surface of the glove to the inner surface of the glove.
BRIEF DESCRIPTION OF THE DRAWINGS
[0005] While the specification concludes with claims which particularly point out and distinctly claim the invention, it is believed the present invention will be better understood from the following description of certain examples taken in conjunction with the accompanying drawings, in which like reference numerals identify the same elements and in which:
[0006] FIG. 1 depicts a perspective view of an exemplary glove;
[0007] FIG. 2 depicts a bottom view (from the palm side) of the glove of FIG. 1 ;
[0008] FIG. 3 depicts a bottom view of the fingertip portion of the index finger of the glove of FIG. 1 ;
[0009] FIG. 4 depicts an end view of the fingertip portion of the index finger of the glove of FIG. 1 , with the glove turned inside-out to show conductive thread extending to the interior of the glove;
[00010] FIG. 5 depicts a perspective view of another exemplary glove;
[00011] FIG. 6 depicts a bottom view (from the palm side) of the glove of FIG. 5;
[00012] FIG. 7 depicts an end view of the fingertip portions of the index finger and thumb of the glove of FIG. 5;
[00013] FIG. 8 depicts an end view of the fingertip portions of the index finger and thumb extending to the interior of the glove;
FIG. 9 depicts a perspective view of another exemplary glove;
FIG. 10 depicts a perspective view of an exemplary knit glove body with "waste threads";
FIG. 11 depicts a top view of an exemplary flat pattern used to form the finger and thumb shells of a lcnit glove;
FIG. 12 depicts a perspective view of an exemplary finger or thumb shell of a knit glove;
FIG. 13 depicts a bottom view (from the palm side) of an exemplary glove;
FIG. 14 depicts a top view of an exemplary applique;
FIG. 15 depicts a top view of another exemplary applique; and
FIG. 16 depicts a perspective view (from the palm side) of an exemplary glove with the applique.
The drawings are not intended to be limiting in any way, and it is contemplated that various embodiments of the invention may be carried out in a variety of other ways, including those not necessarily depicted in the drawings. The accompanying drawings, incorporated in and forming a part of the specification, illustrate several aspects of the present invention, and together with the description serve to explain the principles of the invention; it being understood, however, that this invention is not limited to the precise arrangements shown.
DETAILED DESCRIPTION
The following description of certain examples of the invention should not be used embodiments, and advantages of the invention will become apparent to those skilled in the art from the following description. As will be realized, the invention is capable of other different and obvious aspects, all without departing from the invention. Accordingly, the drawings and descriptions should be regarded as illustrative in nature and not restrictive.
[00024] In this application, the word "finger" and "fingertip" apply equally to fingers/fingertips and thumbs/thumbtips. Similarly, the word "thumb" and "thumbtips" apply equally to thumbs/thumbtips and fingers/fingertips. "Glove" can also mean mitten. The words "yarn" and "thread" can be used interchangeably.
[00025] FIGS. 1-4 illustrate an exemplary glove (10) having fingertips (12). At the index finger position (14) and the thumb position (16) fingertips (12) are conductive. In the present example, glove (10) comprises a backhand side (18) as shown in FIG. 1, a palm side (20) as shown in FIG. 2, a first end (22) comprising an opening (not shown) for a user to insert their hand, and a second end (24) where the distal portion of fingertips (12) are located.
[00026] Glove (10) is knit substantially from non-conductive yarn (26) and also includes conductive yarn (28) knit into fingertips (12) at index finger position (14) and thumb position (16). Of course, conductive yarn (28) can be knit into fingertips (12) at only a single finger position, at all finger positions, or even throughout all of glove (10) in some versions. In the present example, glove (10) is first knit of yarn (26), then conductive yarn (28) is knit into glove (10) at index finger position (14) and thumb position (16) as best shown in FIGS. 3 and 4. In the illustrated versions of FIGS. 1-4, the entire fingertip (12) at index finger position (14) and thumb position (16) are knit of a combination of conductive yarn (28) and non- conductive yarn (26). With this construction, conductive yarn (28) extends from an outer surface (30) of glove (10) to an inner surface (32) of glove (10) to create of glove (10), to a touchscreen, which contacts outer surface (30) of glove (10). In some other versions, instead of fingertips (12) being knit of a combination of non-conductive yarn (26) and conductive yarn (28), fingertips (12) can be knit entirely of conductive yarn (28). In the present example, the distribution of conductive yarn (28) and non-conductive yarn (26) in certain fingertips (12) is substantially uniform. In some other versions, the distribution of conductive yarn (28) and non-conductive yarn (26) in certain fingertips (12) can be not uniform. For example, certain fingertips (12) can be knit to include an area of non- conductive yarn (26) along with one or more dense areas of conductive yarn (28).
[00027] The shape of the knit area and the length of fingertips (12) that include conductive yarn (28) can take into consideration the portion of the finger and/or thumb that is used to operate a touchscreen. In the present example, about one and one-half inches at the end of fingertips (12) at index finger position (14) and thumb position (16) include conductive yarn (28); of course greater or lesser lengths may be used. Also, conductive yarn (28) can be knit into all areas of fingertips (12). For instance, in the illustrated version, at index finger position (14) and thumb position (16), conductive yarn (28) is located on the pad (34), the back (36), the sides (38), and the distal-most tip (40) of those fingertips (12). In some other versions, conductive yarn (28) is located in select areas of fingertips (12) instead of all areas. In the illustrated version, the user can operate the touchscreen by contacting the touchscreen with any part of fingertip (12) containing conductive yarn (28) (e.g., pad (34), sides (38), tip (40), etc.) in an amount and arrangement sufficient to create the electrical pathway between the user's finger and the touchscreen.
[00028] The non-conductive portions of glove (10) can be lcnit using processes known in the art, using materials known in the art, including but not limited to acrylic yarn, Lycra, or feather yarn (100% nylon). The conductive portions of glove (10) can versions conductive yarn (28) is comprised of two ends of conductive thread mixed with non-conductive thread. In some versions, conductive yarn (28) can conduct 82 ohms/foot to 14 ohms/foot. Glove (10) can be machine-knit or hand- knit.
[00029] FIG. 2 further illustrates a palm patch (42) that is stitched onto palm side (20) of glove (10). In the present example palm patch (42) is constructed from leather and can aid in gripping objects, (e.g., objects having touchscreens, etc.). Other materials of construction for palm patch (42) will be apparent to those of ordinary skill in the art in view of the teachings herein, and may include suede, synthetic leather, synthetic suede, pigsplit, embossed polyurethane, silicone, among others.
[00030] In view of the teachings herein, various other configurations and modifications to glove (10) will be apparent to those of ordinary skill in the art. By way of example only, and not limitation, conductive yarn (28) may be knit into any decorative pattern so long as there is sufficient conductive thread to conduct an electrical impulse from the user's finger to the touchscreen. In some versions, all or some of fingertips (12) of one glove (10) from a pair of gloves are conductive, while in other versions all or some of fingertips (12) of both gloves (10) from the pair are conductive.
[00031] FIGS. 5-8 illustrate another exemplary glove (110) having fingertips (112). At the index finger position (114) and the thumb position (116) fingertips (1 12) are conductive. In the present example, glove (1 10) comprises a backhand side (1 18) as shown in FIG. 5, a palm side (120) as shown in FIG. 6, a first end (122) comprising an opening (not shown) for a user to insert their hand, and a second end (124) where the distal portion of fingertips (112) are located.
[00032] Glove (110) is constructed by assembling cut fabrics together using processes known in the art (e.g., sewing together cut fabrics forming seams). In the present seaming fabric (148), an index fmger fabric (150), and a thumb fabric (152). These fabrics are generally non-conductive fabrics (126) sewn together as shown to form glove (110). Conductive thread (128) is embroidered or stitched into or onto the fabrics that make up fingertips (112) at index finger position (114) and thumb position (116) to provide conductive pathways between the user's fingertip and a touchscreen. Any well-known embroidery technique may be used to apply conductive thread (128) to fingertips (112) of glove (1 10). This embroidery or stitching with conductive thread (128) can be done before the fabrics (144, 146, 148, 150, 152) are assembled to form glove (110) or after the fabrics (144, 146, 148, 150, 152) have been assembled to form glove (1 10). In either approach conductive thread (128) passes from the inner surface (132) of glove (110) to the outer surface (130) of glove (1 10) to provide conductive pathways between the user's fingertip inside glove (110) and the conductive embroidery or stitching on the outside of glove (1 10), which in turn would contact the capacitive touchscreen.
In the present example, the embroidery or stitching with conductive thread (128) is directly onto index fmger fabric (150) and thumb fabric (152) such that the embroidery or stitching itself extends from outer surface (130) of glove (1 10) to inner surface (132) of glove (110) as best seen in FIGS. 7 and 8. In other versions, the embroidery or stitching with conductive thread (128) is completed on a separate piece of fabric that is sewn onto outer surface (130) at fingertips (1 12) in index fmger position (1 14) and thumb position (1 16). The attachment of the separate embroidery or stitched piece is done with conductive thread (128) that extends from and contacts both the conductive embroidery or stitching on outer surface (130) of glove (1 10), and the user's fingertip on inner surface (132) of glove (1 10). In this arrangement conductive thread (128) that attaches the conductive embroidered or stitched piece to glove (1 10) completes the circuit to establish the pathway between the user's fingertip within glove (110) and the (110). In still other versions, conductive thread (128) is laid on index finger fabric (150) and thumb fabric (152) at index finger position (1 14) and thumb position (1 16) respectively, and conductive thread (128) is then stitched to fabrics (150, 152) with non-conductive thread.
[00034] While the illustrated version in FIGS. 5-8 show conductive fingertips (1 12) at index finger position (114) and thumb position (116), in other versions conductive thread (128) can be embroidered or stitched into fingertips (112) at only a single finger position, at all finger positions, or even other places throughout glove (110). Where conductive thread (128) is positioned at locations of glove (1 10) (e.g., the backhand area or palm area) that would not typically directly contact and operate a touchscreen, a link between such location and the area contacting and operating the touchscreen (e.g., fingertips (112)) is established by connecting the areas with conductive thread (128) to complete the circuit.
[00035] The shape and length of the embroidered or stitched area (154) at fingertips (1 12) that include conductive thread (128) can take into consideration the portion of the finger and/or thumb that is used to operate a touchscreen. In the present example, conductive embroidery or stitching (154) located at index finger position (1 14) and thumb position (116) comprises an hour glass shape having a top portion (156), a bottom portion (158), and a neck portion (160) having a narrower width compared to top and bottom portions (156, 158). Neck portion (160) of the hour glass shape wraps the distal-most tip (140) of fingertips (112), thus top portion (156) extends to the back (136) of fingertip (1 12) on backhand side (1 18) of glove (110) while bottom portion (158) extends to the pad (134) of fingertip (1 12) on palm side (120) of glove (110). This configuration for conductive embroidery or stitching (154) provides a continuous area of conductive thread (128) from pad (134) to back (136) of fingertips (112) at index finger position (114) and thumb position (116). In this arrangement, the user could operate the touchscreen by thread (128) (e.g., pad (134), back (136), tip (140)) in an amount and arrangement sufficient to create the electrical pathway between the user's finger and the touchscreen.
[00036] As shown in FIG. 6, bottom portion (158) of conductive embroidery or stitching
(154) comprises a curved lower edge (162) and chevrons (164). In the present example, curved lower edges (162) at index finger position (114) and thumb position (116) are configured to extend conductive embroidery to portions of the index finger and thumb that the user may use to operate a touch screen. Also in the present example, chevrons (164) represent an area not embroidered or stitched with conductive thread (128). However, in some versions chevrons (164) represent areas of greater conductivity where chevrons (164) are embroidered or stitched with thread having greater conductivity. Still yet in some versions, only chevrons (164) include conductive thread (128), without additional surrounding embroidery or stitching. In view of the teachings herein, other shapes and dimensions for conductive embroidery or stitching (154) will be apparent to those of ordinary skill in the art.
[00037] The non-conductive portions of glove (110) can be assembled using materials known in the art of glove/mitten making. For example, in some versions spandex
(77% nylon, 23% Spandex) is laminated to 100% polyester fleece to form glove
(110). In some versions glove (110) is made of stretch fleece (94% polyester, 6%
Spandex), or glove (110) is made of stretch fleece and jersey sides with gripper silicone printing (142) on palm side (120). In other versions, glove (1 10) includes textured stretch material (60% Tactel, 30% Coolmax, 10% Lycra Spandex) laminated to 100% polyester fleece for use in backhand side (118). Another version includes stretch ottoman (96% polyester, 4% spandex) in the backhand side (118). In other versions, textured water resistant or water repellant microfiber fabric is laminated to 100% polyester fleece. Still in other versions, - 1 — — J _ _ > a 1 ΛΛΟ/ 1 nno . polyester fleece. Leather, either hairsheep or goatskin, can be used in the backhand side (118) of glove (110) in some versions. The cuffs, palm, and fourchettes of gloves (1 10) can be made of a blend of 80% nylon and 20% Lycra Spandex, or a blend of 79% nylon and 21% Lycra Spandex, or a stretch fleece material (94% polyester, 6% Lycra Spandex) that can also be used for seaming fabric (148). Synthetic suede (60% polyurethane, 40% nylon) can be used as appliques or tabs. Gloves (110), in some versions, include palm patches made of pigsplit or embossed polyurethane. In view of the teachings herein, other materials of construction for gloves (110) will be apparent to those of ordinary skill in the art.
Any conductive thread can be used in making glove (110) so long as there is sufficient conductivity to conduct an electrical impulse from the user's finger to the touchscreen. In the present example, conductive thread (128) can conduct 82 ohms/foot to 14 ohms/foot. As mentioned previously, glove (1 10) is machine- sewn in some versions, with machine embroidery or stitching. In the present example, when embroidering or stitching conductive thread (128) into glove (110), conductive thread (128) is used in both the top and bottom bobbins. In some other versions, when embroidering or stitching conductive thread (128) into glove (110), conductive thread (128) is used in the top bobbin only. Still in some other versions, when embroidering or stitching conductive thread (128) into glove (110), conductive thread (128) is used in the bottom bobbin thread only. In other versions, conductive thread (128) is hand-sewn into glove (1 10). Conductive thread (128) for stitching or embroidery can be comprised of a finer thread with four ends that conducts 90 ohms/foot to 95 ohms/foot. Such conductive thread (128) can be a 100% nylon thread with silver coating, with a thickness before coating of 280D and 340D after coating. In view of the teachings herein, other types of conductive thread (128) for use in making gloves (1 10) will be apparent to those of ordinary skill in the art. [00039] FIG. 6 further illustrates silicone printing (142) on palm side (120) of glove (110).
In the present example silicone printing (142) is printed in a diamond pattern and aides in gripping objects, (e.g., objects having touchscreens, etc.). Other materials of construction for enhancing the grip of palm side (120) will be apparent to those of ordinary skill in the art in view of the teachings herein, and may include various palm patches constructed of suede, synthetic leather, synthetic suede, pigsplit, embossed polyurethane, among others.
[00040] In view of the teachings herein, various other configurations and modifications to glove (110) will be apparent to those of ordinary skill in the art. By way of example only, and not limitation, conductive thread (128) may be embroidered or stitched into any decorative pattern so long as there is sufficient conductive thread to conduct an electrical impulse from the user's finger to the touchscreen. In some versions, all or some of fingertips (112) of one glove (110) from a pair of gloves are conductive, while in other versions all or some of fingertips (112) of both gloves (110) from the pair are conductive. In some versions the thumb and index finger of glove (1 10) can be the only fingertips (112) that are conductive. In some versions conductive portions of fingertips (1 12) can be placed on the side portions of the index fingertip and thumbtip, especially for users who often press touchscreens with the side of their thumb, rather than directly on the area covering pad (134) of the thumb.
[00041] FIG. 9 illustrates another exemplary glove (210) having fingertips (212) that are conductive. Similar to glove (110) of FIGS. 5-8, glove (210) comprises a bacldiand side (218), a palm side (not shown), a first end (222) comprising an opening (not shown) for a user to insert their hand, and a second end (224) where the distal portion of fingertips (212) are located. Glove (210) is constructed in a similar fashion as glove (110)— by assembling cut fabrics together using processes known in the art (e.g., sewing together cut fabrics forming seams). In fabric (246), and a seaming fabric (248). The palm and backhand fabrics are generally non-conductive fabrics (226) sewn together to form glove (210). Seaming fabric (248) is sewn between and joins palm and backhand fabrics. In the present example, seaming fabric (248) comprises a tape (e.g., a knit or a woven tape), where conductive thread (228) is knit or woven into the tape. In some other versions a twill tape incorporating conductive thread (228) can be used. The tape can then be laid from seam to seam across fingertips (212) of glove (210), and the ends of the tape can be sewn so as to touch a user's fingers on the inside of the glove. In the present example all of seaming fabric (248) comprises the tape having conductive thread (228); however, in other versions the portion of seaming fabric (248) containing conductive thread (228) is limited to the area surrounding fingertips (212). In view of the teachings herein, various other configurations and modifications to glove (210) will be apparent to those of ordinary skill in the art.
There are several methods of making knitted gloves that are well-known in the art. The assembly methods discussed hereinafter are known to one of ordinary skill in the art, and other methods of knitting and assembling a loiitted glove would be apparent to one of ordinary skill in the art. One method of creating a knit glove begins with the glove body (310) being knit on a circular knitting machine. The machine begins knitting at the first end (322) and knits towards the second end (324) stopping approximately at what will be the knuckles (316) of the completed glove (350). This process results in a glove body (310) that looks like a knit tube with two open ends, as shown in FIG. 10. "Waste threads" (314) are knitted into the glove to show the placement of the thumb. The machine knits additional "waste threads" (312) at the knuckles (316) to show the placement of the fingers. The glove body is then placed onto a circular knit fingering machine where the "waste threads" (312, 314) are removed. The fingers and the thumb are then each loiitted to the glove body separately. The fingers and thumbs look like open tubes. thumb are closed either by hand or machine.
[00043] In another embodiment of the present conductive glove, a knit glove can be embroidered with conductive yarn. A glove body is knit by any method known in the art. Fingers without conductive yarn are also made by any method loiown in the art. To prepare a finger or fingers containing conductive material, as shown in Fig. 11 , flat patterns of the finger or fingers are knitted on a flat knitting machine using non-conductive yarn (326). The flat patterns of the finger(s) are then embroidered with conductive yarn (328). The conductive yarn is placed in a position that facilitates contacting a conductive touch screen. The now embroidered flat patterns of the fmger(s) are folded as shown in Fig. 12, and the sides (332) of each flat pattern are connected to form a finger shell (340). The finger shell(s) is then knitted, either manually or by machine to the glove body in a finger position (346) or a thumb position (348), as shown in FIG. 13. The placement of the finger shells in FIG. 13 is only one configuration amongst an abundance of positions and combinations that the designer may choose from. The glove body is then placed onto a circular knit fingering machine where the "waste threads" are removed. Any remaining non-conductive fingers are then knitted to the glove body separately.
[00044] Another process for creating embroidered conductive knit gloves begins with the glove body (310) and fingers being knit according to any method known in the art. As shown in Figs. 14 and 15, an applique (360, 364) is made of suede or another suitable material (362) or other material of sufficient structural integrity to be able to be embroidered and used as a glove finger. The applique is then embroidered with conductive yarn (328). Openings are created in the fingertip(s) (340) of the fingers in a finger position (346) or a thumb position (348) of the knit glove. The now embroidered applique is attached to the surface of the finger in the finger position (346) or thumb position (348) and covers the opening in the finaprtins Π Π The nlaeement nf the embroidered annlinue in FIG. 16 is onlv one configuration amongst an abundance of positions and combinations that the designer may choose from. The completed glove (342) is shown in FIG. 16.
While particular embodiments of the present invention have been illustrated and described, it would be obvious to those skilled in the art that various other changes and modifications can be made without departing from the spirit and scope of the invention. It is therefore intended to cover in the appended claims all such changes and modifications that are within the scope of this invention.

Claims

I/we claim:
1. A method for making conductive gloves, wherein the conductive glove comprises a glove body, and at least one finger embroidered with conductive yarn, wherein the method comprises the steps of:
(A) making at least one flat pattern;
(B) embroidering the flat pattern with conductive yarn;
(C) shaping and securing the flat pattern to form an embroidered fmger shell;
(D) attaching the embroidered finger shell to the glove body; and
(E) attaching any remaining fmger shells to the glove body such that a glove is formed.
2. The method of claim 1, wherein at least two embroidered finger shells are made, and attached to the glove body.
3. The method of claim 2, wherein one embroidered fmger shell is attached to the glove body in a thumb position, and at least one other embroidered fmger shell is attached to the glove body.
4. The method of claim 3, wherein at least one embroidered finger shell is attached to the glove body in the index finger position.
5. A method for making conductive gloves, wherein the conductive glove comprises a glove body, and at least one fmger embroidered with conductive yarn, wherein the method comprises the steps of:
(A) providing a glove with at least one fmger;
(B) making at least one applique; (C) embroidering the applique with conductive yarn; and
(D) attaching the embroidered applique to at least one finger of the glove.
6. The method of claim 5, wherein at least two embroidered appliques are made, and attached to fingers of the glove.
7. The method of claim 6, wherein one embroidered applique is attached to the finger in a thumb position, and at least one other embroidered applique is attached to a remaining finger.
8. The method of claim 7, wherein at least one embroidered applique is attached to the finger in the index finger position.
9. A knit glove comprising a plurality of fingertips, an outer surface, and an inner surface, wherein at least one of the fingertips comprises embroidered conductive material extending from the outer surface of the glove to the inner surface of the glove.
10. The glove of claim 9, wherein the conductive material establishes a conductive pathway from the inner surface of the glove to the outer surface of the glove.
1 1. The glove of claim 9, wherein at least one of the fingertips is embroidered with conductive yarn.
12. The glove of claim 9, wherein at least two of the fingertips are embroidered conductive yarn.
13. The glove of claim 9, wherein at least one fingertip comprises an applique embroidered with conductive material
14. The glove of claim 9, wherein at least two fingertips comprise an applique embroidered with conductive yarn.
15. The glove of claim 9, wherein the conductive yarn conducts about 82 ohms/foot to about 14 ohms/foot.
16. The glove of claim 9, wherein at least one fingertip comprises a flat pattern embroidered with conductive material.
17. The glove of claim 9, wherein at least two fingertips comprise a flat pattern embroidered with conductive yarn.
PCT/US2012/059498 2011-10-10 2012-10-10 Process for making knit embroidered conductive gloves WO2013055759A1 (en)

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