EP3053460B1 - Article chaussant - Google Patents

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Publication number
EP3053460B1
EP3053460B1 EP16153218.9A EP16153218A EP3053460B1 EP 3053460 B1 EP3053460 B1 EP 3053460B1 EP 16153218 A EP16153218 A EP 16153218A EP 3053460 B1 EP3053460 B1 EP 3053460B1
Authority
EP
European Patent Office
Prior art keywords
strip
nonslip
foot
heel
cloth
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16153218.9A
Other languages
German (de)
English (en)
Other versions
EP3053460A1 (fr
Inventor
Susumu Hara
Naomi Hamazaki
Atsushi Tomohisa
Chika Watatani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Okamoto Corp
Original Assignee
Okamoto Corp
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Filing date
Publication date
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Priority to EP20164986.0A priority Critical patent/EP3689166A1/fr
Publication of EP3053460A1 publication Critical patent/EP3053460A1/fr
Application granted granted Critical
Publication of EP3053460B1 publication Critical patent/EP3053460B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
    • A41B11/00—Hosiery; Panti-hose
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
    • A41B11/00—Hosiery; Panti-hose
    • A41B11/008—Hosiery with an anti-slip coating
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
    • A41B11/00—Hosiery; Panti-hose
    • A41B11/003—Hosiery with intermediate sections of different elasticity
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
    • A41B11/00—Hosiery; Panti-hose
    • A41B11/10—Stocking protectors
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
    • A41B17/00—Selection of special materials for underwear
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
    • A41B2400/00—Functions or special features of shirts, underwear, baby linen or handkerchiefs not provided for in other groups of this subclass
    • A41B2400/80—Friction or grip reinforcement
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
    • A41B2400/00—Functions or special features of shirts, underwear, baby linen or handkerchiefs not provided for in other groups of this subclass
    • A41B2400/80—Friction or grip reinforcement
    • A41B2400/82—Friction or grip reinforcement with the body of the user
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
    • A41B2500/00—Materials for shirts, underwear, baby linen or handkerchiefs not provided for in other groups of this subclass
    • A41B2500/50—Synthetic resins or rubbers
    • A41B2500/52—Synthetic resins or rubbers in sheet form

Definitions

  • the present invention relates to legwear to be worn by a leg. More specifically, the present invention relates to legwear which prevents displacement or prevents a foot from being out of the legwear due to motions such as walking.
  • legwear such as socks has been used for the purpose of preventing a user from feeling discomfort, fatigue, coldness etc. when the user wears shoes directly on the user's bare legs.
  • legwear In a case of wearing shoes on legwear, there occurs friction between the legwear and the shoes.
  • the legwear Under the friction between the shoes and the legwear exceeds friction between the legs and the legwear, the legwear follows a motion of the shoes instead of a motion of the legs, so that the legwear is displaced or a foot is out of the legwear.
  • comfort in wearing shoes is deteriorated.
  • legwear which is less likely to be displaced or less likely to allow a foot to be out of the legwear has been requested.
  • a foot cover is designed to be hidden in shoes when a user wears the shoes, the foot cover covers only a small area of a user's foot, so that the foot cover is likely to be displaced or a foot is likely to be out of the foot cover while the user wears the foot cover.
  • Patent Literatures 1 to 6 propose legwear having respective types of nonslip parts on insides of heel parts which cover heels.
  • Patent Literatures 1 and 2 each propose legwear in which a nonslip part having a strip shape is provided horizontally on an inside of a heel part.
  • Patent Literatures 3 and 4 each propose legwear in which a plurality of nonslip parts having a protrusion shape or a fragment shape are provided incontinuously on an inside of a heel part.
  • Patent Literatures 5 and 6 each propose legwear in which a nonslip part having a planar shape is provided on an inside of a heel part.
  • One cause for a foot cover being displaced or a foot getting out of the foot cover is that cloth of a heel part of the foot cover is pulled forward due to contact and friction between the ground and a foot in motions such as walking, so that a nonslip part is displaced. That is, the nonslip part provided on an inside of the cloth of the heel part is moved by following expansion and contraction of the cloth of the heel part. Furthermore, since a mechanism of walking includes not only a bending and stretching motion of an ankle in a vertical direction but also a motion of the ankle in a horizontal direction (extraversion direction or inversion direction), the cloth of the heel part is pulled in a horizontal direction, too. Consequently, the nonslip part cannot stay at a predetermined position and cannot yield a sufficient nonslip effect. As a result, the foot cover is more likely to be displaced or a foot is more likely to get out of the foot cover.
  • Patent Literatures 1 and 2 since a nonslip part having a strip shape is provided horizontally, expansion and contraction of the cloth of the heel part in a horizontal direction is subdued, but expansion and contraction of the cloth of the heel part in a vertical direction cannot be subdued. Consequently, in Patent Literatures 1 and 2, the displacement of the nonslip part in a vertical direction is likely to occur, so that the nonslip part cannot yield a sufficient nonslip effect.
  • Patent Literatures 3 and 4 since nonslip parts having a protrusion shape or fragment shape are scattered, it is impossible to subdue expansion and contraction of the cloth of the heel part in vertical and horizontal directions. Consequently, in Patent Literatures 3 and 4, the displacement of the nonslip part in vertical and horizontal directions is likely to occur, so that the nonslip part cannot yield a sufficient nonslip effect.
  • Patent Literatures 5 and 6 since a nonslip part having a planar shape is provided so as to cover a back surface of a heel, it is possible to subdue expansion and contraction of the cloth of the heel part in vertical and horizontal directions. However, the nonslip part does not fit the heel, and a gap appears. Consequently, the configurations of Patent Literatures 5 and 6 cannot yield a sufficient nonslip effect. Furthermore, in the configurations of Patent Literatures 5 and 6, since the nonslip part having a planar shape covers the back surface of the heel, skin is sensitive to sweat etc., so that comfort in wearing the legwear is deteriorated, which is a new problem.
  • WO2008/006525 discloses a foot cover having a heel region with an adhesive element which side faces the wearer's foot so as to retain its position on the wearer's foot when being worn.
  • US2014/223630 a legwear according to the preamble of claim 1.
  • An object of the present invention is to provide legwear capable of suitably subduing the legwear from being displaced or a foot from being out of the legwear without decreasing comfort in wearing the legwear.
  • legwear of the present invention includes: a main body part including a sole part which covers a sole and a heel part which covers a heel, the main body part having elasticity; and a nonslip part provided on an inside of the heel part, the nonslip part having elasticity lower than that of a cloth of the heel part, the nonslip part including strip-shaped parts which prevent the cloth of the heel part from expanding and contracting in a vertical direction and a horizontal direction, where the vertical direction is a direction perpendicular to the sole part and the horizontal direction is a width direction of the sole part, wherein the strip-shaped parts include:a first strip-shaped part which extends in a substantially horizontal direction; and one or more second strip-shaped parts each of which extends in a substantially vertical direction, wherein said one or more second strip-shaped parts are two second strip-shaped parts, the two second strip-shaped parts are provided such that a calcaneus is sandwiched therebetween, and wherein the first strip-shaped part is provided across an
  • legwear capable of suitably subduing the legwear from being displaced or a foot from being out of the legwear without decreasing comfort in wearing the legwear.
  • the present invention is applicable not only to a foot cover exposing an instep and an ankle of a foot but also to various types of legwear designed to cover an instep and an ankle of a foot.
  • Fig. 1 is a perspective view illustrating an outline configuration of a foot cover 1 for a right foot, in accordance with the present embodiment.
  • the foot cover 1 includes a main body part 2 to be worn by a foot F and a nonslip part 3 for preventing (i) the main body part 2 from being displaced and/or (ii) the heel from being out of the main body part 2.
  • the main body part 2 includes a sole part 21 which covers a sole, a toe part 22 which covers toes, side parts 23 which cover respective sides of the foot F, and a heel part 24 which covers a heel.
  • the main body part 2 further includes an opening part2a via which the foot F is inserted into or is taken off the foot cover 1.
  • the opening part 2a is positioned oppositely in upward and downward directions to the sole part 21.
  • the opening part 2a is widely opened so that an instep and an ankle are exposed in the opening part 2a. Consequently, when a shoe is worn, the main part 2 is hidden entirely in the shoe.
  • the main body part 2 is made of highly elastic cloth.
  • the cloth of the main body part 2 is preferably one with excellent air-permeability and moisture-absorption property.
  • Preferable examples of the cloth include (i) a natural fiber such as cotton, linen, wool, or silk and (ii) a chemical fiber such as rayon, nylon, acrylic, or polyester.
  • the main body part 2 is knitted by a knitting machine, however, the main body part 2 can be formed by sewing pieces of cloth which have been weaved by a weaving machine.
  • the nonslip part 3 is a strip-shaped member made of a material having lower elasticity and a higher friction coefficient than the cloth of the main body part 2.
  • the nonslip part 3 is provided inside of the heel part 24 so as to be on a region which is located lower than a malleolus (lateral malleolus and medial malleolus) and behind the malleolus.
  • the nonslip part 3 contacts the heel, so as to prevent (i) the main body part 2 from being displaced and/or (ii) the foot F from being out of the main body part 2.
  • the material of the nonslip part 3 is not particularly limited, provided that it has lower elasticity and a higher friction coefficient than the cloth of the main body part 2.
  • Various materials can be employed as the material of the nonslip part 3. Examples of the material include resins having relatively large friction resistance to skin ((i) a natural resin such as natural rubber and (ii) a synthesized resin such as silicon gum or urethane gum).
  • the nonslip part 3 is formed by attaching (applying) a resin etc. to a nonslip part forming cloth (base material) so as to have a sheet shape and is then attached to the heel part 24 of the main body part 2.
  • the shape of the resin etc. to be attached to the nonslip part forming cloth is not required to match the nonslip part forming cloth, and can therefore be any pattern such as a particulate pattern or a floral pattern. It is further preferable to provide minute roughness on a surface of the resin etc. so as to increase a friction coefficient.
  • the nonslip part forming cloth is preferably cloth having certain elasticity.
  • cloth having certain elasticity as the base material, it is possible for the cloth of the heel part 24 to be further effectively prevented from being expanded and contracted in vertical and horizontal directions without preventing the cloth of the heel part 24 from suitably fitting the shape of the heel, as compared with a case of directly applying or attaching a resin etc. to the cloth of the heel part 24 (main body part 2).
  • the nonslip part forming cloth (base material) is preferably cloth having roughness.
  • the nonslip part forming cloth is knitted cloth or woven cloth etc. which has roughness caused by a knitted pattern or a weave pattern, it is possible to easily provide a surface of the resin etc. with minute roughness, by thinly applying resin etc. to the nonslip part forming cloth. This allows an increase in friction coefficient.
  • a resin can be directly applied or attached to the cloth of the heel part 24 of the main body part 2.
  • Fig. 2 is a schematic view illustrating the shape of the nonslip part 3 (see Fig. 1 ).
  • (a) of Fig. 2 is a rear view of the nonslip part 3.
  • (b) of Fig. 2 is a side view of the nonslip part 3. Note that Achilles' tendon A is not illustrated in (a) of Fig. 2 .
  • the nonslip part 3 has a shape obtained by combining a plurality of strip-shaped parts extending in different directions so that the cloth of the heel part 24 is subdued from expanding and contracting in a vertical direction (x-direction in the drawings) and a horizontal direction (y-direction in the drawings).
  • the vertical direction is defined as a direction perpendicular to the sole part 21, and the horizontal direction is defined as a width direction of the sole part 21 (in the drawings, a direction from a heel to toes is indicated as z-direction).
  • the nonslip part 3 includes a horizontal strip-shaped part (first strip-shaped part) 31 which extends in a substantially horizontal direction across the Achilles' tendon A and two vertical strip-shaped parts (second strip-shaped parts) 32a and 32b which extend in a substantially vertical direction.
  • the two vertical strip-shaped parts 32a and 32b are provided so that a calcaneus B (or calcaneal tuber C) is sandwiched therebetween.
  • the two vertical strip-shaped parts 32a and 32b are provided so as to have a slight angle with a vertical direction. This causes a distance, between the two vertical strip-shaped parts 32a and 32b, to become larger as closer to the sole part 21.
  • a center portion of a back surface of the calcaneus B e.g. calcaneal tuber C
  • the rectangular region R is defined by (i) two sides which abut on respective end portions of the nonslip part 3 in a vertical direction (i.e. an upper end portion of the horizontal strip-shaped part 31 and lower end portions of the vertical strip-shaped parts 32a and 32b) and which are parallel to each other in a horizontal direction and (ii) two sides which abut on respective end portions of the nonslip part 3 in a horizontal direction (i.e.
  • the nonslip part 3 is preferably designed such that (i) the horizontal strip-shaped part 31 and the vertical strip-shaped part 32a are connected with each other and (ii) the horizontal strip-shaped part 31 and the vertical strip-shaped part 32b are connected with each other, so that the horizontal strip-shaped part 31, the vertical strip-shaped part 32a, and the vertical strip-shaped part 32b are continuous one another.
  • This causes a partial displacement of the nonslip part 3 to become difficult to occur. It is therefore possible to further effectively subdue the cloth of the heel part 24 from expanding and contracting in vertical and horizontal directions.
  • the cloth of the heel part 24 is pulled in a vertical direction, in a case where the cloth of the heel part 24 does not follow, during walking, a motion of a neighborhood portion of the Achilles' tendon A.
  • the cloth of the heel part 24 is also pulled in a horizontal direction, because a mechanism of walking includes not only a bending and stretching motion of an ankle in a vertical direction but also a motion of the ankle in a horizontal direction (extraversion direction or inversion direction).
  • the foot cover 1 is provided such that the horizontal strip-shaped part 31 and the two vertical strip-shaped parts 32a and 32b are combined with one another in a substantially horseshoe shape in which the sole part 21 side is opened. This allows for subdual of expansion and contraction of the cloth of the heel part 24 in vertical and horizontal directions.
  • the horizontal strip-shaped part 31 is provided above that portion
  • the vertical strip-shaped part 32a is provided on a left side of that portion
  • the vertical strip-shaped part 32b is provided on a right side of that portion, so as to surround a portion of the heel part 24 at which portion the cloth of the heel part 24 is easy to move (i.e., so as to surround a portion of the heel part 24 which portion corresponds to a center of a back surface of the calcaneus B).
  • the nonslip part 3 can suitably subdue the cloth of the heel part 24 from expanding and contracting in vertical and horizontal directions.
  • the main body part 2 is made of highly elastic cloth, the cloth itself of the heel part 24 suitably fits the shape of the heel. Accordingly, the foot cover 1 is not displaced even when a shoe etc. move. It is therefore possible to obtain a sufficient nonslip effect.
  • the nonslip part 3 is provided so that a plurality of strip-shaped parts are continuous each other. Since the nonslip part 3 is easy to fit the heel, a sufficient nonslip effect can be obtained. Since it is further possible to sufficiently secure air-permeability, skin is not sensitive to sweat etc.
  • the foot cover 1 capable of suitably subduing the foot cover 1 from being displaced or a foot from being out of the foot cover 1 without decreasing comfort in wearing the foot cover 1.
  • FIG. 3 are rear views illustrating respective variations of the nonslip part 3.
  • the nonslip part 3 is not limited to the aforementioned shape, provided that it can subdue the cloth of the heel part 24 from expanding and contracting in vertical and horizontal directions.
  • the nonslip part 3 can have a substantially H-shape in which the horizontal strip-shaped part 31 is provided so as to be connected with center portions of the two vertical strip-shaped parts 32a and 32b.
  • the nonslip part 3 can have a substantially T-shape in which a center portion of the horizontal strip-shaped part 31 is connected with an upper end portion of a vertical strip-shaped part 32c which extends in a vertical direction.
  • the nonslip part 3 can have a substantially reverse T-shape in which a center portion of the horizontal strip-shaped part 31 is connected with a lower end portion of a vertical strip-shaped part 32c which extends in a vertical direction.
  • the nonslip part 3 can have a substantially horseshoe shape in which an opening part 2a side is opened and in which the horizontal strip-shaped part 31 is connected with lower end portions of two vertical strip-shaped parts 32c and 32d which extend parallel in a substantially vertical direction.
  • the nonslip part 3 can have a substantially square shape in which upper end portions of two vertical strip-shaped parts 32c and 32d which extend parallel in a substantially vertical direction are connected with a horizontal strip-shaped part 31a which extends in a substantially horizontal direction, and lower end portions of the two vertical strip-shaped parts 32c and 32d are connected with a horizontal strip-shaped part 31b which extends in a substantially horizontal direction.
  • the nonslip part 3 can have a substantially X-shape consisting of two oblique strip-shaped parts (third strip-shaped parts) 33a and 33b which extend in oblique directions different from a substantially vertical direction and a substantially horizontal direction and which cross each other at respective center portions thereof.
  • the nonslip part 3 can have a substantially V-shape consisting of an oblique strip-shaped part 33a and an oblique strip-shaped part 33b which are connected with each other at respective lower end portions thereof.
  • the nonslip part 3 can have a reverse V-shape consisting of an oblique strip-shaped part 33a and an oblique strip-shaped part 33b which are connected with each other at respective upper end portions thereof.
  • the nonslip part 3 can have a substantially M-shape in which upper end portions of two vertical strip-shaped parts 32c and 32d which extend parallel in a substantially vertical direction are respectively connected with oblique strip-shaped parts 33a and 33b which are connected with each other to form a substantially V-shape.
  • the nonslip part 3 can have a curved shape in which a curved strip-shaped part (fourth strip-shaped part) 34 is provided so as to surround a center portion of a back surface of the calcaneus B (e.g. calcaneal tuber C).
  • the nonslip part 3 can be designed so as to include two curved strip-shaped parts 34a and 34b which cross each other and which surround a center portion of a back surface of the calcaneus B (e.g. calcaneal tuber C).
  • any of the configurations illustrated in (a) of Fig. 3 through (m) of Fig. 3 that it is preferable to provide the nonslip part 3 such that a center portion of a back surface of the calcaneus B (e.g. calcaneal tuber C) is located at a center of the rectangular region R.
  • a center portion of a back surface of the calcaneus B e.g. calcaneal tuber C
  • This allows the nonslip part 3 to be subdued from being displaced while suitably subduing expansion and contraction of the heel part 24 in vertical and horizontal directions.
  • the nonslip part 3 is not limited to any of the aforementioned shapes.
  • the nonslip part 3 can have any shape obtained by appropriately combining the horizontal strip-shaped parts 31, 31a, and 31b, the vertical strip-shaped parts 32a, 32b, 32c, and 32d, the oblique strip-shaped parts 33a and 33b, and the curved strip-shaped parts 34, 34a, and 34b so that expansion and contraction of the cloth of the heel part 24 can be subdued in vertical and horizontal directions.
  • Fig. 4 is a rear view illustrating another variation of the nonslip part 3 in accordance with the present embodiment.
  • the nonslip part 3 is not necessarily configured such that (i) the horizontal strip-shaped part 31 and the vertical strip-shaped part 32a are connected with each other and (ii) the horizontal strip-shaped part 31 and the vertical strip-shaped part 32b are connected with each other.
  • the horizontal strip-shaped part 31 can also subdue the cloth of the heel part 24 from expanding and contracting, in a horizontal direction, in response to a motion of an ankle in a horizontal direction (in an extraversion direction or inversion direction).
  • the vertical strip-shaped parts 32a and 32b can also subdue the cloth of the heel part 24 from expanding and contracting in a vertical direction in response to a bending and stretching motion of the ankle in a vertical direction.
  • FIG. 5 (a) of Fig. 5 through (f) of Fig. 5 are rear views illustrating nonslip parts tested in the respective Examples.
  • the nonslip part of the present invention there were prepared a nonslip part 3a and a nonslip part 3b each having a substantially horseshoe shape in which the sole part 21 side was opened.
  • a difference between the nonslip part 3a and the nonslip part 3b lies in that a width between two vertical strip-shaped parts 32a' and 32b' of the nonslip part 3b is smaller than a width between two vertical strip-shaped parts 32a and 32b of the nonslip part 3a.
  • a nonslip part 103a which was obtained by removing the horizontal band part 31 from the nonslip part 3a and which consisted of the vertical strip-shaped parts 32a and 32b; a nonslip part 103b which consisted of a vertical strip-shaped part 32c extending in a substantially vertical direction; a nonslip part 103c which consisted of a horizontal strip-shaped part 31c extending in a substantially horizontal direction; and a nonslip part 103d which consisted of a horizontal strip-shaped part 31d whose width (width in vertical direction) was larger than that of the horizontal strip-shaped part 31c.
  • Fig. 6 is a schematic view illustrating a test method carried out in the Examples.
  • Example 1 Example 2 Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 Area of nonslip part (mm 2 ) 1006 958 750 275 275 572 Mannequin (N/mm 2 ) - - 0.51 ⁇ 0.03 0.46+0.03 0.57 ⁇ 0.02 1.51 ⁇ 0.02 (-) (-) (0.00068) (0.00167) (0.00207) (0.00264) Mannequin+stocking (N/mm 2 ) 2.59 ⁇ 0.22 2.53 ⁇ 0.03 0.56 ⁇ 0.02 0.60 ⁇ 0.01 0.64 ⁇ 0.03 1.08 ⁇ 0.03 (0.00257) (0.00264) (0.00074) (0.00218) (0.00232) (0.00189) Stockingless leg (N/mm 2 ) 2.94 ⁇ 0.09 2.60 ⁇ 0.09 0.38 ⁇ 0.01 0.37 ⁇ 0.03 0.42 ⁇ 0.01 0.74 ⁇ 0.02 (0.00292) (0.00271) (0.00050) (0.00134) (0.00152) (0.00129)
  • Table 1 shows the results of the tests carried out in the respective Examples.
  • Fig. 7 shows graphs of the results of the tests carried out in the respective Examples.
  • (a) of Fig. 7 shows the result of the test in the case where a female standard foot mannequin wore foot covers having respective nonslip parts.
  • (b) of Fig. 7 shows the result of the test in the case where a female standard foot mannequin wore panty stockings and further wore, on the panty stockings, foot covers having respective nonslip parts.
  • (c) of Fig. 7 shows the result of the test in the case where a stockingless foot wore foot covers having respective nonslip parts.
  • the foot cover having the nonslip part 3a is referred to as Example 1
  • the foot cover having the nonslip part 3b is referred to as Example 2
  • the foot cover having the nonslip part 103a is referred to as Comparative Example 1
  • the foot cover having the 103b is referred to as Comparative Example 2
  • the foot cover having the nonslip part 103c is referred to as Comparative Example 3
  • the foot cover having the nonslip part 103d is referred to as Comparative Example 4.
  • a numeral value in parentheses in Table 1 is a value obtained by dividing tensility (N/mm 2 ) by an area (mm 2 ) of the nonslip part, and is an index indicative of a nonslip ability of individual nonslip part per unit area.
  • an average of tensility at a time when the foot got out of the foot cover of Comparative Example 1 was 0.51 ⁇ 0.03
  • an average of tensility at a time when the foot got out of the foot cover of Comparative Example 2 was 0.46 ⁇ 0.03
  • an average of tensility at a time when the foot got out of the foot cover of Comparative Example 3 was 0.57 ⁇ 0.02
  • an average of tensility at a time when the foot got out of the foot cover of Comparative Example 4 was 1.51 ⁇ 0.02.
  • an average of tensility at a time when the foot got out of the foot cover of Comparative Example 1 was 0.56 ⁇ 0.02
  • an average of tensility at a time when the foot got out of the foot cover of Comparative Example 2 was 0.60 ⁇ 0.01
  • an average of tensility at a time when the foot got out of the foot cover of Comparative Example 3 was 0.64 ⁇ 0.03
  • an average of tensility at a time when the foot got out of the foot cover of Comparative Example 4 was 1.08 ⁇ 0.03.
  • an average of tensility at a time when the foot got out of the foot cover of Comparative Example 1 was 0.38 ⁇ 0.01
  • an average of tensility at a time when the foot got out of the foot cover of Comparative Example 2 was 0.37 ⁇ 0.03
  • an average of tensility at a time when the foot got out of the foot cover of Comparative Example 3 was 0.42 ⁇ 0.01
  • an average of tensility at a time when the foot got out of the foot cover of Comparative Example 4 was 0.74 ⁇ 0.02.
  • the cloth of the heel part 24 expanded and contracted in a vertical direction or a horizontal direction.
  • the two vertical strip-shaped parts 32a and 32b of the nonslip part 103a were not connected with each other, so that the cloth of the heel part 24 expanded and contracted in a horizontal direction. Consequently, in the foot covers of Comparative Examples 1-4, the nonslip part was displaced due to expansion and contraction of the cloth of the heel part 24, so that the nonslip part could not yield a sufficient nonslip effect.
  • legwear of the present invention has a high nonslip effect.
  • Legwear of the present invention includes: a main body part including a sole part which covers a sole and a heel part which covers a heel, the main body part having elasticity; and a nonslip part provided inside of the heel part, the nonslip part having elasticity lower than that of a cloth of the heel part, the nonslip part including strip-shaped parts which prevent the cloth of the heel part from expanding and contracting in a vertical direction and a horizontal direction, where the vertical direction is a direction perpendicular to the sole part and the horizontal direction is a width direction of the sole part.
  • the cloth of the heel part is pulled in a vertical direction due to a bending and stretching motion of an ankle in a vertical direction, so that the main body part is displaced or a foot gets out of the main body. Furthermore, since a mechanism of walking includes not only a bending and stretching motion of an ankle in a vertical direction but also a motion of the ankle in a horizontal direction (extraversion direction or inversion direction), the cloth of the heel part is pulled in a horizontal direction, too, so that the main body part may be displaced or the foot gets out of the main body.
  • the nonslip part includes strip-shaped parts which prevent the cloth of the heel part from expanding and contracting in vertical and horizontal directions.
  • the nonslip part prevents the main body part from slipping by subduing, with use of the strip-shaped parts, expansion and contraction of the cloth of the heel part in vertical and horizontal directions.
  • the cloth of the heel part is subdued from expanding and contracting in ranges of vertical and horizontal directions in which the strip-shaped parts are provided. This can subdue the nonslip part from being displaced due to expansion and contraction of the cloth of the heel part which is caused by motions such as walking.
  • the nonslip part consists of the strip-shaped parts. This allows yielding a sufficient nonslip effect because the nonslip part is easy to fit a heel, and this also allows skin to be not sensitive to sweat etc.
  • legwear capable of suitably subduing the legwear from being displaced or a foot from being out of the legwear without decreasing comfort in wearing the legwear.
  • the legwear of the present invention is arranged such that the strip-shaped parts include: a first strip-shaped part which extends in a substantially horizontal direction; and two second strip-shaped parts each of which extends in a substantially vertical direction.
  • the first strip-shaped part can subdue the cloth of the heel part from expanding and contracting in a horizontal direction due to a motion of an ankle in a horizontal direction (extroversion direction or inversion direction), and the one or more second strip-shaped parts can subdue the cloth of the heel part from expanding and contracting in a vertical direction due to a bending and stretching motion of the ankle in a vertical direction.
  • the nonslip part can subdue the cloth of the heel part from expanding and contracting in vertical and horizontal directions.
  • the first strip-shaped part may extend in a direction having a slight angle with a horizontal direction.
  • “extend in a substantially vertical direction” indicates extending in a vertical direction and extending in a virtually vertical direction.
  • the one or more second strip-shaped parts may extend in a direction having a slight angle with a vertical direction.
  • the legwear of the present invention is arranged such that said one or more second strip-shaped parts are two second strip-shaped parts, and the two second strip-shaped parts are provided such that a calcaneus is sandwiched therebetween.
  • the legwear of the present invention is arranged such that the first strip-shaped part is provided across an Achilles' tendon, and the two strip-shaped parts extend from both ends of the first strip-shaped part toward the sole part.
  • the first strip-shaped part is provided above a portion of the heel part at which portion the cloth of the heel part is easy to move (portion of the heel part which portion corresponds to a center of a back surface of the calcaneus). Accordingly, it is possible to suitably subdue that portion from expanding and contracting in vertical and horizontal directions.
  • the legwear may be arranged such that the strip-shaped part includes a plurality of third strip-shaped parts which extend in respective directions, each direction being different from a substantially vertical direction and a substantially horizontal direction, and the plurality of third strip-shaped parts cross each other.
  • the strip-shaped part includes a plurality of third strip-shaped parts which extend in respective directions, each direction being different from a substantially vertical direction and a substantially horizontal direction, and the plurality of third strip-shaped parts cross each other. Also with the arrangement, it is possible to subdue the cloth of the heel part from expanding and contracting in ranges of vertical and horizontal directions in which the plurality of third strip-shaped parts are provided.
  • the legwear may be arranged such that the strip-shaped part includes a fourth strip-shaped part which extends in a curved manner.
  • the fourth strip-shaped part in such a manner that the fourth strip-shaped part surrounds a portion of the heel part at which portion the cloth of the heel part is easy to move (portion of the heel part which portion corresponds to a center of a back surface of the calcaneus), it is possible to effectively subdue the cloth of the heel part from expanding and contracting in vertical and horizontal directions.
  • the legwear of the present invention may be arranged such that the strip-shaped parts are provided so as to be continuous each other.
  • the strip-shaped parts are provided so as to be continuous each other, so that the strip-shaped parts are less likely to be partially displaced. This allows further effectively subduing the cloth of the heel part from expanding and contracting in vertical and horizontal directions.
  • the legwear of the present invention may be arranged such that the nonslip part is a sheet-like member obtained by applying a resin having a friction coefficient higher than that of cloth of the main body part to a base material.
  • the sheet-shaped nonslip part obtained by applying the resin to the base material is provided on the inside of the heel part, it is possible to effectively subdue the legwear from being displaced or a foot from being out of the legwear.
  • FIG. 8 are schematic views illustrating a configuration of the nonslip part 3 included in the legwear.
  • FIG. 8 is a conceptual view illustrating a virtual spherical triangle T in a sphere (heel) S.
  • (b) of Fig. 8 is a rear view illustrating the nonslip part 3.
  • (c) of Fig. 8 is a rear view illustrating another nonslip part 3.
  • the legwear is legwear made of elastic cloth, and includes the nonslip part 3 having lower elasticity and higher friction than the elastic cloth.
  • the nonslip part 3 may be a combination of narrow strip-shaped parts which pass through apexes P1, P2, and P3 (or extend from the apexes P1, P2, and P3) of the virtual spherical triangle T at the heel when a user wears the legwear.
  • the legwear may be arranged such that one of the apexes of the virtual spherical triangle T (apex P1 in (b) of Fig. 8 ) is provided at a position corresponding to a calcaneus.
  • the legwear may be arranged such that one of the apexes of the virtual spherical triangle T (apex P1 in (b) of Fig. 8 ) is provided so that a part of the narrow strip-shaped parts is positioned along Achilles' tendon.
  • the legwear of the present invention may be arranged such that the narrow strip-shaped part passes through a point P4 which is positioned outside the virtual spherical triangle T.
  • the nonslip part 3 may be a combination of narrow strip-shaped parts which pass through the apexes P1, P2, and P3 (or extend from the apexes P1, P2, and P3) of the virtual spherical triangle T.
  • the nonslip part 3 By three-dimensionally covering a heel with the nonslip part 3 as above, it is possible to suitably subdue the nonslip part 3 from being displaced due to expansion and contraction of the cloth of the heel part 24 which is caused by motions such as walking.
  • legwear capable of suitably subduing the legwear from being displaced or a foot from being out of the legwear without decreasing comfort in wearing the legwear.
  • the present invention is applicable to various types of legwear including socks.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Socks And Pantyhose (AREA)

Claims (3)

  1. Article chaussant (1) comprenant:
    un élément corps principal (2) incluant un élément semelle (21) qui couvre un élément semelle et talon (24), l'élément corps principal (2) étant doté d'élasticité ; et
    un élément antidérapant (3) prévu à l'intérieur de l'élément talon (24), l'élément antidérapant (3) ayant une élasticité inférieure à celle du tissu de l'élément talon (24),
    l'élément antidérapant (3) incluant des éléments en forme de bandes qui empêchent le tissu de l'élément talon (24) de se dilater et de se contracter dans un sens vertical et un sens horizontal,
    le sens vertical étant un sens perpendiculaire à l'élément semelle (21) et le sens horizontal étant un sens de la largeur de l'élément semelle (21), les éléments en forme de bandes incluant :
    un premier élément en forme de bande (31,31a,31b) qui s'étend dans un sens sensiblement horizontal ; et
    un ou plusieurs seconds éléments en forme de bandes (32a, 32b, 32c, 32d) dont chacun s'étend dans un sens sensiblement vertical,
    caractérisé en ce que lesdits un ou plusieurs seconds éléments en forme de bandes (32a, 32b, 32c, 32d) sont deux seconds éléments en forme de bandes,
    les deux seconds éléments en forme de bandes (32a, 32b, 32c, 32d) sont prévus de manière à ce qu'un calcanéum soit pris en sandwich entre eux,
    et en ce que le premier élément en forme de bande (31,31a,31b) est prévu en travers d'un tendon d'Achille, et
    que les deux éléments en forme de bandes (32a, 32b, 32c, 32d) s'étendent depuis les deux extrémités de la première pièce en forme de bande vers l'élément semelle (21).
  2. Élément chaussant (1) selon la revendication 1, dans lequel les éléments en forme de bandes sont prévus de manière à être continus les uns par rapport aux autres.
  3. Élément chaussant selon l'une quelconque des revendications 1 ou 2, dans lequel l'élément antidérapant (3) est un élément en forme de feuille obtenu en appliquant une résine ayant un coefficient de friction supérieur à celui du tissu de l'élément corps principal (2) sur un matériau de base.
EP16153218.9A 2015-02-02 2016-01-28 Article chaussant Active EP3053460B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20164986.0A EP3689166A1 (fr) 2015-02-02 2016-01-28 Article chaussant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2015018807A JP6449036B2 (ja) 2015-02-02 2015-02-02 レッグウェア

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP20164986.0A Division EP3689166A1 (fr) 2015-02-02 2016-01-28 Article chaussant
EP20164986.0A Division-Into EP3689166A1 (fr) 2015-02-02 2016-01-28 Article chaussant

Publications (2)

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EP3053460A1 EP3053460A1 (fr) 2016-08-10
EP3053460B1 true EP3053460B1 (fr) 2020-11-18

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EP16153218.9A Active EP3053460B1 (fr) 2015-02-02 2016-01-28 Article chaussant
EP20164986.0A Pending EP3689166A1 (fr) 2015-02-02 2016-01-28 Article chaussant

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EP20164986.0A Pending EP3689166A1 (fr) 2015-02-02 2016-01-28 Article chaussant

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US (1) US20160219941A1 (fr)
EP (2) EP3053460B1 (fr)
JP (1) JP6449036B2 (fr)
CN (2) CN112273741B (fr)

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NL2013644B1 (nl) * 2014-10-17 2016-10-04 Steps Holding Bv Kousenvoet alsmede werkwijze voor het vervaardigen van een dergelijke kousenvoet.
JP6181838B1 (ja) * 2016-11-02 2017-08-16 浙江鵬飛針織有限公司Ｚｈｅｊｉａｎｇ Ｆｌｙｅａｇｌｅ Ｋｎｉｔｔｉｎｇ Ｃｏ．， Ｌｔｄ． 脱落防止フットカバーおよびその製造方法
CN206213294U (zh) * 2016-11-17 2017-06-06 诸暨市大唐石燕针织厂 一种防滑脱的隐形袜
USD838468S1 (en) 2017-05-15 2019-01-22 Okamoto Corporation Sock with nonslip parts
USD855305S1 (en) 2017-12-04 2019-08-06 Okamoto Corporation Sock with nonslip part
JP2020169406A (ja) * 2019-04-02 2020-10-15 岡本株式会社 レッグウェア
KR102094171B1 (ko) * 2019-07-25 2020-03-27 김호형 실리콘 밴드부를 갖는 덧버선
JP7288668B2 (ja) * 2019-08-19 2023-06-08 岡本株式会社 レッグウェア
JP7335594B2 (ja) * 2019-08-20 2023-08-30 岡本株式会社 フットカバー
JP2021105229A (ja) * 2019-12-26 2021-07-26 三菱ケミカル株式会社 滑り止め加工された靴下及びその製造方法
JP7475653B2 (ja) 2020-06-10 2024-04-30 岡本株式会社 フットカバー
CN113180895B (zh) * 2021-04-25 2022-08-23 国家康复辅具研究中心 假肢内衬套性能检测装置
US20240188648A1 (en) * 2022-12-12 2024-06-13 Joseph Hamad Sock with internal gripping surface

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US20140223630A1 (en) * 2013-02-12 2014-08-14 Randall L. Johnson Wearable article with correspondingly aligned interior and exterior grip material

Also Published As

Publication number Publication date
US20160219941A1 (en) 2016-08-04
JP6449036B2 (ja) 2019-01-09
EP3689166A1 (fr) 2020-08-05
CN105831822B (zh) 2020-12-04
CN112273741B (zh) 2022-10-28
CN112273741A (zh) 2021-01-29
CN105831822A (zh) 2016-08-10
JP2016141904A (ja) 2016-08-08
EP3053460A1 (fr) 2016-08-10

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