JP2019218648A - Work glove - Google Patents

Abstract

To provide a glove in which the hem part can be prevented from slipping off toward the wrist during operation while facilitation of putting on and taking off is maintained.SOLUTION: In the glove of the present invention, in a plane view from the fingertip direction, assuming that an angle formed by a line connecting between the center of the second finger root and of the fifth finger root and a line connecting between the center of the first finger root and of the second finger root is not less than 60° and not more than 120°, and assuming that an interval between the third finger tip and the first finger root in the axial direction of the third finger is D; in the wrist region where a distance in the axial direction of the third finger to the hem part side with the third fingertip as a reference point is in a range not less than 1.3×D and not more than 1.8×D, a rate (b)/(a) of the peripheral length (a) at the narrowest position with the minimum peripheral length and the peripheral length (b) at the forearm end position at which the distance in the axial direction becomes 1.6 times of the distance in the axial direction at the narrowest position is not less than 1.10 and not more than 1.32; and the average thickness in the region between the narrowest position and the forearm end position is not less than 0.20 mm and not more than 0.80 mm.SELECTED DRAWING: Figure 1

Description

  The present invention relates to gloves.

  As a glove used for operations such as cooking, cleaning, and washing, a glove having a hem covering a wrist and a forearm is known (for example, see Japanese Patent Application Laid-Open No. H10-72713). In the glove, the sleeve prevents the sleeve of the wearer's clothes from getting wet, for example.

  In such a conventional glove, it is easy to put on and take off, and even when wearing long-sleeved clothes, it is possible to cover the cuffs of the wearer's clothes reliably from the wrist to the opening. It is formed so as to have a shape bulging outward in a parabolic shape. Note that this shape is determined mainly on the assumption that the work is performed by putting the sleeve of the outer jacket in the hem of the glove in the winter season when gloves are often used.

  Operations such as cooking, cleaning, and washing are usually performed in a posture in which the wrist side is lower than the arm portion. When performing this work using the above-mentioned conventional gloves, at the time of wearing, although the cuff portion of the wearer's clothes is surely covered, as the work is continued, the hem portion slips down in the wrist direction. . For this reason, in order to perform the work so as not to wet the cuff portion, it is necessary to frequently return the displacement of the sleeve portion during the work.

JP-A-10-72713

  The present invention has been made in view of these circumstances, and an object of the present invention is to provide a glove that can prevent a hem from slipping in a wrist direction during work while maintaining ease of attachment and detachment.

  The present inventors have conducted intensive studies on the cause of the glove hem slipping in the wrist direction during work, and as a result, repeatedly holding and opening the hand in such a position that the wrist side is lower than the arm part. And the fact that the hem of the glove moves due to the expansion and contraction of the muscles of the arm. During the work, the present inventors have a posture in which the wrist side is lower than the arm part. It was concluded that the hem would shift in the wrist direction as a result.

  Furthermore, the present inventors have conducted intensive studies on the suppression of this hem slippage, and found that there is a glove shape that can suppress the hem slippage without reducing the ease of attachment and detachment. The present invention has been completed.

  That is, the invention made in order to solve the above-mentioned problem is characterized in that a bag-shaped body portion covering the palm and back of the hand of the wearer and the body portion covering the first to fifth fingers of the wearer, respectively. A rubber having an extended bottomed cylindrical first to fifth finger portions and a cylindrical hem portion extending in a direction opposite to the first to fifth finger portions; Or a glove containing resin as a main component, and in a plan view from the finger tip direction, a straight line connecting the centers of the base ends of the second finger portion and the fifth finger portion, and the first finger portion and the straight line. The angle formed by a straight line connecting the centers of the bases of the second finger with the center of the third finger is 60 degrees or more and 120 degrees or less, and the axis of the third finger between the tip of the third finger and the base of the first finger. When the interval in the direction is D, the axial distance of the third finger portion to the hem side from the tip of the third finger portion is 1.3 × D or more and 1.8 × D or less. And a forearm end where the axial distance is 1.6 times the axial distance of the narrowest position at the narrowest position where the circumferential length is minimized in the wrist area in the range of The ratio b / a to the perimeter b at the position is 1.10 or more and 1.32 or less, and the average thickness of the region between the finest position and the forearm end position is 0.20 mm or more and 0.80 mm or less. It is.

  The present inventors cite, as one of the starting points at which slipping in the wrist direction occurs during work at the hem of the glove, a pull wrinkle or a creasing that occurs near the wrist on the back side of the hand when the thumb is bent. We know that we can be. The glove connects a straight line connecting the centers of the base ends of the second and fifth finger parts and a center of the base ends of the first and second finger parts in a plan view from the finger tip direction. Since the angle between the straight line and the straight line is equal to or less than the upper limit, particularly when the first finger is bent, a wrinkle or the like hardly occurs near the wrist on the back side of the hand, and it is possible to prevent the hem from slipping off.

  In addition, the present inventors have learned that the slip-off of the hem is likely to occur when the static friction force between the inner surface of the hem of the glove and the cuff of the wearer is insufficient. In the glove, the ratio b / a of the perimeter a at the narrowest position to the perimeter b at the forearm end position is equal to or less than the upper limit, so that the static between the inner surface of the hem of the glove and the cuff of the wearer. It is easy to secure the frictional force and it is possible to prevent the hem from slipping off.

  Furthermore, the present inventors have learned that when the skirt portion is easily bent, the skirt portion is likely to shift and fall. Since the glove has an average thickness in the region between the finest position and the forearm end position that is equal to or greater than the lower limit, the glove has an appropriate rigidity. In addition, since the ratio b / a is equal to or less than the upper limit, even when the glove is operated with the wrist side facing downward, the glove is not affected by gravity applied to the hem and displacement of clothes put in the hem. It is unlikely that wrinkles or bends in the hem, which is the starting point of the slip-off, will occur. Due to the appropriate degree of softness and the range of the ratio b / a, the glove is less likely to bend, which is likely to contribute to the occurrence of the displacement of the skirt, and can suppress the displacement of the skirt.

  In addition, the glove has a straight line connecting the centers of the bases of the second and fifth fingers and the center of the bases of the first and second fingers in plan view from the finger tip direction. And the ratio b / a of the perimeter a at the narrowest position to the perimeter b at the forearm end position is equal to or greater than the lower limit, and the angle between the narrowest position and the forearm end position is not less than the lower limit. Since the average thickness of the region between them is not more than the above upper limit, it is possible to suppress a decrease in ease of attachment and detachment.

  The rigidity of the skirt is preferably 20 mm or more. By setting the rigidity to be equal to or more than the lower limit as described above, it is possible to further suppress the bending that easily contributes to the occurrence of the displacement of the skirt, so that the effect of suppressing the displacement of the skirt can be improved.

When the axial distance between the finest position and the forearm end position is L1 [mm] and L2 [mm], a peripheral length y [mm] at a position where the axial distance is x [mm] ] Should satisfy the following expression (1) in the range of L1 <x <L2. By satisfying the following expression (1) in this manner, it is possible to easily secure the static friction force between the inner surface of the hem of the glove and the cuff of the wearer, so that the effect of preventing the hem from slipping off can be improved. Also, even when working with the wrist side downward, wrinkles and bending to the hem, which is a starting point of slippage from gravity applied to the hem and slippage of clothes put in the hem, are unlikely to occur. As a result, it is possible to prevent the hem from slipping off.
y ≦ a + (ba) × (x−L1) / (L2−L1) +4 (1)

  In the range of L1 <x <L2, the perimeter y may gradually increase with the increase of the axial distance x. The region from the wrist portion to the arm portion of the wearer, which contacts the region from the finest position of the glove to the distal end position of the forearm when worn, has a constricted shape. According to the above formula (1), and the peripheral length y gradually increases with the increase of the axial distance x, the area from the finest position of the glove to the distal end position of the forearm is changed to the wrist portion of the wearer. Along the region from the arm to the arm. For this reason, the static friction force between the inner surface of the hem of the glove and the cuff of the wearer can be further easily ensured, and the effect of preventing the hem from slipping off can be improved.

It is preferable that the peripheral length y satisfies the following expression (2) at the opening of the skirt. The static frictional force between the inner surface of the glove hem and the cuff of the wearer in the region of x ≧ L2 is unlikely to contribute to the prevention of the hem from slipping off. Therefore, in the opening of the skirt, the perimeter y satisfies the following expression (2), that is, by making the opening wider, it is possible to improve the detachability of the glove while preventing the skirt from slipping off. .
y> a + (ba) × (x−L1) / (L2−L1) (2)

  The ratio a / D of the peripheral length a at the narrowest position to the interval D is preferably 1.50 or more and 1.85 or less. By setting the a / D within the above range, it is possible to improve the effect of preventing the hem from slipping off while maintaining the detachability of the glove.

  Here, the “main component” is a component having the largest content, for example, a component having a content of 50% by mass or more. In some cases, for example, a plasticizer may be included in a resin to adjust its characteristics. In such a case, the resin content includes a plasticizer or the like to adjust its characteristics. Further, the “average thickness” is obtained by using a constant-pressure thickness measuring instrument (for example, “PG-20” manufactured by TECLOCK Co., Ltd., measuring element diameter: 5 mm, measuring force: 44 gf) based on JIS-K6250: 2006 to determine It refers to the average of the values obtained by measuring any 10 points, and when the glove contains a lubricant, flocked, etc., it refers to the thickness including those. The “bending degree” indicates a value obtained by a 45 ° cantilever method of JIS-L1096: 2010.

  The “proximal end of the finger” refers to a portion of the virtual plane that passes through the crotch of the finger and the adjacent finger and intersects perpendicularly with the axis of the finger. In the second to fourth finger portions, there are two adjacent finger portions, and thus two finger portions exist. In this case, the finger portion closer to the tip of the corresponding finger portion is used. Shall point to.

  The “perimeter at the position where the axial distance of the third finger from the tip of the third finger to the hem side is x” is the third finger on the axis passing through the tip of the third finger. It refers to the length of the closed curve in the virtual plane that minimizes the length of the closed curve formed by the line of intersection with the glove among the virtual planes passing through the point where the distance from the tip to the hem side is x.

  As described above, the glove of the present invention can prevent the hem from slipping in the wrist direction during work while maintaining the ease of attachment and detachment.

It is the schematic plan view which looked at the glove concerning one embodiment of the present invention from the palm side. It is the typical top view which looked at the glove of FIG. 1 from the finger-tip direction.

  Hereinafter, a glove according to an embodiment of the present invention will be described in detail.

<Gloves>
The glove 1 shown in FIGS. 1 and 2 covers a main body portion 10 formed in a bag shape so as to cover the palm of the wearer and the back of the hand, and the first finger (thumb) to the fifth finger (little finger) of the wearer, respectively. The first to fifth finger portions 11 to 15 extending from the main body 10 and having a bottom and a cylindrical shape extending to the opposite direction to the first to fifth finger portions 11 to 15. And a skirt 16.

  The glove 1 has rubber or resin as a main component. Examples of the rubber include natural rubber, nitrile butadiene rubber, chloroprene rubber, isoprene rubber, fluorine rubber, silicone rubber, and modified products thereof. Examples of the resin include vinyl chloride resin, polyurethane, acrylic resin, and modified products thereof. The rubber or the resin may be used alone or in combination of two or more.

  The glove 1 may include additives such as a known vulcanizing agent, a vulcanization accelerator, a metal oxide, a plasticizer, a stabilizer, a pigment, an antioxidant, and an antibacterial agent, in addition to the above main components. . With such additives, the strength, flexibility and antibacterial property of the glove 1 can be improved, the anti-slip performance is improved, and the glove 1 can be made excellent in grip force.

  The glove 1 may be provided with a lubricant on the inner surface. By arranging the lubricant in this way, tack on the inner surface of the glove 1 can be prevented, and the detachability can be improved. In addition, as a method of distributing the lubricant, a known method can be used.

  Examples of the lubricant include a powder such as corn starch, a slip imparting agent such as silicone, and a resin thin film having high hardness among acrylic resin and polyurethane. Note that the lubricant may contain an antibacterial agent, a humectant, and the like for preventing roughening of hands.

  In addition, the glove 1 may be provided with flocked inner surfaces. By implanting the hair in this way, it is possible to improve the detachability and reduce the stuffiness inside the glove 1. In addition, a known method can be used as a method of performing hair transplantation.

  As the fibers used for the flocking, short fibers having a fineness of 0.1 dtex to 2.0 dtex and a length of 0.1 mm to 2.0 mm are preferred. Examples of the fibers include known fibers, for example, natural fibers such as cotton, wool, and silk; chemical fibers such as rayon, cupra, and acetate; and synthetic fibers such as polyethylene, polypropylene, polyester, and nylon. The fibers are preferably fixed to the inner surface of the glove 1 using a known adhesive such as acrylic resin, polyurethane, or natural rubber.

  Further, the inner surface of the glove 1 may be subjected to a lubrication treatment. As such a lubrication treatment, a known lubrication treatment, for example, a chlorination treatment can be mentioned.

  In a plan view from the finger tip direction, a straight line connecting the centers of the base end 12b of the second finger part 12 and the base end 15b of the fifth finger part 15, the base end 11b of the first finger part 11, and the second finger part The lower limit of the angle (θ in FIG. 2) formed between the base 12 and the straight line connecting the centers of the base ends 12b is 60 degrees, and more preferably 70 degrees. On the other hand, the upper limit of the angle θ is 120 degrees, and more preferably 110 degrees. When the angle θ is less than the lower limit, when worn, the thumb may be too close to the palm side to be cramped, and it may be difficult to open the palm. That is, there is a possibility that the attachment / detachability of the glove 1 is deteriorated and the feeling of wearing is reduced. Conversely, if the angle θ exceeds the above upper limit, the thumb may be difficult to bend to the palm side, and when the thumb is bent to the palm side, pulling wrinkles and creases may easily occur near the wrist on the back side of the hand. . The wrinkles may cause the skirt portion 16 to bend toward the main body portion 10 and be easily shifted and dropped.

  The center of the base of the third finger 13 and the center of the base of the fourth finger 14 are the base 12b of the second finger 12 and the base of the fifth finger 15 in plan view from the finger tip direction. It is preferable that it is near a straight line connecting the centers of 15b. By arranging the centers of the base ends of the third finger part 13 and the fourth finger part 14 in the vicinity of the straight line as described above, the feeling of wearing the glove 1 is improved. Here, “near a straight line” refers to a position within a distance of 10 mm from the straight line.

  As shown in FIG. 1, the distance between the tip 13a of the third finger 13 and the base 11b of the first finger 11 in the direction of the axis M3 of the third finger 13 is D, and the base point is the tip 13a of the third finger 13. The distance in the direction of the axis M3 of the third finger portion 13 to the skirt portion 16 side (hereinafter, may be simply referred to as the “distance in the direction of the axis M3”) is 1.3 × D or more and 1.8 × D or less. Is a wrist region R. This wrist region R usually extends from the main body 10 to the skirt 16.

  In addition, as shown in FIG. 1, a position where the circumference is minimum in the wrist region R is defined as a finest position A. The first finger portion 11 to the fifth finger portion 15 side of the narrowest position A are the main body portion 10, and the opposite side is the hem portion 16. The glove is usually configured such that the wrist of the wearer is located at the finest position A. When the position where the circumference is minimum in the wrist region R has a width, the position closest to the finger portion among the positions where the circumference is minimum is the finest position A.

  Further, as shown in FIG. 1, the distance L2 in the direction of the axis M3 of the third finger portion 13 from the tip end 13a of the third finger portion to the side of the hem 16 is 1 with respect to the distance L1 in the direction of the axis M3 of the finest position A. The position that becomes .6 times is referred to as forearm end position B. In the glove 1, the forearm end position B is located at the skirt 16. That is, the length of the glove 1 in the direction of the axis M3 is larger than the distance L2. In addition, the present inventors assume that the work between the narrowest position A and the forearm end position B (forearm region S) is such that the wrist side is lower than the arm and the weight of the hem 16 is reduced. This is a part that is susceptible to the effects of wrinkles, and is a part that is liable to be stretched and wrinkled by bending and stretching the wrist. We know that it is a part that easily occurs.

  The lower limit of the average thickness of the forearm region S of the glove 1 is 0.20 mm, more preferably 0.25 mm. On the other hand, the upper limit of the average thickness of the forearm region S is 0.80 mm, more preferably 0.55 mm. If the average thickness of the forearm region S is less than the lower limit, the forearm region S becomes too soft and easily bends, and the skirt portion 16 may be easily shifted and dropped. Conversely, if the average thickness of the forearm region S exceeds the above upper limit, the flexibility of the glove 1 may be insufficient, and the glove 1 may be difficult to attach and detach, and the workability when worn may be reduced. .

  The average thickness of the first finger portion 11 to the fifth finger portion 15 other than the forearm region S and the palm portion of the main body 10 is not particularly limited, but is equal to or greater than the average thickness of the forearm region S. Is preferred. For example, in the case where durability of the finger portion is required as a function of the glove 1, the thickness of the first to fifth finger portions 11 to 15 can be made larger than the forearm region S.

  The lower limit of the ratio b / a of the perimeter a at the finest position A to the perimeter b at the forearm end position B is 1.10, more preferably 1.12, and even more preferably 1.14. On the other hand, the upper limit of the ratio b / a is 1.32, preferably 1.30, and more preferably 1.28. The ratio b / a is less than the lower limit when the peripheral length a at the narrowest position A is too large or when the peripheral length b at the forearm end position B is too small. If the perimeter a at the narrowest position A is too large, the inner surface of the hem 16 of the glove 1 and the wearer's cuff will not sufficiently contact each other, so that the static friction force will be insufficient and the hem 16 will slip off. May easily occur. If the perimeter b at the forearm end position B is too small, the skirt portion 16 of the glove 1 becomes cramped, and the detachability of the glove 1 may be reduced. Time work may be difficult. Conversely, the ratio b / a exceeds the upper limit when the peripheral length a at the narrowest position A is too small or when the peripheral length b at the forearm end position B is too large. If the perimeter a at the narrowest position A is too small, the wearer's hand becomes difficult to pass through the finest position A, and the detachability of the glove 1 may be reduced. If the peripheral length b at the forearm end position B is too large, the skirt 16 of the glove 1 is greatly expanded, so that the skirt 16 is likely to bend and the skirt 16 may be easily shifted and dropped. Also, in any case, when the wrist side is turned downward, wrinkles or bending to the hem 16 which is a starting point of the gravity applied to the hem 16 or the slippage of the clothes put in the hem 16 from the slip. Is likely to occur, and the skirt 16 may be easily shifted and dropped.

  The lower limit of the ratio a / D between the circumference a at the finest position A and the distance D between the distal end 13a of the third finger portion 13 and the base end 11b of the first finger portion 11 is preferably 1.50, 1.55 is more preferred, and 1.60 is even more preferred. On the other hand, the upper limit of the ratio a / D is preferably 1.85, more preferably 1.80, and still more preferably 1.75. The interval D corresponds to the size of the glove 1, that is, the size of the wearer's hand. When the ratio a / D is less than the lower limit, the circumference a at the narrowest position A is too small compared to the size of the wearer's hand. Therefore, it is difficult for the wearer's hand to pass through the narrowest position A, and the detachability of the glove 1 may be reduced. Conversely, if the ratio a / D exceeds the upper limit, the peripheral length a at the narrowest position A is too large compared to the size of the wearer's hand. Therefore, since the inner surface of the skirt 16 of the glove 1 and the cuff of the wearer do not sufficiently contact with each other, the static friction force is insufficient, and the skirt 16 may be easily displaced and dropped.

Assuming that the distance in the direction of the axis M3 between the finest position A and the distal end position B of the forearm is L1 [mm] and L2 [mm], respectively, the peripheral length y at the position where the distance in the direction of the axis M3 is x [mm] [Mm] preferably satisfies the following expression (1) in the range of L1 <x <L2 (forearm region S). By satisfying the following expression (1), it is possible to easily secure the static friction force between the inner surface of the hem 16 of the glove 1 and the cuff of the wearer, so that the slip of the hem 16 is more reliably suppressed. it can. It is more preferable that the perimeter y [mm] satisfies the following formula (3) in the forearm region S, more preferably satisfies the following formula (4), and particularly preferably satisfies the following formula (5). .
y ≦ a + (ba) × (x−L1) / (L2−L1) +4 (1)
y ≦ a + (ba) × (x−L1) / (L2−L1) +3 (3)
y ≦ a + (ba) × (x−L1) / (L2−L1) +2 (4)
y ≦ a + (ba) × (x−L1) / (L2−L1) (5)

It is preferable that the perimeter y [mm] satisfies the following expression (6) in the forearm region S. By satisfying the following expression (6), it is easy to secure the detachability and workability of the glove 1. It is more preferable that the perimeter y [mm] satisfies the following expression (7) in the forearm region S.
y ≧ a + (ba) × (x−L1) / (L2−L1) −10 (6)
y ≧ a + (ba) × (x−L1) / (L2−L1) −6 (7)

  In the range of L1 <x <L2, it is preferable that the perimeter y gradually increases as the distance x in the direction of the axis M3 increases. Here, the forearm of a person usually has a shape in which the muscles rise greatly from near the center of the forearm to the elbow. That is, the region from the wrist portion to the arm portion of the wearer in contact with the region from the finest position A to the forearm end position B of the glove 1 when worn has a constricted shape. Therefore, according to the formula (1), and by gradually increasing the perimeter y with the increase in the distance x in the direction of the axis M3, the region from the finest position A of the glove 1 to the forearm end position B is increased. This makes it easy to follow the region from the wrist to the arm of the wearer. For this reason, the static friction force between the inner surface of the hem 16 of the glove 1 and the cuff of the wearer can be further easily ensured, and the effect of preventing the hem 16 from slipping off can be improved.

Here, F in the following equation (8) obtained by removing the constant term from the right side of the above equation (1) means a case where the perimeter increases linearly in the forearm region S. In this case, as shown by a broken line F in the forearm region S in FIG. 1, the skirt portion 16 extends linearly in the forearm region S in a side view. On the other hand, in the glove 1, it is preferable that the hem portion 16 in the forearm region S has a shape bulging inward. That is, the difference (Fy) between the circumference y and the F expressed by the following equation (8) is a “upwardly convex function” having one maximum value in the range of L1 <x <L2. Is preferred. The present inventors have found that the slip-off occurs when (Fy) is convex downward, and the larger the perimeter length of the forearm region S in the increasing direction of the distance x (from the tip of the finger to the hem), the larger the spread. It is known that, if there is a portion where the spread is particularly large, it is not possible to sufficiently withstand the displacement due to gravity, and the skirt 16 is likely to bend. On the other hand, as described above, by forming the forearm region S such that the difference (F−y) is a “convex upward function”, a portion that specifically increases can be eliminated, and the hem portion 16 The effect of suppressing slippage can be improved. In addition, when it is assumed that the glove 1 is worn with bare hands, especially when the outerwear is short-sleeved or when the arm is rolled, the effect of improving the fit to the forearm is enhanced.
F = a + (ba) × (x−L1) / (L2−L1) (8)

  The lower limit of the rigidity of the skirt 16 is preferably 20 mm, more preferably 25 mm. On the other hand, the upper limit of the above softness is preferably 65 mm, more preferably 55 mm, and even more preferably 50 mm. When the bending resistance is less than the lower limit, the glove 1 follows the movement of the wrist of the wearer, and the gravity added to the hem 16 when the wrist of the glove 1 is turned downward, The wrinkles and bending of the skirt 16 are likely to occur due to the displacement of the clothes put in the skirt 16 and the like, and the skirt 16 may be easily shifted and dropped. Conversely, when the above softness exceeds the above upper limit, the workability may decrease, or the degree of accumulation of fatigue of the wearer during work may increase.

  Here, the bending resistance can be measured by the 45 ° cantilever method described in JIS-L1096: 2010. The measurement by this method is performed as follows. (1) A test piece having a width of 20 mm and a length of 150 mm is prepared from the narrowest position A in the terminal direction of the skirt 16 (in the direction of the opening 16 c of the skirt 16), and a smooth surface having a 45 ° slope at one end is prepared. The short side of the test piece is placed on a horizontal table so that the surface corresponding to the inner surface of the glove is in contact with the horizontal table and the short side of the test piece is aligned with the scale base line. (2) While holding the surface of the test piece with a non-adhesive plate of 20 mm × 150 mm, that is, the same size as the test piece, slide the test piece in a slope direction at a speed of about 2 mm / sec. The scale (moving distance) (mm) when the center point of one end of the piece contacts the slope is read. (3) A total of five test pieces were prepared, one from each of five gloves, and the moving distance was measured for each. The arithmetic average of the results was used as the bending resistance. When it is difficult to cut out a 150 mm long test piece from a glove, the same result can be obtained by cutting out a test piece as large as possible with a width of 20 mm.

The lower limit of the flexural rigidity of the skirt 16, preferably 0.02gf · ^cm 2 / ^cm, more preferably 0.03gf · ^cm 2 / ^cm. On the other hand, the upper limit of the flexural rigidity, preferably 0.38gf · ^cm 2 / ^cm, more preferably 0.34gf · ^cm 2 / ^cm. The lower the bending rigidity, the lower the load on hand movements and the easier the precision work becomes, but if the bending rigidity is less than the lower limit, wrinkles and bending are likely to occur in the hem portion 16, There is a possibility that the part 16 may be easily shifted. Conversely, if the bending stiffness exceeds the upper limit, the workability may decrease or the degree of accumulation of fatigue of the wearer during work may increase.

Here, the bending rigidity can be calculated by a pure bending test. Specifically, the bending rigidity can be measured by a known pure bending tester (for example, KES-FB2 manufactured by Kato Tech Co., Ltd.). When the maximum curvature is K = + / − 2.5 cm ⁻¹ , the curvature is 0. Calculated from the values of 0.5 and 1.5 and -0.5 and -1.5. As a test piece, a piece cut out from a portion of the skirt 16 having no wrinkles by 5 cm × 5 cm is used. In order to measure the bending stiffness of the bending received in the direction of the axis M3, the test piece is set so that the circumferential direction of the glove is sandwiched between mounting jigs, and a pure bending test is performed. A total of five test specimens are prepared from five gloves, one for each, and the measurement results are arithmetically averaged to obtain bending stiffness.

  The softness and bending rigidity of the first to fifth finger portions 11 to 15 are not particularly limited. The softness and bending rigidity are substantially proportional to the thickness of the skirt portion 16 and the first to fifth finger portions 11 to 15. Therefore, the bending stiffness and bending stiffness of the first to fifth finger portions 11 to 15 can be estimated from the bending stiffness and bending stiffness of the skirt portion 16. The softness and bending rigidity of the first finger portion 11 to the fifth finger portion 15 estimated from this thickness may be equal to or greater than the softness and bending rigidity of the hem portion 16. Also, although the rigidity and bending rigidity of the main body 10 are not particularly limited, they are equal to or higher than the rigidity and bending rigidity of the hem 16 like the first finger 11 to the fifth finger 15. Good to do.

The perimeter y may satisfy the following expression (2) at the opening 16 c of the skirt 16. In other words, the opening 16c is formed so that the circumference is larger than the circumference when the circumference increases linearly as shown in the above equation (8). The static frictional force between the inner surface of the skirt 16 of the glove 1 and the cuff of the wearer in the region of x ≧ L2 is unlikely to contribute to preventing the skirt 16 from slipping off. Therefore, in the opening 16c of the hem 16, the above-mentioned perimeter y satisfies the following expression (2), that is, by making the opening 16c wider, it is possible to prevent the glove 1 from being detached while preventing the hem 16 from slipping off. Performance can be improved.
y> a + (ba) × (x−L1) / (L2−L1) (2)

  Since the glove 1 can prevent the hem 16 from slipping off, the overall length of the glove can be increased. By increasing the overall length of the glove, the effect of preventing water from entering the glove 1 can be enhanced. Where a general glove has a total length of 30 cm or more and 32 cm or less, the total length of the glove 1 can be 33 cm or more. The upper limit of the overall length of the glove 1 is not particularly limited, but if the length exceeds the position of the elbow, the workability may be reduced.

<Manufacturing method of gloves>
Next, a method for manufacturing the glove 1 will be outlined, but the method for manufacturing the glove 1 is not limited thereto.

[First manufacturing method]
The glove 1 can be manufactured by a glove manufacturing method including a dipping step and a heat treatment step.

(Immersion process)
In the immersion step, a ceramic or metal hand mold is immersed in the resin material and pulled up. As the resin raw material, a raw material in which a resin that is a main component of the glove 1 is blended is used.

(Heat treatment step)
In the heat treatment step, the resin film formed on the surface of the hand mold in the immersion step is solidified. Specifically, the glove body is formed by heating the resin film formed by immersion in the resin raw material and solidifying it to such an extent that the fluidity is lost, and then heating until the required physical properties are secured. After that, the glove body formed of the resin film is removed from the hand mold while turning over, thereby obtaining the glove 1. In addition, since the glove body is removed from the hand mold while turning over, the surface of the glove body being manufactured becomes the inner surface of the glove 1.

[Second manufacturing method]
Alternatively, the glove 1 can be manufactured by a glove manufacturing method including a first immersion step, a second immersion step, and a heat treatment step.

(First immersion step)
In the first immersion step, a ceramic or metal hand mold is immersed in the coagulant. Specifically, in the first immersion step, the hand mold is immersed in the coagulant solution, pulled up, and then the solvent of the coagulant solution is evaporated.

  As the coagulant solution, known ones, for example, polyvalent metal salts such as calcium nitrate, barium chloride and calcium chloride, and methanol solutions and aqueous solutions containing organic acids such as acetic acid and citric acid can be used. Especially, it is preferable to contain a polyvalent metal salt. By including a polyvalent metal salt in the coagulant solution, it is possible to easily control the amount and thickness of the latex material to be attached to the hand mold.

(Second immersion step)
In the second immersion step, the hand mold is immersed in the latex raw material. Specifically, in the second immersion step, the hand mold after the first immersion step is immersed in the latex material and pulled up.

  As the latex raw material, a raw material in which rubber or resin which is a main component of the glove 1 is blended is used.

(Heat treatment step)
In the heat treatment step, the latex film formed on the surface of the hand mold in the second immersion step is dried. Specifically, after evaporating the water content of the latex film formed by immersion in the latex raw material, a glove body is formed in which the cross-linking reaction is promoted to ensure necessary physical properties. Thereafter, the glove body formed by the latex coating is removed from the hand mold while turning over, thereby obtaining the glove 1.

  In both the first manufacturing method and the second manufacturing method, a high-hardness thin film such as an acrylic resin or polyurethane is laminated as a lubricant on the film whose surface has no fluidity during the heat treatment process, or an adhesive is used. After application, the pile may be planted or an adhesive mixed with the pile may be applied, and then dried to improve the detachability of the inner surface of the glove 1.

  Alternatively, after the heat treatment step and before the glove body is removed from the hand mold, chlorination treatment is performed as a lubricating treatment, or corn starch or the like is applied to the glove surface as a lubricant, so that the inner surface of the glove 1 can be treated. The detachability may be improved.

<Advantages>
The glove 1 includes a straight line connecting the centers of the base 12b of the second finger 12 and the base 15b of the fifth finger 15 and the base 11b of the first finger 11 in plan view from the finger tip direction. And the angle formed by the straight line connecting the centers of the base ends 12b of the second finger portions 12 is equal to or less than 120 degrees. Is less likely to occur, and the displacement of the skirt 16 can be suppressed.

  In addition, the glove 1 has a ratio b / a of the peripheral length a at the narrowest position A to the peripheral length b at the forearm end position B of 1.32 or less. It is easy to secure the static friction force between the cuff and the wearer, and it is possible to prevent the hem 16 from slipping off.

  Further, the glove 1 has an appropriate rigidity since the average thickness of the region between the narrowest position A and the forearm end position B is 0.20 mm or more. In addition, since the ratio b / a is set to 1.32 or less, the glove 1 can prevent the gravitational force applied to the hem 16 and the clothing put in the hem 16 even when the wrist side is turned downward. Wrinkles and bends on the skirt portion 16 which is a starting point of a shift from a shift or the like hardly occur. Due to the appropriate degree of softness and the range of the ratio b / a, the glove 1 is less likely to bend, which is likely to contribute to the occurrence of the displacement of the skirt 16, and can suppress the displacement of the skirt 16.

  In addition, the glove 1 has a straight line connecting the center of the base end 12b of the second finger portion 12 and the center of the base end 15b of the fifth finger portion 15 in a plan view from the finger tip direction, and the base of the first finger portion 11. The angle between the center of the end 11b and the center of the base end 12b of the second finger 12 is 60 degrees or more, and the ratio of the circumference a at the narrowest position A to the circumference b at the forearm end position B Since b / a is set to 1.10 or more and the average thickness of the region between the narrowest position A and the forearm end position B is set to 0.80 mm or less, it is possible to suppress a decrease in ease of attachment and detachment.

[Other embodiments]
The present invention is not limited to the above-described embodiment, and can be embodied with various changes and improvements in addition to the above-described aspects.

  For example, the glove may be configured such that another member such as an arm cover is further provided in the opening of the hem.

  Hereinafter, the present invention will be described in more detail with reference to Examples and Comparative Examples, but the present invention is not limited to the following Examples.

[Example 1]
100 parts by mass of a vinyl chloride-based paste resin (PSM-30 manufactured by Kaneka), 110 parts by mass of a plasticizer (Mezamol manufactured by LANXESS, but mezamol is a registered trademark), 3 parts by mass of a stabilizer (SC-72 manufactured by ADEKA), 0.3 parts by mass of a thickener (QS-102 manufactured by Tokuyama Corporation) was blended to prepare a resin raw material.

In addition, as a handprint of pottery without a surface coat, the total length of the obtained glove (the length from the tip of the third finger to the opening), the perimeter of the opening, the tip of the third finger and the base of the first finger. , The distance L1 in the axial direction at the narrowest position, the circumference a at the finest position, and the circumference b at the forearm end position are the values shown in Table 1, and the distance x in the axial direction is x A hand shape was prepared in which the perimeter y in was adjusted to satisfy the following equation (9).
y ≦ a + (ba) × (x−L1) / (L2−L1) (9)

  The hand mold was immersed in a bath containing the resin material and pulled up. In addition, at the time of lifting, the speed at which the hand mold was pulled out of the bath was adjusted so that the thickness of the coating on the skirt became the thickness shown in Table 1. Here, the thickness of the skirt portion is obtained by arithmetically averaging the values obtained by measuring 10 arbitrary positions using “PG-20” manufactured by TECLOCK Co., Ltd., measuring element diameter 5 mm, measuring force 44 gf. is there.

  The raised hand mold was heated in an oven at 250 ° C. for 1 minute, and subsequently in an oven at 190 ° C. for 10 minutes to form a film. Thereafter, the hand mold was cooled, and corn starch was sprinkled on the surface of the coating to release the mold while inverting, thereby obtaining a glove of Example 1.

[Example 2, Example 3, Comparative Example 1, Comparative Example 2]
Example 2 was repeated in the same manner as in Example 1 except that the thickness at the narrowest position was fixed and the thickness of the hem portion was adjusted to prepare a hand shape such that b / a became the value shown in Table 1. Gloves of Example 3, Comparative Examples 1 and 2 were obtained.

[Examples 4 to 6, Comparative Example 3]
Gloves of Examples 4 to 8 were obtained in the same manner as in Example 1 except that the speed at which the hand mold was pulled up from the bath was adjusted so that the thickness of the coating on the skirt became the thickness shown in Table 1. .

[Examples 7 and 8]
In Example 1, the speed at which the hand mold was pulled out of the bath was adjusted so that the thickness of the coating on the skirt became as shown in Table 1. Further, between the heating at 250 ° C. and the heating at 190 ° C. in the oven, the hand mold was immersed in an acrylic adhesive bath, pulled up, and the surface of the formed adhesive film was lightly dried. A rayon pile having a length of 0.5 mm and a density of 0.0 decitex was electrostatically planted. Except for the above, gloves of Examples 7 and 8 were obtained in the same manner as Example 1.

  For reference, the thickness of the resin coating on the skirt of the glove was 0.38 mm and 0.44 mm, respectively, and the thickness of the adhesive coating was 0.05 mm. Here, the thickness of each film is a value obtained by measuring an arbitrary 10 points using a microscope and arithmetically averaging the measured values.

[Example 9]
In the same manner as in Example 1 except that a handprint in which the width of the skirt spreads from a position 30 mm closer to the fingertip side than the opening to the opening from the position of the opening to make the circumference of the opening 280 mm was prepared. The glove of Example 9 was obtained.

  The position 30 mm closer to the fingertip than the opening is closer to the opening than the distal end position of the forearm.

[Example 10]
A glove of Example 10 was obtained in the same manner as in Example 1, except that a handprint whose peripheral length y at a position where the axial distance was x was adjusted to satisfy the following expression (10) was prepared. . The position where the equal sign is established in the following equation (10) is near the center between the narrowest position and the forearm end position.
y ≦ a + (ba) × (x−L1) / (L2−L1) +6 (10)

[Evaluation]
The gloves of Examples 1 to 10 and Comparative Examples 1 to 3 were all or partially evaluated as described below. Table 1 shows the results.

<Softness>
It was determined by the 45 ° cantilever method of JIS-L1096: 2010. In addition, one test piece was cut out from the back side of one glove in the direction of the opening with a size of 20 mm in width and 150 mm in length from the narrowest position as a starting point. The measurement was performed by placing the glove sample inside on a horizontal base of the measuring instrument. The value of the stiffness was defined as the arithmetic mean of the values measured by cutting out a total of five test pieces from five gloves.

<Bending rigidity>
One test piece was cut out from the back side hem of one glove in a size of 5 cm × 5 cm. The measurement was carried out using a pure bending tester KES-FB2 manufactured by Kato Tech Co., Ltd., with the test piece set so that the gloves were held in the circumferential direction by the test jig of the tester, and the curvature was +2.5 cm ^−1. and when 5 was reciprocated within a range of -2.5 cm ^-1, curvature 0.5 cm ^-1 and 1.5 cm ^-1, was calculated from the value of the -0.5Cm ^-1 and -1.5Cm ^-1 . The value of the bending stiffness was an arithmetic average of the values measured by cutting out a total of five test pieces, one from each of five gloves.

<Removability>
Gloves were put on and taken off by 10 panelists, and hearing was conducted to determine whether or not they felt easy to put on and take off.
A: The number of people who answered that it is easy to put on and take off is 9 or more.
B: The number of people who answered that it was easy to put on and take off was 7 to 8 people.
C: 5 or 6 people answered that they were easy to attach and detach.
D: The number of people who answered that it is easy to attach and detach is 4 or less.

<Sheet slippage>
The dishwashing operation of washing 20 dishes and transferring them to a basket for drying was performed by 10 panelists, and the occurrence of slippage was evaluated according to the following criteria. The long sleeve of the jacket was put in the hem of the glove. In addition, it was determined that the slip-off occurred when the opening of the glove was shifted by 3 cm or more in the wrist direction.
A: The number of persons who have fallen off is 0.
B: The number of persons who have fallen off is one.
C: The number of persons who have fallen off is two.
D: The number of persons who have fallen off is three or more.

<Flexibility>
The flexibility of the glove sample felt during the dishwashing operation due to the slippage of the hem was interviewed and evaluated according to the following criteria.
A: The number of respondents who answered soft is 9 or more.
B: Seven to eight people answered soft.
C: The number of people who answered soft was 5 to 6 people.
D: No more than 4 people answered soft.

  In Table 1, "-" means that measurement was not performed.

  From the results in Table 1, it can be seen that the gloves of Examples 1 to 10 have excellent detachability and are unlikely to cause the hem to slip off.

  On the other hand, the gloves of Comparative Example 1 are inferior in detachability, and the gloves of Comparative Examples 2 and 3 are liable to cause the hem to slip off. It is considered that the glove of Comparative Example 1 was inferior in detachability because the value of b / a was too small. In the glove of Comparative Example 2, it is considered that the value of b / a is too large, and the skirt is likely to slip off. Also, in the glove of Comparative Example 3, it is considered that the average thickness of the region between the narrowest position and the distal end position of the forearm is too small, and the skirt is likely to slip off.

  From the above, b / a is set to 1.10 or more and 1.32 or less, and the average thickness of the region between the narrowest position and the forearm end position is set to 0.20 mm or more and 0.80 mm or less, so that attachment / detachment is easy. It can be said that it is a glove that can prevent the hem from slipping in the wrist direction during work while maintaining the properties.

  From a more detailed view, it can be seen from Examples 1 and 4 to 8 that by setting the softness to 20 mm or more, it is possible to prevent the hem from shifting. Furthermore, comparing Example 1, Example 5 to Example 8, and Example 4, it can be seen that the suppression effect can be enhanced by setting the bending resistance to 25 mm or more.

  Also, comparing Example 1 and Example 9, it can be seen that by increasing the peripheral length of the opening, the detachability is improved.

Furthermore, comparing Example 1 and Example 10, Example 1 that satisfies the following expression (9) is less likely to cause a skirt portion to fall off than Example 10 that satisfies the following expression (10). From this, it can be understood that the effect of suppressing the displacement of the skirt portion can be enhanced by reducing the peripheral length y.
y ≦ a + (ba) × (x−L1) / (L2−L1) (9)
y ≦ a + (ba) × (x−L1) / (L2−L1) +6 (10)

  As described above, the glove of the present invention can prevent the hem from slipping in the wrist direction during work while maintaining the ease of attachment and detachment.

Reference Signs List 1 glove 10 main body 11 first finger 11b base 12 second finger 12b base 13 third finger 13a tip 14 fourth finger 15 fifth finger 15b base 16 hem 16c opening M3 axis R Wrist area S Forearm area A Finest position B Forearm end position F Dashed line

Claims (6)

A bag-shaped main body that covers the palm of the wearer and the back of the hand, and a bottomed cylindrical first finger that extends from the main body to cover the first to fifth fingers of the wearer, respectively. A glove mainly composed of rubber or resin, having a cylindrical skirt extending in a direction opposite to the first to fifth finger portions and the first to fifth finger portions;
In a plan view from the finger tip direction, a straight line connecting the centers of the base ends of the second finger part and the fifth finger part is connected to the center of the base ends of the first finger part and the second finger part. The angle between the straight line and the straight line is 60 degrees or more and 120 degrees or less,
When an axial distance between the third finger tip and the first finger base in the axial direction of the third finger is D, the third finger toward the hem side with the third finger tip as a base point. In the wrist region in which the axial distance of the three fingers is in the range of 1.3 × D to 1.8 × D, the peripheral length a at the narrowest position where the peripheral length is minimum, and the axial distance A ratio b / a to a peripheral length b at a forearm end position which is 1.6 times the axial distance of the finest position is 1.10 or more and 1.32 or less;
A glove, wherein the average thickness of the region between the finest position and the forearm end position is 0.20 mm or more and 0.80 mm or less.   The glove according to claim 1, wherein the stiffness of the skirt is 20 mm or more. When the axial distance between the finest position and the forearm distal end position is L1 [mm] and L2 [mm], respectively, the peripheral length y [mm] at the position where the axial distance is x [mm] The glove according to claim 1 or 2, wherein the following formula (1) is satisfied in the range of L1 <x <L2.
y ≦ a + (ba) × (x−L1) / (L2−L1) +4 (1)   4. The glove according to claim 3, wherein, in a range of L1 <x <L2, the peripheral length y gradually increases with an increase in the axial distance x. The glove according to claim 3, wherein the peripheral length y satisfies the following expression (2) in the opening of the skirt.
y> a + (ba) × (x−L1) / (L2−L1) (2)   The glove according to any one of claims 1 to 5, wherein a ratio a / D of a peripheral length a at the narrowest position to the interval D is 1.50 or more and 1.85 or less.

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