JP6928465B2 - Gloves and their manufacturing method - Google Patents

Description

The present invention relates to synthetic resin or rubber gloves used for various operations such as kitchen, housework, medical, precision equipment assembly, and inspection, and a manufacturing method for producing the gloves.

Conventionally, as this type of glove, by immersing a glove mold on which a glove base material is attached in a resin liquid, the surfaces of the palm and instep of the glove base material are provided with a water-repellent or oil-repellent treatment layer. A thin film of flexible rubber or synthetic resin is formed, and by dripping the resin liquid on the cuff part that has not been treated with water or oil repellency, the surface of the cuff part of the glove base material is water repellent. Alternatively, a relatively thick film of hard rubber or synthetic resin may be formed without passing through an oil-repellent treatment layer (see, for example, Patent Document 1).
As the glove base material, a knitted fabric or a woven fabric made of fiber is used, and the same resin is used for the thin coating on the surface of the palm and the instep and the thick coating on the surface of the cuff.
By giving flexibility to the palm and instep, it is easy to put on and take off gloves and workability is improved, and by giving the cuffs a certain degree of rigidity, the cuffs slip off during use of gloves. And glove are prevented.

Japanese Unexamined Patent Publication No. 61-275407

However, since such conventional gloves have a structure that simultaneously obtains contradictory flexibility and shape retention only by the dimensional difference between the thin part and the thick part made of the same resin, the palm part, the instep part and the cuffs The required hardness difference could not be obtained unless the wall thickness difference from the part was made remarkable.
If the thickness of the cuffs is significantly thicker than the thickness of the palms and insteps, the cuffs will become heavier by the amount of the thickening, so the weight of the cuffs during use will be the boundary between the palms and the instep. There is a problem that the portion is deformed and easily slips off in the direction of the fingertip.
Further, if the difference in wall thickness between the palm portion and the instep portion and the cuff portion is remarkable, a large step is generated at the boundary portion between the palm portion and the instep portion and the cuff portion. Since it is difficult to clean this stepped portion when dirt or the like adheres to it, there is a problem that it tends to be unsanitary and cannot be used in an environment with high hygiene standards such as food and medical treatment.
Further, since the stepped portion is inferior in strength, there is a problem that when a tensile force acts, the stepped portion is easily damaged and the durability is inferior.

In order to achieve such a problem, the glove and the method for manufacturing the glove according to the present invention at least have the configuration according to the following independent claims.
[Claim 1] A finger portion that covers a finger, a palm portion that covers the palm, an instep portion that covers the instep, and a cuff portion that covers a part or all of the wrist and forearm are provided.
The cuff portion has a tubular layer formed continuously with the palm portion and the instep portion, and a reinforcing layer laminated along the tubular layer.
The reinforcing layer, the addition amount heat melting of the tubular layer and the thermal adhesive which is hard rather than the said tubular layer in homogeneous material less the amount of the plasticizer added than the plasticizer contained in the tubular layer Gloves, characterized in that they consist of a sex film or a heat-meltable sheet.
[Claim 3 ] A method for manufacturing a glove including a finger portion that covers a finger, a palm portion that covers the palm, an instep portion that covers the instep, and a cuff portion that covers a part or all of the wrist and forearm. ,
A dip molding step of continuously forming a tubular layer of the finger portion, the palm portion, the instep portion, and the cuff portion.
Including a laminating step of laminating a reinforcing layer along the tubular layer,
The reinforcing layer, the addition amount heat melting of the tubular layer and the thermal adhesive which is hard rather than the said tubular layer in homogeneous material less the amount of the plasticizer added than the plasticizer contained in the tubular layer A method for producing a glove, which comprises a sex film or a heat-meltable sheet.

It is explanatory drawing which shows the whole structure of the glove which concerns on embodiment of this invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
As shown in FIGS. 1 (a) and 1 (b), the glove A according to the embodiment of the present invention is formed in a shape that covers from the user's hand to the wrist and forearm, and is formed for water work in kitchen, housework, etc., and medical treatment. These soft gloves are effective for performing various tasks such as actions, handling of medical equipment, assembly of precision equipment, and inspection.
More specifically, the glove A according to the embodiment of the present invention includes a finger portion 1 that covers the user's finger, a palm portion 2 that covers the user's palm, an instep portion 3 that covers the user's instep, and a user. A cuff portion 4 that covers a part or all of the wrist and forearm of the body is provided as a main component.
The cuff portion 4 has a tubular layer 41 integrally formed with the palm portion 2 and the instep portion 3, and a reinforcing layer 42 laminated along the tubular layer 41.
That is, the glove A according to the embodiment of the present invention is more than the glove body A1 composed of the tubular layer 41 of the finger portion 1, the palm portion 2, the instep 3 and the cuff portion 4, and the tubular layer 41 of the glove body A1. It includes a reinforcing layer 42 made of a hard homogeneous material.

[About the glove body]
The components of the glove body A1 are mainly polyvinyl chloride (PVC), polyolefin (PO), polyethylene terephthalate (PET), polystyrene (PS), acrylic synthetic resin (thermoplastic resin), natural rubber, nitrile rubber, etc. Rubber or similar elastically deformable materials are used. In addition to this, various additives usually used for soft gloves such as plasticizers, diluents, stabilizers, viscosity modifiers, gelling agents, and pigments are blended.
The amount (number of copies) of the plasticizer compounded in the glove body A1 is about 60 to 100 parts (phr) when the main component of the glove body A1 is PVC, more specifically about 80 to 100 parts (phr), and the palm part 2 and the like. The base portion of the finger portion 1 is excellent in flexibility and easily deformed. Further, when the blending amount (number of copies) of the plasticizer is less than about 60 parts (phr), it tends to be difficult to peel off (remove) the glove body A1 from the molding die B described later. Not preferable.
In the glove body A1, it is preferable to partially form the uneven patterns 11 and 21 for slip prevention on the outer surfaces of the finger portion 1 and the palm portion 2. If necessary, it is also possible to partially form a decorative uneven portion (not shown).
Further, it is preferable that the glove body A1 is provided with a coating layer 5 formed along the inner back surface of the tubular layer 41 of the finger portion 1, the palm portion 2, the instep portion 3 and the cuff portion 4. The coating layer 5 is composed of a layer on which piles are transplanted, a foamed layer, and the like.

[Reinforcement layer]
The reinforcing layer 42 is made of a film or sheet having a predetermined thickness and a predetermined hardness (hardness). The reinforcing layer 42 is formed in a tubular shape over the entire circumferential direction of the tubular layer 41, or is formed in a strip shape wound in the circumferential direction of the tubular layer 41, or in the circumferential direction of the tubular layer 41. It is partially formed by dividing into a plurality of each. In particular, when a tubular film or sheet is used as the reinforcing layer 42, the joints are not conspicuous, which is preferable.
As the component of the reinforcing layer 42, a homogeneous material such as a thermoplastic resin or rubber which is the same material as the component of the glove body A1 and which is harder than the glove body A1 is used.
That is, the component of the reinforcing layer 42 is formed to be harder than the glove body A1 by making the amount of the plasticizer compounded smaller than the compounding amount (number of copies) of the plasticizer contained in the glove body A1.
As a specific example of the blending amount of the plasticizer contained in the reinforcing layer 42, it is preferable that the blending amount of the plasticizer contained in the glove body A1 is about 40 parts (phr) or less.
The reinforcing layer 42 is composed of a heat-meltable film or a heat-meltable sheet made of a thermoplastic material that can be adhered to the tubular layer 41. By heating the reinforcing layer 42, at least the surface of the reinforcing layer 42 is heat-melted. It is preferable to heat-adhere to the tubular layer 41. In particular, it is preferable to use a heat-meltable film or a heat-meltable sheet mainly made of PVC or the like because it has good dimensional stability, enables precise printing, and the plasticizer is transferred to balance the hardness.

As a specific example of the thickness of the reinforcing layer 42 with respect to the glove main body A1, when the main components of the glove main body A1 and the reinforcing layer 42 are PVC, the layer ratio between the thickness of the glove main body A1 and the thickness of the reinforcing layer 42 is about 1: 0. It is preferable to set it in the range of 11 to 1.4. More specifically, it is preferably set in the range of about 1: 0.15 to 1.2, and more specifically, it is preferably set in the range of about 1: 0.2 to 1.0.
As a specific example of the hardness (hardness) of the reinforcing layer 42 with respect to the glove body A1, when the main components of the glove body A1 and the reinforcing layer 42 are PVC, the ratio of the hardness of the glove body A1 to the hardness of the reinforcing layer 42 is about. It is preferable to set it in the range of 1: 1.8 to 6.0. More specifically, it is preferably set in the range of about 1: 2.4 to 5.1, and more specifically, it is preferably set in the range of about 1: 3.5 to 4.4.

In the reinforcing layer 42, one end 42a on the palm 2 and instep 3 sides (in the fingertip direction) is located on the glove body A1 from the thinnest portion A2 facing the user's wrist joint to the cuff A3 side (opposite to the fingertip direction). It is preferable to arrange the orientation at about 0 to 50 mm, specifically about 20 to 40 mm.
When one end 42a of the reinforcing layer 42 is arranged in the direction of the fingertips with respect to the thinnest portion A2 of the glove body A1, the movement of the wrist is restricted during use. When one end 42a of the reinforcing layer 42 is arranged at a distance of about 50 mm or more from the thinnest portion A2 of the glove body A1 toward the side opposite to the fingertip direction, the reinforcing layer 42 slips off in the fingertip direction during use (during work). It is easy to get in the way of work.
The width dimension L of the reinforcing layer 42 on the side opposite to the fingertip direction is preferably set to a maximum of about 50 mm or more, more specifically about 70 to 120 mm, and more specifically about 80 to 90 mm up to the cuffs A3.
When the width dimension L of the reinforcing layer 42 is less than about 50 mm, slippage and mackerel in the fingertip direction are likely to occur during use. When the width dimension L of the reinforcing layer 42 is about 70 to 120 mm or more, the usability is poor.

Further, either one of the reinforcing layer 42 or the tubular layer 41 or both the reinforcing layer 42 and the tubular layer 41 are transparent or translucent, and there is a display surface between the reinforcing layer 42 and the tubular layer 41. It is preferable to have 43.
On the display surface 43, the display content 43a is formed on the surface of the reinforcing layer 42 by printing or the like, or a sheet in which the display content 43a is formed by printing or the like separately from the reinforcing layer 42 is formed on the reinforcing layer 42 and the tubular layer 41. It is composed by sandwiching it between and.
Examples of the display content 43a include pictures, patterns, characters, identification information (company name, product name, use, size, material, lot number, mark, symbol, barcode) and the like.
When shown in FIGS. 1 (a) and 1 (b) as a specific example of the reinforcing layer 42, a transparent and tubular heat-shrinkable film such as a shrink film is used, and the front surface or the back surface thereof is designated as a display surface 43. , The pattern that becomes the display content 43a is printed in multiple colors. The reinforcing layer 42 is laminated on the outer surface of the opaque glove body A1 so that the display surface 43 is in contact with the tubular layer 41.
Further, although not shown as another example, the strip-shaped reinforcing layer 42 is arranged by being wound around the tubular layer 41 in the circumferential direction, or a plurality of reinforcing layers 42 are divided into the circumferential direction of the tubular layer 41 at predetermined intervals. Can be placed or changed. It is possible to make changes such as sandwiching a sheet on which the display content 43a, which is formed separately from the reinforcing layer 42, is printed between the reinforcing layer 42 and the tubular layer 41. It is also possible to form at least the tubular layer 41 transparently or translucently in the glove body A1, and to stack the reinforcing layer 42 on the inner back surface of the tubular layer 41 so that the display surface 43 is in contact with the tubular layer 41. Is.

[Production method]
The manufacturing method for producing the glove A according to the embodiment of the present invention is a dip molding step in which the tubular layer 41 of the finger portion 1, the palm portion 2, the instep portion 3 and the cuff portion 4 is continuously integrally formed. And a laminating step of laminating the reinforcing layer 42 along the tubular layer 41 as a main step.
That is, by immersing the molding die B in the resin paste or rubber paste that is a component of the glove body A1, the molding die B is immersed and molded along the molding die B. After molding, a finished product is obtained by reverse-reversing mold or forward-rotating mold from the molding mold B.

The specific process order of the dip molding step and the laminating step is as shown in FIGS. 1A and 1B, a film or sheet serving as a reinforcing layer 42 at a predetermined position on the surface of the molding die B to be the cuff portion 4. Temporarily fix and immerse the mold B in the resin paste or rubber paste. As a result, the dip molding step and the laminating step are performed substantially at the same time. After the glove body A1 has dried, the glove body A1 in which the reinforcing layer 42 is integrally laminated is peeled off from the molding mold B and turned inside out (reversal release) to complete the glove A in which the reinforcing layer 42 is exposed to the outside. Goods are obtained.
Further, although not shown as another example, instead of the above-mentioned reversing mold, a dip molding step is first performed in which the glove body A1 is dip-molded along the molding mold B, and after the glove body A1 is dried, the cuffs are formed. It is also possible to perform a laminating step of laminating the reinforcing layer 42 along the tubular layer 41 of the portion 4.
As a result, after the laminating step of the reinforcing layer 42 is completed, when the glove body A1 in which the reinforcing layer 42 is integrally laminated is peeled off from the molding mold B (normal rotation type), the reinforcing layer 42 is left as it is on the outside. A finished product of gloves A exposed to the surface is obtained.
However, in the case of such a normal rotation type, the uneven portion (not shown) formed on the surface of the molding mold B is transferred to the outer surface of the finger portion 1 or the palm portion 2 to prevent slipping. It becomes impossible to form the uneven patterns 11 and 21. Therefore, it is necessary to form the uneven patterns 11 and 21 for slip prevention by another method.

According to the glove A and the manufacturing method thereof according to the embodiment of the present invention, the reinforcing layer 42 is tubular with respect to the tubular layer 41 of the cuff portion 4 formed continuously with the palm portion 2 and the instep portion 3. By laminating along the layer 41, the palm portion 2 and the instep portion 3 are kept in a thin state in which they are easily deformed.
On the other hand, the cuff portion 4 is thicker than the palm portion 2 and the instep 3, and at the same time, the reinforcing layer 42 is made of a homogeneous material harder than the tubular layer 41, so that the palm portion 2 and the instep 3 are formed. It becomes harder and harder to deform.
Therefore, the flexibility of the palm portion 2 and the instep portion 3 and the shape retention of the cuff portion 4 can be simultaneously achieved by the difference in hardness between the palm portion 2 and the instep portion 3 and the reinforcing layer 42.
As a result, the cuffs 4 are more prominent than the palms 2 and the instep 3 as compared with the conventional ones that simultaneously obtain contradictory flexibility and shape retention only by the dimensional difference between the thin part and the thick part made of the same resin. Even if it is not thickened, the required hardness difference can be obtained and the weight of the cuff portion 4 can be reduced.
Therefore, the palm portion 2 and the instep portion 3 can be improved in wearability, detachability, fit feeling at the time of wearing, workability, and the like. At the same time, the cuff portion 4 can prevent slipping in the fingertip direction and muckle during use (during work), and liquid such as water does not enter the inside of the glove A during use to prevent deterioration of work efficiency. Can be planned.
Further, since a large step does not occur at the boundary portion between the palm portion 2 and the instep portion 3 and the cuff portion 4, it can be easily washed even if dirt or the like adheres to it. As a result, it can be used in an environment with high hygiene standards such as medical treatment and food, and is excellent in safety.
Further, even if a pulling force acts on the glove A, the glove A is not damaged from the boundary portion between the palm portion 2 and the instep portion 3 and the cuff portion 4, and has excellent durability and can be used for a long period of time.

In particular, it is preferable that the reinforcing layer 42 is made of a homogeneous material in which the amount of the plasticizer added is smaller than the amount of the plasticizer added in the tubular layer 41.
In this case, by heating the tubular layer 41 and the reinforcing layer 42 in contact with each other, the plasticizer contained in the tubular layer 41 is rapidly transferred into the reinforcing layer 42. Therefore, the hardness of the entire cuff portion 4 including the tubular layer 41 and the reinforcing layer 42 can be balanced.
Therefore, it is possible to make the tubular layer 41 and the reinforcing layer 42 difficult to peel off while making the overall hardness of the cuff portion 4 uniform.
As a result, it is possible to produce a high-quality glove A in which the hardness of the cuff portion 4 is uniform as a whole.

Further, it is preferable that the reinforcing layer 42 is composed of a heat-meltable film or a heat-meltable sheet that heat-bonds to the tubular layer 41.
In this case, by heating the reinforcing layer 42 in contact with the tubular layer 41, at least the surface of the reinforcing layer 42 is thermally melted and adhered to the tubular layer 41 to form a tubular layer 41. The reinforcing layer 42 is integrated.
Therefore, the tubular layer 41 and the reinforcing layer 42 can be brought into close contact with each other only by heating.
As a result, high-quality gloves A can be produced by simple processing. As a result, productivity and cost can be reduced.
In particular, when a heat-shrinkable film such as a shrink film or a heat-shrinkable sheet is used as the heat-meltable film or the heat-meltable sheet, it can easily follow the three-dimensional curved surface of the molding die B and can adhere without wrinkles.

Further, it is preferable that either or both of the reinforcing layer 42 and the tubular layer 41 is transparent or translucent, and a display surface 43 is provided between the reinforcing layer 42 and the tubular layer 41.
In this case, the display surface 43 sandwiched between the reinforcing layer 42 and the tubular layer 41 can be seen through from the outside via the transparent or translucent reinforcing layer 42 or the tubular layer 41.
Therefore, the display surface 43 can be held without being worn with use.
As a result, the product value can be enhanced with excellent design and distinctiveness.

Examples of the present invention will be described below.
[Examples 1 to 4 and Comparative Examples 1 to 3]
In Examples 1 to 4 and Comparative Examples 1 to 3 shown in Table 1, the glove body A1 and the reinforcing layer 42 (film or sheet) having the thickness and hardness described therein are used, and the above-mentioned dip molding step and laminating step are performed. This is the glove A in which the reinforcing layer 42 is laminated on the tubular layer 41 of the glove body A1.
More specifically, a shrink film having a main component of PVC as the reinforcing layer 42 was temporarily fixed to the surface of the molding die B, and the molding die B was immersed in a resin paste having a main component of PVC.
As a result, the glove body A1 was immersed and molded along the molding die B, and at the same time, the reinforcing layer 42 was laminated along the tubular layer 41 of the glove body A1. Then, a finished product of the glove A was obtained by reverse mold removal as the above-mentioned mold removal method.
The hardness (hardness) of the glove body A1 and the reinforcing layer 42 is the stress when a specific elongation is applied to the test piece, and in principle, it is measured when 100% elongation is applied. Tensile load (kgf / cm) ”is used.

In Examples 1 to 4 and Comparative Examples 1 to 3, one end 42a of the reinforcing layer 42 is arranged 30 mm from the thinnest portion A2 of the glove body A1 toward the side opposite to the fingertip direction, and the width dimension L of the reinforcing layer 42 is 85 mm. It is set to, and it has a common configuration. As a result, the reinforcing layer 42 is not laminated up to the cuffs A3 of the glove body A1.
Further, in Examples 1 to 4 and Comparative Examples 1 to 3, the thickness of the glove body A1 is set to 0.20 mm, and therefore the hardness of the glove body A1 (tensile load at 100% elongation) is 0.90 kgf /. It is cm and has a common configuration.

In Example 1, the thickness of the reinforcing layer 42 was set to 0.03 mm, so that the hardness of the reinforcing layer 42 (tensile load at 100% elongation) was 2.22 kgf / cm. Along with this, the overall thickness of the cuff portion 4 of the glove A became 0.27 mm, and the overall hardness of the cuff portion 4 of the glove A (tensile load at 100% elongation) became 1.33 kgf / cm.
In Example 2, since the thickness of the reinforcing layer 42 was set to 0.04 mm, the hardness of the reinforcing layer 42 was 3.19 kgf / cm. Along with this, the total thickness of the cuff portion 4 of the glove A was 0.29 mm, and the total hardness of the cuff portion 4 of the glove A was 2.10 kgf / cm.
In Example 3, since the thickness of the reinforcing layer 42 was set to 0.08 mm, the hardness of the reinforcing layer 42 was 3.95 kgf / cm. Along with this, the total thickness of the cuff portion 4 of the glove A was 0.35 mm, and the total hardness of the cuff portion 4 of the glove A was 2.62 kgf / cm.
In Example 4, since the thickness of the reinforcing layer 42 was set to 0.20 mm, the hardness of the reinforcing layer 42 was 3.69 kgf / cm. Along with this, the total thickness of the cuff portion 4 of the glove A was 0.45 mm, and the total hardness of the cuff portion 4 of the glove A was 2.70 kgf / cm.
In the reinforcing layer 42 of Examples 3 and 4, although the thickness of Example 3 (0.08 mm) is thinner than the thickness of Example 4 (0.20 mm), the hardness of Example 3 (3). .95 kgf / cm) was harder than the hardness of Example 4 (3.69 kgf / cm). The reason seems to be that the material (shrink film) of the reinforcing layer 42 of Example 4 was relatively softer than the material (shrink film) of the reinforcing layer 42 of Example 3.

On the other hand, in Comparative Example 1, the case where the reinforcing layer 42 is not laminated is shown, the total thickness of the cuff portion 4 of the glove A is set to 0.20 mm, and the total hardness of the cuff portion 4 of the glove A is set to 0. The difference is that it is set to .90.
In Comparative Example 2, the thickness of the reinforcing layer 42 is set to 0.02 mm, the hardness of the reinforcing layer 42 is 1.52, and accordingly, the total thickness of the cuff portion 4 of the glove A is 0.25 mm. The difference is that the overall hardness of the cuff portion 4 of the glove A is 1.23.
In Comparative Example 3, the thickness of the reinforcing layer 42 is set to 0.30 mm, the hardness of the reinforcing layer 42 is 5.46, and accordingly, the total thickness of the cuff portion 4 of the glove A is 0.60 mm. The difference is that the overall hardness of the cuff portion 4 of the glove A is 3.73.

The evaluation results shown in Tables 1 and 2 (moldability, slippage / macre, comprehensive evaluation) are based on the following indexes.
Regarding "whether or not laminating molding is possible", in Examples 1 to 4 and Comparative Examples 1 to 3, the laminated state of the tubular layer 41 and the reinforcing layer 42 (film) of the glove body A1 was confirmed. The test results were evaluated in two stages.
In the evaluation result of "whether or not laminating molding is possible", it was evaluated as ◯: laminating molding is possible, ×: laminating molding is difficult.
In Examples 1 to 4 and Comparative Examples 1 to 3, "misalignment / macre" causes the cuffs 4 to slip and makure during use (during work) when the gloves A are worn and the fingertips are facing downward. This is a test to confirm whether or not it is. The test results were evaluated on a three-point scale.
In the evaluation result of this "displacement drop / makure", ◎: no misalignment drop or makure occurs during use, ○: some misalignment drop or makure occurs, ×: misalignment drop or makure surely occurs. Evaluated as.
The "comprehensive evaluation" was evaluated comprehensively on a three-point scale based on the evaluation results of "whether or not laminated molding" and "misalignment / macre" described above.
In the evaluation result of this "comprehensive evaluation", ⊚: optimum, ◯: good, ×: unsuitable.

[Evaluation results]
Comparing Examples 1 to 4 and Comparative Examples 1 to 3, good evaluation results were obtained in all of Examples 1 to 4 in terms of whether or not laminating molding was possible, slippage / mackerel, and comprehensive evaluation.
As is clear from this evaluation result, in Example 1, the thickness of the reinforcing layer 42 is 0.03 mm and the hardness is 2.22, which is slightly soft. Therefore, although the cuffs 4 are slightly displaced during use, the inside of the glove A is used. The liquid did not infiltrate into the water, and it was evaluated as "good" overall.
In particular, in Examples 2 to 4, since the layer ratio between the thickness of the glove body A1 and the thickness of the reinforcing layer 42 was set in the range of 1: 0.2 to 1.0, the hardness of the glove body A1 and the hardness of the reinforcing layer 42 were set. The ratio of hardness was in the range of about 1: 3.5 to 4.4. As a result, the cuffs 4 did not slip off or muckle at all during use, and was evaluated as "optimal" overall.
As is clear from this evaluation result, in Examples 1 to 4, the flexibility of the palm 2 and the instep 3 and the shape retention of the cuff 4 are determined by the difference in hardness between the palm 2 and the instep 3 and the reinforcing layer 42. It will be possible to achieve at the same time.

However, on the other hand, Comparative Examples 1 to 3 have poor evaluation results in any of the possibility of laminated molding, slippage / macre, and comprehensive evaluation.
To explain in detail, in Comparative Example 1, since the reinforcing layer 42 was not laminated, the cuff portion 4 is not stiff and easily bends. As a result, the cuffs 4 were surely slipped off and muckles occurred during use, and the overall evaluation was "unsuitable".
In Comparative Example 2, although the reinforcing layer 42 was laminated, the thickness of the reinforcing layer 42 was too thin with respect to the thickness of the glove body A1, and the hardness of the reinforcing layer 42 was too soft. Easy to bend without. As a result, the cuffs 4 were surely slipped off and muckles occurred during use, and the overall evaluation was "unsuitable".
More specifically, in Comparative Example 2, since the layer ratio between the thickness of the glove body A1 and the thickness of the reinforcing layer 42 was set to 1: 0.1, the ratio of the hardness of the glove body A1 to the hardness of the reinforcing layer 42 was 1: 1. It was 1.69. That is, when the layer ratio of the thickness of the reinforcing layer 42 to the thickness of the glove body A1 is set to 0.1 or less and the ratio of the hardness of the reinforcing layer 42 to the hardness of the glove body A1 is 1.69 or less. It was found that the hardness of the cuff portion 4 was insufficient.
In Comparative Example 3, since the reinforcing layer 42 was thick with respect to the thickness of the glove body A1 and the reinforcing layer 42 was too hard, it was easy to tear at the boundary between the tubular layer 41 and the reinforcing layer 42 of the glove body A1 and laminating molding became difficult. Overall, it was evaluated as "unsuitable".
More specifically, in Comparative Example 3, since the layer ratio between the thickness of the glove body A1 and the thickness of the reinforcing layer 42 was set to 1: 1.5, the ratio of the hardness of the glove body A1 to the hardness of the reinforcing layer 42 was 1: 1. It was 6.07. That is, when the layer ratio of the thickness of the reinforcing layer 42 to the thickness of the glove body A1 is set to 1.5 or more and the ratio of the hardness of the reinforcing layer 42 to the hardness of the glove body A1 is 6.07 or more. It was found that the hardness of the cuff portion 4 was excessive.

In Examples 1 to 4 and Comparative Examples 1 to 3 described above, the case where the main components of the glove body A1 and the reinforcing layer 42 are both PVC is shown, but the main components of the glove body A1 and the reinforcing layer 42 are both. Even if both are thermoplastic resins such as PO, PET, PS and acrylic, or homogeneous materials such as rubber, the same slip-off prevention effect as PVC can be expected.
When the main component of the glove body A1 is PVC and the main component of the reinforcing layer 42 is a thermoplastic resin such as PO, PET, PS or an acrylic material or a foreign material such as rubber, the glove body A1 has a tubular shape. The reinforcing layer 42 cannot be laminated and molded with respect to the layer 41.
For example, even if the reinforcing layer 42 made of a foreign material is laminated on the tubular layer 41 of the glove body A1 whose main component is PVC, welding does not proceed at the interface between the tubular layer 41 and the reinforcing layer 42, and delamination occurs. However, the material of the reinforcing layer 42 sucks the plasticizer contained in the material of the tubular layer 41 and expands, so that wrinkles are generated and the laminating molding cannot be performed.

A glove A1 glove body 1 finger part 2 palm part 3 instep part 4 cuff part 41 tubular layer 42 reinforcing layer 43 display surface

Claims (3)

It includes a finger part that covers the fingers, a palm part that covers the palm, an instep part that covers the instep, and a cuff part that covers part or all of the wrist and forearm.
The cuff portion has a tubular layer formed continuously with the palm portion and the instep portion, and a reinforcing layer laminated along the tubular layer.
The reinforcing layer, the addition amount heat melting of the tubular layer and the thermal adhesive which is hard rather than the said tubular layer in homogeneous material less the amount of the plasticizer added than the plasticizer contained in the tubular layer Gloves, characterized in that they consist of a sex film or a heat-meltable sheet. Wherein one or both or reinforcing layer or said tubular layer is transparent or translucent, claim 1 Symbol placement of gloves and having a display surface between the tubular layer and the reinforcing layer .. A method for manufacturing a glove including a finger portion covering a finger, a palm portion covering a palm, an instep portion covering the instep, and a cuff portion covering a part or all of the wrist and forearm.
A dip molding step of continuously forming a tubular layer of the finger portion, the palm portion, the instep portion, and the cuff portion.
Including a laminating step of laminating a reinforcing layer along the tubular layer,
The reinforcing layer, the addition amount heat melting of the tubular layer and the thermal adhesive which is hard rather than the said tubular layer in homogeneous material less the amount of the plasticizer added than the plasticizer contained in the tubular layer A method for producing a glove, which comprises a sex film or a heat-meltable sheet.

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