JP6515391B2 - Heat-resistant gloves - Google Patents

Description

  The present invention relates to a heat resistant glove having high heat characteristics such as heat resistance and high temperature gas barrier property.

  Heat-resistant gloves are required for safety work such as arc welding and other welding operations, blast furnace and other pre-furnace operations, and heating and cooking. Materials of heat-resistant gloves in thermally demanding work generally use animal hides. In addition, gloves for fire fighting etc. are also required to have heat resistance. The inventors of the present invention have proposed using a design twisting yarn containing heat resistant fibers as a glove and insulating it with air (Patent Document 1). It is proposed in patent document 2 to provide the heat insulation layer which consists of foam in palm and palm side finger part. Patent Document 3 proposes that a glove is formed of a fabric having a three-layer structure made of heat resistant fiber yarn, and felt of inorganic fiber or metal fiber is disposed on the surface to be a slip resistant.

Unexamined-Japanese-Patent No. 2007-023463 JP, 2008-163534, A JP, 2004-308018, A

  However, the conventional heat-resistant gloves are easily permeable to high-temperature gas such as steam, and have problems in heat characteristics such as heat resistance and vapor barrier properties.

  The present invention provides a heat resistant glove having high heat characteristics such as heat resistance and high temperature gas barrier property in order to solve the above-mentioned conventional problems.

Heat-resistant glove of the present invention is a heat-resistant glove comprising an inner glove and the metal sheet layer and the outer glove, the metal sheet layer is present on the surface of at least the palm portion and the palmar digital portion of the inner glove, the metal The sheet layer is a layer in which a plurality of metal sheet pieces of aluminum foil or aluminum sheet are laminated in a scaly shape and fixed with an adhesive so as to partially overlap, and the palm sole portion and finger sole portion of the inner glove There is no metal sheet layer, an outer glove is present on the outer side of the inner glove and the metal sheet layer, and the outer glove is a knitted glove composed of heat resistant fiber yarn, and the metal sheet layer and the outer glove during further exists cotton layer of heat resistant fibers, cotton layer of said refractory fibers without the Tenohiraura portion and Yubiura part, integrally with a heat-resistant sewing thread to the inner glove from the outer glove It is constant, wherein the heat-resistant gloves are 5-finger gloves.

  In the heat-resistant glove of the present invention, thermal characteristics such as heat resistance and high-temperature gas barrier property are greatly improved by the heat shielding effect and the heat reflection effect of the high temperature gas by the metal sheet layer and the heat insulation effect by the inner glove and the outer glove. In addition, since the outer gloves to the inner gloves are integrally fixed by the heat-resistant sewing thread, the workability is good and the laundry can also be performed. The heat-resistant glove in which a heat-resistant fiber cloth layer is further present between the metal sheet layer and the outer glove and fixed by quilting exhibits a further high thermal insulation effect.

FIG. 1 is a schematic cross-sectional view of a finger of a heat-resistant glove according to an embodiment of the present invention. FIG. 2 is a schematic cross-sectional view of the palm portion. FIG. 3 is a schematic cross-sectional view of a finger of a heat-resistant glove according to another embodiment of the present invention. FIG. 4 is a schematic cross-sectional view of the palm portion. FIG. 5 is a schematic explanatory view in which a metal sheet layer is partially attached to the surface of the inner glove. FIG. 6 is a schematic explanatory view in which a layer of heat-resistant fiber is partially laminated on the surface of the metal sheet layer. FIG. 7 is a schematic front view of the heat-resistant glove.

  The present invention is a heat resistant glove including an inner glove and an outer glove composed of a metal sheet layer and a heat resistant fiber yarn. A metal sheet layer is attached to the surface of at least the palm portion and the palm side finger portion of the inner glove. The palm portion and the palm side finger portion are portions holding a high temperature object, and if a metal sheet layer is attached to at least this portion, a high temperature gas blocking effect and a heat reflection effect can be obtained.

  An outer glove is laminated on the metal sheet layer, and the outer glove to the inner glove are integrally fixed by heat resistant sewing thread. Since the outer gloves are gloves made of heat-resistant fibers, they have high heat resistance and high heat insulation. In addition, since all the layers are integrally fixed by the heat-resistant sewing thread, the gloves and the metal sheet layer do not shift, the workability is good, and the washing can be repeated. The fixing with heat resistant sewing thread is preferably quilted. The heat resistant sewing thread uses, for example, para-aramid fiber thread.

  In the metal sheet layer, it is preferable that a plurality of metal sheet pieces be stacked in a scaly shape, and the metal sheet pieces be fixed by an adhesive. When the metal sheet pieces are stacked in the shape of a fish scale, even if the finger or the like moves in a complicated manner, no gap can be formed, no tearing occurs, and the workability is also good. In addition, when the metal sheet pieces are stacked in a fish scale, they also serve as a barrier to block heat. It is preferable that the metal sheets be attached such that two or three sheets partially overlap. The metal sheet pieces can be of any shape. Preferably it is triangular shape. For example, one side is an equilateral triangle of about 1 to 5 cm. A large number of these are laminated and stacked in a fish scale.

  The metal sheet is, for example, an aluminum foil or an aluminum sheet. The thickness of one sheet is preferably 0.1 to 0.5 mm, more preferably 0.2 to 0.4 mm. The type, thickness, number of laminated sheets, etc. of the metal sheet can be selected according to the required heat resistance. The adhesive may be any adhesive such as isocyanate, acrylic, epoxy or rubber. Preferably, there is a non-solvent adhesive which is cured by moisture (moisture) in the air after application, such as a trade name "Super X" manufactured by Cemedine. The heat resistance of this adhesive is 120 to 150 ° C., and it becomes a rubbery viscous body by heating.

  It is preferable that a layer of heat resistant fiber is laminated on the outside of the metal sheet layer, and the inner glove, the metal sheet layer and the layer of heat resistant fiber are fixed by a heat resistant sewing thread. The layer of heat-resistant fiber exhibits a higher thermal insulation effect. The thickness of the cotton layer is preferably 1 to 6 mm, more preferably 2 to 5 mm in a sewn state. The kind, thickness, number of sheets, etc. of the fibers of the cotton layer can be selected suitably depending on the required heat resistance. The heat-resistant fabric layer is fixed to the inner glove and the metal sheet layer by the heat-resistant sewing thread, so that deformation or movement does not occur even if the outer glove is covered later. The fixing with the sewing thread is preferably quilting processing. The sewing thread uses, for example, para-aramid fiber thread. This sewing may be a light sewing such as temporary sewing.

  The component fibers of the outer glove and the component layers of the heat resistant fiber are made of aramid fiber, liquid crystal polyester fiber, polybenzimidazole fiber, polybenzoxazole fiber, polybenzthiazole fiber, polyamideimide fiber, melamine fiber, polyimide fiber, poly It is preferable that it is at least one selected from arylate fibers and glass fibers. These fibers are also called super fibers and have a melting point or decomposition point of about 350 ° C. or more, preferably 400 ° C. or more. For example, aramid fiber (melting point or decomposition point of para-aramid: 480-570 ° C, meta-based: 400-430 ° C), polybenzimidazole fiber (glass transition temperature: 400 ° C or more), polybenzoxazole fiber (melting point or decomposition Temperature: 650 ° C., polybenzthiazole fiber (melting point or decomposition temperature: 650 ° C.), polyamideimide fiber (melting point or decomposition temperature: 350 ° C. or more), melamine fiber (melting point or decomposition temperature: 400 ° C. or more) Melting point or decomposition temperature: 350 ° C. or higher), polyarylate fiber (melting point or decomposition temperature: 400 ° C. or higher). Glass fibers can withstand even higher temperatures.

  The outer glove is obtained by knitting a yarn using the heat-resistant fiber into a glove. The heat-resistant fiber yarn is, for example, a twisted yarn of para-aramid fiber yarn and meta-aramid fiber yarn, covered yarn (CSY) using para-aramid fiber yarn as a core yarn and meta-aramid fiber yarn as a sheath yarn, It is possible to use a twisted yarn of a yarn and a liquid crystal polyester fiber yarn, a covered yarn (CSY) having a glass fiber yarn as a core and a liquid crystal polyester fiber yarn as a sheath yarn. The fineness of the twisted yarn or CSY is preferably about 118 to 11811 dtex (cotton count: 0.5 to 50). The liquid crystal polyester fiber yarn is, for example, manufactured by KB Salen Co., Ltd. under the trade name "Zexion". The back yarn of the outer glove can also close the knit eye by heating and shrinking the glove to further enhance the heat blocking property.

  The inner glove is preferably a glove knitted with a cotton yarn knit. Cotton gloves absorb sweat and feel good to wear. Thin cotton gloves are preferred.

  It is preferable that silicone rubber be arranged in a dot shape on the surface of the outer glove. The dot-like silicone rubber has the effect of delaying the heat conduction from the hot object in addition to the effect that the object to be gripped is not slippery. The dot-like silicone rubber is preferably made of a heat-resistant silicone rubber that can withstand up to 390.degree. The dot-like silicone rubber preferably has a diameter of 1 to 5 mm and a height of 0.5 to 5 mm.

  Leather may be partially or entirely disposed on the surface of the outer glove. It is preferable that the leather be attached to a portion in contact with the high heat object. It is preferable that the leather-outer outer glove be removed from the leather and quilted integrally with the inner glove. Gloves in which leather is partially adhered to the surface of an outer glove made of heat resistant fiber yarn are useful for fire fighting gloves and the like.

  The heat-resistant glove of the present invention is thin, fits on fingers, does not have a firm feeling even when holding a heated object, has good heat resistance, and has good workability. Wear these gloves and write with a ballpoint pen. When used as an operation for handling steam, for example, as a working glove which is heated and cooked using a steamer or superheated steam, the steam can be shut off, and the operation of gripping a high temperature object can be performed efficiently. It is also useful as gloves for cooking such as bread baking and pizza baking. In addition, in the work of handling pottery such as pottery and porcelain, the hot air can be shut off, and the work of holding a high temperature object can be performed efficiently. Furthermore, it is useful also for heat-resistant gloves used for work with high heat objects such as welding work such as arc welding and pre-furnace work such as blast furnace, work gloves for handling high heat substances such as automobile engines, gloves for fire fighting.

  This will be described below using the drawings. In the following drawings, the same reference numerals indicate the same objects or parts. FIG. 1 is a schematic cross-sectional view of a finger of a heat-resistant glove according to an embodiment of the present invention, and FIG. 2 is a schematic cross-sectional view of a palm of the same. The heat-resistant glove 10 of the first embodiment is composed of an inner glove 1, a metal sheet layer 2 and an outer glove 4 from the inside. A metal sheet layer 2 is laminated in the form of a fish scale on the surface of at least the palm portion and the palm side finger portion of the inner glove 1. An outer glove 4 is laminated on the outer side of the metal sheet layer 2, and the inner glove 1 to the outer glove 4 are integrally fixed by a heat resistant sewing thread 7. On the surface of the outer glove 4 are dot-like projections 5 of heat-resistant silicone rubber. Arrows 8 and 9 indicate the palm side, 12 indicates a finger, and 13 indicates a palm.

  FIG. 3 is a schematic cross-sectional view of the finger of the heat-resistant glove according to the second embodiment of the present invention, and FIG. 4 is a schematic cross-sectional view of the palm of the same. The heat-resistant glove 11 of the second embodiment is composed of an inner glove 1, a metal sheet layer 2, a heat-resistant fiber-covered layer 3 and an outer glove 4 knitted with heat-resistant fiber yarn from the inside. A metal sheet layer 2 is laminated in the form of a fish scale on the surface of at least the palm portion and the palm side finger portion of the inner glove 1. A heat-resistant fiber layer 3 is laminated on the outside of the metal sheet layer 2, and the inner glove 1, the metal sheet layer 2 and the heat-resistant fiber layer 3 are fixed by a heat-resistant sewing thread 6. Further, the outer glove 4 is laminated on the heat-resistant fiber layer 3, and the inner glove 1 to the outer glove 4 are integrally fixed by the heat-resistant sewing thread 7. On the surface of the outer glove 4 are dot-like projections 5 of heat-resistant silicone rubber.

  FIG. 5 is common to the first and second embodiments, and is a schematic explanatory view in which the metal sheet layer 2 is partially adhered to the thumb portion on the surface of the inner glove 1. As the metal sheet, an aluminum sheet having a thickness of 0.3 mm is formed into an equilateral triangle having a side of 1 cm, which is adhered to a scale of fish using an adhesive. Thus, the metal sheet 2 is attached to the surface of the palm and the palm finger.

  FIG. 6 is a process explanatory view of the second embodiment, and is a schematic explanatory view in which the layer 3 of heat resistant fiber is partially laminated on the surface of the metal sheet layer. The partial state which laminated | stacked the layer 3 of the para-type aramid fiber as a heat-resistant fiber by thickness of 3-5 mm is shown. Thus, the layer 3 of para-aramid fibers is laminated on the metal sheet layer 2 and quilted with para-aramid fiber yarn (stitching yarn) from above.

  FIG. 7 is common to the first and second embodiments, and is a schematic front view of a heat-resistant glove. It is an outer glove 4 that appears in the appearance. On the surface of the outer glove 4 are dot-like projections 5 of heat-resistant silicone rubber.

  The present invention will be further described specifically with reference to the following examples. The present invention is not interpreted as being limited to the following examples.

(Example 1 , Reference example )
(1) Inner glove As an inner glove, cotton spun yarn (cotton count 16) was used and knitted with a glove knitting machine. The weight was 10 g for one medium size.
(2) Metal sheet layer The metal sheet layer was stuck on the surface of the palm part and palm side finger part of an inner glove. The metal sheet layer is an aluminum sheet with a thickness of 0.3 mm, cut into an equilateral triangle of about 1 cm on one side, and coated with Cemedine Co., Ltd., trade name “Super X” adhesive to partially become 2-3 fold So glued.
(3) Outer gloves The outer gloves were put on the metal sheet layer and quilted using para-aramid fiber thread. The fiber yarn constituting the outer glove was a covered yarn (CSY) having a para-aramid fiber yarn (fineness: 1300 dtex) as a core yarn and a meta-aramid fiber yarn (fineness: 1300 dtex) as a sheath yarn. Further, as shown in FIG. 5, dot-shaped projections made of heat-resistant silicone rubber were formed on the outer gloves.

  The weight of the heat-resistant glove obtained as described above was 76 g of M size. Moreover, the wearing test was done using this heat-resistant glove. As a result, the heat-resistant glove of the present example was thin, fitted to the fingers, had no feeling of stiffness even when holding the heated object, had good heat resistance, and could maintain good workability. For example, when the heating object at 300 ° C. was held in an atmosphere at a temperature of 20 ° C., the temperature rise in the hand after 1 minute was about 12 ° C. In addition, when used as a steam handling operation, for example, as a working glove heated and cooked using a steamer, the steam can be shut off, and the operation of holding a high temperature object can be performed efficiently. Furthermore, in the work of handling pottery such as pottery and porcelain, the hot air can be shut off, and the work of holding a high temperature object can be done efficiently. Furthermore, it is useful as a heat-resistant glove used for the work which handles high heat objects, such as welding work, such as arc welding, and pre-furnace work, such as a blast furnace, as a glove for firefighting.

(Example 2)
(1) Inner glove As an inner glove, cotton spun yarn (cotton count 16) was used and knitted with a glove knitting machine. The weight was 10 g for one medium size.
(2) Metal sheet layer The metal sheet layer was stuck on the surface of the palm part and palm side finger part of an inner glove. The metal sheet layer is an aluminum sheet with a thickness of 0.3 mm, cut into an equilateral triangle of about 1 cm on one side, and partially 2-3 fold using Cemedine's brand name "Super X" adhesive. So glued.
(3) Layer of heat resistant fiber A 3-5 mm thick para-aramid fiber cotton was laminated on a metal sheet layer, and quilted using para-aramid fiber yarn.
(4) Outer glove The outer glove was put on the heat-resistant fiber layer, and quilted using para-aramid fiber thread. The fiber yarn constituting the outer glove was a covered yarn (CSY) having a para-aramid fiber yarn (fineness: 1300 dtex) as a core yarn and a meta-aramid fiber yarn (fineness: 1300 dtex) as a sheath yarn. Further, as shown in FIG. 5, dot-shaped projections made of heat-resistant silicone rubber were formed on the outer gloves.

  The weight of the heat-resistant glove obtained as described above was 76 g of M size. Moreover, the wearing test was done using this heat-resistant glove. As a result, although the heat-resistant glove of this example was thicker than the heat-resistant glove of Example 1, it fits on the fingers, does not have a feeling of stiffness even if it holds a heated object, has good heat resistance, and also has good workability. I kept it well. For example, when the heating object at 300 ° C. was held in an atmosphere at a temperature of 20 ° C., the temperature rise in the hand after 1 minute was about 10 ° C. In addition, when used as a steam handling operation, for example, as a working glove heated and cooked using a steamer, the steam can be shut off, and the operation of holding a high temperature object can be performed efficiently. Furthermore, in the work of handling pottery such as pottery and porcelain, the hot air can be shut off, and the work of holding a high temperature object can be done efficiently. Furthermore, it is useful as a heat-resistant glove used for the work which handles high heat objects, such as welding work, such as arc welding, and pre-furnace work, such as a blast furnace, as a glove for firefighting.

(Example 3)
(1) Inner glove As an inner glove, cotton spun yarn (cotton count 16) was used and knitted with a glove knitting machine. The weight was 10 g for one medium size.
(2) Metal sheet layer The metal sheet layer was stuck on the surface of the palm part and palm side finger part of an inner glove. The metal sheet layer is an aluminum sheet with a thickness of 0.3 mm, cut into an equilateral triangle of about 1 cm on one side, and partially 2-3 fold using Cemedine's brand name "Super X" adhesive. So glued.
(3) Layer of heat resistant fiber A 3-5 mm thick para-aramid fiber cotton was laminated on a metal sheet layer, and quilted using para-aramid fiber yarn.
(4) Outer glove The outer glove was put on the heat-resistant fiber layer, and quilted using para-aramid fiber thread. The fiber yarn constituting the outer glove is a covered yarn having a glass fiber yarn (fineness: 1600 dtex) as a core yarn and a liquid crystal polyester fiber yarn (KB Salen Co., trade name “Zexion”: fineness: 1600 dtex) as a sheath yarn CSY). Further, as shown in FIG. 5, dot-shaped projections made of heat-resistant silicone rubber were formed on the outer gloves.

  The weight of the heat-resistant glove obtained as described above was 96 g, one for M size. In the wearing test using this heat-resistant glove, almost the same test results as in Example 2 were obtained.

  The heat-resistant glove of the present invention is useful as an operation for handling steam, for example, a working glove which is cooked by using a steamer or superheated steam, or a cooking glove such as pan-baked or pizza-baked. In addition, it is also useful as a work glove for handling pottery such as pottery and porcelain. Furthermore, it is useful also for heat-resistant gloves used for work with high heat objects such as welding work such as arc welding and pre-furnace work such as blast furnace, work gloves for handling high heat substances such as automobile engines, gloves for fire fighting.

DESCRIPTION OF SYMBOLS 1 inner glove 2 metal sheet layer 3 heat resistant fiber layer 4 outer glove 5 dot-like protrusion 6, 7 sewing thread 8, 9 palm side 10, 11 heat resistant glove 12 finger 13 palm

Claims (6)

A heat-resistant glove comprising an inner glove, a metal sheet layer and an outer glove,
Wherein the metal sheet layer is present at least a palm portion and the palm-side finger surfaces of the inner glove, the metal sheet layer is laminated metal sheet piece of aluminum foil or aluminum sheet on a plurality scaly, partially It is a layer fixed with adhesive to overlap,
There is no metal sheet layer on the palm sole and finger sole of the inner glove,
An outer glove is present outside the inner glove and the metal sheet layer,
The outer glove is a knitted glove composed of heat resistant fiber yarn,
Between the metal sheet layer and the outer glove there is a further layer of heat resistant fiber, the layer of heat resistant fiber being absent from the palm sole and the finger sole,
The outer gloves to the inner gloves are integrally fixed by a heat-resistant sewing thread ,
The heat resistant glove is a five-fingered glove. The metal sheet piece heat-resistant glove according to claim 1 which is triangular. The fibers constituting the outer glove and the cotton layer are aramid fibers, liquid crystal polyester fibers, polybenzimidazole fibers, polybenzoxazole fibers, polybenzthiazole fibers, polyamideimide fibers, melamine fibers, polyimide fibers, polyarylate fibers and glass fibers. The heat-resistant glove according to claim 1 or 2, which is at least one heat-resistant fiber selected from The heat-resistant glove according to any one of claims 1 to 3 , wherein the inner glove is made of a cotton yarn knit. The heat-resistant glove according to any one of claims 1 to 4 , wherein silicone rubber is arranged in a dot shape on the surface of the outer glove. The heat resistant glove according to any one of claims 1 to 5 , wherein leather is partially or entirely disposed on the surface of the outer glove.

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