Arc flash protection glove

Abstract

The present invention relates to an arc flash protection glove ( 100, 200 ). The glove ( 100, 200 ) comprises a fire-resistant glove liner ( 2 ), which glove liner ( 2 ) consists of a palm side ( 3 ) and a back side ( 4 ), which palm side ( 3 ) comprises palm side finger portions ( 3 A), a palm side center portion ( 3 B) and a palm side cuff portion ( 3 C), which backside ( 4 ) comprises backside finger portions ( 4 A), a backside center portion ( 4 B) and a backside cuff portion ( 4 C). The glove liner ( 2 ) is provided with a fire-resistant coating comprising a fire-resistant material, the fire-resistant coating comprises: a backside coating portion ( 5 B) having an area of at least 4 cm 2 and being arranged on the backside center portion ( 4 B), and a palm side coating portion ( 5 A) arranged on the palm side ( 3 ) of the glove liner ( 2 ), wherein the palm side coating portion ( 5 A) covers at least 90% of said palm side finger portions ( 3 A) and at least 90% of said palm side center portion ( 3 B), wherein an average coating weight of said backside coating portion ( 5 B) is within the range of 5-80% of an average coating weight of the palm side coating portion ( 5 A). A heat protection glove ( 100, 200 ) and a method for manufacturing an arc flash protection ( 100, 200 ) glove or a heat protection glove ( 100, 200 ) are also disclosed.

1 . A heat and/or arc flash protection glove comprising a fire-resistant glove liner, which glove liner consists of a palm side and a backside, which palm side comprises palm side finger portions, a palm side center portion and a palm side cuff portion, which backside comprises backside finger portions, a backside center portion and a backside cuff portion, which glove liner is provided with a fire-resistant coating comprising a fire-resistant material, said fire-resistant coating comprises:
 a backside coating portion having an area of at least 4 cm 2  and being arranged on the backside center portion, and a palm side coating portion arranged on the palm side of said glove liner,   wherein said palm side coating portion covers at least 90% of said palm side finger portions and at least 90% of said palm side center portion,   wherein an average coating weight of said backside coating portion is within the range of 5-80% of an average coating weight of said palm side coating portion.   
     
     
         2 . (canceled) 
     
     
         3 . The glove according to  claim 1 , wherein the composition of the fire-resistant material of the backside coating portion and the composition of the fire-resistant material of the palm side coating portion optionally is the same. 
     
     
         4 . The glove according to  claim 1 , wherein the backside coating portion is fully or partly composed of a different fire-resistant material compared to the palm side coating portion. 
     
     
         5 . The glove according to  claim 1 , wherein said back side coating portion is arranged as a continuous or discontinuous layer, optionally comprising a dot pattern. 
     
     
         6 . The glove according to  claim 1 , comprising a first coating arranged on at least said palm side coating portion, which first coating has a total coating weight within the range of 5-20 g/glove of size 10; and comprising a second coating arranged on at least said backside coating portion, which second coating has a total coating weight within the range of 1-8 g/glove of size 10. 
     
     
         7 . The glove according to  claim 1 , comprising a first coating arranged on at least said palm side coating portion, which first coating has a total coating weight within the range of 3.3-25 g; and comprising a second coating arranged on at least said backside coating portion, which second coating has a total coating weight within the range of 0.66-10 g. 
     
     
         8 . The glove according to  claim 1 , wherein the fire-resistant material comprises polymers selected from the group consisting of silicon, polyvinylchloride and chloroprene, or a mixture thereof. 
     
     
         9 . The glove according to  claim 1 , wherein the fire-resistant material comprises chloroprene. 
     
     
         10 . The glove according to  claim 8 , wherein the fire-resistant material comprises 10-90 wt % chloroprene, or 20-80 wt % chloroprene, or 30-70 wt % chloroprene, or 40-60 wt % chloroprene. 
     
     
         11 . The glove according to  claim 1 , wherein the fire-resistant coating further comprises an additive selected from the group consisting of: pigments, fillers, softeners, surface active agents, accelerators, crosslinkers and vulcanizers, or mixtures thereof. 
     
     
         12 . The glove according to  claim 1 , wherein the glove liner is formed of a fire-resistant material selected from the group consisting of: para-aramid, meta-aramid, modacrylic, cotton, wool, polyamide and polyester. 
     
     
         13 . A method for manufacturing an arc flash protection or fire-resistant glove comprising the steps of:
 providing a fire-resistant glove liner, which glove liner consists of a palm side and a backside, which palm side comprises palm side finger portions, a palm side center portion and a palm side cuff portion, which backside comprises backside finger portions, a backside center portion and a backside cuff portion;   providing a fire-resistant coating to said glove liner by:   providing a backside coating portion having an area of at least 4 cm 2  on said backside center portion; and   providing a palm side coating portion on said palm side, wherein said palm side coating portion covers at least 90% of said palm side finger portions and at least 90% of said palm side center portion;   wherein an average coating weight of said backside coating portion is within the range of 5-80% of an average coating weight of said palm side coating portion.   
     
     
         14 . The method according to  claim 13 , further comprising the steps of:
 providing at least one fire-resistant coating composition for said backside center portion,   providing at least one fire-resistant coating composition for said palm side, and   wherein said step of providing a backside coating on said backside center portion further comprises providing at least one layer of said at least one fire-resistant coating composition for said backside center portion to said backside center portion,   wherein said step of providing a palm side coating on said palm side further comprises providing at least one layer of said at least one fire-resistant coating composition for said palm side to said palm side,   and wherein said fire-resistant coating composition for said palm side and said fire-resistant coating composition for said backside is optionally different.   
     
     
         15 . The method according to  claim 14 , wherein said step of providing a backside coating portion further comprises providing a plurality of layers of said fire-resistant material composition on top of each other, and said step of providing a palm side coating portion comprises providing a plurality of layers of said palm coating composition on top of each other, wherein
 a predetermined number of said plurality of layers of said back side coating portion and a predetermined number of said plurality of layers of said palm side coating portion are provided simultaneously, e.g. by means of dipping or spray coating; and optionally the total number of layers of said palm side coating portion provided to said palm side is larger than total number of layers of said backside coating portion provided to said backside center portion.   
     
     
         16 . The method according to  claim 13 , wherein the step of providing said backside coating portion and/or said palm side coating portion is performed by a method comprising dipping, spraying, brushing or screen-printing, or a combination thereof. 
     
     
         17 . The method according to  claim 16 , wherein the step of providing said backside coating portion comprises providing a discontinuous coating by means of spraying or screen-printing said at least one fire-resistant coating composition for said backside center portion. 
     
     
         18 . The method according to  claim 14 , wherein the method further comprises a step of drying of the coating composition to yield a fire-resistant coating material. 
     
     
         19 . The method according to  claim 14 , wherein the method further comprises a step of vulcanization of the coating composition on the glove liner, wherein the vulcanization temperature is within the range of 80-140° C., or 85-135° C., or 90-130° C.