US20060059603A1 - Gloves with a visual indicator to remind change - Google Patents
Gloves with a visual indicator to remind change Download PDFInfo
- Publication number
- US20060059603A1 US20060059603A1 US11/082,799 US8279905A US2006059603A1 US 20060059603 A1 US20060059603 A1 US 20060059603A1 US 8279905 A US8279905 A US 8279905A US 2006059603 A1 US2006059603 A1 US 2006059603A1
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- Prior art keywords
- glove
- gloves
- time
- color
- indicator
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D19/00—Gloves
- A41D19/0024—Gloves with accessories
- A41D19/0027—Measuring instruments, e.g. watch, thermometer
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D19/00—Gloves
- A41D19/0055—Plastic or rubber gloves
- A41D19/0058—Three-dimensional gloves
- A41D19/0062—Three-dimensional gloves made of one layer of material
Definitions
- Single use disposable gloves have been widely used in many fields and industries to provide necessary hand protection and to avoid cross contamination. It is a common practice to frequently change gloves, because thin wall gloves may fail after a prolong period of time, or cross contamination may be induced with more than one substance or object being handled.
- warning indicator It is desirable to have some kind of warning indicator to provide better protection. There are a number of mechanisms and methods that have been produced.
- a glove with multiple layers can be made with a colored liquid in between the layers, as shown in U.S. Pat. No. 6,370,694. Once the glove is punctured half way through, the colored liquid will flow out and be seen.
- Another example is a glove with multiple layers with a vacuum in between. Once the glove is punctured halfway through, the glove becomes inflated.
- U.S. Pat. No. 6,744,368 describes another breach detecting glove. Again, a liquid is sealed in between multiple layers, and a microchip is embedded into gloves. Once the glove fails, the sealed in liquid will activate the microchip which, in turn, will communicate the compromised integrity of the glove to the wearer.
- Thin wall gloves have color change time indicators.
- a color change label or friendly reminding message can be seen after the glove is put on for a period of time.
- the warning indicators can be triggered via UV, visible light, temperature change, air exposure, presence of oxidizers (oxygen, chlorine), pH change, chemical reaction of two components or any combination of these activators.
- the method for producing these gloves can be easily realized under common glove production lines. Depending on the desired applications, both powdered and powder free gloves can be produced.
- FIG. 1 displays a glove having an activated warning sign
- FIG. 2 displays a glove having an appearing warning sign
- FIG. 3 displays a glove having a progressive warning sign.
- the triggering mechanism can be exposure to light, heat, moisture, chemical reaction of two components, and some component of air, such as oxygen or carbon dioxide.
- Colorless indication can be one end of a color changing process as well. In other words, an indicator can appear or disappear upon being triggered. Because the color changing is also environment dependent, the gloves will not pinpoint the exact time. Instead, a rough range is specified: less than 30 minutes, 30 ⁇ 60 minutes, and longer than 1 hour, and so on. Additionally, the indicator can show a first color at less than 30 minutes, a second color between 30 ⁇ 60 minutes, and a third color when longer than 1 hour. The color changing is gradual, and not a sharp change.
- the ink is added into the glove dipping compound, the whole glove will change color over time.
- the ink can be sprayed on a certain portion of the glove.
- a company logo can be sprayed onto the glove and it can be made to disappear as the indicator, or a message such as “time to change” can be made to appear.
- the inks can also be provided separately for glove wearers as stamps or self-stickers. The glove wearers can apply them at the time they put the gloves on, or as desired.
- FIGS. 1 to 3 show the gloves with indicators incorporated therein. They demonstrate color change before and after activation, via various triggering mechanisms.
- FIG. 1 depicts a glove 10 having a colored warning symbol 14 changing from a first color, seen in FIG. 1 a to a second color, seen in FIG. 1 b, indicating that the glove needs to be changed.
- FIG. 2 a depicts a glove 10 having a warning symbol 16 , which may be a message, appearing, as shown in FIG. 2 b to indicate that the glove need to be changed. This would work in reverse for a symbol that disappears when the glove needs to be changed.
- FIGS. 3 a - c shows a progressive symbol 18 on glove 10 changing colors over time to give an indication of elapsed time.
- the glove displays a first color, shown in FIG. 1 a for the first 30 minutes of use, a second color seen in FIG. 3 b from 30-60 minutes of use and a third color, seen in FIG. 3 c after 60 minutes.
- the colors displayed by the gloves are a function of the material used for the warning sign.
- the demonstrated methods can be applied to all disposable gloves, such as natural rubber latex, nitrile butadiene rubber, polyisoprene polychloroprene, polybutadiene rubber, butyl rubber, polyvinyl chloride, polyurethane, styrene ended copolymer thermal elastomers, as well as their blends, copolymers, and multiple structured composites.
- These methods are independent from the glove matrix materials involved and can be applied to gloves either on-line or off-line. This gives great flexibility to the glove manufacturers to implement the processes.
- UV sensitive material sometimes called photo chromatic material
- photo chromatic material is sensitive to UV light.
- the color of the material changes when exposed to a UV light source, such as sunlight.
- photo chromatic materials When photo chromatic materials are exposed to UV light, they absorb the energy and use that energy to change their molecular structures.
- the new structures will have different color absorption and reflection abilities than the original structures. Thus, visible color changing occurs. This depends on the materials used.
- a color change can also be altered and the time span for the color change is adjustable.
- the color change process can be reversible, molecular structure changes back to original once UV light is absent, or irreversible, once the molecular structure is changed by UV source, it remains at new form even when UV source is absent.
- UV sensitive indicator is a mixture of dye pigment and UV activated materials such as the spiro-indoline-oxazines family, for example CTI Photo UV yellow, a commercially available material from Chromatic Technologies, Inc.
- fluorescent light sensitive materials are sensitive to fluorescent light such as indoor visible light.
- the mechanism is very similar to the UV mechanism. The only difference is that visible light activates the molecular structure change of the material, resulting in a visible color change. A different color change can be achieved using different materials. Again, the color change process can be reversible or irreversible and depends on different chemicals used.
- One possible material usable as a visible light sensitive indicator is a mixture of dye pigment and silver salts, for example C WC Ag 1, a commercially available material from Spectra Group Limited, Inc.
- the glove manufacturing process is a little more difficult, in that the glove manufacturing operation can't be entirely in the dark. Indicators with lower wavelength activation, known as blue side, are preferred.
- the manufacturing operation can be conducted with limited red light exposure.
- pH indictors used for acid base titration.
- One is thymolphthalein, colorless at pH ⁇ 9.3 and dark blue at pH>10.5.
- the indicator system also contains sodium hydroxide, a commonly used base. It adsorbs any accessible acidic substance. In the application to a glove, the indicator goes from dark blue to colorless.
- the chemical reaction upon air exposure is as follows:
- a carbon dioxide sensitive indicator is a mixture of a pH indicator, such as thymolphthalein and base or acid solution, such as sodium hydroxide and sold by Penguin Magic Inc. as Disappearing Ink.
- Indicators for oxidation-reduction titration can serve as time indicators. Similar to carbon dioxide sensitive gloves, airtight storage has to be adopted.
- One possible material used as a oxygen sensitive indicator is a mixture of thiazone dye pigment and aliphatic organic compounds, such as RP Systems oxygen indicators from Mitsubishi Chemicals.
- the glove has to gain an extra component from the environment; energy such as light or heat or components form the air such as oxygen and carbon dioxide.
- the gloves can be made with certain components inside or on the a glove. They can provide some other ingredients separately as a self-sticker. The glove wearer can apply this self-sticker onto the glove after the glove is put on. Once the contact between the reactive ingredients occurs, the desired color change would result over a predetermined period. This would allow a more flexible and friendly manufacturing and storage requirement.
- a chemical reaction activated indicator is a mixture of dye pigment, alkaline substance and ascorbic acid and salt, for example TT sensor, a commercially available chemical reaction activated indicator from Avery Dennison.
- an oxidation-reduction titration indicator can be combined with a sodium chlorite. Upon light exposure, sodium chlorite will decompose and release chlorine and chlorine dioxide. Both are strong oxidizers causing color change of many oxidation-reduction indicators.
- the indicators can be single component and multiple components. It can be entirely or partially embedded into a glove. It can have components separately as self-stickers. It can be ingredients of a glove-dipping compound and can be sprayed over the surface.
- the visual change can be a simple color change from one color to another color with one of the colors bring colorless, or a sign appearing or disappearing.
- the color indication can be any symbol, a company logo, or a message and could encompass the entire glove.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Gloves (AREA)
Abstract
Description
- The present application claims the priority of provisional patent application Ser. No. 60/611,293, filed Sep. 21, 2004.
- Single use disposable gloves have been widely used in many fields and industries to provide necessary hand protection and to avoid cross contamination. It is a common practice to frequently change gloves, because thin wall gloves may fail after a prolong period of time, or cross contamination may be induced with more than one substance or object being handled.
- It is desirable to have some kind of warning indicator to provide better protection. There are a number of mechanisms and methods that have been produced.
- For example, a glove with multiple layers can be made with a colored liquid in between the layers, as shown in U.S. Pat. No. 6,370,694. Once the glove is punctured half way through, the colored liquid will flow out and be seen. Another example is a glove with multiple layers with a vacuum in between. Once the glove is punctured halfway through, the glove becomes inflated. These inventions provide better protection against glove failures caused by punctures.
- U.S. Pat. No. 6,744,368 describes another breach detecting glove. Again, a liquid is sealed in between multiple layers, and a microchip is embedded into gloves. Once the glove fails, the sealed in liquid will activate the microchip which, in turn, will communicate the compromised integrity of the glove to the wearer.
- All these methods deal with a glove damaged by punctures. They all assume that the puncture occurs half way through the glove, so that the wearer can be protected by a prompt glove change. Obviously, that is not always the case, not to mention when the liquid flowing out causes contamination.
- It would be desirable to have an indicator that can remind the wearers to change gloves before the glove barrier integrity is compromised.
- It is an object of the invention to provide a time sensitive indicator on a glove.
- It is another object of the invention changing color with time to signal the need to change gloves.
- It is still another object of the invention to provide a glove with a visual indication of the amount of time a glove has been worn.
- It is yet another object of the invention to provide length of time indicators triggered by any number of activators.
- Thin wall gloves have color change time indicators. A color change label or friendly reminding message can be seen after the glove is put on for a period of time. The warning indicators can be triggered via UV, visible light, temperature change, air exposure, presence of oxidizers (oxygen, chlorine), pH change, chemical reaction of two components or any combination of these activators. The method for producing these gloves can be easily realized under common glove production lines. Depending on the desired applications, both powdered and powder free gloves can be produced.
-
FIG. 1 displays a glove having an activated warning sign; -
FIG. 2 displays a glove having an appearing warning sign; and -
FIG. 3 displays a glove having a progressive warning sign. - Many industries and applications use color changing labels and printing inks. The triggering mechanism can be exposure to light, heat, moisture, chemical reaction of two components, and some component of air, such as oxygen or carbon dioxide. Colorless indication can be one end of a color changing process as well. In other words, an indicator can appear or disappear upon being triggered. Because the color changing is also environment dependent, the gloves will not pinpoint the exact time. Instead, a rough range is specified: less than 30 minutes, 30˜60 minutes, and longer than 1 hour, and so on. Additionally, the indicator can show a first color at less than 30 minutes, a second color between 30˜60 minutes, and a third color when longer than 1 hour. The color changing is gradual, and not a sharp change.
- If the ink is added into the glove dipping compound, the whole glove will change color over time. The ink can be sprayed on a certain portion of the glove. A company logo can be sprayed onto the glove and it can be made to disappear as the indicator, or a message such as “time to change” can be made to appear. The inks can also be provided separately for glove wearers as stamps or self-stickers. The glove wearers can apply them at the time they put the gloves on, or as desired.
- If the color changing is reversible, the manufacturing process and storage requirement is very flexible. Otherwise, special precautionary measures have to be applied.
- FIGS. 1 to 3 show the gloves with indicators incorporated therein. They demonstrate color change before and after activation, via various triggering mechanisms.
FIG. 1 depicts aglove 10 having acolored warning symbol 14 changing from a first color, seen inFIG. 1 a to a second color, seen inFIG. 1 b, indicating that the glove needs to be changed.FIG. 2 a depicts aglove 10 having awarning symbol 16, which may be a message, appearing, as shown inFIG. 2 b to indicate that the glove need to be changed. This would work in reverse for a symbol that disappears when the glove needs to be changed.FIGS. 3 a-c shows aprogressive symbol 18 onglove 10 changing colors over time to give an indication of elapsed time. The glove displays a first color, shown inFIG. 1 a for the first 30 minutes of use, a second color seen inFIG. 3 b from 30-60 minutes of use and a third color, seen inFIG. 3 c after 60 minutes. For all embodiments, the colors displayed by the gloves are a function of the material used for the warning sign. - The demonstrated methods can be applied to all disposable gloves, such as natural rubber latex, nitrile butadiene rubber, polyisoprene polychloroprene, polybutadiene rubber, butyl rubber, polyvinyl chloride, polyurethane, styrene ended copolymer thermal elastomers, as well as their blends, copolymers, and multiple structured composites. These methods are independent from the glove matrix materials involved and can be applied to gloves either on-line or off-line. This gives great flexibility to the glove manufacturers to implement the processes.
- UV sensitive material, sometimes called photo chromatic material, is sensitive to UV light. The color of the material changes when exposed to a UV light source, such as sunlight. When photo chromatic materials are exposed to UV light, they absorb the energy and use that energy to change their molecular structures. The new structures will have different color absorption and reflection abilities than the original structures. Thus, visible color changing occurs. This depends on the materials used. A color change can also be altered and the time span for the color change is adjustable. The color change process can be reversible, molecular structure changes back to original once UV light is absent, or irreversible, once the molecular structure is changed by UV source, it remains at new form even when UV source is absent. One possible material usable as a UV sensitive indicator is a mixture of dye pigment and UV activated materials such as the spiro-indoline-oxazines family, for example CTI Photo UV yellow, a commercially available material from Chromatic Technologies, Inc.
- Similar to UV sensitive materials, fluorescent light sensitive materials are sensitive to fluorescent light such as indoor visible light. The mechanism is very similar to the UV mechanism. The only difference is that visible light activates the molecular structure change of the material, resulting in a visible color change. A different color change can be achieved using different materials. Again, the color change process can be reversible or irreversible and depends on different chemicals used. One possible material usable as a visible light sensitive indicator is a mixture of dye pigment and silver salts, for example C WC Ag 1, a commercially available material from Spectra Group Limited, Inc.
- The glove manufacturing process is a little more difficult, in that the glove manufacturing operation can't be entirely in the dark. Indicators with lower wavelength activation, known as blue side, are preferred. The manufacturing operation can be conducted with limited red light exposure.
- There are many pH indictors used for acid base titration. One is thymolphthalein, colorless at pH<9.3 and dark blue at pH>10.5. The indicator system also contains sodium hydroxide, a commonly used base. It adsorbs any accessible acidic substance. In the application to a glove, the indicator goes from dark blue to colorless. The chemical reaction upon air exposure is as follows:
- Although this reaction is reversible, strict avoidance of any acidic substances during manufacturing process is recommended and storage needs to be airtight. One possible material used as a carbon dioxide sensitive indicator is a mixture of a pH indicator, such as thymolphthalein and base or acid solution, such as sodium hydroxide and sold by Penguin Magic Inc. as Disappearing Ink.
- Indicators for oxidation-reduction titration can serve as time indicators. Similar to carbon dioxide sensitive gloves, airtight storage has to be adopted. One possible material used as a oxygen sensitive indicator is a mixture of thiazone dye pigment and aliphatic organic compounds, such as RP Systems oxygen indicators from Mitsubishi Chemicals.
- Strictly speaking, all of the above indicators are activated by chemical reaction. The glove has to gain an extra component from the environment; energy such as light or heat or components form the air such as oxygen and carbon dioxide.
- The gloves can be made with certain components inside or on the a glove. They can provide some other ingredients separately as a self-sticker. The glove wearer can apply this self-sticker onto the glove after the glove is put on. Once the contact between the reactive ingredients occurs, the desired color change would result over a predetermined period. This would allow a more flexible and friendly manufacturing and storage requirement.
- When the elapsed time is less than 30 minutes, the color is yellow. Gradually, it turns orange, the wearer would know the glove has been donned for 30 to 60 minutes. If the color is pink, it means the glove has been put on for longer than one hour. One possible material used as a chemical reaction activated indicator is a mixture of dye pigment, alkaline substance and ascorbic acid and salt, for example TT sensor, a commercially available chemical reaction activated indicator from Avery Dennison.
- There are many heat sensitive indicators. However, many of them are not suitable for application to a glove because the temperature of the glove while on wearer's hands should not dramatically change. However, an indicator that is dark blue at room temperature and turns light green at elevated temperature can be used. The color change occurs when the temperature reaches ˜31° C., which is lower than body temperature. The indicator is dark blue during normal storage conditions. After it has been put on, the body temperature of the hand would turn the indicator light green in less than 30 minutes. One possible material used as a body heat activated indicator is a mixture of dye pigment, diaryl; phthalides and acidic phosphoric acid ester compounds, for example, SB Screen 31C, a commercially available ink from Chromatic Technologies, Inc.
- We can also combine some of these methods and technologies. For instance, an oxidation-reduction titration indicator can be combined with a sodium chlorite. Upon light exposure, sodium chlorite will decompose and release chlorine and chlorine dioxide. Both are strong oxidizers causing color change of many oxidation-reduction indicators.
- The indicators can be single component and multiple components. It can be entirely or partially embedded into a glove. It can have components separately as self-stickers. It can be ingredients of a glove-dipping compound and can be sprayed over the surface.
- The visual change can be a simple color change from one color to another color with one of the colors bring colorless, or a sign appearing or disappearing. The color indication can be any symbol, a company logo, or a message and could encompass the entire glove.
Claims (10)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/082,799 US20060059603A1 (en) | 2004-09-21 | 2005-03-18 | Gloves with a visual indicator to remind change |
EP05019736A EP1637046A3 (en) | 2004-09-21 | 2005-09-10 | Gloves with a visual indicator to remind change |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US61129304P | 2004-09-21 | 2004-09-21 | |
US11/082,799 US20060059603A1 (en) | 2004-09-21 | 2005-03-18 | Gloves with a visual indicator to remind change |
Publications (1)
Publication Number | Publication Date |
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US20060059603A1 true US20060059603A1 (en) | 2006-03-23 |
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ID=35456026
Family Applications (1)
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US11/082,799 Abandoned US20060059603A1 (en) | 2004-09-21 | 2005-03-18 | Gloves with a visual indicator to remind change |
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US (1) | US20060059603A1 (en) |
EP (1) | EP1637046A3 (en) |
Cited By (19)
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JP2009528093A (en) * | 2006-03-01 | 2009-08-06 | レスメド・リミテッド | Method and apparatus for reminding a user to replace and / or service a CPAP device and / or its components |
US20090222973A1 (en) * | 2008-03-04 | 2009-09-10 | Denise Lynn Merkle | Temperature sensing glove for automotive applications |
US20100036778A1 (en) * | 2006-09-26 | 2010-02-11 | De Vulliod Jean | Monitoring of the utilisation time of a pallet |
DE102010019573A1 (en) | 2009-05-29 | 2010-12-02 | Alexander Herms | Protective glove with acid / base warning function by pH indicators |
EP2468233A1 (en) | 2010-12-22 | 2012-06-27 | Purdue Pharma LP | Color change time indicator for packaging system |
CN102869473A (en) * | 2009-11-13 | 2013-01-09 | 林肯环球股份有限公司 | Welding arc apparel with UV activated images and method for detecting UV radiation |
US20160150839A1 (en) * | 2014-12-01 | 2016-06-02 | Stephanie Allen | Glove with Hand-Coloring Marking Area |
US9579532B2 (en) | 2013-03-12 | 2017-02-28 | Ansell Limited | Breach or contamination indicating article |
US20170156420A1 (en) * | 2015-12-08 | 2017-06-08 | Honeywell International Inc. | Protective glove with inner glove life indicator |
US10065210B2 (en) | 2014-06-12 | 2018-09-04 | Ansell Limited | Breach or contamination indicating article, optionally with pre-warning indicator |
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US6370694B1 (en) * | 1988-10-17 | 2002-04-16 | Gary K. Michelson | Surgical glove |
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Cited By (25)
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JP2009528093A (en) * | 2006-03-01 | 2009-08-06 | レスメド・リミテッド | Method and apparatus for reminding a user to replace and / or service a CPAP device and / or its components |
US20100036778A1 (en) * | 2006-09-26 | 2010-02-11 | De Vulliod Jean | Monitoring of the utilisation time of a pallet |
US8276215B2 (en) * | 2008-03-04 | 2012-10-02 | Denise Lynn Merkle | Temperature sensing glove for automotive applications |
US20090222973A1 (en) * | 2008-03-04 | 2009-09-10 | Denise Lynn Merkle | Temperature sensing glove for automotive applications |
US8001620B2 (en) * | 2008-03-04 | 2011-08-23 | Denise Lynn Merkle | Temperature sensing glove for automotive applications |
US20120002698A1 (en) * | 2008-03-04 | 2012-01-05 | Denise Lynn Merkle | Temperature Sensing Glove For Automotive Applications |
DE102010019573B4 (en) * | 2009-05-29 | 2015-06-03 | Alexander Herms | Protective glove with acid / base warning function by pH indicators |
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Also Published As
Publication number | Publication date |
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EP1637046A2 (en) | 2006-03-22 |
EP1637046A3 (en) | 2008-05-14 |
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