The present invention relates to the field of protective garments. More specifically, the present invention relates to multi-purpose modular protective garments that include a jacket and a pair of pants that each have an inner module and an outer module.
The role of emergency responders, and particularly fire fighters, has increased over the past few years. In addition to the traditional job of fighting fires, many fire fighters have now become the first responders to many emergency situations. For example, some fire fighters are now expected to respond to emergency situations ranging from multi-vehicle car accidents, to bio-hazard threats. Due to this increase in responsibilities, many fire fighters are being cross-trained to respond to emergency medical situations and search & rescue activities, in addition to the traditional fire fighting activities.
Obviously, fire fighters and other emergency first responders are required to wear protective garments in order to protect them from the different environmental conditions to which they are exposed. The National Fire Protection Association (NFPA) is a recognized organization for establishing safety standards. The NFPA has established different standards for different activities. For example, protective garments that are suitable for emergency medical situations, search and rescue activities and structural fire fighting will each be required to meet different NFPA standards. In other words, depending on the main activity for which the protective garment is designed, the protective garment will be required to meet a different NFPA standard.
Unfortunately, many fire fighters who perform both structural fire fighting, and emergency medical response and/or search and rescue activities, are provided with only one protective garment. As such, this protective garment is generally in compliance with the standards for structural fire fighting.
For many tasks, such as search and rescue activities and emergency medical response activities, a protective garment that meets the standards for structural fire-fighting provides far more thermal protection than the wearer needs. This makes the protective garment quite heavy, and quite hot for a fire fighter to wear when responding to an emergency medical response situation or a search and rescue situation. As such, the fire fighter will be uncomfortable, and unable to work at maximum efficiency.
In light of this situation, it is commonly observed that fire fighters who respond to emergency medical situations wearing protective garments that are too cumbersome for the task at hand, often undo the front closure of their protective garment, or remove their protective garment altogether. Given that the scenes of many emergency medical and/or rescue situations can be quite dangerous with sharp objects, blood and glass strewn about the scene, a fire fighter that undoes the closure of his/her jacket, or removes the jacket altogether, puts him/herself at risk of getting hurt or contaminated. Obviously, this defeats the entire purpose of the protective garment altogether.
In light of the above, it can be seen that there is a need in the industry for a protective garment that alleviates, at least in part, the deficiencies of the prior art, and provides a wearer with sufficient protection for many different types of situations.
In accordance with a first broad aspect, the present invention provides a protective garment that comprises a jacket and a pair of pants. The jacket has a jacket inner module and a jacket outer module and the pair of pants has a pant inner module and a pant outer module. The jacket inner module and the pant inner module each comprise an inner layer of moisture barrier material and an outer layer of abrasion resistant material. In addition, the jacket outer module and the pant outer module each comprise an inside layer of thermal insulation material and an outside layer of abrasion resistant material. The jacket inner module and the pant inner module form a protective garment of a first type, and the combination of the jacket inner module and the pant inner module with the jacket outer module and the pant outer module form a protective garment of a second type.
In accordance with a second broad aspect, the present invention provides a protective pair of pants that comprises an inner module and an outer module. The inner module comprises an inner layer of moisture barrier material and an outer layer of abrasion resistant material. The outer module comprises an inside layer of thermal insulation material and an outside layer of abrasion resistant material.
In accordance with another broad aspect, the present invention provides a multi-purpose protective garment that comprises an inner module and an outer module. The inner module is suitable for being worn separately and in combination with the outer module. The inner module forms a first protective garment that is compliant with the NFPA 1999. Standard on Protective Clothing for Emergency Medical Operations and the NFPA 1951. Standard on Protective Ensemble for USAR (Urban Search and Rescue) Operations. The inner module in combination with the outer module forms a second protective garment that is compliant with the NFPA 1971. Standard on Protective Ensemble for Structural Fire Fighting.
These and other aspects and features of the present invention will now become apparent to those of ordinary skill in the art upon review of the following description of specific embodiments of the invention and the accompanying drawings.
In the accompanying drawings:
Other aspects and features of the present invention will become apparent to those ordinarily skilled in the art upon review of the following description of specific embodiments of the invention in conjunction with the accompanying figures.
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The protective garment 10 includes a jacket 12 and a pair of pants 14. The jacket 12 includes a jacket inner module 16 and a jacket outer module 18, and the pair of pants 14 includes a pants inner module 20 and a pants outer module 22. As will be described in more detail below, the jacket inner module 16 and the pants inner module 20 are adapted for being worn separately, as well as in combination with the jacket outer module 18 and the pants outer module 22.
The Inner Module
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In
As shown in
In a non-limiting embodiment of the present invention, the magnets 42 can be positioned directly on the material of the outer surface of the first side 40A and the inner surface of the second side 40B, or alternatively the magnets 42 can be positioned between different layers of material that make up the inner module 16. In this embodiment, the magnets 42 would not be visible from the outside. The different layers of the inner module 16 will be described in more detail below.
In the non-limiting embodiment shown in
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In addition, the legs 46 include zippers 55 at the lower leg portions. In the non-limiting embodiment shown, the zippers 55 extend from the bottom of the legs 57 to just above the knee reinforcements 54. The zippers 55 enable the wearer to more easily put on his/her protective boots so as to be able to quickly don and doff the pant outer module.
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In accordance with the present invention, each of the jacket inner module 16 and the pants inner module 20 comprises at least two layers of material. More specifically, as shown in
The inner layer 60 is operative for providing liquid tight integrity, both from the elements and from chemical and viral hazards. The inner layer 60 is operative for being impermeable to water, NFPA defined common chemicals and to blood and body fluid borne pathogens. In addition, while preventing foreign liquid from entering the inner modules 16 and 20, the inner layer 60 allows water vapour built up by the perspiration of the wearer to escape. In this manner the wearer is prevented from overheating. In a non-limiting example of implementation, the inner layer 60 includes a fabric inner liner, such as a lightweight facecloth/terrycloth quilted to a batting or felt, that is laminated to an ePTFE moisture membrane. A non-limiting example of an ePTFE moisture membrane is CROSSTECH®, developed by W.L. Gore.
As mentioned above, the outer layer 62 of the inner modules 16 and 20 is an abrasion resistant material that is operative for providing cut, tear and puncture resistance. In a further embodiment, the outer layer 62 is also water and flame resistant. An example of a material suitable for the outer layer 62 is a lightweight woven aramid fabric, such as Nomex®, a Nomex®/Kevlar® blend, a PBI®/Kevlar® blend or Millenia®. Other materials known in the art that provide abrasion resistance are also included within the scope of the present invention.
In the non-limiting example of implementation shown in
As mentioned above, the jacket inner module 16 and the pants inner module 20 are operative to be worn separately from the outer modules 18 and 22. When the jacket inner module 16 and the pants inner module 20 are worn without the outer modules 18 and 22, the inner layer 60 of moisture barrier material, and the outer layer 62 of abrasion resistant material provide a protective garment that is suitable for emergency medical response situations, such as car accidents, as well as emergency search and rescue activities. More specifically, the jacket inner module 16 and the pants inner module 20 as described above, provide a protective garment that is in compliance with the NFPA 1999. Standard on Protective Clothing for Emergency Medical Operations, and the Standard on Protective Ensemble for USAR (Urban Search and Rescue) Operations.
The Outer Module
The jacket outer module 18 and the pants outer module 22 will now be described in more detail with respect to
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In
In the non-limiting embodiment shown in
In the non-limiting embodiment shown in
In addition to the first zipper 78, the jacket outer module includes a second zipper 82. The second zip 82 includes a first zipper portion 82A and a second zipper portion 82B. The first zipper portion 82A is located on the edge of the front opening 74 on the first side 80A of the jacket 18 and the second zipper portion 82B is located on the inner surface of the second side 80B. As will be described in more detail below, the second zipper 82 is operative for connecting the jacket inner module 16 to the jacket outer module 18.
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The pants outer module 22 further comprises a first longitudinal opening 106A along a first outer leg portion and a second longitudinal opening 106B along a second outer leg portion. In accordance with a non-limiting embodiment of the present invention, the first longitudinal opening 106A and the second longitudinal opening 106B are each closable via a zipper (not shown). It should however be appreciated that other fastening devices, such as poppers, or a hook and loop arrangement could also be used without departing from the spirit of the invention.
Due to the presence of the first and second longitudinal openings 106A and 106B, instead of having to remove the pants outer module 22 by opening the front opening 74, the pants outer module 100 can be removed by opening the first and second longitudinal openings 106A and 106B. In this manner, in the case where the wearer needs to quickly remove the pants outer module 22, such as in the case where the extra protection from the pants outer module 22 is not needed, the wearer can simply use the first and second longitudinal openings 106A and 106B to quickly remove the pants outer module 22.
Each of the jacket outer module 18 and the pants outer module 22 comprise at least two layers of material. Shown in
The inside layer 110 is operative for providing thermal insulation from the harsh environmental conditions to which the emergency workers might be faced, such as the heat from a fire, for example. A non-limiting example of a type of material that is suitable for the inside layer 110 is a mesh fabric, such as a Nomex® mesh fabric.
The outside layer 112 of the outer modules 18 and 22 is an abrasion resistant material that is operative for providing cut, tear, and puncture resistance, as well as water and flame resistance. In a non-limiting example of implementation, the outside layer 112 can be made of a tightly woven aramid fabric, such as Nomex®, a Nomex®/Kevlar® blend, a PBI®/Kevlar® blend or Millenia®.
As mentioned above, the outer modules 18 and 22 of the protective garment 10 are operative to be worn in combination with the inner modules 16 and 20. When worn together, the outer modules 18 and 22 together with the inner modules 16 and 20 provide a protective garment that is in compliance with the NFPA 1971 standard for structural fire fighting. In other words, the additional thermal insulation properties provided by the outer modules 18 and 22 boost the properties of the inner modules 16 and 20, such that the combination of the inner and outer modules provides a protective garment that meets more rigorous standards.
In a further non-limiting embodiment, the combination of the inner modules 16 and 20, together with the outer modules 18 and 22 provides a protective garment that would provide protection against chemical, biological and nuclear hazards.
The Inner Module Together with the Outer Module
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When the jacket inner module 16 is connected to the jacket outer module 18, the combination of the frontal opening 32 of the inner module 16 and the frontal opening 74 of the outer module 18 provides a frontal opening 114. In the embodiment shown in
In the non-limiting embodiment shown in
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In a further non-limiting embodiment, the second type of protective garment is also in compliance with the NFPA 1994. Standard on Protective Ensembles for Chemical/Biological Terrorism Incidents. In order to meet this NFPA 1994 standard, the protective garment would include additional protective fabrics and specialised closure systems that are known in the art. As such, these additional protection components will now be described in more detail herein.
As such, the multi-purpose protective garment 10 of the present invention provides a single protective garment that is suitable for being worn in multiple different emergency situations. For example, when responding to an emergency medical situation, the fire fighter, or other emergency worker can simply wear the jacket inner module 16 and the pants inner module 20. Then, when responding to an emergency fire fighting situation, the fire fighter can wear both the inner modules 16 and 20 together with the outer modules 18 and 22. In this manner, the multi-purpose protective garment 10 provides the emergency response worker with the appropriate garment for multiple different jobs. In addition, the fire fighter, or other emergency responder can decide on-site which is the optimal combination of garments to be worn for the task at hand.
Chemical/Biological Suit
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The combination of the full-body encapsulation suit 122 with the jacket outer module 18 and the pants outer module 22 provides an emergency responder with an overall protective garment 120 that meets a level-two protective factor as defined by the NFPA 1994. Standard on Protective Ensembles for Chemical/Biological Terrorism Incidents. It is possible that an emergency responder could arrive at a scene wearing a protective garment 10 that includes both the inner modules 16 and 20 and the outer modules 18 and 22, only to learn that there is the possibility of a chemical/biological hazard. In such a situation, the emergency responder can quickly change protective garments by removing the outer modules 18 and 22 and the inner modules 16 and 20, donning the full body encapsulation suit 122 and then re-donning the outer modules 18 and 22. In this manner, the emergency responder will be able to quickly adjust his/her protective garment in order to be fully equipped for the type situation.
In a non-limiting example of implementation, the full-body encapsulation suit is made of a selectively permeable membrane film that is laminated to, but not limited to, an aramid fabric substrate. Such films are suitable for protection against chemical and biological hazards, and are presently developed by Stedair Inc., W.L. Gore and Duppont, among others. It should however be understood that other films suitable for protection against chemical and biological hazards that are identified as chem/bio terror agents could be used without departing from the spirit of the invention.
Although the present invention has been described in considerable detail with reference to certain preferred embodiments thereof, variations and refinements are possible without departing from the spirit of the invention. Therefore, the scope of the invention should be limited only by the appended claims and their equivalents.