阅读说明：本技术 一种防水且透气性能好的帐篷布及其生产装置 (waterproof and good tent cloth of air permeability and apparatus for producing thereof ) 是由 刘磊 杨建军 何祥燕 张建安 吴明元 吴庆云 刘久逸 于 2019-07-18 设计创作，主要内容包括：本发明公开了一种防水且透气性能好的帐篷布及其生产装置,该帐篷布包括基布层以及设置在基布层上的面料层,所述基布层由经纱和纬纱交织织成,所述面料层为芳纶面料；帐篷布由下述步骤制备得到：将经纱和纬纱放置在织布机上编织,即可得到基布层；清理芳纶面料表面附着的杂质；本发明通过将含有除虫菌溶剂的亚麻纤维和高遮光性纤维线构成的经纱与竹炭纤维和棉纤维构成的纬纱编织成基布层,亚麻纤维、高遮光性纤维线、竹炭纤维和棉纤维均具有良好的抗菌性能,因此使得帐篷布可以有效除菌、驱蚊虫,并且使用的材料比较环保,符合绿色化生产。(The invention discloses a waterproof tent cloth with good air permeability and a production device thereof, wherein the tent cloth comprises a base cloth layer and a fabric layer arranged on the base cloth layer, the base cloth layer is woven by interweaving warp yarns and weft yarns, and the fabric layer is aramid fabric; the tent cloth is prepared by the following steps: placing the warp yarns and the weft yarns on a loom for weaving to obtain a base fabric layer; cleaning impurities attached to the surface of the aramid fabric; according to the invention, the base cloth layer is woven by the warp yarns formed by the flax fibers and the high-shading-property fiber yarns containing the deinsectization solvent and the weft yarns formed by the bamboo charcoal fibers and the cotton fibers, and the flax fibers, the high-shading-property fiber yarns, the bamboo charcoal fibers and the cotton fibers have good antibacterial performance, so that the tent cloth can effectively remove bacteria and mosquitoes, and the used materials are environment-friendly and accord with green production.)

1. The tent cloth with good waterproof and air permeability is characterized by comprising a base cloth layer and a fabric layer arranged on the base cloth layer, wherein the base cloth layer is woven by interweaving warp yarns and weft yarns, and the fabric layer is aramid fabric;

The tent cloth is prepared by the following steps:

Step one, placing warp yarns and weft yarns on a loom for weaving to obtain a base fabric layer;

step two, cleaning impurities attached to the surface of the aramid fabric;

Step three, softening finishing: adding 5-10 parts of polyether silicone oil into 10-20 parts of ethanol according to the mass parts, stirring and heating to 40-42 ℃, adding 120-140 parts of water, heating to 48-50 ℃ at the heating rate of 2 ℃/min, dropwise adding 1-2 parts of glacial acetic acid, continuously heating to 55 ℃ at the heating rate of 1 ℃/min, adding 1-3 parts of lecithin, uniformly mixing to obtain a first finishing liquid, immersing the aramid fiber fabric into the obtained first finishing liquid, continuously heating to 60-65 ℃ at the heating rate of 1.5 ℃/min, and soaking at constant temperature for 2-3 hours;

step four, primary drying: drying the soft aramid fabric in vacuum at 50-55 ℃ under 0.8-0.9 MPa;

step five, spray finishing: adding 1.5-2.8 parts of sodium fluoborate into 70-80 parts of water, stirring uniformly, heating to 60-70 ℃ at the heating rate of 2 ℃/min, adding 10-12 parts of aqueous fluorocarbon emulsion, stirring uniformly to obtain a second finishing liquid, adding the second finishing liquid into a storage box, and the aramid fiber fabric obtained in the fourth step penetrates through the production device, one end of the aramid fiber fabric is wound on a winding roller, the winding roller is driven to rotate for winding, in the winding process, dust on the surface of the aramid fiber fabric is firstly blown into a collecting box through an induced draft fan, then spraying a second finishing liquid on the surface of the aramid fiber fabric by using a rotary spray head, recycling the redundant second finishing liquid by using a collecting tank, driving a scraping plate to scrape left and right by using a second cylinder through a link mechanism and an L-shaped swing arm, scraping the second finishing liquid on the surface of the aramid fiber fabric smoothly, and finally winding the aramid fiber fabric onto a winding roller;

Step six, secondary drying: drying the aramid fiber fabric obtained in the fifth step in vacuum at 40-45 ℃ and under 0.9-0.95 MPa;

step seven, water washing: washing the aramid fabric obtained in the sixth step with clear water at the temperature of 30-35 ℃;

Step eight, drying for three times: drying the fabric obtained in the seventh step at 50-60 ℃ to obtain a fabric layer;

and step nine, bonding a fabric layer on the upper surface of the base fabric layer to obtain the tent cloth.

2. The tent cloth of claim 1, wherein the aramid fabric is aramid 1313 fabric or aramid 1414 fabric.

3. The tent cloth according to claim 1, wherein the warp yarn is a mixed fiber a comprising 30 to 40 parts by weight of flax fiber mixed with an anti-microbial agent and 10 to 15 parts by weight of high opacity fiber yarn, and the weft yarn is a mixed fiber B comprising 16 to 20 parts by weight of bamboo charcoal fiber and 30 to 34 parts by weight of cotton fiber.

4. A production device of waterproof and breathable tent cloth is used for the spraying and finishing steps of the tent cloth and is characterized by comprising a box body (1), a dust removal assembly (2), a first guide frame (3), an unwinding roller (4), a second guide frame (5), an adjusting roller (6), a winding roller (7), a connecting frame (8), a swinging assembly (9) and a spraying assembly (10), wherein the unwinding roller (4) is rotatably installed at one end of the top of the box body (1), the dust removal assembly (2) is fixedly installed at one side of the unwinding roller (4), the first guide frame (3) installed at the top of the box body (1) penetrates through the dust removal assembly (2), a plurality of guide rollers used for guiding cloth are installed on the first guide frame (3), and the spraying assembly (10) is arranged at one side, far away from the unwinding roller (4), of the first guide frame (3), a swing assembly (9) is arranged on one side, away from the first guide frame (3), of the spraying assembly (10), a second guide frame (5) mounted at the top of the box body (1) penetrates through the swing assembly (9), a plurality of guide rollers for guiding cloth are mounted on the second guide frame (5), a connecting frame (8) is fixedly mounted at the other end of the top of the box body (1), and an adjusting roller (6) and a winding roller (7) are movably connected onto the connecting frame (8);

The spraying assembly (10) comprises a storage box (11), a hollow support (12), a material receiving groove (13), a base (14) and a rotary spray head (15), the base (14) is fixedly installed at the top of the box body (1), the hollow support (12) is fixedly installed at the top of the base (14), the material receiving groove (13) is fixedly installed in the middle of the hollow support (12), the storage box (11) is fixedly installed at the top of the hollow support (12), and the storage box (11) is connected with the rotary spray head (15) through a pipeline;

Swing subassembly (9) include link mechanism (23), swing support (24), L type swing arm (25), scraper blade (26) and second cylinder (27), swing support (24) fixed mounting is at the top of box (1), the top one end fixed mounting of swing support (24) has second cylinder (27), the telescopic link and link mechanism (23) swing joint of second cylinder (27), link mechanism (23) and L type swing arm (25) swing joint, the one end fixed mounting of L type swing arm (25) has scraper blade (26).

5. the production device of the waterproof and breathable tent cloth according to claim 4, characterized in that a third cylinder (30) is fixedly installed at one side of the connecting frame (8), a piston rod of the third cylinder (30) is connected with a bearing sleeve (28), the bearing sleeve (28) is connected with the adjusting roller (6) through a rotating shaft, and the bearing sleeve (28) is slidably connected with a sliding groove (29) formed in the connecting frame (8).

6. The production device of the waterproof tent cloth with good air permeability as claimed in claim 4, wherein the dust removing component (2) comprises a dust removing support (16), a collecting box (17), a dust removing pipe (18) and an induced draft fan (19), the dust removing support (16) is fixedly mounted on the box body (1), the collecting box (17) is fixedly mounted on the dust removing support (16), the dust removing pipe (18) is arranged right above the collecting box (17), and the dust removing pipe (18) is connected with the induced draft fan (19).

Technical Field

the invention relates to the technical field of tent cloth, in particular to waterproof tent cloth with good air permeability and a production device thereof.

Background

the tent is widely used in field camping of people, plays an important role in rescue and disaster relief, and is not only applied to the field of tent manufacturing because the tent cloth has better quality compared with common cloth;

a tent cloth is disclosed in patent No. CN205044259U, which has good elasticity, but has the following drawbacks: 1. the used fabric has no good antibacterial performance, can not effectively remove bacteria, mosquitoes and the like, and has no softness, comfort and better air permeability; 2. a current spraying apparatus for producing for tent cloth does not set up L type swing arm and drives the scraper blade and scrape about the surface of fabric, scrapes aramid fiber surface second finishing liquid and levels, can not adjust the height of dancer rools simultaneously for the cloth of wind-up roll rolling is fastened more, not loose.

Disclosure of Invention

in order to overcome the technical problems, the invention aims to provide a waterproof tent cloth with good air permeability and a production device thereof.

the purpose of the invention can be realized by the following technical scheme:

The tent cloth with good waterproof and air permeability comprises a base cloth layer and a fabric layer arranged on the base cloth layer, wherein the base cloth layer is woven by interweaving warp yarns and weft yarns, and the fabric layer is aramid fabric;

the tent cloth is prepared by the following steps:

Step one, placing warp yarns and weft yarns on a loom for weaving to obtain a base fabric layer;

Step two, cleaning impurities attached to the surface of the aramid fabric;

step three, softening finishing: adding 5-10 parts of polyether silicone oil into 10-20 parts of ethanol according to the mass parts, stirring and heating to 40-42 ℃, adding 120-140 parts of water, heating to 48-50 ℃ at the heating rate of 2 ℃/min, dropwise adding 1-2 parts of glacial acetic acid, continuously heating to 55 ℃ at the heating rate of 1 ℃/min, adding 1-3 parts of lecithin, uniformly mixing to obtain a first finishing liquid, immersing the aramid fiber fabric into the obtained first finishing liquid, continuously heating to 60-65 ℃ at the heating rate of 1.5 ℃/min, and soaking at constant temperature for 2-3 hours;

step four, primary drying: drying the soft aramid fabric in vacuum at 50-55 ℃ under 0.8-0.9 MPa;

step five, spray finishing: adding 1.5-2.8 parts of sodium fluoborate into 70-80 parts of water, stirring uniformly, heating to 60-70 ℃ at the heating rate of 2 ℃/min, adding 10-12 parts of aqueous fluorocarbon emulsion, stirring uniformly to obtain a second finishing liquid, adding the second finishing liquid into a storage box, and the aramid fiber fabric obtained in the fourth step penetrates through the production device, one end of the aramid fiber fabric is wound on a winding roller, the winding roller is driven to rotate for winding, in the winding process, dust on the surface of the aramid fiber fabric is firstly blown into a collecting box through an induced draft fan, then spraying a second finishing liquid on the surface of the aramid fiber fabric by using a rotary spray head, recycling the redundant second finishing liquid by using a collecting tank, driving a scraping plate to scrape left and right by using a second cylinder through a link mechanism and an L-shaped swing arm, scraping the second finishing liquid on the surface of the aramid fiber fabric smoothly, and finally winding the aramid fiber fabric onto a winding roller;

Step six, secondary drying: drying the aramid fiber fabric obtained in the fifth step in vacuum at 40-45 ℃ and under 0.9-0.95 MPa;

step seven, water washing: washing the aramid fabric obtained in the sixth step with clear water at the temperature of 30-35 ℃;

step eight, drying for three times: drying the fabric obtained in the seventh step at 50-60 ℃ to obtain a fabric layer;

and step nine, bonding a fabric layer on the upper surface of the base fabric layer to obtain the tent cloth.

as a further scheme of the invention: the aramid fabric is aramid 1313 fabric or aramid 1414 fabric.

as a further scheme of the invention: according to the weight portion, the warp yarn is a mixed fiber A composed of 30-40 parts of flax fiber mixed with an insect bacteria removing solvent and 10-15 parts of high-light-shading fiber yarn, and the weft yarn is a mixed fiber B composed of 16-20 parts of bamboo charcoal fiber and 30-34 parts of cotton fiber.

a production device of waterproof and breathable tent cloth comprises a box body, a dust removal assembly, a first guide frame, an unwinding roller, a second guide frame, a regulating roller, a winding roller, a connecting frame, a swinging assembly and a spraying assembly, wherein the unwinding roller is rotatably installed at one end of the top of the box body, the dust removal assembly is fixedly installed on one side of the unwinding roller, the first guide frame installed at the top of the box body penetrates through the dust removal assembly, a plurality of guide rollers used for guiding cloth are installed on the first guide frame, the spraying assembly is arranged on one side, away from the unwinding roller, of the first guide frame, the swinging assembly is arranged on one side, away from the first guide frame, of the spraying assembly, the second guide frame installed at the top of the box body penetrates through the swinging assembly, a plurality of guide rollers used for guiding cloth are installed on the second guide frame, the connecting frame is fixedly installed at the other end of the top of the box body, the connecting frame is movably connected with an adjusting roller and a winding roller;

The spraying assembly comprises a material storage box, a hollow support, a material receiving groove, a base and a rotary spray head, wherein the base is fixedly arranged at the top of the box body, the hollow support is fixedly arranged at the top of the base, the material receiving groove is fixedly arranged in the middle of the hollow support, the material storage box is fixedly arranged at the top of the hollow support, and the material storage box is connected with the rotary spray head through a pipeline;

the swing subassembly includes link mechanism, swing support, L type swing arm, scraper blade and second cylinder, swing support fixed mounting is at the top of box, swing support's top one end fixed mounting has the second cylinder, the telescopic link and the link mechanism swing joint of second cylinder, link mechanism and L type swing arm swing joint, the one end fixed mounting of L type swing arm has the scraper blade.

as a further scheme of the invention: a third air cylinder is fixedly mounted on one side of the connecting frame, a piston rod on the third air cylinder is connected with a bearing sleeve, the bearing sleeve is connected with the adjusting roller through a rotating shaft, and the bearing sleeve is connected with a sliding groove formed in the connecting frame in a sliding mode.

as a further scheme of the invention: the dust removal subassembly includes dust removal support, collecting box, dust removal pipe and draught fan, dust removal support fixed mounting is on the box, fixed mounting has the collecting box on the dust removal support, be provided with the dust removal pipe directly over the collecting box, the dust removal pipe is connected with the draught fan.

The invention has the beneficial effects that:

1. according to the invention, the base cloth layer is woven by the warp yarns formed by the flax fibers and the high-shading-property fiber yarns containing the deinsectization solvent and the weft yarns formed by the bamboo charcoal fibers and the cotton fibers, and the flax fibers, the high-shading-property fiber yarns, the bamboo charcoal fibers and the cotton fibers have good antibacterial performance, so that the tent cloth can effectively remove bacteria and mosquitoes, and the used materials are environment-friendly and accord with green production; the aramid fabric is subjected to softening finishing and spraying finishing, wherein polyether silicone oil, ethanol, glacial acetic acid and lecithin are added into the first finishing liquid, and the fabric finished by the polyether silicone oil is softer, crease-resistant and washable, has the characteristics of strong wool feeling and the like, and is endowed with excellent softness, comfort and air permeability after being uniformly mixed;

2. the production device comprises a collecting box, a draught fan, a dust removing pipe, a rotary spray head, a rotary cylinder, a scraper blade, a collecting roller, a collecting tank, a collecting roller, a collecting tank, a collecting roller, a collecting tank, a collecting roller, a collecting device and a collecting device, wherein the collecting tank is arranged in the collecting tank; the third cylinder is driven to stretch and retract, so that the bearing sleeve is driven to slide up and down in the sliding groove, the distance between the winding roller and the adjusting roller can be adjusted, and the fabric on the winding roller can be wound neatly, tightly and loosely.

drawings

the invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of a production apparatus of the present invention;

FIG. 2 is a schematic diagram of an explosive structure according to the present invention;

FIG. 3 is a schematic view of the overall structure of the dust removing assembly of the present invention;

FIG. 4 is a schematic view of the overall construction of the spray assembly of the present invention;

FIG. 5 is a schematic view of the overall structure of the swing assembly of the present invention;

FIG. 6 is a side view of the connecting frame of the present invention.

in the figure: 1. a box body; 2. a dust removal assembly; 3. a first guide frame; 4. unwinding rollers; 5. a second guide frame; 6. a regulating roller; 7. a wind-up roll; 8. a connecting frame; 9. a swing assembly; 10. a spray assembly; 11. a material storage box; 12. a hollow support; 13. a material receiving groove; 14. a base; 15. a rotary sprinkler; 16. a dust removal bracket; 17. a collection box; 18. a dust removal pipe; 19. an induced draft fan; 23. a link mechanism; 24. a swing bracket; 25. an L-shaped swing arm; 26. a squeegee; 27. a second cylinder; 28. a bearing housing; 29. a chute; 30. and a third cylinder.

Detailed Description

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

referring to fig. 1 to 6, a waterproof and air-permeable tent fabric includes a base fabric layer and a fabric layer disposed on the base fabric layer, the base fabric layer is woven by interweaving warp yarns and weft yarns, and the fabric layer is aramid fabric;

The tent cloth is prepared by the following steps:

Step one, placing warp yarns and weft yarns on a loom for weaving to obtain a base fabric layer;

step two, cleaning impurities attached to the surface of the aramid fabric;

Step three, softening finishing: adding 5-10 parts of polyether silicone oil into 10-20 parts of ethanol according to the mass parts, stirring and heating to 40-42 ℃, adding 120-140 parts of water, heating to 48-50 ℃ at the heating rate of 2 ℃/min, dropwise adding 1-2 parts of glacial acetic acid, continuously heating to 55 ℃ at the heating rate of 1 ℃/min, adding 1-3 parts of lecithin, uniformly mixing to obtain a first finishing liquid, immersing the aramid fiber fabric into the obtained first finishing liquid, continuously heating to 60-65 ℃ at the heating rate of 1.5 ℃/min, and soaking at constant temperature for 2-3 hours;

step four, primary drying: drying the soft aramid fabric in vacuum at 50-55 ℃ under 0.8-0.9 MPa;

Step five, spray finishing: adding 1.5-2.8 parts of sodium fluoborate into 70-80 parts of water, stirring uniformly, heating to 60-70 ℃ at the heating rate of 2 ℃/min, adding 10-12 parts of aqueous fluorocarbon emulsion, stirring uniformly to obtain a second finishing liquid, adding the second finishing liquid into a storage box, and the aramid fiber fabric obtained in the fourth step penetrates through the production device, one end of the aramid fiber fabric is wound on a winding roller, the winding roller is driven to rotate for winding, in the winding process, dust on the surface of the aramid fiber fabric is firstly blown into a collecting box through an induced draft fan, then spraying a second finishing liquid on the surface of the aramid fiber fabric by using a rotary spray head, recycling the redundant second finishing liquid by using a collecting tank, driving a scraping plate to scrape left and right by using a second cylinder through a link mechanism and an L-shaped swing arm, scraping the second finishing liquid on the surface of the aramid fiber fabric smoothly, and finally winding the aramid fiber fabric onto a winding roller;

Step six, secondary drying: drying the aramid fiber fabric obtained in the fifth step in vacuum at 40-45 ℃ and under 0.9-0.95 MPa;

Step seven, water washing: washing the aramid fabric obtained in the sixth step with clear water at the temperature of 30-35 ℃;

step eight, drying for three times: drying the fabric obtained in the seventh step at 50-60 ℃ to obtain a fabric layer;

And step nine, bonding a fabric layer on the upper surface of the base fabric layer to obtain the tent cloth.

The aramid fabric is aramid 1313 fabric or aramid 1414 fabric.

According to the weight portion, the warp yarn is a mixed fiber A composed of 30-40 parts of flax fiber mixed with an insect bacteria removing solvent and 10-15 parts of high-light-shading fiber yarn, and the weft yarn is a mixed fiber B composed of 16-20 parts of bamboo charcoal fiber and 30-34 parts of cotton fiber.

referring to fig. 1-6, a production device of a waterproof and breathable tent cloth, which is used for a step of spraying and finishing the tent cloth, includes a box 1, a dust removal assembly 2, a first guide frame 3, an unwinding roller 4, a second guide frame 5, an adjusting roller 6, a winding roller 7, a connecting frame 8, a swinging assembly 9 and a spraying assembly 10, wherein the unwinding roller 4 is rotatably installed at one end of the top of the box 1, the dust removal assembly 2 is fixedly installed at one side of the unwinding roller 4, the first guide frame 3 installed at the top of the box 1 penetrates through the dust removal assembly 2, a plurality of guide rollers for guiding cloth are installed on the first guide frame 3, the spraying assembly 10 is arranged at one side of the first guide frame 3, which is far away from the unwinding roller 4, the swinging assembly 9 is arranged at one side of the spraying assembly 10, which is far away from the first guide frame 3, the second guide frame 5 installed at the top of the box 1 penetrates through the swinging assembly 9, a plurality of guide rollers for guiding the cloth are arranged on the second guide frame 5, a connecting frame 8 is fixedly arranged at the other end of the top of the box body 1, and an adjusting roller 6 and a winding roller 7 are movably connected onto the connecting frame 8;

the spraying assembly 10 comprises a storage box 11, a hollow support 12, a material receiving groove 13, a base 14 and a rotary spray head 15, wherein the base 14 is fixedly installed at the top of the box body 1, the hollow support 12 is fixedly installed at the top of the base 14, the material receiving groove 13 is fixedly installed in the middle of the hollow support 12, the storage box 11 is fixedly installed at the top of the hollow support 12, and the storage box 11 is connected with the rotary spray head 15 through a pipeline;

Swing subassembly 9 includes link mechanism 23, swing support 24, L type swing arm 25, scraper blade 26 and second cylinder 27, swing support 24 fixed mounting is at the top of box 1, swing support 24's top one end fixed mounting has second cylinder 27, second cylinder 27's telescopic link and link mechanism 23 swing joint, link mechanism 23 and L type swing arm 25 swing joint, the one end fixed mounting of L type swing arm 25 has scraper blade 26.

A third cylinder 30 is fixedly mounted on one side of the connecting frame 8, a piston rod on the third cylinder 30 is connected with a bearing sleeve 28, the bearing sleeve 28 is connected with the adjusting roller 6 through a rotating shaft, and the bearing sleeve 28 is in sliding connection with a sliding groove 29 formed in the connecting frame 8.

dust removal subassembly 2 includes dust removal support 16, collecting box 17, dust removal pipe 18 and draught fan 19, dust removal support 16 fixed mounting is on box 1, fixed mounting has collecting box 17 on the dust removal support 16, be provided with dust removal pipe 18 directly over collecting box 17, dust removal pipe 18 is connected with draught fan 19.

the working principle of the invention is as follows: adding a second finishing liquid into a storage box 11, enabling the obtained aramid fiber fabric to penetrate through a production device, enabling one end of the aramid fiber fabric to be wound on a winding roller 7, driving the winding roller 7 to rotate for winding, blowing dust on the surface of the aramid fiber fabric into a collecting box 17 through an induced draft fan 19 and a dust removal pipe 18 during the winding process, avoiding the influence of the dust on the effect of spraying the second finishing liquid, pumping the second finishing liquid in the storage box 11 to a rotary spray head 15, spraying the second finishing liquid on the surface of the aramid fiber fabric through the rotary spray head 15, enabling the rotary spray head 15 to rotate, enabling the spraying to be more uniform and better in effect, recycling the redundant second finishing liquid through a material collecting groove 13, saving resources and avoiding waste, finally driving an L-shaped swing arm 25 to move left and right through a connecting rod mechanism 23 by a second air cylinder 27, driving a scraper 26 to scrape the surface of the aramid fiber fabric left and right by the L-shaped swing arm 25, the second finishing liquid on the surface of the aramid fiber fabric is scraped flatly, so that the spraying is more uniform, the effect is better, and the aramid fiber fabric is finally wound on a winding roller 7;

The third cylinder 30 is driven to stretch and retract, so that the bearing sleeve 28 is driven to slide up and down in the sliding groove 29, the distance between the winding roller 7 and the adjusting roller 6 can be adjusted, and the fabric on the winding roller 7 can be wound neatly and tightly.

in the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

the foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.