Waterproof and breathable outdoor tent and production process thereof
阅读说明：本技术 一种防水透气的户外帐篷及其生产工艺 (Waterproof and breathable outdoor tent and production process thereof ) 是由 王志 于 2020-08-05 设计创作，主要内容包括：本发明公开了一种防水透气的户外帐篷,包括帐篷本体；帐篷本体包括帆布和帐篷支架,帆布套设在帐篷支架上,帐篷支架包括折叠支架、顶梁；顶梁的两侧分别设置有三角形的折叠支架；第一支撑杆的顶端与顶梁活动连接,两组的第一支撑杆之间设置有第二支撑杆,第二支撑杆的顶端与顶梁活动连接,第二支撑杆的外壁上滑动套设有第一套管,第一套管的两侧分别活动设置有第一活动杆,第一活动杆的另一端与第一支撑杆的底端活动连接；第二活动杆沿着中心管对称设置,且第二活动杆的一端贯穿至中心管的内腔,并与中心管滑动连接,第二活动杆的另一端套设有第二套管；本发明不仅具有着防水透气的作用,还具有着折叠收缩,便于携带使用的优点。(The invention discloses a waterproof and breathable outdoor tent, which comprises a tent body; the tent body comprises canvas and a tent bracket, the canvas is sleeved on the tent bracket, and the tent bracket comprises a folding bracket and a top beam; two sides of the top beam are respectively provided with a triangular folding bracket; the top ends of the first support rods are movably connected with the top beam, a second support rod is arranged between the two groups of first support rods, the top ends of the second support rods are movably connected with the top beam, a first sleeve is slidably sleeved on the outer wall of each second support rod, first movable rods are movably arranged on two sides of each first sleeve respectively, and the other ends of the first movable rods are movably connected with the bottom ends of the first support rods; the second movable rods are symmetrically arranged along the central tube, one ends of the second movable rods penetrate through the inner cavity of the central tube and are in sliding connection with the central tube, and the other ends of the second movable rods are sleeved with second sleeves; the invention not only has the functions of water resistance and ventilation, but also has the advantages of folding and contraction and convenient carrying and use.)
1. A waterproof ventilative outdoor tent which characterized in that: comprises a tent body;
the tent body comprises a canvas (1) and a tent support (2), the canvas (1) is sleeved on the tent support (2), and the tent support (2) comprises a folding support and a top beam; two sides of the top beam are respectively provided with a triangular folding bracket;
the folding bracket comprises a first supporting rod (3), a second supporting rod (4), a first movable rod (5) and a first sleeve (6); the supporting device comprises first supporting rods (3), a second supporting rod (4), a top end of the second supporting rod (4), a top beam, a first sleeve (6), first movable rods (5), a first fastening bolt, a second supporting rod (4), a first sleeve (6) and a second supporting rod (3), wherein the first supporting rods (3) are symmetrically arranged along the top beam, the top ends of the first supporting rods (3) are movably connected with the top beam, the outer wall of the second supporting rod (4) is sleeved with the first sleeve in a sliding mode, the two sides of the first sleeve (6) are respectively and movably provided with the first movable rods (5), the other end of each first movable rod (5) is movably connected with the bottom end of each first supporting rod (3), and the first sleeve (6) is provided with the first fastening bolt in a penetrating;
the top beam comprises a second sleeve (7), a second movable rod (8) and a central tube (9); second movable rod (8) set up along center tube (9) symmetry, and the one end of second movable rod (8) runs through to the inner chamber of center tube (9), and with center tube (9) sliding connection, the both sides of center tube (9) run through and are provided with second fastening bolt, and be connected with second movable rod (8) through second fastening bolt, another pot head of second movable rod (8) is equipped with second sleeve pipe (7), run through on second sleeve pipe (7) and be provided with third fastening bolt, and be connected with second movable rod (8) through third fastening bolt, the top of first bracing piece (3) and second bracing piece (4) all with the outer wall swing joint of second sleeve pipe (7).
2. A process for manufacturing a waterproof breathable outdoor tent according to claim 1, characterized in that the process for manufacturing a waterproof breathable outdoor tent comprises the following steps:
s1, adding the nano particle material into an organic solvent, sealing, heating and stirring, cooling to room temperature to obtain a colloid spraying liquid, inputting the colloid spraying liquid into a storage tank (23) for temporary storage, penetrating the cloth along a feed inlet at the bottom of the processing box body (10), passing through a spraying plate (16) in a first channel (21), a second limiting roller (18) and a first limiting roller (15) on a second channel (22), and passing through a discharge hole at the top of the processing box body (10) between two groups of blowing devices (14) in an oven (20);
s2, starting a material conveying pump (24) to spray colloid spraying liquid in a material storage tank (23) onto the surface of the cloth along a material discharging pipe (26) and a material spraying plate (16), wherein the material spraying plate (16) is of a rectangular frame structure, and material spraying holes (17) are formed in the upper side and the lower side of the material spraying plate (16) respectively, so that the material spraying plate (16) sprays two surfaces of the cloth simultaneously, and then the sprayed cloth is transmitted along a second limiting roller (18) and a first limiting roller (15);
s3, the cloth enters the oven (20) along the first limiting roller (15), the electric heating plate (33) and the driving motor (12) are started to work, the driving motor (12) drives the rotating shafts (28) to rotate, the other ends of the rotating shafts (28) are connected with the belt pulleys (13), the two groups of belt pulleys (13) are connected with each other through a belt, the two groups of rotating shafts (28) rotate simultaneously, multiple groups of driving bevel gears (29) are arranged on the outer wall of the rotating shafts (28) at equal intervals, the driving bevel gears (29) are meshed with the driven bevel gears (30) to be connected, the connecting shafts (31) drive the fan blades (32) to rotate, heat generated by the electric heating plate (33) is blown to the two surfaces of the cloth simultaneously, and then, the dry-formed fabric is cut into canvas (1) and the canvas (1) is bound on the tent support (2).
3. The production process of the waterproof and breathable outdoor tent according to claim 2, characterized in that a partition plate (34) is arranged inside the processing box body (10), a material spraying box (19) and an oven (20) are arranged on one side of the partition plate (34), the material spraying box (19) is positioned under the oven (20), a first channel (21) is arranged under the material spraying box (19), a second channel (22) is arranged on the other side of the partition plate (34), the second channel (22) is respectively communicated with the first channel (21) and the oven (20), and a discharge port and a feed port are respectively arranged on the upper side and the lower side of the processing box body (10).
4. The production process of the waterproof and breathable outdoor tent according to claim 3, characterized in that a material spraying device (11) is arranged in the material spraying box (19), the material spraying device (11) comprises a material storage tank (23), a material conveying pump (24), a mounting frame (25), a material discharging pipe (26), a material spraying plate (16) and a material spraying hole (17), the material storage tank (23) and the material conveying pump (24) are arranged on the mounting frame (25), the mounting frame (25) is arranged on the inner wall of the processing box body (10), the material discharging end of the material storage tank (23) is connected with the material discharging pipe (26) through the material conveying pump (24), the material discharging end of the material discharging pipe (26) is connected with the material spraying plate (16), the material spraying plate (16) is positioned in the first channel (21), and the material spraying plate (16) is of a rectangular frame structure, and the upper and lower sides of the material spraying plate (16) are respectively provided with material spraying holes (17).
5. The production process of the waterproof and breathable outdoor tent according to claim 3, wherein the second channel (22) is provided with a first limiting roller (15) and a second limiting roller (18), the first limiting roller (15) and the second limiting roller (18) have the same structure and are composed of two groups of parallel roller shafts, and the first limiting roller (15) is positioned right above the second limiting roller (18).
6. A production process of a waterproof and breathable outdoor tent according to claim 3, characterized in that the oven (20) comprises a driving motor (12), a belt pulley (13), a blowing device (14), an electric heating plate (33); the electric heating plates (33) are respectively arranged on the upper side wall and the lower side wall of the oven (20), the blowing devices (14) are symmetrically arranged along the oven (20), and the blowing devices (14) are positioned between the two groups of electric heating plates (33).
7. The production process of the waterproof and breathable outdoor tent of claim 6, wherein the blowing device (14) comprises a frame body (27), a rotating shaft (28), a driving bevel gear (29), a driven bevel gear (30), a connecting shaft (31) and fan blades (32); the frame body (27) is installed on the inner wall of the oven (20), a rotating shaft (28) is arranged in the frame body (27) in a rotating mode, multiple groups of driving bevel gears (29) are arranged on the outer wall of the rotating shaft (28) at equal intervals, the driving bevel gears (29) are meshed with the driven bevel gears (30) and connected with one ends of the connecting shafts (31) and the driven bevel gears (30), the other ends of the connecting shafts (31) penetrate through the frame body (27) and are connected with fan blades (32), one ends of the rotating shafts (28) extend out of the frame body (27), the other ends of the rotating shafts (28) are connected with the belt pulleys (13), one group of rotating shafts (28) are connected with the output end of the driving motor (12), two groups of belt pulleys (13) are connected with one another through belts, and the driving motor (12) is arranged.
8. The process of claim 2, wherein in S1, the nanoparticle material is PDMS, PVDF or PTFE; the organic solvent is n-hexane.
Technical Field
The invention belongs to the technical field of tents, and relates to an outdoor tent and a production process thereof, in particular to a waterproof and breathable outdoor tent and a production process thereof.
Background
People can generally take the tent when going out for camping, the place of selecting camping is generally in the field, some places in the field are more humid, and general tent can be drenched when meeting raining suddenly moreover, and inside also can become humid, lets the people can't have a rest in the tent, also does not have the place of taking shelter from the rain temporarily.
The reference CN111118912A discloses a method for producing waterproof tent cloth, which comprises adding methyl acrylate, ethyl acrylate and butyl acrylate into a reaction kettle in proportion, then adding an initiator and a related auxiliary agent for prepolymerization reaction, adding organic silicon into another reaction kettle, adding an end-capping agent and a catalyst for telomerization reaction, then removing low-boiling-point substances in vacuum, adding the products of the prepolymerization reaction and the telomerization reaction, namely the acrylate prepolymer, the organic silicon telomer, the catalyst and the related auxiliary agents into a copolymerization kettle in proportion, heating and refluxing for graft copolymerization, adding a certain amount of solvent in due time in the reaction process to obtain waterproof glue, uniformly coating the obtained waterproof glue on tent base cloth, putting the tent base cloth into an oven for drying, and cooling to obtain the waterproof tent cloth.
Disclosure of Invention
The invention aims to solve the problems that the cloth of the outdoor tent in the prior art has poor waterproof performance and air permeability, and the production process and the used equipment are complex when the outdoor tent is produced, so that the efficiency of producing the tent is low; in addition, although the traditional outdoor tent can be folded and contracted, the folded tent is still integrated, the folding effect is general, the whole volume after being folded also occupies a larger space, and the use is inconvenient, so that the waterproof and breathable outdoor tent and the production process thereof are provided.
The purpose of the invention can be realized by the following technical scheme:
a waterproof and breathable outdoor tent comprises a tent body;
the tent body comprises canvas and a tent bracket, the canvas is sleeved on the tent bracket, and the tent bracket comprises a folding bracket and a top beam; two sides of the top beam are respectively provided with a triangular folding bracket;
the folding bracket comprises a first supporting rod, a second supporting rod, a first movable rod and a first sleeve; the first support rods are symmetrically arranged along the top beam, the top ends of the first support rods are movably connected with the top beam, a second support rod is arranged between the two groups of first support rods, the top ends of the second support rods are movably connected with the top beam, a first sleeve is slidably sleeved on the outer wall of each second support rod, first movable rods are movably arranged on two sides of each first sleeve respectively, the other ends of the first movable rods are movably connected with the bottom ends of the first support rods, and first fastening bolts penetrate through the first sleeves and are connected with the second support rods through the first fastening bolts;
the top beam comprises a second sleeve, a second movable rod and a central tube; the second movable rod is arranged along the center tube symmetrically, one end of the second movable rod penetrates through the inner cavity of the center tube and is connected with the center tube in a sliding mode, second fastening bolts penetrate through the two sides of the center tube and are arranged, the second fastening bolts are connected with the second movable rod through the second fastening bolts, the other end of the second movable rod is sleeved with a second sleeve, third fastening bolts penetrate through the second sleeve and are arranged on the second sleeve, the second sleeve is connected with the second movable rod through the third fastening bolts, and the top ends of the first support rod and the second support rod are connected with the outer wall of the second sleeve in a movable mode.
A production process of a waterproof and breathable outdoor tent comprises the following steps:
s1, adding the nano particle material into an organic solvent, sealing, heating and stirring, cooling to room temperature to obtain a colloid spraying liquid, inputting the colloid spraying liquid into a storage tank for temporary storage, penetrating the cloth along a feed inlet at the bottom of the processing box body, passing the cloth through a spray plate in a first channel, a second limiting roller and a first limiting roller on a second channel, and passing the cloth out from a discharge outlet at the top of the processing box body between two groups of blowing devices in an oven;
s2, starting a material conveying pump to spray the colloid spraying liquid in the material storage tank onto the surface of the cloth along the material discharging pipe and the material spraying plate, wherein the material spraying plate is of a rectangular frame structure, and material spraying holes are formed in the upper side and the lower side of the material spraying plate respectively, so that the material spraying plate can spray two sides of the cloth at the same time, and then the sprayed cloth is driven along the second limiting roller and the first limiting roller;
s3, the cloth enters into the oven along first spacing roller in, start electric heating board and driving motor work, driving motor drives a set of pivot and rotates, because the other end and the belt pulley connection of pivot, pass through belt interconnect between two sets of belt pulleys, make two sets of pivot rotate simultaneously, equidistant drive bevel gear that is provided with the multiunit on the outer wall of pivot, drive bevel gear is connected with driven bevel gear meshing, make the connecting axle drive flabellum rotate, thereby blow the heat that the electric heating board produced simultaneously to the two sides of cloth, then, dry fashioned surface fabric is sheared into the canvas and is binded the canvas on the tent support.
Preferably, the inside of processing box is provided with the baffle, and one side of baffle is provided with spouts workbin, oven, spouts the workbin and is located the oven under, is provided with first passageway under spouting the workbin, and the opposite side of baffle is provided with the second passageway, and the second passageway communicates with first passageway, oven respectively, and the upper and lower both sides of processing box set up discharge gate and feed inlet respectively.
Preferably, it spouts the material device to be provided with in the spray box, it includes the storage tank to spout the material device, the delivery pump, the installation frame, the discharging pipe, spout the flitch, spout the material hole, storage tank and delivery pump set up on the installation frame, the installation frame sets up on the inner wall of processing box, the discharge end of storage tank passes through the delivery pump and is connected with the discharging pipe, the discharge end of discharging pipe with spout the flitch and be connected, it is located first passageway to spout the flitch, it is rectangular frame construction to spout the flitch, and spout the upper and lower both sides of flitch and be provided with respectively and spout the material hole.
Preferably, the second channel is provided with a first limiting roller and a second limiting roller, the first limiting roller and the second limiting roller are identical in structure and are composed of two groups of parallel roller shafts, and the first limiting roller is located right above the second limiting roller.
Preferably, the oven comprises a driving motor, a belt pulley, a blowing device and an electric heating plate; the electric heating plates are respectively arranged on the upper side wall and the lower side wall of the oven, the blowing devices are symmetrically arranged along the oven, and the blowing devices are positioned between the two groups of electric heating plates.
Preferably, the blowing device comprises a frame body, a rotating shaft, a driving bevel gear, a driven bevel gear, a connecting shaft and fan blades; the framework is installed on the inner wall of oven, and the framework internal rotation is provided with the pivot, equidistant drive bevel gear who is provided with the multiunit on the outer wall of pivot, drive bevel gear is connected with driven bevel gear meshing, the one end and the driven bevel gear of connecting axle are connected, the other end of connecting axle passes the framework, and be connected with the flabellum, the one end of pivot extends outside the framework, and the other end and the belt pulley connection of pivot, a set of pivot is connected with driving motor's output, through belt interconnect between two sets of belt pulleys, driving motor passes through branch setting on the outer wall of oven.
Preferably, in S1, the nanoparticle material is PDMS, PVDF or PTFE; the organic solvent is n-hexane.
Compared with the prior art, the invention has the beneficial effects that: the outer wall of the second support rod is sleeved with a first sleeve in a sliding manner, two sides of the first sleeve are respectively and movably provided with a first movable rod, the other end of the first movable rod is movably connected with the bottom end of the first support rod, so that the triangular folding bracket can be folded and contracted by loosening a first fastening bolt on the second support rod, meanwhile, one end of the second movable rod penetrates through the inner cavity of the central tube and is connected with the central tube in a sliding manner, the other end of the second movable rod is sleeved with a second sleeve, so that the triangular folding bracket can be detached from the top beam, and the top beam can also be contracted; therefore, the outdoor tent not only has the waterproof and breathable effects, but also has the advantages of folding and shrinking, and convenient carrying and use;
adding a nano particle material into an organic solvent, sealing, heating and stirring, then cooling to room temperature to obtain a colloid spraying liquid, inputting the colloid spraying liquid into a storage tank for temporary storage, then penetrating a cloth along a feed inlet at the bottom of a processing box body, passing through a spray plate in a first channel, a second limiting roller on a second channel, a first limiting roller and two groups of blowing devices in an oven, and then penetrating out from a discharge outlet at the top of the processing box body;
the material conveying pump is started to spray the colloidal spraying liquid in the material storage tank onto the surface of the cloth along the material discharging pipe and the material spraying plate, the material spraying plate is of a rectangular frame structure, material spraying holes are formed in the upper side and the lower side of the material spraying plate respectively, so that the material spraying plate can spray two sides of the cloth at the same time, then the sprayed cloth is transmitted along the second limiting roller and the first limiting roller, and the first limiting roller and the second limiting roller are arranged on the second channel, so that the first limiting roller and the second limiting roller have a limiting effect on the transmission of the cloth, and the colloidal spraying liquid on the cloth can be uniformly coated; the material spraying device has a simple structure, can spray colloid spraying liquid on two sides of the cloth simultaneously, greatly improves the production and processing efficiency of the cloth, and has waterproof and breathable functions on the inner side and the outer side of the cloth;
the cloth enters the oven along a first limiting roller, an electric heating plate and a driving motor are started to work, the driving motor drives a group of rotating shafts to rotate, the other end of each rotating shaft is connected with a belt pulley, the two groups of belt pulleys are connected with each other through a belt, the two groups of rotating shafts rotate simultaneously, multiple groups of driving bevel gears are arranged on the outer wall of each rotating shaft at equal intervals, the driving bevel gears are meshed with driven bevel gears, connecting shafts drive fan blades to rotate, heat generated by the electric heating plate is blown to the two sides of the cloth simultaneously, and then the dry and molded fabric is cut into canvas and the canvas is bound on a tent support; the arranged blowing device can drive a plurality of groups of fan blades to blow by taking a group of driving motors as output ends, so that the drying of fabrics with different sizes is met, the drying working area is greatly increased, the drying and forming efficiency of the fabrics sprayed with the colloid spraying liquid is greatly increased, and the forming efficiency of the waterproof breathable fabrics is further increased;
the production process of the outdoor tent adopts the colloid spraying liquid prepared by the sol-gel method, the chemical raw materials are halogen-free, low-toxicity and environment-friendly in the preparation process, the limited oxygen index of the waterproof breathable fabric is high, the fabric can be endowed with good hydrophobic and breathable functions, and the waterproof breathable fabric has excellent wear resistance and water washing resistance.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic perspective view of a tent body according to the present invention.
Fig. 2 is a side view of the folding stand of the present invention.
Fig. 3 is a schematic view of the construction of the cap of the present invention.
Fig. 4 is a schematic view of the internal structure of the processing tank of the present invention.
FIG. 5 is a schematic perspective view of the connection relationship between the material spraying box and the oven in the present invention.
Fig. 6 is a side view of the interior of the processing tank of the present invention.
In the figure: 1. canvas; 2. a tent frame; 3. a first support bar; 4. a second support bar; 5. a first movable bar; 6. a first sleeve; 7. a second sleeve; 8. a second movable bar; 9. a central tube; 10. processing the box body; 11. a material spraying device; 12. a drive motor; 13. a belt pulley; 14. a blowing device; 15. a first limit roller; 16. a material spraying plate; 17. a material spraying hole; 18. a second limit roller; 19. a material spraying box; 20. an oven; 21. a first channel; 22. a second channel; 23. a material storage tank; 24. a delivery pump; 25. a mounting frame; 26. a discharge pipe; 27. a frame body; 28. a rotating shaft; 29. a drive bevel gear; 30. a driven bevel gear; 31. a connecting shaft; 32. a fan blade; 33. an electrical heating plate; 34. a separator.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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. 1-6, a waterproof and breathable outdoor tent includes a tent body;
the tent body comprises a canvas 1 and a tent support 2, the canvas 1 is sleeved on the tent support 2, and the tent support 2 comprises a folding support and a top beam; two sides of the top beam are respectively provided with a triangular folding bracket;
the folding bracket comprises a first supporting
the top beam comprises a second sleeve 7, a second movable rod 8 and a central pipe 9; second movable rod 8 sets up along center tube 9 symmetry, and the one end of second movable rod 8 runs through to the inner chamber of center tube 9, and with center tube 9 sliding connection, the both sides of center tube 9 are run through and are provided with second fastening bolt, and be connected with second movable rod 8 through second fastening bolt, another pot head of second movable rod 8 is equipped with second sleeve 7, run through on the second sleeve 7 and be provided with third fastening bolt, and be connected with second movable rod 8 through third fastening bolt, the top of first bracing
A production process of a waterproof and breathable outdoor tent comprises the following steps:
s1, adding the nano particle material into an organic solvent, sealing, heating and stirring, cooling to room temperature to obtain a colloid spraying liquid, inputting the colloid spraying liquid into a
s2, starting the material delivery pump 24 to spray the colloid spraying liquid in the
s3, the cloth enters the
A
It spouts
The
The
The blowing device 14 comprises a frame 27, a rotating shaft 28, a driving bevel gear 29, a driven bevel gear 30, a connecting shaft 31 and fan blades 32; the frame 27 is installed on the inner wall of the
In S1, the nanoparticle material is PDMS, PVDF, or PTFE; the organic solvent is normal hexane, the production process of the outdoor tent adopts the colloid spraying liquid prepared by the sol-gel method, the chemical raw materials are halogen-free and low-toxicity in the preparation process and are harmless to the environment, the limited oxygen index of the waterproof breathable fabric is higher, the fabric can be endowed with better hydrophobic and breathable functions, and the waterproof breathable fabric has excellent wear resistance and water washing resistance.
The working principle of the invention is as follows: the outer wall of the
adding a nano particle material into an organic solvent, sealing, heating and stirring, cooling to room temperature to obtain a colloid spraying liquid, inputting the colloid spraying liquid into a
starting a material conveying pump 24 to spray the colloidal spraying liquid in the
the cloth enters the oven 20 along the first limiting roller 15, the electric heating plate 33 and the driving motor 12 are started to work, the driving motor 12 drives one group of rotating shafts 28 to rotate, the other end of each rotating shaft 28 is connected with the belt pulley 13, the two groups of belt pulleys 13 are connected with each other through a belt, so that the two groups of rotating shafts 28 rotate simultaneously, multiple groups of driving bevel gears 29 are arranged on the outer wall of each rotating shaft 28 at equal intervals, the driving bevel gears 29 are meshed with the driven bevel gears 30, the connecting shaft 31 drives the fan blades 32 to rotate, heat generated by the electric heating plate 33 is blown to two sides of the cloth at the same time, and then, the dry and molded fabric is cut into canvas 1 and the canvas 1 is bound on the tent support 2; the arranged blowing device 14 can drive a plurality of groups of fan blades 32 to blow by taking a group of driving motors 12 as output ends, so that the requirement of drying fabrics with different sizes is met, the working area of drying is greatly increased, the efficiency of drying and forming after spraying colloid spraying liquid on the fabrics is greatly increased, and the efficiency of forming the waterproof breathable fabrics is further increased;
the production process of the outdoor tent adopts the colloid spraying liquid prepared by the sol-gel method, the chemical raw materials are halogen-free, low-toxicity and environment-friendly in the preparation process, the limited oxygen index of the waterproof breathable fabric is high, the fabric can be endowed with good hydrophobic and breathable functions, and the waterproof breathable fabric has excellent wear resistance and water washing resistance.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
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