阅读说明：本技术 一种包装袋 (Packaging bag ) 是由 刘家岐 刘文峰 黄颖 刘彬彬 王伟 孙彦 于 2019-08-26 设计创作，主要内容包括：本发明公开了一种包装袋,涉及包装袋领域,包括袋体和不干胶带,所述袋体内壁设有若干组分割部,所述分割部包含两个所述的不干胶带,且两个不干胶带分别设置于不同的袋体内侧壁,所述袋体的四个角设有圆角,所述袋体在生产过程中的切角装置包括底座、液压缸、固定件、圆柱体、压块、切角刀、第一螺栓、固定架、联动杆和第二螺栓,通过在袋内设置的不干胶带,在放置不同类型的物品时,可将相对应的不干胶带的保护层撕开,并粘结在一起,这样即可将包装袋分为多个独立的空间,避免了相互掺杂；在生产时,对于不同类型的包装袋,调节圆柱体,使与该类型包装袋圆弧角半径相对应的切角刀转动至切角位置,通过这种切角装置可以灵活方便的更换切角刀。(The invention discloses a packaging bag, which relates to the field of packaging bags and comprises a bag body and adhesive tapes, wherein a plurality of groups of partition parts are arranged on the inner wall of the bag body, each partition part comprises two adhesive tapes, the two adhesive tapes are respectively arranged on the inner side walls of different bag bodies, the four corners of the bag body are provided with round corners, a corner cutting device of the bag body in the production process comprises a base, a hydraulic cylinder, a fixing part, a cylinder, a pressing block, a corner cutting knife, a first bolt, a fixing frame, a linkage rod and a second bolt, and through the adhesive tapes arranged in the bag, when different types of articles are placed, a protective layer of the corresponding adhesive tapes can be torn and bonded together, so that the packaging bag can be divided into a plurality of independent spaces, and mutual doping is avoided; during production, the cylinders are adjusted for different types of packaging bags, so that the corner cutting knife corresponding to the arc corner radius of the packaging bag of the type is rotated to the corner cutting position, and the corner cutting knife can be flexibly and conveniently replaced through the corner cutting device.)

1. A kind of wrapping bag, its characterized in that: including the bag body (1) and non-setting adhesive area (2), bag body (1) inner wall is equipped with a plurality of groups of divisions, the division contains two non-setting adhesive area (2), and two non-setting adhesive area (2) set up respectively in the bag body (1) inside wall of difference, non-setting adhesive area (2) are from the vertical setting of the opening part of the bag body (1) and extend to the bottom of the bag body (1), four angles of the bag body (1) are equipped with the fillet.

2. A package as claimed in claim 1, wherein: including joint strip (3), bag body (1) inner wall fixedly connected with and non-setting adhesive tape (2) one-to-one joint strip (3), non-setting adhesive tape (2) are fixed in bag body (1) inner wall through joint strip (3).

3. The utility model provides a wrapping bag corner cut device which characterized in that: the bag body (1) according to claim 1 to 2, wherein the corner cutting device in the production process comprises a base (4), a hydraulic cylinder (5), a fixing piece (6), a cylinder (11), a pressing block (13), a corner cutting knife (14), a first bolt (15), a fixing frame (16), a linkage rod (17) and a second bolt (19), the hydraulic cylinder (5) is positioned above the base (4), the hydraulic cylinder (5) is fixed on the base (4) through the fixing piece (6), the middle position of the fixing frame (16) is fixedly connected with an output shaft of the hydraulic cylinder (5), two support legs at two sides of the fixing frame (16) are provided with linkage grooves (18), the central positions of two end faces of the cylinder (11) are respectively and fixedly connected with the linkage rod (17), and the linkage rod (17) is rotatably connected with the corresponding linkage grooves (18), the side surface of cylinder (11) is equipped with a plurality of spread groove (12), briquetting (13) pass through first bolt (15) be fixed in spread groove (12) in, the one end of briquetting (13) extends to outside spread groove (12), and the both sides of this end respectively with corner cutter (14) fixed connection, every briquetting (13) fixed connection's corner cutter (14) the radius diverse for cut out different radial fillets, gangbar (17) side surface is equipped with a plurality of bolt holes (20), works as cylinder (1) rotates suitable angle, when making corresponding corner cutter (14) under pneumatic cylinder (5) drive to bag body (1) corner cut, passes through second bolt (19), make its and corresponding bolt hole (20) match, with the axial position of cylinder (1) fixed.

4. The corner cutting device for the packaging bag according to claim 3, wherein: the connecting groove (2) is provided with four connecting grooves, and after the pressing blocks (13) are fixed on the connecting grooves (2) through the first bolts (15), the adjacent pressing blocks (13) are perpendicular to each other.

5. The corner cutting device for the packaging bag according to claim 3, wherein: the pressing block (13) comprises a rear pressing block (131), a front pressing block (132), a second connecting plate (135), a second screw rod (136) and side plates (137), the rear pressing block (131) is fixed in the connecting groove (12) through a first bolt (15), the front end face of the rear pressing block (131) is provided with a front end groove (133), the bottom of the front end groove (133) is provided with a bottom groove (134), the side wall of the front end groove (133) is provided with side grooves (138), the front pressing block (132) is provided with two pressing blocks and located in the front end groove (133) and is connected with the front end groove (133) in a sliding mode, the side face of the front pressing block (132) is provided with the side plates (137) which are connected with the side grooves (138) in a sliding mode, the bottom of the front pressing block (132) is provided with the second connecting plate (135) which is connected with the bottom groove (134) in a sliding mode, the second screw rod (136) penetrates through the bottom groove (134), and one end of the side wall of, the other end of the front pressing block penetrates through the bottom groove (134) and extends to the outside of the rear pressing block (131), the second screw (136) is in threaded connection with the second connecting plate (135), when the second screw (136) rotates, the moving directions of the two rear pressing blocks (132) are opposite, and the outer side face of the front pressing block (132) is fixedly connected with the chamfering knife (14).

6. The corner cutting device for the packaging bag according to claim 3, wherein: also comprises a first screw rod (7), a limit plate (8) and a first connecting plate (9), the upper end surface of the base (4) is provided with a sliding chute (10), the number of the limiting plates (8) is two, and are symmetrically arranged on the upper end surface of the base (4), the bottom of the limit plate (8) is provided with the first connecting plate (9), the first connecting plate (9) is connected with the sliding groove (10) in a sliding way, the first screw (7) penetrates through the sliding groove (10), one end of the connecting rod is connected with the side wall of the sliding chute (10) through a bearing, the other end of the connecting rod penetrates through the sliding chute (10), and extends to the outside of the base (4), when the first screw (7) rotates, the moving directions of the two limit plates (8) are opposite, after the bag body (1) is placed between the two limit plates (8) and the adjustment is completed, the two corner cutters (14) are respectively positioned right above two corners of the bag body (1).

7. The corner cutting device for the packaging bag according to claim 6, wherein: including spacing end (21), the one end fixedly connected with of limiting plate (8) spacing end (21), L shape is constituteed with limiting plate (8) to spacing end (21), and when the edge that bag body (1) needs the corner cut and spacing end (21) contact, two corner knives (14) are located directly over two corners of the bag body (1) respectively, the radius of corner knife (14) is greater than the length that spacing end (21) stretched out limiting plate (8) side.

8. The corner cutting device for the packaging bag according to claim 6, wherein: including stopper (23), fixed block (25) and spring (27), base (4) are equipped with stable groove (22), stopper (23) and stable groove (22) sliding connection, when the edge that bag body (1) needs the corner cut contacts with stopper (23), two corner cutters (14) are located the bag body (1) two corners directly over respectively, the bottom of base (4) is at the fixed position connection of stable groove (22) fixed block (25), the inside of fixed block (25) is equipped with inside groove (26) that are linked together with stable groove (22), the bottom fixed connection of the one end of spring (27) and inside groove (26), the other end of spring (27) and the bottom fixed connection of stopper (23).

Technical Field

The invention relates to the field of packaging bags, in particular to a packaging bag.

Background

The packaging bags comprise a single-layer packaging bag and a multi-layer packaging bag, which can be a breathable packaging bag and an airtight packaging bag, different types can be selected according to different articles, the packaging bags are common in life, and manufacturers are numerous.

The applicant found that: the space is single in current wrapping bag, if place the article of different grade type, can cause and adulterate each other, and the wrapping bag is when cutting the arc angle in addition, and to the wrapping bag of different models, the radius of arc angle is also different, waste time when changing the corner cutter, and is also inflexible moreover.

Disclosure of Invention

In view of the above, an object of the present invention is to provide a packaging bag, so as to solve the technical problems in the prior art that the space inside the existing packaging bag is single, if different types of articles are placed, mutual mixing is caused, and when the packaging bag is used for cutting arc corners, the radiuses of the arc corners are different for different types of packaging bags, so that time is wasted when the corner cutter is replaced, and the packaging bag is also inflexible.

The invention provides a packaging bag based on the aim, which comprises a bag body and adhesive tapes, wherein a plurality of groups of division parts are arranged on the inner wall of the bag body, each division part comprises two adhesive tapes, the two adhesive tapes are respectively arranged on the inner side walls of different bag bodies, the adhesive tapes are vertically arranged from an opening of the bag body and extend to the bottom of the bag body, and the four corners of the bag body are provided with round corners.

Further, including the joint strip, bag inner wall fixedly connected with and non-setting adhesive tape one-to-one the joint strip, the non-setting adhesive tape is fixed in bag inner wall through the joint strip.

Furthermore, as for the bag body, the corner cutting device in the production process comprises a base, a hydraulic cylinder, a fixing part, a cylinder, pressing blocks, corner cutters, a first bolt, a fixing frame, a linkage rod and a second bolt, wherein the hydraulic cylinder is positioned above the base, the hydraulic cylinder is fixed on the base through the fixing part, the middle position of the fixing frame is fixedly connected with an output shaft of the hydraulic cylinder, two support legs at two sides of the fixing frame are provided with linkage grooves, the linkage rod is fixedly connected with the central positions of two end faces of the cylinder respectively, the linkage rod is rotatably connected with the corresponding linkage groove, a plurality of connecting grooves are arranged on the side surface of the cylinder, the pressing blocks are fixed in the connecting grooves through the first bolt, one end of each pressing block extends out of the connecting groove, two sides of the end are fixedly connected with the corner cutters respectively, and the radiuses of the corner cutters fixedly connected with the pressing blocks are different, the linkage rod is used for cutting out fillets with different radiuses, a plurality of bolt holes are formed in the side surface of the linkage rod, when the cylinder rotates by a proper angle, the corresponding corner cutting knife is driven by the hydraulic cylinder to cut corners of the bag body, the second bolt is matched with the corresponding bolt hole, and the axial position of the cylinder is fixed.

Furthermore, the connecting groove is provided with four connecting grooves, and after the pressing blocks are fixed in the connecting grooves through the first bolts, the adjacent pressing blocks are perpendicular to each other.

Furthermore, the pressing block comprises a rear pressing block, a front pressing block, a second connecting plate, a second screw rod and side plates, the rear pressing block is fixed in the connecting groove through a first bolt, a front end groove is formed in the front end face of the rear pressing block, a bottom groove is formed in the bottom of the front end groove, side grooves are formed in the side walls of the front end groove, two front pressing blocks are arranged and located in the front end groove and are in sliding connection with the front end groove, the side plates in sliding connection with the side grooves are arranged on the side faces of the front pressing block, the second connecting plate in sliding connection with the bottom groove is arranged at the bottom of the front pressing block, the second screw rod penetrates through the bottom groove, one end of the second screw rod is connected with the side walls of the bottom groove through a bearing, the other end of the second screw rod penetrates through the bottom groove and extends to the outer portion of the rear pressing block, the second screw rod is in threaded connection with the second connecting plate, the outer side surface of the front pressing block is fixedly connected with the corner cutter.

Further, still include first screw rod, limiting plate and first connecting plate, the up end of base is equipped with the spout, the limiting plate is equipped with two, and the symmetry sets up the up end at the base, and the bottom of limiting plate is equipped with first connecting plate, first connecting plate and spout sliding connection, first screw rod passes the spout, and its one end passes through the bearing with the lateral wall of spout and is connected, and the other end runs through the spout to extend to the outside of base, when first screw rod rotates, two the motion opposite direction of limiting plate is placing the bag body between two limiting plates, and after the adjustment was accomplished, two corner cutters were located two corners of the bag body respectively directly over.

Further, including spacing end, the one end fixedly connected with of limiting plate spacing end, spacing end and limiting plate constitution L shape, when the edge that the bag body needs the corner cut was held the contact with spacing, two corner cutters were located the bag body directly over two corners respectively, the radius of corner cutter is greater than the length that spacing end stretches out the limiting plate side.

Further, including stopper, fixed block and spring, the base is equipped with the stable groove, stopper and stable groove sliding connection, when the edge that the bag body needs the corner cut contacts with the stopper, two corner cutters are located two corners of the bag body directly over respectively, the position fixedly connected with of the bottom of base in the stable groove the fixed block, the inside of fixed block is equipped with the inside groove that is linked together with the stable groove, the bottom fixed connection of the one end of spring and inside groove, the other end of spring and the bottom fixed connection of stopper.

The invention has the beneficial effects that: by adopting the packaging bag, the self-adhesive tapes are arranged in the packaging bag, so that when different types of articles are placed, the corresponding protective layers of the self-adhesive tapes can be torn and bonded together, the packaging bag can be divided into a plurality of independent spaces, and different articles can be separately placed in different spaces to avoid mutual doping; during production, the cylinders are adjusted for different types of packaging bags, so that the corner cutting knife corresponding to the arc corner radius of the packaging bag of the type is rotated to the corner cutting position, the corner cutting knife can be flexibly and conveniently replaced through the corner cutting device, and time is saved.

Drawings

FIG. 1 is a front view of a pouch in accordance with an embodiment of the present invention;

FIG. 2 is a top view of a pouch according to an embodiment of the present invention;

FIG. 3 is a front view of a chamfering apparatus in an embodiment of the present invention;

FIG. 4 is a partial side view of a mount in accordance with an embodiment of the present invention;

FIG. 5 is a side cross-sectional view of a cylinder in an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a briquette in an embodiment of the present invention;

FIG. 7 is a first top view of a base in accordance with an embodiment of the present invention;

FIG. 8 is a second top view of the base in accordance with the exemplary embodiment of the present invention;

FIG. 9 is a cross-sectional view taken along line A-A of FIG. 8;

wherein, 1-bag body, 2-adhesive tape, 3-clamping strip, 4-base, 5-hydraulic cylinder, 6-fixing piece, 7-first screw, 8-limiting plate, 9-first connecting plate, 10-sliding groove, 11-cylinder, 12-connecting groove, 13-pressing block, 14-angle cutter, 15-first bolt, 16-fixing frame, 17-linkage rod, 18-linkage groove, 19-second bolt, 20-bolt hole, 21-limiting end, 22-stabilizing groove, 23-limiting block, 24-lifting groove, 25-fixing block, 26-inner groove, 27-spring, 131-rear pressing block, 132-front pressing block, 133-front end groove, 134-bottom groove, 135-second connecting plate, 136-second screw, 137-side plate, 138-side groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.

In view of the above, the first aspect of the present invention provides an embodiment of a packaging bag, as shown in fig. 1, including a bag body 1 and adhesive tapes 2, wherein the inner wall of the bag body 1 is provided with a plurality of groups of partitions, each partition includes two adhesive tapes 2, the two adhesive tapes 2 are respectively disposed on inner side walls of different bag bodies 1, the adhesive tapes 2 are vertically disposed from an opening of the bag body 1 and extend to the bottom of the bag body 1, and four corners of the bag body 1 are provided with rounded corners.

Through the non-setting adhesive tape 2 that sets up in the bag body 1, when placing the article of different grade type, can tear the protective layer of corresponding non-setting adhesive tape 2 to bond together, can divide into a plurality of independent spaces with the wrapping bag like this, separately place different article in different spaces, avoid adulterating each other.

As another embodiment of the invention, in the above embodiment, the bag comprises the clamping strips 3, the clamping strips 3 corresponding to the self-adhesive tapes 2 one by one are fixedly connected to the inner wall of the bag body 1, and the self-adhesive tapes 2 are fixed to the inner wall of the bag body 1 through the clamping strips 3, so that after the self-adhesive tapes 2 are used, the self-adhesive tapes 2 are replaced through the clamping strips 3, and the effect of repeated use is achieved.

As another embodiment of the present invention, in any one of the above embodiments, as shown in fig. 3 and 4, the bag body 1 described above includes a base 4, a hydraulic cylinder 5, a fixing member 6, a cylinder 11, a pressing block 13, a corner cutting knife 14, a first bolt 15, a fixing frame 16, a linkage rod 17 and a second bolt 19, the hydraulic cylinder 5 is located above the base 4, the hydraulic cylinder 5 is fixed on the base 4 through the fixing member 6, the middle position of the fixing frame 16 is fixedly connected with an output shaft of the hydraulic cylinder 5, two legs at two sides of the fixing frame 16 are provided with linkage grooves 18, the central positions of two end surfaces of the cylinder 11 are respectively and fixedly connected with the linkage rod 17, the linkage rod 17 is rotatably connected with the corresponding linkage groove 18, a plurality of connection grooves 12 are provided on the side surface of the cylinder 11, the pressing block 13 is fixed in the connecting groove 12 through the first bolt 15, one end of the pressing block 13 extends out of the connecting groove 12, two sides of the end are respectively fixedly connected with the corner cutter 14, the radius of each corner cutter 14 fixedly connected with the pressing block 13 is different and used for cutting round corners with different radii, a plurality of bolt holes 20 are formed in the side surface of the linkage rod 17, when the cylinder 1 rotates by a proper angle to enable the corresponding corner cutter 14 to corner the bag body 1 under the driving of the hydraulic cylinder 5, the second bolt 19 is matched with the corresponding bolt holes 20 to fix the axial position of the cylinder 1.

In this embodiment, during chamfering, the axial position of the cylinder 11 is fixed by combining the second bolt 19 with the corresponding bolt hole 20, when the model of the bag 1 is changed, if the radius of the arc angle cut by the model is also changed, the second bolt 19 is separated from the bolt hole 20 at this time, then the cylinder 11 rotates on the fixing frame 16 by a proper angle through the linkage rod 17, so that the chamfering knife 14 corresponding to the radius of the arc angle to be cut by the model moves to the chamfering position, that is, the chamfering knife 14 can cut the multilayer bag 1 placed on the base 4 at one time under the pushing of the hydraulic cylinder 5, at this time, the second bolt 19 is combined with the corresponding bolt hole 20 at this time, the position of the cylinder 11 is fixed again, and at this time, the chamfering operation can be performed on the bag 1 of this type.

In the above embodiment, as shown in fig. 5, four connecting slots 2 are provided, and after the pressing blocks 13 are fixed to the connecting slots 2 by the first bolts 15, the adjacent pressing blocks 13 are perpendicular to each other, and generally, when the corner is cut, the multi-layer bag body 1 is assembled together to be cut, and the height is very high, and when the cutting is performed, if the number of the pressing blocks 13 on the cylinder 11 is large, the interference with the multi-layer bag body 1 is likely to occur during the cutting, therefore, in the present embodiment, only four pressing blocks 13 are provided, and the adjacent pressing blocks 13 are perpendicular to each other, so that when the cutting is performed, the cutting direction is the same as the direction of the adjacent pressing blocks 13, and the above problem is avoided.

As another embodiment of the present invention, in any of the above embodiments, as shown in fig. 6, the pressing block 13 includes a rear pressing block 131, a front pressing block 132, a second connecting plate 135, a second screw 136 and a side plate 137, the rear pressing block 131 is fixed in the connecting groove 12 by the first bolt 15, the front end surface of the rear pressing block 131 is provided with a front end groove 133, the bottom of the front end groove 133 is provided with a bottom groove 134, the side wall of the front end groove 133 is provided with a side groove 138, the front pressing block 132 is provided with two front pressing blocks and located in the front end groove 133 and both slidably connected with the front end groove 133, the side surface of the front pressing block 132 is provided with the side plate 137 slidably connected with the side groove 138, the bottom of the front pressing block 132 is provided with the second connecting plate 135 slidably connected with the bottom groove 134, the second screw 136 passes through the bottom groove 134, and one end thereof is connected with the side wall of the bottom groove 134 by a bearing, the other, and extends to the outside of the rear pressing block 131, the second screw 136 is in threaded connection with the second connecting plate 135, when the second screw 136 rotates, the moving directions of the two rear pressing blocks 132 are opposite, and the outer side surface of the front pressing block 132 is fixedly connected with the chamfering knife 14.

Considering that the width of the packing bags is different for different sizes, in the embodiment, for the packing tapes with different widths, the second screw 136 can rotate to drive the front pressing block 132 to slide in the front end groove 133 through the second connecting plate 135, so that the distance between the corner cutting knives 14 on the two front pressing blocks 132 is changed, and when the two pressing blocks are adjusted to the proper position, the second screw 126 stops rotating. Here, the side plates 137 slide in the side grooves 138 to limit the lateral position of the front pressing piece 132, thereby ensuring stability in chamfering.

As another embodiment of the present invention, in any of the above embodiments, as shown in fig. 7, the bag further includes a first screw 7, two limiting plates 8 and a first connecting plate 9, the upper end surface of the base 4 is provided with a chute 10, the two limiting plates 8 are symmetrically disposed on the upper end surface of the base 4, the bottom of the limiting plate 8 is provided with the first connecting plate 9, the first connecting plate 9 is slidably connected to the chute 10, the first screw 7 penetrates through the chute 10, one end of the first screw is connected to the side wall of the chute 10 through a bearing, the other end of the first screw penetrates through the chute 10 and extends to the outside of the base 4, when the first screw 7 rotates, the two limiting plates 8 move in opposite directions, and after the bag 1 is placed between the two limiting plates 8 and is adjusted, the two corner cutters 14 are respectively located right above two corners of the bag 1.

In this embodiment, through adjusting first screw rod 7, make limiting plate 8 slide on spout 10, treat that the distance between the limiting plate 8 is equal to the width of the bag body 1, stop adjusting, when the corner cut, only need place the bag body 1 between limiting plate 8 like this, in the vertical position of the adjustment bag body 1 can, made things convenient for the corner cut operation, improved corner cut efficiency.

In the above embodiment, as shown in fig. 7, the bag includes the limiting end 21, one end of the limiting plate 8 is fixedly connected with the limiting end 21, the limiting end 21 and the limiting plate 8 form an L shape, when the edge of the bag body 1 needing to be chamfered contacts the limiting end 21, the two chamfering knives 14 are respectively located right above two corners of the bag body 1, so when the bag body 1 is placed between the limiting plates 8, only the multilayer bag body 1 needs to be pushed towards the chamfering knife 14, and when the bag body is pushed to contact the limiting end 21, chamfering operation can be performed, so that the operation is more convenient and flexible, the radius of the chamfering knife 14 is greater than the length of the limiting end 21 extending out of the side surface of the limiting plate 8, and interference between the chamfering knife 14 and the limiting end 21 is prevented when chamfering.

In the above embodiment, as shown in fig. 8 and 9, the bag comprises a limiting block 23, a fixing block 25 and a spring 27, the base 4 is provided with a stabilizing groove 22, the limiting block 23 is slidably connected with the stabilizing groove 22, when the edge of the bag body 1 needing to be cut is in contact with the limiting block 23, the two cutting knives 14 are respectively located right above two corners of the bag body 1, the fixing block 25 is fixedly connected to the bottom of the base 4 at the position of the stabilizing groove 22, an inner groove 26 communicated with the stabilizing groove 22 is arranged inside the fixing block 25, one end of the spring 27 is fixedly connected to the bottom of the inner groove 26, and the other end of the spring 27 is fixedly connected to the bottom of the limiting block 23.

In this embodiment, when the bag body 1 is placed between the position-limiting plates 8, the multilayer bag body 1 is pushed towards the angle-cutting knife 14 only, and when the multilayer bag body is pushed until the multilayer bag body contacts the position-limiting block 23, the angle-cutting operation can be performed, meanwhile, when the angle is cut, the position-limiting block 23 pushes the position-limiting block 23 to overcome the elastic force of the spring 27 under the action of the pressing block 13 right above the position-limiting block 23, and the position-limiting block 23 is contracted into the inner groove 26, and when the pressing block 13 moves upwards, the position-limiting block 23 returns to the original position under the action of the spring 27, so that the interference between the angle-cutting knife 14 and the position-limiting block 23 can be avoided.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.