Summary of the invention
Therefore, at the shortcoming of above-mentioned non-woven bag and mesh bag with not enough, press in the market a kind ofly can be recycled, good air permeability and firm and durable hold the thing bag.
The invention provides a kind of netted thing bag that holds, the load bearing stength height, dimensional stability is good, good air permeability.In addition, this netted reusable, the used polypropylene PP silk reproducible utilization that holds the thing bag can be realized the dual purpose of resource reutilization and protection environment well.
The netted thing bag that holds of reproducible utilization of the present invention comprises: bag body, handle, bottom surface or base, and bag body and bottom surface are made of the net sheet, and described net sheet adopts the polyacrylic fibres braiding to form.
In a preferred implementation, on the sack limit of bag body, splicing place, the base that constitute between each limit of splicing place between the adjacent net pieces of bag body, bag body and bottom surface locate all to be surrounded by bound edge, bound edge is made by sewing line and is fixed on the sack.
In another preferred implementation, the net sheet adopts polyacrylic fibres to weave in the mode of honeycomb weave or lace stitch and forms.
In another preferred implementation, the net sheet adopts the polyacrylic fibres braiding with antibacterial and antimildew function to form.
In another preferred implementation, described polyacrylic fibres is spun into the PP material that mixes of PP material by comprising regeneration PP material, the content of regeneration PP material is smaller or equal to 80 weight %, is benchmark with the total weight of mixture, and each component concentration summation of described mixture is 100 weight %.
In another preferred implementation, wherein said regeneration PP material derives from pulverizes the particulate matter that forms with discarded net sheet recovery back.
In another preferred implementation, described polyacrylic fibres with antibacterial and antimildew function is to be spun into by the PP material that has added antibacterial mildew inhibitor.
In another preferred implementation, the silk footpath scope of described polyacrylic fibres is 0.12~0.28mm.
In another preferred implementation, the warp-wise of described net sheet, latitudinal density be 10~24 rhizoids/centimetre.
In another preferred implementation, the material that described bound edge adopts is PVC, and the material that sewing line adopts is PET.
In another preferred implementation, the shape of described bag body is selected from: cylindrical shape, oval cylinder or polygon solid figure.
In another preferred implementation, described cylindrical shape or oval cylinder bag body are that an integral net sheet that is got by direct cutting from the tubular coiled material constitutes.
In another preferred implementation, described polygon solid figure bag body is made up of a plurality of net sheets, and silk footpath, the density of each net sheet are identical or different.
In another preferred implementation, the used net sheet silk in described bag body and bottom surface directly, density is identical or different.
In another preferred implementation, the shape of described bottom surface is identical with the pocket shapes of bag body, and area size is identical or different.
In another preferred implementation, directly the end opening with described cylindrical shape or oval cylinder bag body flattens, and forms the base, and this base encases with bound edge, and makes fixing with sewing line.
The specific embodiment
The invention provides a kind of netted thing bag that holds of reproducible utilization, comprise bag body 1, handle 2, bottom surface 3 or base 33.Bag body 1 and bottom surface 3 are made by polypropylene (PP) net sheet 6.At place, the sack limit of bag body, all there is bound edge 4 on splicing place and the base on each limit of splicing place, bag body and the bottom surface of the adjacent net pieces of bag body, make by sewing line 5 to be fixed on the sack.
The net sheet is a main portion of forming the bag body, can be spun into silk by new polypropylene PP material, is made into the net sheet again; Also can be by regeneration polypropylene PP material with after new polypropylene PP expects to mix, be spun into silk, be made into the net sheet again, wherein regeneration polypropylene PP material, can adopt the recovery PP material in any industry, preferably derive from the particulate matter that is ground into after the discarded net sheet recovery.When adopting regeneration PP material, its content is smaller or equal to 80 weight %, is benchmark with the total weight of mixture, and each component concentration summation of described mixture is 100 weight %.
In a preferred implementation, in new PP material or in the mixture of regeneration PP material and new PP material, add antibacterial mildew inhibitor respectively, be spun into polypropylene PP silk then with antibacterial and antimildew function, be made into the net sheet again.In the knitmesh process, the weaving manner of preferred honeycomb weave or lace stitch.
The preferred 0.12-0.28mm of diameter of net sheet silk.In the present invention, less than 0.12mm, then the stiffness of net sheet is not enough, is shifted easily through tram under stressing conditions as if used silk footpath, makes the mesh distortion, causes that easily loaded article spills or mutual extrusion; If used silk footpath is greater than 0.28mm, then the rigidity of PP silk is excessive, brings certain technology difficulty for braiding and the process of making.
According to the difference of warp-wise, latitudinal density, can weave the net sheet of multiple density specification, through the preferred 10-24 rhizoid of broadwise density/centimetre.If used through tram density less than 10 rhizoids/centimetre, then mesh is excessive, should not place the less article of volume, or loaded article is reached carry the bag outside; If used through tram density greater than 24 rhizoids/centimetre, then holding thing bag permeability to air variation and cost of manufacture increases.
The bag body has multiple shape, preferred tubular and polygon solid figure.Tubular preferably drum shape or oval cylinder.Polygon solid figure can be selected from: cuboid, the square bodily form, five limit solid figures, hexagon solid figure, seven limit solid figures, eight limit solid figures etc.。
When the bag body is a tubular for example when cylindrical shape or oval cylinder, to form by a single-piece net sheet, described net sheet is directly cutting and getting from the cylindrical shape net volume material.
When the bag body was polygon solid figure, a bag body was spliced by multi-disc net sheet, and silk footpath, the density of each net sheet are identical or different, and preferably its footpath, density are identical.
The silk of the silk footpath of the used net sheet in bottom surface, density and the used net sheet of bag body directly, density is identical or different, and preferably its footpath, density are identical.
The shape of bottom surface is decided according to the shape of bag body, and the pocket shapes of preferred pouches body is identical.But both sizes can be identical or different, and are preferably identical.
When the bag body was tubular, for example cylindrical shape or oval cylinder also can be cancelled the bottom surface, promptly directly with the end opening flattening of barrel-type bag body, encased with bound edge, and made with sewing line, formed base 33.
Each limit splicing place of the sack limit of bag body, splicing place that constitutes the adjacent net pieces of bag body, bag body and bottom surface has bound edge 4, the preferred PVC material of the material of described bound edge.Bound edge is fixed on the sack by sewing line.The preferred PET material of the material of described sewing line.
Mesh bag of the present invention adopts conventional approach preparation known in the industry.Be summarized as follows.
(1) at first prepare the bag body:
When the bag body is a tubular for example when cylindrical shape or oval cylinder, directly adopt a single-piece net sheet, described net sheet is directly cutting and getting from the cylindrical shape net volume material.
When the bag body is polygon solid figure, with the longitudinal edge alignment in twos of required net sheet, encase both aligned edges with bound edge, and with sewing line with bound edge and in twos the edge sewing of net sheet be fixed together.All adopt this mode to couple together in twos the net sheet of required number, constitute the bag body of polygon solid figure.Wherein the bound edge of adjacent net pieces junction and sewing line all are positioned at a bag body inside.
(2) combining of bag body and bottom surface:
Make a bag body wrong side out; That is: the edge bound edge of the net sheet that constitutes the bag body all is exposed.Net sheet of cutting is as bottom surface net sheet then, with the periphery edge of bottom surface net sheet and the base justified margin of bag body, and both two edges that will align encase with bound edge, begin to make, whole piece edge until bottom surface net sheet periphery and bag body base all combines, and the width of bound edge is preferably 10-15mm.After making, again with bag body upset, the front makes the bound edge of bag body and junction, bottom surface be positioned at the inside of bag body outwardly.
(3) then with the sack edge bound edge of bag body, bound edge is made by sewing line and is fixed on one's body the bag, and loads onto handle.
When the thing bag that holds of the present invention does not have the bottom surface, when having only base 33, the bag body is tubular preferably.The generation type on its base is: directly with tubular for example an end opening of cylindrical shape or oval cylinder bag body flatten, form base 33, this base encases with bound edge 4, and with sewing line 5 make be fixed to bag on one's body.Other preparation section is referring to said method, and is identical with it.
Below in conjunction with accompanying drawing, further set forth the thing bag that holds of the present invention.
Fig. 1 holds the thing bag for oval cylinder, is made up of a single-piece net sheet 6, and described net sheet is directly cutting and get from the cylindrical shape net volume material, and the shape of bottom surface 3 is identical with the pocket shapes of bag body 1.Splicing place of the sack edge of bag body 1, bag body 1, bag body 1 encase with bound edge 4 with splicing place of bottom surface 3, and make with sewing line 5, in sack edge handle 2 are installed.
Fig. 2 is that the tubular of having cancelled the bottom surface is held the thing bag, is made up of a single-piece net sheet 6, and described net sheet is directly cutting and getting from the cylindrical shape net volume material.Splicing place of the opening sack edge of bag body 1, bag body 1 encases with bound edge 4, and makes with sewing line 5, in sack edge handle 2 is installed.The other end opening of barrel-type bag body 1 is flattened, lump together, and encase, and make, form base 33 with sewing line 5 with bound edge 4.
Fig. 3 holds the thing bag for cuboid, and bag body 1 is spliced by multi-disc net sheet 6, and the shape of bottom surface 3 is identical with the pocket shapes of bag body 1.Splicing place on the sack edge of bag body 1, bag body 1 each limit, bag body 1 encase with bound edge 4 with splicing place of bottom surface 3, and make with sewing line 5, in sack edge handle 2 are installed.
The bound edge of sack of the present invention and the force intensity that is subjected to of making holding the thing bag have booster action, can make between each net sheet of bag body and bag body and bottom surface between be connected more firmly, hold thing bag integral intensity thereby improve.Simultaneously, it is indeformable that bound edge also has maintenance to hold the thing bag, increases the effect of stiffness.
Reproducible utilization provided by the present invention netted hold the thing bag laterally, longitudinal fracture is powerful all more than 500N/5cm, (horizontal 45~70N/5cm, vertical 125~180N/5cm) exceed several times to the brute force of advising than common non-woven fabric bag.Its intensity height, ventilating air permeability is good, then has the antibacterial and mouldproof effect if add antibacterial mildew inhibitor in spinning material, can better guarantee the sanitation and hygiene in the bag.
The netted thing bag that holds of reproducible utilization of the present invention can be used as shopping bag or carries bag, reusable, the non-woven bag height that intensity ratio is commonly used, dimensional stability is better than existing mesh bag, can be used for carrying heavier article, and can keep the lasting circulation of loaded article or vegetables and fruits and outside air, make it not perishable, simultaneously, also have antibacterial and antimildew function, can keep cleaning and health in the bag better.
The netted bigger advantage of thing bag of holding of reproducible utilization of the present invention is; make sack the net sheet be to form by PP silk braiding that can recycling utilization; do not adopt burning or underground buried method to handle to the discarded thing bag that holds; but will discard be ground into after the net sheet reclaims granular; with granulation after the new PP mix particles, go spinning again, be used further to be woven into the net sheet; be used to manufacture the new thing bag that holds, reach the dual purpose of resource reutilization and protection environment.
Below in conjunction with specific embodiment, further illustrate the present invention, these embodiment only are used to the present invention is described and are not used in and limit the scope of the invention.The experimental technique of unreceipted actual conditions in the following example carries out according to the normal condition in the industry usually.Ratio and percentum are based on volume, unless stated otherwise.
Embodiment
Embodiment 1:
With polypropylene PP material is that raw material carries out spinning, gained long filament silk directly is 0.18mm, adopt the weaving manner of honeycomb weave to be made into net sheet coiled material cylindraceous, the warp of net sheet 6, the density of tram are 15 pieces/centimetre, net sheet 6 conduct bag bodies 1 from net sheet coiled material intercepting certain-length, selecting an end of bag body 1 is the opening sack, loads onto bound edge 4 at the edge of sack, and makes with sewing line 5.The other end is the bottom, both sides is lumped together with bound edge 4 encase, and makes with sewing line 5, forms base 33.Bound edge width 15mm.At last, load onto handle 2, promptly obtain the netted thing bag that holds of reproducible utilization at the sack end.
After tested, this holds horizontal, the powerful 550N/5cm of being of longitudinal fracture of thing bag.
Embodiment 2:
Be ground into granular behind the discarded net sheet 6 of recovery, consumption with 60 weight %, with new polypropylene PP mix particles, and add granulation behind an amount of antibacterial mildew inhibitor, carry out spinning with this raw material, gained long filament silk directly is 0.20mm, adopt the weaving manner of honeycomb weave to be made into net sheet coiled material cylindraceous, the warp of net sheet 6, the density of tram are 18 pieces/centimetre, net sheet 6 conduct bag bodies 1 from net sheet coiled material intercepting certain-length, selecting an end of bag body 1 is the opening sack, loads onto bound edge 4 at the edge of sack, and makes with sewing line 5.In addition, from net sheet coiled material intercepting a slice net sheet, make bottom surface 3, the shape of bottom surface 3, size are identical with sack.The periphery edge of bag body bottom is alignd with the periphery edge pointwise of bottom surface 3, encase the pointwise aligned edges with bound edge simultaneously, and make with sewing line 5 and to be fixed together.Whole piece edge until bottom surface net sheet periphery and bag body base all combines, and the width of bound edge is 10mm.After making, again with bag body upset, the front makes the bound edge of bag body and junction, bottom surface be positioned at the inside of bag body outwardly.At last, load onto handle 2 at the sack end, promptly obtain the netted thing bag that holds of reproducible utilization, this holds the thing bag and has antibacterial and antimildew function.
After tested, this holds horizontal, the powerful 500N/5cm of being of longitudinal fracture of thing bag.
Embodiment 3:
Reclaim and to be ground into behind the discarded net sheet 6 granularly, with the consumption of 20 weight %, with granulation after the new polypropylene PP mix particles, carry out spinning with this raw material, gained long filament silk directly is 0.22mm.
With such long filament, adopt the weaving manner of lace stitch to be made into net sheet 6, the organizine density of net sheet 6 is 16 pieces/centimetre, tram density is 18 pieces/centimetre.
The four sides net sheet that constitutes cuboid bag body all adopts the net sheet 6 of equal densities, and front and back two nets are of a size of 30cm*40cm, and two sides are of a size of 20cm*40cm.Bag body 1 highly is 40cm.These net sheets are constituted the position of bag body according to them, make adjacent two longitudinal edge alignment, encase the longitudinal edge that adjacent two net sheets align with bound edge, and be fixed together with the edge sewing of sewing line with bound edge and two net sheets.The edge that constitutes all adjacent net pieces of bag body all use this mode bound edge and is made fixingly with sewing line, forms bag body of polygon solid figure.Wherein the bound edge of adjacent net pieces junction and sewing line all are positioned at a bag body inside.
With bag body wrong side out; That is: the edge bound edge of the net sheet that constitutes the bag body all is exposed.Net sheet of cutting is as bottom surface net sheet then.The net with bag body 1 equal densities is adopted in the bottom surface, is of a size of 20cm*30cm.Edge, four limits and the corresponding base of bag body justified margin with bottom surface net sheet, and both two edges that will align encase with bound edge, make with sewing line fixing, around the net sheet of bottom surface and the edge on bag body base all be fixed together, the width of bound edge is 12mm.After making, again with bag body upset, the front makes the bound edge of bag body and junction, bottom surface be positioned at the inside of bag body outwardly.
Then with the sack edge bound edge of bag body, and make by sewing line and to be fixed on one's body the bag, load onto handle, promptly obtain the netted thing bag that holds of reproducible utilization.
After tested, this holds horizontal, the powerful 520N/5cm of being of longitudinal fracture of thing bag.
Embodiment 4:
Adopt conventional polypropylene reclaimed materials, with the consumption of 80 weight %, with new polypropylene PP mix particles and granulation after adding the antibacterial mildew inhibitor of convention amount, carry out spinning with this raw material, gained long filament silk directly is 0.12mm.
With such long filament, adopt the weaving manner of honeycomb weave to be made into the net sheet 6a of two kinds of different densities, a kind of net sheet 6 all be 20 pieces/centimetre through tram density, another kind of net sheet 6b is 24 pieces/centimetre through tram density.
The density of front and back two veils that constitutes cuboid bag body is identical, and adopting through tram density all is 20 pieces/centimetre net sheet 6a, is of a size of 50cm*40cm, the density of left and right sides net is also identical, employing all is 24 pieces/centimetre net sheet 6b through tram density, is of a size of 20cm*40cm, and a bag body 1 highly is 40cm.These net sheets are constituted the position of bag body according to them, make the longitudinal edge alignment of adjacent two net sheets, encase the longitudinal edge that adjacent two net sheets align with bound edge, and be fixed together with the edge sewing of sewing line with bound edge and two net sheets.The edge that constitutes all adjacent net pieces of bag body all use this mode bound edge and is made fixingly with sewing line, forms bag body of polygon solid figure.Wherein the bound edge of adjacent net pieces junction and sewing line all are positioned at a bag body inside.
With bag body wrong side out; That is: the edge bound edge of the net sheet that constitutes the bag body all is exposed.Net sheet of cutting is as bottom surface net sheet then.Adopt through tram density the bottom surface all is 24 pieces/centimetre net sheet 6b, is of a size of 50cm*20cm.Edge, four limits and the corresponding base of bag body justified margin with bottom surface net sheet, and both edges that will align encase with bound edge, make with sewing line fixing, around the net sheet of bottom surface and the edge on bag body base all be fixed together, the width of bound edge is 12mm.After making, again with bag body upset, the front makes the bound edge of bag body and junction, bottom surface be positioned at the inside of bag body outwardly.
Then with the sack edge bound edge of bag body, and make by sewing line and to be fixed on one's body the bag, load onto handle, promptly obtain the netted thing bag that holds of reproducible utilization.
This holds the thing bag and has antibacterial and antimildew function.After tested, this holds horizontal, the powerful 500N/5cm of being of longitudinal fracture of thing bag.