CN1055904A - Medium-sized bulk container of with protecting cover flexibility and preparation method thereof - Google Patents

Abstract

The present invention relates to have the FIBC4 of protective cover 1, and its method for making.It is applicable to seasoning out of doors.Protective cover 1 covers the side surface of FIBC4 whole or in part, and be fixed on FIBC carry circle 5 lowest part, charging door itself is by belt and securing device 6 and/or covers the sealing of 1 upper opening and osed top.

Description

Medium-sized bulk container of with protecting cover flexibility and preparation method thereof

The present invention relates to a kind of be suitable for outdoor storage usefulness have flexible medium-sized bulk container (FIBC) of protective cover and preparation method thereof.FIBC is used for the discrete material as granular, powdery or pulpous state, also might be used for the transportation of fluent material, stores and the lifting lifting.Except protective cover, FIBC also includes at least one and carries circle, and a sidewall and a bottom construction that is formed by at least one flexible fabric also might also have an inner bag or lining.

Not with protecting cover FIBC has been used very over a long time, and they have been proved to be and have been applicable to the transportation that relates to discrete material and many purposes of storage aspect.When but at present the subject matter of FIBC was to be used for outdoor storage, no matter be to put together or store separately, they all must cover the oilcloth that lastblock adds.This can make user's the use of FIBC complicated.For fear of as the intrusion of the snow and the moisture of rain, this covering is essential, this has prevented also that dust and dirt from piercing in the bag and the quality of reduction discrete material in addition.Even if used the inner bag of dust and water protection to be protected when discrete material is stored out of doors, water, snow, dust and other pollutants also can accumulate on the top of bag.FIBC with fabric system is can not be water repellant.Water etc. can enter in the discrete material by untight hole or by hole possible on the lining.Also might when unstowing, sack stain discrete material.In addition, sack must hide be because daylight may produce degradation to fabric.

Learn the protective cover of a kind of FIBC of being used at present for 7905396-3 number from Swedish patent, this relates generally to a kind of double walled bag.The FIBC that this patent is described is furnished with cover or the lid that a water repellant polyethylene foil of usefulness is made.This cover is used to prevent moisture content intrusion discrete material.

The described protective cover of above-mentioned patent can use in two ways.Dual mode all means cover is enclosed within downwards on the FIBC that has filled.The diameter of cover roughly is equivalent to the diameter of bag.

Thereby first method is to cover on the circle of carrying that its top was welded together and passed FIBC and forms the passage that a lifting instrument can therefrom insert.Opening thereby the quilt of loading discrete material are closed fully.There is very big problem in use in this method.It also can cause when bag is raised being hooked in of the instrument of lifting to carry will to cover hook in the zone around the circle bad, and the result becomes it to be had leak and discrete material is polluted.

Second method is that the upper part that covers is to make with a tubular body narrow than its lower part.This upper part is long and soft, thereby it automatically is in a position low than charging door itself, thereby has avoided the intrusion of water and dust etc.This method requirement, when being connected by the lifting instrument must with the cover upper part roll over rearwards could with carry the circle engage.As if this method not too convenient also complicated in practical operation.Therefore, two kinds of above-mentioned cover structures all can not be succeedd, because they closely combine also existing problems on the top of cover with carrying circle, also because of out of doors between storage period, cover and are easy to break away from from bag.

Therefore, main purpose of the present invention provides a kind of FIBC that has protective cover that is suitable for outdoor seasoning.In addition, cover must be made economical, uses simple.Also need to found a more simple and advanced method with protective cover fasten carry circle near unlikely to guarantee cover by the FIBC that blows off.

Cover must be fixed on the top, perhaps once in a while also may be in top and bottom, thereby it can not get loose or along sack wriggling upwards under the bad weather in vogue and the situation of blowing and when transporting and promote.In addition, method fixing and that fasten must be suitable for automation mechanized operation, so that can reduce total productive costs.

With guard shield fixedly the pacing factor on the FIBC to be that securing device must simply and use not time-consuming, higher intensity must be arranged with the bag closure at the top of bag, it also wants to be suitable for automation mechanized operation.At early stage of development of the present invention, clearly protective cover can not hide not destroyed when promoting carrying on the circle.Protective cover must be contained in as much as possible near the place of carrying circle itself, and can carry out closed to prevent the intrusion of dirt simultaneously.

The contriver has considered much to utilize rope, belt etc. that cover is fixed on the diverse ways of carrying on the circle, but does not have a kind of method can satisfy requirements such as the above-mentioned possibility about intensity, automation mechanized operation, sealing and simple structure.

To protective cover FIBC carry the circle below various selectable fastening method done the evaluation after, the contriver draws a conclusion, promptly the strapping with belt is suitable for this purpose most.Strapping has high strength, and can automation mechanized operation to the closure at top.Therefore this method not only soon but also economical and basically can be waterproof with strapping sealing sack.Yet as flexible belt of use is then more favourable, because can obtain bigger Tension Distribution scope like this when the bag that lifting is filled.Tying up charging door below carrying circle can not seal opening fully, but it can be dwindled greatly.The contriver finds that this possible opening can be before closed sack or also can be with an expansile thing in closure, and foam is for example clamp-oned in the charging door to prevent that it from sewing.

At the same time, when carrying the top of FIBC, people tie up under the circle and closure, when preventing to turn sack water, snow, dust and dirt invade and and when causing the discrete material quality to reduce, if it is elastomeric words that people experience the bottom of carrying circle that compresses, carries circle and will rebound to vertical position.This helps to simplify the joint of bont and shirk.This effect is decided by more or less the cloth of sack with what material is knitted, just the hardness of mekralon and density.The effect of being mentioned above losing if used very soft cloth then can place in the circle hardness of carrying circle with increase to compensate with the reinforcement of a plastic bar form, perhaps brings compensation at each lower part of carrying circle around tightening.

The bottom margin of protective cover should be fixed on FIBC and upward wriggle to prevent that it from can make progress along sack when promoting, and is wiped off by wind when perhaps depositing out of doors.This can use lining cement, Acrylic Foam Tape or with heat, for example with heat gun the edge is fixed on the FIBC and realize.Yet find that after through test once more regulate suitably if will cover mutually with the diameter of bag, above-mentioned operation has not just needed yet.

Find that in research-and-development activity except above-mentioned advantage, a kind of suitable protective cover can bring very big saving, because can reduce stock's number of the ready-made bag that produces.Needs to the huge stocks that are respectively the ready-made FIBC that the different product type prints have reduced, people used only need behind the protective cover a kind of not with the FIBC of lettering.This just can alleviate the expense that sack transports out from the cheap country of price, because because geographical the remote of road of going up, the time of transporting out therefrom is very long.So just can reduce the cost of relevant FIBS logistics aspect because literal and mark etc. can not only be imprinted on the protective cover soon but also cheaply, even receive the order also passable after single.So just shortened the haulage time of FIBC being sold to the end user widely.In addition, the printing quality that is imprinted on the polyethylene smooth surface is upward much better than being imprinted on fabric FIBC, when particularly printing small character.

When the material that searching is suitable for printing, people recognize that also the ultraviolet material of absorption is used for protective cover belongs to unnecessary, may, the use of the UV stable that FIBC weaves cotton cloth also can reduce.

This depends on the length of protective cover certainly.If it is suitable with the length of bag that its length makes, then bag can be without the fiber manufacturing of UV stable.Even carrying circle is exposed under the daylight; because used the applicant's who in No. the 830718th, Norwegian Patent, describes invention " to be used to carry the sleeve pipe of circle "; be to form also simultaneously by many layer material compactings because carry circle; wherein outermost layer can protect internal layer not to be subjected to solar radiation; intensity just is unlikely too big reduction, because sunshine can only make outermost fiber degradation.

Below with reference to accompanying drawings the present invention is explained in detail.

Fig. 1 a, 1b illustrate the protective cover that has whole pleat.

Fig. 2 a, 2b illustrate the protective cover that is about to be enclosed within on the FIBC.

Fig. 3 illustrates protective cover and the FIBC after the closure.

Fig. 4 illustrates the amplifier section at the FIBC top that has protective cover as shown in Figure 3.

Fig. 5 illustrates the FIBC that has a protective cover and a guar plate.

Fig. 6 illustrates to have and is fixed on the FIBC that carries the protective cover on each limit of circle.

Fig. 1 a illustrates a protective cover 1 that is used for a FIBC4 and invades the discrete material in the FIBC to prevent water, snow, dust and other dirts.Make as plastic film by softness and waterproof materials by a kind of toughness for protective cover 1.In addition, this material must be stable to ultraviolet ray also, if desirable words also have ultraviolet-absorbing, exempts from the harmful of sunshine with the lamination coating of protecting FIBC and tans by the sun.The kind of material should have different selections with purposes according to user's needs with the thickness of material.

Protective cover 1 comprises a top section with a perforate 3, and a rivel embeds the base section 10 of 2 and openings.Rivel 2 has been simplified the installation of protective cover 1.The plastic sheeting of making protective cover transports supply with the indefinite length rolling.This plastic sheeting is with the form manufacturing that has rivel 2 that shows among Figure 16 and packing.When making protective cover, plastic sheeting is cut into predetermined length.The upper part of plastic sheeting is cut subsequently and is had a certain degree and weld together becomes the shape of the lifting region 11 of a kind of FIBC of meeting.At last, the perforate 3 of protective cover is also therefore shunk.The profile of protective cover can change according to the profile of FIBC, protective cover is made by not having rivel or embed 2 cylindrical shape material, also do not needed to be cut into angle, like this, openings at two ends is the same fully just, and this also is within circle of the present invention certainly.

Fig. 2 a, 2b illustrate and just are set to the protective cover 1 that FIBC4 gets on.FIBC4 can feed before or after shielding cover gets on.Protective cover if be ready, also can up overlap from the bottom of sack, and this just requires perforate 3 than shown big among Fig. 2.But, if protective cover just set up from above before the FIBC charging then will be very easily.So not needing periphery with protective cover to open fully is enclosed within on the bag again.In addition, also can use its diameter cover on sacked material of with flexible material making more smaller just to put before, can be enclosed on the sack tightly to guarantee the charging back cover than bag.The air pocket that can help envelope to be stayed the FIBC upper part at the check valve (not shown) on cover top disengages.

In order to simplify the operation that sets up and to avoid forming air bag between cover and FIBC, the diameter of protective cover 1 should be greater than the diameter of FIBC.The length of protective cover 1 also can be got from the bottom that covers downwards FIBC fully to as only being trapped among the numerical value that eckband around the charging door 9 only covers its this segment limit of top.To be complete printed explanatory note when protective cover 1 is delivered to or only to stamp some marks, and the printing of the content of adorning can be finished in loading terminal subsequently.Lettering on water repellant plastic sheeting, its quality is much more superior than lettering on the fabric of FIBC.

The shown FIBC4 of Fig. 2 b, its charging door 9 are the belts 6 with elasticity and toughness, elastic for example, shielding cover before on the bag with its osed top.

It is closed that Fig. 3 illustrates FIBC4, and protective cover 1 has been loaded onto and be fixing.

It may be elastomeric that Fig. 4 illustrates belt 6() be how with the charging door osed top, and protective cover 1 is maintained at upright position at the same time.Carry circle and be with one on 5 and lift sleeve pipe 8, this sleeve pipe has description in No. the 0118112nd, the applicant's European patent.Protective cover can be at its bottom opening 10 place's lining cements, and hot melt, to tighten method etc. fastening with it, and it can upwards be wriggled when preventing that bag is raised, and is blown off when perhaps depositing out of doors.Carry circle 5 because the cause of the belt at close bag top is upright.FIBC can push away the height that builds up 2 to 5 bags.After a bag on it is removed, carry circle 5 because the relation of the said flexible belt in front will pop up.Like this, carrying circle just than being easier to by the bont of truck, perhaps may be that an independent hook is hooked to.This just can arrive such degree with the simplified control of " hook " and " unhook ", and consequently not needing to employ the special messenger specially takes charge of this thing.How many its effects depends on the hardness of the scrim of making FIBC.But fabric lacks hardness also can be compensated with following method, inserts as the reinforcement with a plastic bar form and carries in the circle 5, perhaps as shown in Figure 4, is wrapped in the latter half that each carries circle 5 with a belt 7.

Fig. 5 illustrates a FIBC4 who has protective cover 1, and its protective cover extends around the part to the FIBC4 bottom.One block protection plate 12 is remained on the due position by protective cover 1 and/or hide glue or hot melt as shown in FIG..Described plate 12 can be protected FIBC4 when FIBC4 is placed on the uneven surface, especially protect its lining to avoid damaging.After plate 12 had been installed, the thing of stone, sharp-pointed particle and so on just can not cause otch or hole on its lining.Plate 12 can be made with any suitable material, preferably spongiform or have aperture or groove so that water can be discharged.

Fig. 6 illustrates one embodiment of the present of invention, and it comprises protective cover 1 is fixed on carries circle each limit of 5 and utilize cover 1 that charging door is sealed.This is done in such a way that being about to cover 1 is enclosed within on the FIBC4 downwards, the conical portion on cover 1 top just in time is in carry circle 5 handle or sleeve pipe 8 below.Be preferably in each the latter half of carrying circle 5 and respectively twine a belt 7.To propose the most handy welding process sealing of top perforate of the cover 1 between 5 two one side of something of circle then.The upper end of cover 1 just is fixed on the FIBC4 like this.But the complete closed of charging door 9 also needs with hot air cover 1 to be shunk, and is fixed on two parts carrying circle 5 with two rubber astragals 6.

To cover 1 advantage that is fixed on the FIBC4 by this way and be that charging door 9 is sealed by cover 1, thereby pollutants can not enter FIBC inside.Another advantage is to carry the circle 5 easier devices that are raised to get at, particularly behind belt 7 and rubber band 6 in the configuration.

The present invention has disposed a protective cover for FIBC, and it is highly suitable for outdoor seasoning, and can be with the anti-sealing of very simple mode, snow and other containment ingressions in discrete material.It uses simple, and price is cheap.In addition, the hook of bont and unhook have also been oversimplified, and the quantity in stock of required FIBC also can reduce.

With behind the protective cover with material manufacture, just can on the material of FIBC itself, use comparatively cheap cloth with UV stable or ultraviolet-absorbing.In addition, if all marks and lettering all are imprinted on the cover, just can save a large amount of logistical costs, originally on one's body quality was both good cheap and the mark that is printed is also than being imprinted on FIBC.

Claims (10)

1, a kind of FIBC that is used to transport, store and promote discrete material, it comprises a protective cover (1), this protective cover (1) completely or partially covers FIBC (4), FIBC (4) disposes at least one and has lifting strap (11), a charging door (9) of carrying circle (5), a side wall construction and a bottom construction, it is characterized in that protective cover (1) is fixed on the lower part place of carrying circle (5) near FIBC (4), and charging door (9) itself is osed top, and protective cover (1) completely or partially covers in the outside face of FIBC (4).

2, the FIBC that has protective cover (1) as claimed in claim 1 is characterized in that protective cover (1) is to be fixed to securing device (6) to carry on the circle (5), and fixes with lining cement, hot melt at its lower edge, perhaps with hot air the part of cover is shunk.

3, the FIBC that has protective cover (1) as claimed in claim 1 is characterized in that FIBC disposes reinforcement in Qi Tiquan (5), and perhaps another kind of way is to twine a last stiffening band (7) in the bottom of carrying circle (5).

4, the FIBC that has protective cover (1) as claimed in claim 1 it is characterized in that cover (1) is fixed on each limit of carrying circle (5) bottom, and the top perforate of covering (1) is enclosed between two parts carrying circle (5), thereby has sealed charging door (9).

5, the FIBC that has protective cover (1) as claimed in claim 1 is characterized in that cover (1) is to be fixed on each limit of carrying circle (5) bottom with two bands (6), carries and is wound with two bands (7) on the circle.

6, the FIBC that has protective cover (1) as claimed in claim 1; it is characterized in that FIBC(4) below its bottom, include a fender (12), this plate (12) is to encase the protective cover (1) of part bottom and/or hide glue or hot empty method by extension to remain on that it is locational.

7, the FIBC that has protective cover (1) as claimed in claim 1 is characterized in that protective cover (1) made by waterproof materials, and this material also is suitable for printing, and has all or part of UV stable and the performance of ultraviolet absorption.

8, the FIBC that has protective cover (1) as claimed in claim 1 is characterized in that protective cover (1) covers in whole FIBC(4), therefore, FIBC(4) just needn't have UV stable.

9, the FIBC that has protective cover (1) as claimed in claim 1 is characterized in that protective cover (1) disposes a check valve, in order to excrete air at an upper portion thereof.

10, make the FIBC(4 have protective cover (1)) method, it is characterized in that protective cover (1) is fixed on FIBC(4) near its carry the place of the bottom of circle (5), charging door (9) is to tie up with belt and securing device (6), also may protective cover the bottom of (1) with belt, hot melt or make its contraction be fixed in FIBC(4) on.

Images