CN1745017A - Process and device for the manufacture and filling of flexible pouches - Google Patents

Abstract

Disclosed are flexible pouches including a process for manufacturing said pouches from preforms. Also disclosed is a process for manufacturing and filling said pouches wherein the preform/pouch is handled via the neck portion throughout the production line. In one embodiment, the filled pouch is further dressed, decorated, or inserted into a rigid outer container, for example a box. In a preferred embodiment, the production line is a modified version of the type commonly used for handling rigid containers, such as those used to manufacture and fill soft drinks.

Description

Be used to make device and technology with filling of flexible pouches

Technical field

The present invention relates to be used to make the technology with filling of flexible pouches, wherein said bag has one or more layer.Particularly in the multilayer bag, described layer is directly bonded to one another and be high flexibility and crash-resistant, thereby they are suitable for various packaging applications.These bags can be used as independently, and product maybe can be used for the container lining.

Background technology

Recently, the flexible pouch disposable pack ing that acts on liquid, liquid beverage and liquid food.This bag preferably satisfies many performance standards, the enough mechanical strengths that comprise foldability, optical clarity, the transparency and withstand harsh environment for use.Flexible pouch preferably provides the abundant obstruction that moist steam and other gas are passed through, to prevent to be contained in the pollution of article wherein.

The multilayer film that are generally used in the flexible pouch application are the polyethylene or the polypropylene of aluminising.Be used to anti-block or carbon dioxide migration such as those other multilayer film that comprise such as the antiseepage poly-mer of EVOH or MXD6.This membrane structure must the typical case utilize heat seal or suturing skill slow and that be difficult to fill to make bag.Owing to need the transmission meeting of beverage with straw inclusion very difficult.

In certain application, transportation box or other container usually are lined with thin plastic lining increasing the Keeping life of food or other commodity that rot easily, or prevent that product from revealing or overflow from the leak free transfer cask.This plastic lining usually is the sack form.Many methods and technology have been used to bag/liners is put into box and filled sack then.Yet a major defect of many these technologies is that the filling speed that can realize is slow.

Summary of the invention

Therefore needed be a kind of be used to make with filling of flexible pouches fast and the failure-free method and apparatus.In one embodiment, provide a kind of technology that is used at tinuous production manufacturing and filling of flexible pouches.This technology allows to increase and makes and filling speed, greatly reduces production costs thus, and preferably this technology is commericially feasible.In a preferred embodiment, tinuous production from have neck and main body, such as the preform that can be used for making bottle.This preform is blow molded into flexible pouch.Bag is filled with the product of wishing, and is closed then or capping (capped), to be used for last use.In one embodiment, the bag of the filling external container for example in the box of further being put, decorate and/or be inserted in order rigidity.In one embodiment, manufacturing line is the revision that is generally used for handling the manufacturing line of rigid container type, and such as the manufacturing line that is used to make and fill beverage, wherein system is revised as and handles the flexible pouch of using neck.

Bag can be the single or multiple lift Collapsible bag with neck finish (finish).In a preferred embodiment, Dai internal layer comprises polyethylene terephthalate (PET) or polypropylene.In one embodiment, polypropylene clarified polypropylene preferably.In other embodiments, suitable inner layer material includes but not limited to various poly-mers, such as polyester, comprises the polyolefin of polypropylene and polyethylene, and polycarbonate comprises the polyamide of nylon or acrylic resin.These materials can be used alone or in conjunction with each other.

The PET of some embodiment includes but not limited to modified PET and the PET that mixes with other material.An example of modified PET is " high IPAPET " or IPA modified PET, and wherein PET comprises high IPA (isophathalic acid) level, to provide such as the crystalline processing advantage that reduces.Another example includes but not limited to high stretching PET, the high stretching PET of recirculation and recirculation PET.

In other embodiments, suitable bag will have one or more skins, this skin comprises following material, described material includes but not limited to polyethylene, polypropylene, improved polyalkene, the modification elastomer, polystyrene, thermoplastic polyurethane, the copolyester impervious material, contain phenoxy group analog thermoplastic plastics, polyamide, PEN (polyethylene naphthalate), polyethylene naphthalate copolymers, polyethylene naphthalate/polyethylene terephthalate, polyethylene terephthalate, the compound of compatible polymeric and their combination.In another embodiment, skin utilizes physics or chemical foaming agent to provide as froth bed.

In one embodiment, the multilayer bag with neck finish comprises (a) first internal layer, and first internal layer comprises polyethylene terephthalate; (b) second skin, second skin comprises one or more materials, described material includes but not limited to polyethylene, polypropylene, improved polyalkene, modification elastomer, polystyrene, thermoplastic polyurethane; Wherein said bag is by the suitable blow molding operation manufacturing of preform.In another embodiment, skin utilizes physics or chemical foaming agent to be set to froth bed.The bag of preferred embodiment also comprises bottle neck finish, and this bag can be filled with high yield at suitable interstitial wire.That a kind of bottle neck finish of embodiment is preferably screw thread or the tool hat.In the embodiment of the bottle neck finish of utilizing the tool hat, the crown type neck finish preferably can receive the type of snap-on open/close fitment.In one embodiment, preferred bag can also comprise push away-La or nothing are overflowed annex, or other suitable bottle closure member.

In one embodiment, the preform with neck finish that is suitable for being blow molded into the flexible pouch with neck finish can prepare by orthodox method well known to those skilled in the art, include but not limited to overmolding, injection, and injection-mistake injection altogether.For example, can use the U.S. Patent No. of submitting on April 21st, 1,999 6,352,426, the U.S. Patent No. 6 that on October 19th, 1998 submitted to, 391,408, the U.S. Patent No. 6 that on October 17th, 1997 submitted to, 312,641, the U.S. Patent application No.10/090 that on March 4th, 2002 submitted to, 471, corresponding to the U.S. Patent application No.10/395 that submitted on March 21st, 2003, the open WO03/080731 of 899 PCT, and the U.S. Patent application No of submission on July 3rd, 2003, the method that discloses in 10/614,731, these methods are incorporated into here by reference in its entirety.

In one embodiment, manufacturing and interstitial wire comprise various modules or the system that utilization keeps the conveyor/handler/transporter of flexible pouch to link together by neck.Suitable system includes but not limited to handle, and makes and fill system.The device that is used in one embodiment make with filling of flexible pouches comprises: the disposal system that (a) transmits flexible pouch by manufacturing and fill system; (b) manufacturing system, this manufacturing system comprise the have neck finish preform of (finish); And blow moulding machine, wherein said preform is blow molded into the flexible pouch with neck finish; And the fill system that (c) comprises filling machine, wherein said flexible pouch is filled by the product of expectation; And sealing or capsuling machine (capping machine), wherein said flexible pouch is closed; Wherein disposal system is beneficial to neck and transmits preform and flexible pouch by total system.

In another embodiment, preferred manufacturing and interstitial wire also comprise decoration, modify, and/or bag is inserted in the rigid container.Bag can be after it be filled or before decorate, modification, and/or bag inserted in the rigid container.

Description of drawings

Fig. 1 shows the non-limiting examples of preferred production line.

Fig. 2 shows the non-limiting examples of preferred preform.

The specific embodiment

Be appreciated that the intensity and the flexibility that need to have increase in the art, the flexible pouch of the failure-free conveying mechanism of filling easily and preventing to overflow always.Simultaneously, it may be other necessary characteristic that this bag must be able to provide for specific products, for example good optical characteristic, chemically neutral, intensity, rigidity and the anti-property revealed.Need to allow to carry out the technology of the high speed filling of flexible pouch in addition in the mode of economy.

In one embodiment, disclosed in tinuous production and to have made and the technology of filling of flexible pouches.This technology allows to make and filling speed increases, and has greatly reduced productive costs thus, causes this process economics feasible.In a preferred embodiment, a kind of tinuous production is from the preform (preform) of the type that is generally used for making bottle, and preform is blow molded into flexible pouch then, and bag is filled by the product of expectation, and sealing then, is used for final use.In one embodiment, the bag of filling is further modified, and decorates and/or inserts in rigid outer container such as the box.Implement in the profit at other, bag was put into rigid outer container before filling and/or modify, decorating.In a preferred embodiment, manufacturing line is the revision that is used to handle the type of rigid container, such as the manufacturing line that is used to make and fill soft drink.Preferred fill process is the technology that is used to fill the type known in the art of PET bottle.This system includes but not limited to aseptic, the hot filling or freezing interstitial wire.

A. material

I. the physical property of preferred pouches

One or more can the realization in the following advantage by preferred embodiment.Stretching blow out on the blow moulding machine can catch by neck and keep and directly transmit by each step of manufacturing process by the lightweight pouches of preform manufacturing.Bag can be made an investment on present PET or the glass interstitial wire with the filling speed of economy and additional finance seldom and fill.This interstitial wire can be designed as traditional bottle of effective filling or flexible pouch.This ability that can catch neck and transmission flexible pouch that runs through filling and technology of the package allows the high speed processing flexible pouch and significantly reduces manufacturing cost.In addition, the neck finish of preferred embodiment has avoided being used to distributing the gable top material of the costliness well known in the art of beverage.

Foldability be the expectation with provide the bag more suitable and completely the drainage.Different with rigid liquid containers, it relies on the exhaust that is used to drain, and flexible pouch relies on the folding property that is used to drain.Along with bag is drained, bar pressure with the proportional speed shrinkage of drainage rate bag.By this way, bag can be drained fully.But for the bag shrinkage, bag should have flexible wall.If wall is too hard, bag will not exclusively be drained.Therefore, but a kind of consideration in the design of flexible pouch is a wall construction preferably has sufficient flexibility and shrinkage can fully draining.

In certain embodiment, wish to deliver to the end user at the bag that will fill, for example shop or vending machine carry out disinfection to flexible pouch, bag contents or bag and its contents before.This helps to guarantee that bag and its contents will not pollute in fact.Thus, the other consideration of the flexible pouch of certain embodiment is that bag preferably advances by sterilization process, and never degenerates in fact.

The flexible pouch of preferred embodiment preferably has sufficient mechanical, to withstand the abuse that the typical case runs in the environment for use.This environment comprises interstitial wire, packing and distribution system, and end user's stored.Bag preferably can be used in these environment and does not reveal in fact under these conditions, ruptures or overflows.

In flexible pouch was inserted embodiment in the rigid outer container, bag/rigid outer container system was optimised on can function, so that various characteristics to be provided, such as defending oxygen or CO ₂anti-ly blend hot filling characteristic.

2. preform details

In one embodiment, the preform that is suitable for blow molding into flexible pouch includes but not limited to the single or multiple lift preform, and described preform comprises and utilizes barrier resin, oxygen scavenger and bactericidal agent.(see the U.S. Patent No. 6 that on April 21st, 1999 submitted to, 352,426, the U.S. Patent No. of submitting on October 19th, 1,998 6,391,408, the U.S. Patent No. of submitting on October 17th, 1,997 6,312,641, the U.S. Patent application No.10/090 that submitted on March 4th, 2002,471, the U.S. Patent application No.10/395 that submits to corresponding on March 21st, 2003, the open WO03/080731 of 899 PCT, and the U.S. Patent application No that submitted on July 3rd, 2003,10/614,731, the content that they disclose is incorporated into here by this reference in its entirety.

Bag can be the single or multiple lift bag.In a preferred embodiment, Dai internal layer comprises polyethylene terephthalate (PET) or polypropylene.In one embodiment, polypropylene clarified polypropylene preferably.Except others, establish and can use by the single or multiple lift bag of polypropylene manufacturing, and the filling temp of product needed raising or " heat is filled ".

The PET of certain embodiment includes but not limited to modified PET, recirculation PET and the PET that mixes with other material.An example of modified PET is high IPA PET or IPA modified PET, and wherein PET comprises high IPA (isophathalic acid) level so that the processing advantage such as the crystallizability that reduces to be provided.Another example is high stretching PET, and wherein PET is modified, to strengthen its stretch capability.

Although preferred embodiment is described with polyethylene terephthalate (PET) or polypropylene, it is various such as polyester that but other suitable inner layer material includes but not limited to, the polyolefin that comprises polypropylene and polyethylene, polycarbonate, the polyamide that comprises nylon, or acrylic resin.These materials can be used alone or in conjunction with each other.

In other embodiments, suitable bag will have one or more skins, described skin comprises one or more materials, and described material includes but not limited to, polyethylene, polypropylene, improved polyalkene, modification elastomer, polystyrene, thermoplastic polyurethane, the copolyester impervious material contains phenoxy group analog thermoplastic plastics, polyamide, PEN, polyethylene naphthalate copolymers, polyethylene naphthalate/polyethylene terephthalate, polyethylene terephthalate, the compound of compatible polymeric, and their combination.In another embodiment, skin utilizes physics or chemical foaming agent to be set to froth bed.Skin also can comprise recycled materials.

With the same here, " containing phenoxy group " resin is also referred to as and contains phenoxy group analog thermoplastic plastics, comprises material widely as above-mentioned term, and this material is included in those materials of discussion among the WO 99/20462.The further subclass that contains phenoxy resin and thermoplastic epoxy is preferred hydroxy benzenes oxygen ether polymer, and wherein poly-hydroxyl amino ether copolymer (PHAE) is further preferred material.For example, suitable PHAE resin comprises the BLOX resin, and this BLOX resin can be from The Dow ChemicalCompany, Midland, and MI, USA obtains.Referring to for example U.S. Patent No. 6,455,116; No.6,180,715; No.6,011,111; No.5,834,078; No.5,814,373; No.5,464,924; And No.5,275,853; Also see also the open WO 99/48962 of PCT; WO99/12995; WO 98/29491; With WO 98/14498.Other is suitable contains phenoxy resin and the thermoplastic epoxy subclass includes but not limited to, such as U.S. Patent No. 5,089, the hydroxyl functional of describing in 588 and No.5,143,998 poly-(acid amides-ether), such as U.S. Patent No. 5,134, poly-(hydroxy amide-ether) described in 218, such as U.S. Patent No. 5,115,075 and No.5,218, the polyethers of describing in 075, such as U.S. Patent No. 5,164, the hydroxyl functional polyethers of describing in 472, such as U.S. Patent No. 5, the hydroxyl functional of describing in 149,768 poly-(ether sulfonamide) is such as U.S. Patent No. 5, poly-(the hydroxy ester ether) described in 171,820.

The copolyester impervious material comprises compares the terephthalic acids with good barrier properties with PET, the polyester of isophathalic acid and at least a glycol, such as the U.S. Patent No. 4 of authorizing Jabarin, 578, disclose in 295, and they are as B-OlO, and other material of B-030 and this family can commercially obtain.(MitsuiPetrochemical kid.Ltd., Japan);

The example of preferred polyamide material comprises the MXD-6 from Mitsubishi Gas Chemical (Japan).Other preferred polyamide material is polyamide and polyester and compound, comprises having those of polyester that percentage by weight is approximately 1-10%, wherein preferably PET or modified PET of polyester.Compound can be that common mixt or they can be compatible with antioxidant or other material.This examples of material comprises the U.S. Patent application No.10/395 that submitted on March 21st, 2003, describes in 899, and this patent application is incorporated into here by reference in its entirety.Polyamide material also can be used as backing material.

Other preferred material includes but not limited to polyamide, PEN (PEN), PEN copolymer, PEN copolyesters, PET/PEN compound, and their combination.Preferred material also includes but not limited to acrylic resin, and acrylic resin comprises polyacrylonitrile polymer, acrylonitrile styrene copolymer.The PEN material can be bought from Shell Chemical Company.

In another embodiment, comprise polyamide, PET or contain the co-polymer of PET, and the compound of the compatible polymeric of at least a bulking agent can be as one or more layers of preform/bag.In a preferred embodiment, the compound of compatible polymeric comprises polyamide, is preferably MXD-6, PET or contain the copolymer of PET, and the bulking agent of at least a IPA of being selected from modified PET and PET ionomer (seeing the U.S. Patent application No.10/395 that on March 21st, 2003 submitted to, 899).

In one embodiment, the multilayer bag comprises (a) first internal layer, and this first internal layer comprises polyethylene terephthalate, (b) second skin, this second skin comprises one or more materials, this material includes but not limited to polyethylene, polypropylene, improved polyalkene, the modification elastomer, polystyrene, and thermoplastic polyurethane, wherein said bag is by the suitable blow molding operation manufacturing to preform.In another embodiment, skin utilizes physics or chemical foaming agent to be set to froth bed.The bag of preferred embodiment also comprises bottle neck finish, and this bag can be filled at suitable interstitial wire with high yield.The bottle neck finish of an embodiment preferably screw thread or tool hat.In utilize the embodiment of tool hat, bottle neck finish, crown type neck finish preferably can receive the type of snap-on open/close fitment.In one embodiment, preferred bag can comprise also that push-and-pull or nothing overflow annex, or other suitable bottle closure member.

In one embodiment, the preform that is suitable for blow molding into soft bag includes but not limited to overmolding by orthodox method preparation well known to those skilled in the art, injection altogether, and injected injection.For example can use the U.S. Patent No. of submitting on April 21st, 1,999 6,352,426, the U.S. Patent No. 6 that on October 19th, 1998 submitted to, the U.S. Patent No. 6 that on October 17th, 391,408,1997 submitted to, 312, the U.S. Patent application No.10/090 that on March 4th, 641,2002 submitted to, 471, corresponding to the U.S. Patent application No.10/395 that submitted on March 21st, 2003, the open WO03/080731 of 899 PCT, and the U.S. Patent application No that submitted on July 3rd, 2003,10/614, the method that discloses in 731, these methods are incorporated into here by reference in its entirety.In one embodiment, the preform of overmolding preferably utilizes U.S. Patent No. 6,312, and 641 and the open WO 99/20462 of PCT, the method manufacturing of describing in detail among WO00/62998 and the WO 01/40618.Making by overmolding technology among the embodiment of preform, overmolding technology allows the processing flexibility of height, with the consideration structural strength, and the accuracy control of multilayer film, and do not have overflow container.

In one embodiment, have the flexible multi-layered bag that abundant rigidity is used for self-standing storage beverage and comprise (a) first internal layer, first internal layer comprises and is selected from PET or polyacrylic material, (b) second skin, second skin comprises polyolefin, polystyrene, or polyurethane film, coating or foam texture, and (c) suitable bottle sealing member, or push-pull closure, or " nothing is overflowed " annex sealing member, described bag utilizes preform by suitable blow molding process manufacturing together with neck finish, and fills on suitable bottle interstitial wire.

3. decorate

In one embodiment, flexible pouch is further modified, and decorates, and/or inserts rigid outer container for example in the box.In a preferred embodiment, rigid outer container comprises liner board or shaping fiber.In one embodiment, making the bag that is placed in the external container can will be provided by external container because support with the weight manufacturing that alleviates.For example, the juice bottle with 16 ounces of PET of 38mm neck finish can have the total weightes of 30 grams to be provided for product treatment as bottle, the support/structure of necessity of transportation and storage.Yet the bag/lining of similar capacity can be with preform (for example, the about 20 grams) blowing that reduces weight, because the self-supporting container characteristics offers bag/lining by external container.In one embodiment, bag/lining also can form when the bag/lining of filling falls into box/container space-time air-capacitor and easily discharge.

In one embodiment, outer carton can comprise the pretreatment or the material that is untreated.Optimal way is that outer carton presents one or more following characteristics: high wet strength, structural strength, and/or water repellency.In one embodiment, these characteristics can be realized by the polymer impregnated or coating of outer carton.In one embodiment, can provide one or more desired characteristics, but and provide recyclable container with poly-hydroxy amino ethers or PET dipping or coating.(see WO 01/46523, its whole disclosure content is incorporated into here by this reference), in another embodiment, the shaping fiber article with hinge can be utilized, equally with the form of processing or the form of non-processing, to strengthen physical property or outward appearance (figure).The bag of certain embodiment can be by prefabricated shaping fiber construction packages, and the bottom of shaping fiber is hinged to the top, and two parts bond together under neck finish.In another embodiment, thermal contractive label can be applied on the shaping fiber structure to give the characteristics below one or more: figure, intensity and/or fire resistance characteristic.

Preferred external cartons/boxes can be constructed by various paper pulp or paper product, and needn't be concerned about direct food contact.In other embodiments, can use the shaping fiber structure as required, old corrugated board, not bleaching or bleached pulp liner board unusual design and shape to provide bottle not realize.The coating of preferred embodiment or multilayer laminated structure can be designed for physical strength or outward appearance and needn't be concerned about direct food contact problems.Incorporating the product as Kymene, the product that contains phenoxy group or spraying PET emulsion into can give and shaping fiber structure structural strength and water repellency.This flexibility provides in the outward appearance with least cost and optimization and provides economic optimum aspect the functional package.

In one embodiment, the outward appearance of external container and intensity can by as the U.S. Patent No. 5,603,996 of authorizing Overcash etc., No.5,981,011, No.6,132,822, No.6, the film of instruction moves membrane coat and strengthens in 187,389 and No.6,193,831.Suitably preparation and apply move membrane coat and can provide that image receives, high glaze for the container of recirculation fully, the Barrier coat surface.The coating of these types can provide metallized outward appearance, and keeps the complete recirculation of cardboard external container.In addition, hologram or other security feature can be included in film and move in the membrane coat, to help to prevent to forge or provide the evidence of distorting.

Packing can be designed as recirculation fully, and unlike the cardboard case of current plastics or paper gable top.These packings can by simply with bag from cardboard case pull out with plastic lining is separated with cartons/boxes be used for its separately recirculation flow and fully recirculation.

B. the manufacturing line of Xiu Gaiing

As mentioned above, in a preferred embodiment, continuous manufacturing line is from being blow molded into the preform of flexible pouch, and bag is filled with the product of expectation then, and sealing, to be used for final use.In one embodiment, rigid outer container is further modified, decorated and/or inserted to the bag of filling for example in the box then.In other embodiments, bag is put into rigid outer container before filling.In a preferred embodiment, manufacturing line is such as being used to make and fill soft drink, being generally used for handling the revision of the type of rigid container.The manufacturing line of preferred embodiment is revised as and runs through the neck that whole production line is handled flexible pouch.Preferred fill process is the technology that is used to fill the type well known in the art of PET bottle.That this system includes but not limited to is anticorrosion, heat is filled or freezing interstitial wire.

As mentioned above, the manufacturing line of preferred embodiment is the revision that is generally used for handling the type of rigid container.In traditional interstitial wire, in case preform is blown to rigid container or bottle, container/bottle just is put into the operator's station conveyer or forces on the air conveyor, and wherein container/bottle is in direct contact with one another.Such conveyer is suitable for rigid containers/bottles, because they are self-supportings.Yet if the characteristic of the flexible pouch that is, such processing is infeasible, especially if keep the speed of production of increase.Therefore, in order to handle the flexible pouch of preferred embodiment, handle preform/bag in order to run through production technology by neck, traditional manufacturing line is modified.This modification allows be similar to high-speed production and filling of flexible pouches in those the system that is used for rigid container.Advantageously, the preferred embodiment of revising disposal system can use with traditional blow mold and fill system.In a preferred embodiment, suitable fill system is well-known to those skilled in the art and can is KronesAG (Germany) or Sidel (Le Havre, the France) type of producing.For example, the Mecafihl VKPPET from Krones is the filling machine that is suitable in the preferred embodiment.The suitable blow moulding machine of preferred embodiment is a type well known to those skilled in the art and Sig Corpoplast (Germany) production.For example, can be used to blow moulding machine in a preferred embodiment from the BLOMAX of Sig Corpoplast  series III.In addition, the centreline space of conventional production lines is every keeping identical in an embodiment.

In a preferred embodiment, the disposal system of conventional production lines is modified, to run through the neck of manufacturing and fill process processing as the flexible pouch of independent unit.The bag of preferred embodiment is preferably transmitted by positive transfer system and passes through manufacturing line, positive transfer system is each system of having a mind to hold bag in manufacturing line at specified place, for example, transfer system can transmit the place at each and hold bag at the stealing band (pilferband) of neck finish.In other embodiments, transfer system is held bag in neck cylinder or support ring.Those skilled in the art will recognize that the many points on the rigid neck portion provide suitable transmission point.The suitable connecting gear of preferred embodiment includes but not limited to the spring-loaded fork, from the piston of the inner grasping of bag, and the cylinder on the neck finish top.Other suitable connecting gear is well known to those skilled in the art.Suitable disposal system can obtain from Procomac Packaging (Collecchio (PARMA) Italy).For example, in one embodiment, can use CONVAIR2000 disposal system from Procomac.

Fig. 1 has described an embodiment of preferred production line.The disposal system of each website in the connected system is by the double-type parallel lines indication that connects various elements.In preferred manufacturing line, preform 10 enters manufacturing line, enters blow-molding system, and it is blow molded 20 one-tenth flexible pouch subsequently at this place.The bag then randomly before advancing to fill system by rinsing 30.In case in fill system, bag is by the product filling 40 and capped (the coating top) 50 of expectation.The bag of filling can randomly be dried 60.Rigid outer container 70 modified, decorated and/or put into to bag can before neck disposal system 80 discharges.As selection, modify, decorate, and/or put into external container and can carry out, or can after system discharges, carry out at neck in one or more other positions of manufacturing line.Bag can be sent to case or palletizer 90 then, is used for selling.Other element can randomly be included in this system.

Fig. 2 has described an embodiment in the cross section of preferred preform 100.Preform 100 comprises that neck finish 110 and base portion 120. neck finish 110 begin to the inside of preform 100 and extend to support ring 140 and comprise support ring 140 at opening 130.In the illustrated embodiment, neck finish 110 is further characterized in that and exists screw thread 150, screw thread 150 that the fastening mode that is used for the lid of the bottle produced by preform 100 is provided.In other embodiments, neck finish 110 can be non-threaded and/or otherwise be fit to receive sealing member.Under neck finish 110, be neck cylinder 190 just.Neck finish forms so-called neck here with neck cylinder, and comprises the part of preform, and disposal system is preferably handled preform by a described part.Base portion 120 is elongated and preferably extends downwards from neck cylinder 190, by excessive 180 and columnar structured extremely in nose circle lid 160.

In preferred bag, the wall ratio volumetric standard of bag or bottle are thin, and this allows hardening time short after blowing, increased speed of production thus, for example, under the condition that is suitable for blowing bottle/container, each die cavity of each blow mold is approximately produced 1500 containers.Owing to reduced hardening time, this can be increased to each die cavity about 2000 or more a plurality of container in preferred flexible pouch embodiment, in a preferred embodiment, the mean thickness of flexible pouch sidewall is from about 0.003 to about 0.010 inch (about 0.0076 to about 0.025 centimetre).The hardening time of this weak point allows speed of production to reach the per hour preferred embodiment of 50,000 to 70,000 bags in conjunction with the speed of rigidity interstitial wire.

Above-mentioned the whole bag of tricks and technology provide many modes that lining are provided and comprise the container of this lining.It will be appreciated, of course, that according to described any specific embodiment, needn't realize described all purposes or advantage.Therefore, for example those skilled in the art will recognize that can with as the realization of instruction here or maximize the mode constructing apparatus and/or the manner of execution of an advantage or one group of advantage, and needn't or enlighten other purpose of realization or advantage as institute's instruction here.

In addition, those skilled in the art will recognize that interchangeability by the various features of different embodiment.Similarly, above-mentioned various features and step, and other known equivalents that is used for each this feature or step can be mixed and be matched by those of ordinary skills, to carry out the whole bag of tricks according to above-mentioned principle.

Although in the context of certain embodiment and example, disclosed the present invention, it will be understood by those skilled in the art that by invention to extend beyond the embodiment of concrete disclosure to other alternate embodiments and/or its use and tangible the modification and equivalent.Therefore, the present invention is not intended to the disclosure content restriction by concrete preferred embodiment.

Claims (21)

1, a kind ofly be used to make and the technology of filling of flexible pouches, described technology comprises:

The preform that will have neck is blow molded into the flexible pouch with neck finish;

Product with expectation is filled described flexible pouch;

Bag that sealing is filled or bag capping to filling;

Wherein the neck of preform and bag is used to run through described PROCESS FOR TREATMENT preform and bag.

2, technology according to claim 1, wherein said technology also comprise decorates and/or modifies described bag.

3, technology according to claim 2, wherein described bag is filled at the decoration of bag and/or before modifying.

4, technology according to claim 1, wherein said technology also comprise puts into rigid container with bag.

5, technology according to claim 4, wherein described bag is filled before bag is put into rigid container.

6, technology according to claim 4, wherein said rigid container is a box.

7, technology according to claim 1, wherein said bag has at least one layer.

8, technology according to claim 7, wherein at least one layer comprises polyethylene terephthalate or polypropylene.

9, technology according to claim 1, wherein said bag has one or more skin, described skin comprises the material that is selected from following material group: polyethylene, polypropylene, improved polyalkene, modification elastomer, polystyrene, thermoplastic polyurethane, the copolyester impervious material contains phenoxy group analog thermoplastic plastics, polyamide, PEN, polyethylene naphthalate copolymers, polyethylene naphthalate/polyethylene terephthalate, polyethylene terephthalate, the compound of compatible polymeric, and their combination.

10, a kind ofly be used to make and the device of filling of flexible pouches, comprise:

Transmit preform and/or flexible pouch disposal system by manufacturing and fill system; And

The manufacturing system that comprises blow moulding machine;

Fill system, described fill system comprises:

Filling machine;

Sealing or capsuling machine;

Wherein said disposal system runs through total system by neck and transmits preform and flexible pouch.

11, the preform that device according to claim 10, wherein said blow moulding machine will have neck is blow molded into the flexible pouch with neck.

12, device according to claim 10, the wherein said filling machine product filling of flexible pouches of expectation.

13, device according to claim 10, the flexible pouch that wherein said sealing or capsuling machine sealing are filled.

14, device according to claim 10, wherein said device also comprise decorate and/modify the system of flexible pouch.

15, device according to claim 14, wherein said decoration and/system of modifying bag is placed on before the fill system.

16, device according to claim 10, wherein said device also comprises the system that flexible pouch is put into rigid container.

17, device according to claim 16, the wherein said system that flexible pouch is put into rigid container is placed on before the fill system.

18, device according to claim 16, wherein said rigid container is a box.

19, device according to claim 10, wherein said bag has at least one layer.

20, device according to claim 19, wherein said at least one layer comprises polyethylene terephthalate or polypropylene.

21, device according to claim 10, wherein said bag has one or more skins, described skin comprises the material that is selected from following material group: polyethylene, polypropylene, improved polyalkene, modification elastomer, polystyrene, thermoplastic polyurethane, the copolyester impervious material contains phenoxy group analog thermoplastic plastics, polyamide, PEN, polyethylene naphthalate copolymers, polyethylene naphthalate/polyethylene terephthalate, polyethylene terephthalate, the compound of compatible polymeric, and their combination.

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