CN103373520A - Bag for the containing of gas-producing liquid products, in particular yeast - Google Patents

Bag for the containing of gas-producing liquid products, in particular yeast Download PDF

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Publication number
CN103373520A
CN103373520A CN201310134813.5A CN201310134813A CN103373520A CN 103373520 A CN103373520 A CN 103373520A CN 201310134813 A CN201310134813 A CN 201310134813A CN 103373520 A CN103373520 A CN 103373520A
Authority
CN
China
Prior art keywords
sack
film
outer film
spacer element
density polyethylene
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201310134813.5A
Other languages
Chinese (zh)
Inventor
F·戈利奥
G·博蒂尼
L·方托尼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goglio SpA
Original Assignee
Goglio SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Goglio SpA filed Critical Goglio SpA
Publication of CN103373520A publication Critical patent/CN103373520A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/01—Ventilation or drainage of bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/04—Bags or like containers made of paper and having structural provision for thickness of contents with multiple walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5861—Spouts
    • B65D75/5872—Non-integral spouts
    • B65D75/5877—Non-integral spouts connected to a planar surface of the package wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/72—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials

Abstract

Bag for containing liquid products which produce gas, in particular yeast, of the double wall type, comprising two opposite faces (2) joined one to the other along a perimeter heat-sealing line (3) and a spout (7) for delivering the liquid product placed on one of these faces (2), the double wall of the bag comprising a high permeability inner film (5) and a reinforcing outer film (6), wherein at least in the upper part of each of said two opposite faces (2) of the bag (1), between said inner film (5) and said outer film (6) at least one spacer element (10) is provided, attached to the outer film (6) at at least one opening (19) formed therein and provided with holes (17) for the release of the gases which permeate through said inner film (5).

Description

Be used for holding the liquid product sack of yeast especially that produces gas
Technical field
The objective of the invention is a kind of sack, described sack is used for holding the liquid product that produces gas, in particular for making the yeast of bread.
Background technology
In the following description with specific with reference to yeast, but should be understood that the present invention also can be applied to produce at lay up period any liquid or the pasty materials of gas.
Yeast is generally liquid in the production phase, but commercially available in order to put on market, and in most of the cases, yeast is thereupon dehydrated, to be used for converting it into Powdered or to change into the form of solid mass.In operational phase, will be so that yeast returns to liquid form again.
Recently, existing directly with the trend of liquid form production and packing yeast, change into solid-state and change into the liquid transformation stage from solid-state during use from liquid state otherwise be to have eliminated at production period from practice and economic its favourable part of angle.
The existing problem of storing liquid yeast is that yeast produces a large amount of gases, especially produces carbon dioxide, and generation can be up to one day 1-3 liter for the packing of 10 liters or 20 liters.
Therefore need a kind of sack, described sack has on the one hand for the highly-breathable of gas enough toughness is arranged on the other hand, and for the weight of bearing content, the capacity of these sacks is generally 10 liters or 20 liters.
In order to satisfy these demands, " double-walled " sack has been proposed, that is, described sack has: the interior film of polyvinyl, described interior film have for the high permeability to air of carbon dioxide and very thin thickness (30-50 μ m) and therefore mechanical strength is very poor; With the outer film that laminate by nylon based consists of, the thickness of described outer film is 80-150 μ m and is suitable for giving sack essential mechanical strength.
Sir-tight outer film has a plurality of apertures, to allow to discharge the gas that passes interior film.
The sack that is shaped in this way is arranged in the cardboard box by this way, in order to consist of the packing of so-called " bag in the box " that can operation readiness.
Mention more than that the sack of type is confirmed and make us discontented part and be that although be provided with the outer film of perforation, what have been noted that is usually to exist so that the undesirable air release of sack inflation.
This is due to the fact that, that is, when the sack that will be filled with liquid yeast was inserted in the carton box, described sack adapted to described box, thereby cause except the head space that maintains the space of sack, between the inwall of the outside face of sack and box, produce pressure contact.
This pressure contact causes secure adhesion between the interior plastic sheeting of sack and the outer plastic sheeting, especially cause the hole that is arranged in the outer film to occur to stop up and therefore stop and discharge gas, described gas is tending towards accumulating in the top of sack, little perforated surface owing to outer film in described top contacts with the inwall of receiver, so be difficult to discharge described gas.
Summary of the invention
The objective of the invention is to eliminate existing defects in the prior art.
More especially, the object of the present invention is to provide a kind of sack for liquid yeast, described sack allow to be contained in wherein product fully and rapidly exhaust.
Another object of the present invention is to provide a kind of such sack, and described sack manufacturing is simple and have a manufacturing cost advantage.
Bag according to the invention has according to enclosing independent claims 1 described feature.
Advantageous embodiment of the present invention is disclosed by attached claim.
Basically, bag according to the invention is so-called double-walled type, described sack comprises the interior film of the polyvinyl with highly-breathable and the outer enhancement layer casting die of nylon based, wherein, at least in the top of each face of sack, between interior film and outer film, be provided with at least one spacer element, described spacer element is attached to along periphery between these films and forms the opening in the outer film and be provided with for the hole that discharges gas.
Advantageously, this spacer element comprises the perforation body, and described perforation body has peripheral skirt, and described peripheral skirt is heat-sealed to described outer film, and described spacer element also comprises the possible seat section that is used for containment cap or cover, and it is also bored a hole.
Preferably, the interior film of sack is 30 μ m(28g/m 2) the co-extrusion linear low density polyethylene, and outer film is to comprise being arranged in two-layer 38 μ m(35g/m 2) co-extrusion linear low density polyethylene-vinyl acetate co-polymer layer between 15 μ m(17g/m 2) OPA(nylon) layer laminate.
Skin with linear low density polyethylene matrix allows outer film is heat-sealed to the interior film that has equally the polyethylene matrix, and allow spacer element is heat-sealed to outer film, simultaneously, OPA(oriented polyamide in the middle of occuping, biaxial tension nylon film) layer is given sack with toughness (toughness).
Description of drawings
Reference is in the accompanying drawings only with one in the non-limiting example illustrated embodiment, and by following detailed description, further feature of the present invention will be more clear, in described accompanying drawing:
Fig. 1 is the schematic plan view of bag according to the invention;
Fig. 2 is the section drawing of the amplification of the line II-II in Fig. 1, and it comprises a single face of sack;
Fig. 3 is the section drawing that is amplified to the degree that is slightly poorer than Fig. 2 along the line III-III acquisition of Fig. 1;
Fig. 4 is the perspective schematic view of the sack of Fig. 1.
The specific embodiment
With reference to these accompanying drawings, represented bag according to the invention with Reference numeral 1, described sack is used for holding the liquid product yeast especially that produces gas.
Described sack comprises two relative faces 2, and described 2 combines by peripheral heated sealant section 3, and the peripheral portion 4 that described peripheral heated sealant section 3 is parallel to described sack extends.
In the accompanying drawings, sack 1 has been illustrated as the rectangle that is easy to make, but should be appreciated that described sack can have any shape.
This sack 1 is exactly so-called double-walled type---and each face in two relative face 2 includes double-layer films: interior film 5 and outer film 6, described interior film 5 and described outer film 6 are separated from each other out, and only combine at described peripheral heated sealant line 3 places.
On the face in two faces 2 of sack 1, be provided with for the ozzle 7 that fills or pour out product, described ozzle 7 has circular base flange 8, described circular base flange 8 is sealed on the corresponding face 2 internally, simultaneously, ozzle 7 pass be formed on the hole in this face and stretch out and by the lid 20 sealings.
The interior film 5 of the double-walled of sack have for gas especially for carbon dioxide highly-breathable---the yeast that is contained in the sack produces a large amount of gases, greater than 50l/m 2Every day barometric pressure.Described interior film 5 has poly matrix, and for example co-extrusion (coextruded) linear low density polyethylene and its have very thin thickness (for example about 30 μ m), to be used for obtaining above-mentioned highly-breathable value.
A little less than the words that this film uses separately are highly brittle, so it is easy to be torn.
Therefore, outer film 6 is born and is given the sack toughness and avoid impaired easily task.
This outer film 6 is generally has some layers laminate, for example comprises:
-ground floor, described ground floor are that thickness is that 38 μ m and weight are 35g/m 2Co-extrusion linear low density polyethylene-vinyl acetate co-polymer (LLDPE-EVA) layer;
-the second layer, the described second layer are that thickness is that 15 μ m and weight are 17g/m 2Biaxial tension nylon film (OPA, nylon) layer;
Three layers of-Di, described the 3rd layer is that 38 μ m and weight are 35g/m for thickness 2Co-extrusion linear low density polyethylene-vinyl acetate co-polymer layer.
Very naturally, the number of plies that consists of the laminate of outer film 6 can be different from the number of plies of explaining---as long as it comprises such as the layer with high tenacity of biaxial tension nylon film (nylon) layer and the skin of at least one polyvinyl, to allow to apply peripheral heated sealant section 3 and to allow to carry out the heated sealant of the base portion 8 of ozzle 7, and the heated sealant of the interior film 5 of each face 2 of sack 1 and the spacer element 10 between the outer film 6, as will describing in detail now.
In fact, adhere to each other for fear of two films when sack 1 being inserted into the receiver (bag in the box) that usually is cardboard box, at least in the top of each face 2 of sack, substantially be positioned at the level height place that pours out with ozzle 8, be furnished with spacer element 10, it allows the film 5 and 6 of respective face 2 to keep certain distance on the one hand, and allows on the other hand to discharge the especially gas of carbon dioxide by outer film 6.
In Fig. 1 and Fig. 4, the spacer element 10 in ozzle 7 left sides is arranged on the front of sack, and the spacer element ozzle right side, that dot in Fig. 1 is arranged on the back side.
Cross section with reference to the amplification of Fig. 2 it should be noted that spacer element 10 has: base portion body 11, described base portion body 11 have for accommodating lid or cover 13 seat section 12; With peripheral edge portion 14, described peripheral edge portion 14 is sealed on the inside face of outer film 6.
According to Fig. 2 illustrated embodiment, in the base wall 15 of base portion body 11 and sidewall 16, be provided with hole 17, and at cover corresponding hole 18,28 is set in 13, thus by the gas that is contained in the yeast especially carbon dioxide that produce, that pass interior film 5 in the sack 1 can pass above-mentioned hole 17,18,28 and the opening 19 or the corresponding aperture that are arranged on described cover 13 places of outer film 6 emit.
Obtain shown in figure 2 spacer element 10 by the one-way exhaust valve of revising the applicant, wherein removed on this check valve, prevent from flowing into inner barrier film from the gas of outside, and wherein formed additional hole 17,18.
Yet should be understood that separate and allow gas to pass through in the situation of function of its release at the maintenance film 5 and 6 that does not damage described spacer element 10, spacer element 10 can have any structure.
More especially, in illustrated embodiment, can cancel unnecessary cover 13, a plurality of holes are set to replace single opening 19 in outer film 6.
The actual detection of carrying out shows, in the top of sack (gas that is produced by the product that is contained in the sack is tending towards being collected in the place, top of described sack), be arranged in single spacer element on each face 2 of sack 1 and---describe and graphic spacer element such as institute---and be enough to discharge the carbon dioxide by yeast release.
Yet should be understood that, if necessary, can some spacer elements 10 be set at two relative faces of sack 1.
Although outer film 6 is arranged to the continuous hole that namely do not have according to the present invention, should be understood that described outer film 6 also can bore a hole as those outer films of prior art.
In this case, some spacer elements 10 and described spacer element 10 can be set does not bore a hole and is distributed on the surface of face of sack and is adapted to keep between the film 5,6 certain distance and allows to discharge gas by the hole that is arranged in the outer film 6.
From disclosed content, utilization of the present invention is simple and have the device of cost advantage and the advantage that allows to discharge fully and fast the carbon dioxide that is produced by the liquid that is contained in the sack 1 becomes clear.
Naturally, the present invention is not limited to previous description and graphic specific embodiment in the accompanying drawings, alternatively can change a plurality of details of the present invention in the scope of technical personnel capabilities in the art on the contrary, and not deviate from thus the present invention such as restricted portion in the claim of enclosing simultaneously.

Claims (10)

1. the sack of a double-walled type, described sack are used for holding the liquid product that produces gas, especially yeast, and described sack comprises: two relative faces (2), and described relative face mutually combines together along peripheral heated sealant line (3); Be arranged in described two relative faces (2) in a face on ozzle (7), described ozzle is used for filling or pouring out described liquid product, the double-walled of described sack comprises the interior film (5) of highly-breathable and strengthens with outer film (6), it is characterized in that, at least in the top of each face in described two relative faces (2) of described sack (1), between described interior film (5) and described outer film (6), be provided with at least one spacer element (10), described spacer element at least one opening (19) in being formed at described outer film locates to be attached to described outer film (6), and described spacer element is provided with the hole (17) of passing the gas of described interior film (5) for release.
2. sack according to claim 1, it is characterized in that, described spacer element (10) comprises the base portion body (11) that is provided with described hole (17), described base portion body has peripheral edge portion (14), described peripheral edge portion is sealed on the described outer film (6), in order to surround described at least one opening (19) in the described outer film (6).
3. sack according to claim 2 is characterized in that, all is formed with described hole (17) in the base portion (15) of base portion body (11) and sidewall.
4. according to claim 2 or 3 described sacks, it is characterized in that described sack also comprises cover (13), described cover arranges porose (18,28) and is contained in the seat section (12) of described base portion body (11).
5. according to the described sack of any one in the aforementioned claim, it is characterized in that described interior film (5) is based on poly film, and described outer film (6) comprises at least one deck biaxial tension nylon film (nylon).
6. sack according to claim 5 is characterized in that, described outer film (6) is laminate, and described laminate comprises that at least one is clipped in the interlayer that is made of the biaxial tension nylon film between the polyvinyl skin.
7. sack according to claim 6, it is characterized in that the described laminate of described outer film (6) comprising: the second layer of the ground floor of co-extrusion linear low density polyethylene-vinyl acetate co-polymer, biaxial tension nylon film and co-extrusion linear low density polyethylene-vinyl acetate co-polymer the 3rd layer.
8. sack according to claim 7, wherein, each layer of the described laminate of described outer film has following thickness and weight:
The thickness of co-extrusion linear low density polyethylene-vinyl acetate co-polymer layer is that 38 μ m and weight are 35g/m 2;
The thickness of biaxial tension nylon film (nylon) is that 15 μ m and weight are 17g/m 2;
The thickness of co-extrusion linear low density polyethylene-vinyl acetate co-polymer layer is that 38 μ m and weight are 35g/m 2
9. sack according to claim 5 is characterized in that, described interior film (5) is that thickness is that 30 μ m and weight are 28g/m 2The co-extrusion linear low density polyethylene.
10. according to the described sack of any one in the aforementioned claim, it is characterized in that described outer film (6) is bored a hole.
CN201310134813.5A 2012-04-18 2013-04-18 Bag for the containing of gas-producing liquid products, in particular yeast Pending CN103373520A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000648A ITMI20120648A1 (en) 2012-04-18 2012-04-18 BAG FOR THE CONTAINMENT OF DEGASANT LIQUID PRODUCTS, IN PARTICULAR YEAST
ITMI2012A000648 2012-04-18

Publications (1)

Publication Number Publication Date
CN103373520A true CN103373520A (en) 2013-10-30

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ID=46582882

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310134813.5A Pending CN103373520A (en) 2012-04-18 2013-04-18 Bag for the containing of gas-producing liquid products, in particular yeast

Country Status (10)

Country Link
US (1) US20130279829A1 (en)
EP (1) EP2653406B1 (en)
JP (1) JP2013220857A (en)
CN (1) CN103373520A (en)
AR (1) AR090742A1 (en)
BR (1) BR102013009354A2 (en)
CA (1) CA2812463A1 (en)
CL (1) CL2013001012A1 (en)
IT (1) ITMI20120648A1 (en)
MX (1) MX2013004219A (en)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN111788071A (en) * 2017-11-28 2020-10-16 安姆科软包装丹麦公司 Flexible laminate with improved integrated pressure relief valve

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Publication number Priority date Publication date Assignee Title
US9340766B2 (en) * 2010-02-08 2016-05-17 Basf Corporation Method and devices for improved oxygen permeability in microorganism storage containers

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US6604634B2 (en) * 2001-07-18 2003-08-12 Fu-Long Su Receiving bag with enhanced airtight effect
WO2006061905A1 (en) * 2004-12-09 2006-06-15 Ishizaki Shizai Co., Ltd. Check valve device and plastic bag
US20070025648A1 (en) * 2005-07-27 2007-02-01 Kenneth Micnerski Collapsible bag for dispensing liquids and method
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US9340766B2 (en) * 2010-02-08 2016-05-17 Basf Corporation Method and devices for improved oxygen permeability in microorganism storage containers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111788071A (en) * 2017-11-28 2020-10-16 安姆科软包装丹麦公司 Flexible laminate with improved integrated pressure relief valve
CN111788071B (en) * 2017-11-28 2022-12-13 安姆科软包装丹麦公司 Flexible laminate with improved integrated pressure relief valve

Also Published As

Publication number Publication date
ITMI20120648A1 (en) 2013-10-19
BR102013009354A2 (en) 2015-10-13
EP2653406B1 (en) 2014-11-12
AR090742A1 (en) 2014-12-03
MX2013004219A (en) 2013-10-17
JP2013220857A (en) 2013-10-28
EP2653406A1 (en) 2013-10-23
CL2013001012A1 (en) 2014-07-25
CA2812463A1 (en) 2013-10-18
US20130279829A1 (en) 2013-10-24

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Application publication date: 20131030