• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A postal shipping bag (10) constructed as a sterile plastic bag having four or more flat seams (18, 20, 22a, 22b, 22c, 22d, 24), the flat seams being sealed over a width of at least 8 mm. An acute oval insert (12) with a closable opening is received in a sealed flat seam (24). A sealed flat seam (20) is stamped and formed as a carrying handle (26) and is adjacent to the flat seam (24) with the insert (12) and the opening. The bag (10) withstands without leakage also a local pressure load of 75 kg and more. The bag (10) is dimensioned so that it is less than 50 mm high in the filled state, so that it can be sent as a letter. All plastic parts coming into contact with the water sample are approved for food and water analysis, in compliance with the relevant standards DIN EN ISO 19458 (water quality - sampling for microbiological tests ISO 19458: 2006) and DIN EN ISO 5667-1 (water quality - Sampling techniques ISO 5667-1: 2006) or comparable international, US and possibly further national regulations.
    公开号:CH709879A2
    申请号:CH00929/15
    申请日:2015-06-26
    公开日:2016-01-15
    发明作者:Wolfgang Weber
    申请人:Ifp Privates Inst Für Produktqualität Gmbh；
    IPC主号:
    专利说明:

    FIELD OF THE INVENTION
    The invention relates to a bag for shipping by mail.
    STATE OF THE ART
    Clean water is important, but not everywhere, so that many people want to know the nature of their water examined, especially after illnesses. The investigation of pathogens and foreign substances such as heavy metals and organic pollutants should be carried out regularly in order to minimize the health risks for humans and animals. Even the aspiration of water droplets can cause life-threatening illnesses, a danger as it originates from legionella in air conditioning and hot water systems. Here are the managers of the real estate in the duty and liability.
    The requirements for water quality are not easy to meet, because it often lacks the equipment; on the other hand, because microbiological and other contaminations are often difficult to detect and detect. There is therefore a desire among consumers and businesses for an analysis by a certified and accredited water laboratory. Before that, however, there is the logistical problem of having to take a sample of the water and transport it to the laboratory. As a rule, a certified or trained person must take the sample and bring it to the laboratory. This is associated with high expenditure of time and costs. The prior art therefore presents a problem.
    BRIEF DESCRIPTION OF THE INVENTION
    The problem is solved by a bag for the mailing of water samples and a parts set according to claims 1 and 8. Preferred embodiments are set out in the dependent claims.
    The bag for the postal delivery of water samples as a letter or packet is designed as a sterile plastic bag with four or more sealed flat seams a width of at least 8 mm. In a sealed flat seam, a pointed oval insert with a sleeve for filling and pouring is welded, hereinafter referred to as Spout. A sealed flat seam of the bag is stamped and formed as a carrying handle. The formed as a carrying handle flat seam is adjacent to the flat seam with the insert or Spout. The insert with the pouring opening lies within a letter-sized rectangle, which is described by substantially parallel sealed flat seams. The bag can withstand usual pressure load of 75 kilograms and more by allowing the water sample in the bag to partially dodge to the side, the prescribed filling of at most 5/6 of the bag volume is maintained. The wall thicknesses and seams on the bag are further dimensioned so that when properly filled the bag is not thicker than 50 mm, so can be sent worldwide as a letter or as a package. The spout is designed as a screw cap, which cooperates with a screw cap or screw cap. The screw cap has formed on the underside of the lid an annular sealing groove with lateral sealing lips, which cooperates with the distal edge of the spout so that in a simple screwing the lid on the spout already a fully sealing closure is guaranteed. All plastic parts coming into contact with the water sample are approved for food and water analysis, in compliance with the relevant standards DIN EN ISO 19458 (Water quality - Sampling for microbiological tests ISO 19458: 2006) and DIN EN ISO 5667-1 (Water quality - Sampling techniques ISO 5667-1: 2006) or comparable international, US and national regulations.
    Such a bag for liquids is unknown. Conventional sterile bags, for example for plasma and blood samples, can only be shipped and transported in stable cartons. They are unsuitable for the mailing of water samples, since they can not be reliably closed by hand so tightly sealed after filling that you can send them as a letter or parcel. The walls of the bag are still made for the high demands of sorting machines from a thick weldable multilayer film. The multilayer film for this purpose comprises: an outer layer of polyethylene terephthalate having a thickness of 5 to 50 μm, preferably at least 10 to 25 μm; a middle layer of oriented polyamide of a thickness of 5 to 30 microns, preferably 10 to 20 microns, so that there is relative tightness to oxygen and other gases; and an inner layer of a thermoplastic polyethylene of a thickness of 120 to 180 .mu.m, preferably 140 to 160 .mu.m, so that by heat sealing stable dense flat seams can be produced, which withstand the highest loads. The layers mentioned can furthermore be welded together by means of thin intermediate layers of thermoplastic polyethylene having a thickness of 10 to 30 μm.
    In a preferred embodiment, the spout has one or more further sealing rings and lips, which cooperate with the screw cap.
    The Bautel can be about 250 mm long and about 180 mm wide. The opening in the pointed oval insert (Spout) can have a diameter of 15 to 40 mm, preferably 20 to 35 mm, so that the maximum thickness of the bag with attached closure or screw cap is less than 50 mm, preferably 35 mm, the usual opening width a mailbox. Particularly preferred is a bag for shipping a water sample with the maximum masses below a so-called Maxibriefes - a letter with a length of up to 353 mm, a width of up to 250 mm and a height of up to 50 mm, preferably 35 mm.
    Furthermore, the flat seams are sealed on both sides of the pointed oval insert smooth, so that can not pass through liquid within the flat seams. The spout insert is inserted at an angle a in the bag, wherein the angle a is 30 to 60 degrees with respect to the substantially parallel sealed flat seams, preferably 40 to 50 degrees.
    In a preferred embodiment, the multilayer film is transparent, so that you can see the degree of filling. As mentioned, it can have further adhesive layers between the individual layers. The adhesive layers may be 10 to 30 microns and be made of polyethylene, for example, low density polyethylene (LDDP) or linear low density polyethylene (LLDPE).
    In one embodiment, the flat seams are welded so that within the flat seams, there is a grating pattern which seals in two directions. The pointed oval Spout is preferably made of polypropylene or another plastic weldable with the multilayer film. The pointed oval Spouteinsatz is provided for welding with the flexible bag wall at the edge with grooves and grooves, so that multiple sealing areas after welding with the multilayer film make the connection leak-proof.
    In one embodiment, the bag has a marking which indicates a maximum filling level, corresponding to at most 5/6 of the possible bag volume.
    Further, the disclosure relates to a kit of parts, comprising a sterile bag for postal dispatch as a packet, an addressed return folding carton, the highest 50 mm high, preferably 35 mm. The bag may also have identifiers such as a quick-response code (QR code) or a bar code for subsequent assignment of the analysis result. The parts set can have an instruction manual, outer packaging, analysis sheet or an expression with the same QR code or bar code or the like identifier, so that the sender can use the code to directly learn the analysis result on the Internet. Corresponding programs («Apps») are commercially available. A label of the label with relevant information for the analysis can also serve the identifier. Likewise, the results of the analysis can be sent by e-mail or by post.
    Another aspect relates to a method for producing a bag for postal shipping, comprising the steps of: extruding a laminated multilayer film comprising an outer layer of polyethylene terephthalate having a thickness of 5 to 50 microns, preferably at least 10 to 25 microns; a middle layer of oriented polyamide having a thickness of 5 to 30 μm, preferably 10 to 20 μm; and an inner layer of polyethylene having a thickness of 120 to 180 μm, preferably 140 to 160 μm; Forming a bag by folding the multilayer film so that two films are superimposed and the layers of polyethylene are arranged to each other, and flat-seam sealing of the edges over a width of at least 8 mm in such a way that the inner volume of the bag in the water-filled state only until to 50 mm, preferably up to 35 mm; Attaching a pointed oval insert (Spout) with closable opening, for example a screw opening, within a letter-sized rectangle, which is described by substantially parallel, sealed flat seams; Receiving the insert with an opening in a sealed flat seam, so that a liquid-tight bag is formed; Punching a hole in a sealed flat seam so that the flat seam with the hole punching forms a carrying handle and is adjacent to the sealed flat seam with the insert and the screw opening; optionally marking the bag below the insert, the marker indicating the maximum fill level of no more than 5/6 of the total bag volume available, and sterilizing the bag.
    Furthermore, the disclosure relates to the use of the bag for the mailing of an analytical sample as a letter or packet, for example in a padded envelope or flat folding carton with letter masses.
    There are now further advantages, objects and embodiments of the invention with reference to figures and examples described in detail.
    BRIEF DESCRIPTION OF THE FIGURES
    It shows:<Tb> FIG. 1 <SEP> a graphic representation of the bag with attached screw cap;<Tb> FIG. 2 <SEP> a detail of Figure 1 with a graphic representation of the pointed oval insert and the screw hole.<Tb> FIG. 3 <SEP> a diagrammatic representation of a sterile packed screw cap;<Tb> FIG. FIG. 4 shows a section of FIG. 1 with a diagrammatic representation of the cross-sealed flat seams on the pointed-oval insert; FIG.<Tb> FIG. 5 <SEP> a graphic representation of the lid with annular sealing beads on the underside of the screw cap, alone and in cooperation with the pouring opening.
    DETAILED DESCRIPTION
    The determination of foreign substances and microorganisms in water requires a controlled preanalytics. It is important that the water sample can be taken without contact; Also, after sampling no contamination may falsify the result. Finally, the bag must be leak-proof and sortable by the logistics companies as letter or parcel. The bag must therefore be such that a water sample can be taken pre-analytically fair and sent by mail as a letter or parcel. The submitted water sample is then examined in the laboratory and then the result is transmitted to the sender, for example by e-mail or Internet. The bag preferably carries an identification, preferably a so-called quick response code (QR code) or a simple bar code. There are different bags and identifiers may be provided, depending on the extent of the desired water examinations. For the examination of a water sample, therefore, only one sample bag plus the addressed insert folding box (not shown) must be purchased and then the desired examination is obtained. The purchase price of the bag thus usually includes the analysis service.
    See Fig. 1. The leak-proof multi-layer bag 10 has an insert 12 with an opening 12a (Spout), closable by a screw cap 14. The opening can be closed by a sterile seal 16 before use. The seal may be an adhesive seal 16; see Fig. 2. Preferably, an outside attached to the screw cap seal. Otherwise, adhesive residues on the opening may possibly impair the paint safety of the screw cap. All parts in contact with the water sample - inner wall of multi-layer film, cap 14, seal 18 and insert 12 - are approved for water analysis. Dar letter 10 is made of a weldable food safe multi-layer film. The multilayer film 32 is preferably three days and transparent, so that one can see the filling state. The outer layer is in the concrete version 12 microns thick and made of a polyethylene terephthalate (PET). The middle layer consists of oriented polyamide (OPA); it has a thickness of 15 microns. OPA is oxygen-impermeable and shields the sample from the atmosphere. The inner layer is made of polyethylene (PE) and it has a thickness of 140 to 160 microns, so that the multilayer film is extremely tear and shock resistant. Between the PET, OPA and PE are each 20 micron thick PE layers of a low-melting thermoplastic PE for thermal sealing of the flat edges 13, 20, 22a, 22b, 22c, 22d, 24. The additional intermediate layers also serve the better connection of the layers , Thus, the letter bag can withstand a pressure load of 75 kg and more. The maximum filling height of the sample bag contributes to this. The bag is formed with four or more sealed flat seams 18, 20, 22a, 22b, 22c, 22d, 24. The flat seams are tightly sealed over a width of at least 8 mm, so that a lacquer is avoided even at high mechanical loads as they occur in particular in the sorting machines of logistics. The flat seams are additionally firmly connected by hot pressing. By thermal sealing, the marginal edges 22a, 22b, 22c, 22d, 24 and the edges are welded around the carrying handle.
    Fig. 2 shows the pointed oval Spouteinsatz 12 with the pouring opening 12a. The subsequent use of 12 flat seam 18 is sealed because of the special loads occurring there smoothly so that no leakage occurs transversely and longitudinally in the extension of the insert 12. The opening 12a on the insert is designed as a screw closure 12a, 14. The insert 12 is made of polypropylene, so a food grade plastic. The opening 12a may be protected by a sterile seal 16, for example by a refractive seal. The screw cap 12a, 14 may have a tamper-evident closure (not shown). The opening 12 has a diameter of 30 mm for easy filling. The insert 12 lies within a letter-size rectangle which describes the substantially parallel flat seams 22a-d. The insert 12 is to be formed at an angle of 45 degrees to the parallel edge seams.
    The letter bag is sterile as described and free of foreign substances. Sterilization of pouch 10 and screw cap 14 was accomplished, for example, by treatment with ionizing radiation or, alternatively, by treatment with ethylene oxide, nitrogen dioxide or ozone. The screw cap 14 may be protected by an outer packaging 14b, which consists of a conventional plastic film, see Fig. 3rd In another embodiment, the bag 10 may include a crushing or peeling seal (not shown).
    Fig. 4 shows in detail the sealing of the flat seams 18 on both sides of the pointed oval insert 12. The area between insert 12 and flat seam 18 can be additionally sealed by means of adhesive (hotmelt adhesive). The adhesive serves to better bond between insert 12 and multilayer film.
    Fig. 5 shows in detail the underside of the screw cap 14 with the annular sealing beads 36. The sealing beads 36 are slightly cone-shaped, wherein the outer periphery with the inner wall 38 of the opening 12a cooperates so that no liquid can escape in the filled state. The opening 12a is substantially flat on the rim 40, so that a sealing contact between the opening 12a and screw cap 14 is formed. Optionally, the assembly of screw cap 14 and screw opening 12a may still have a bayonet catch (not shown) which by audible and tactile snapping indicates the tight connection of the cap and spout.
    See again Fig. 1. Furthermore, a wide flat seam 20 is punched and formed as a carrying handle 26. The carrying handle 26 is arranged so that the bag 10 can be held like a jug for sampling. This facilitates the one-handed handling of the bag 10 during sampling and the second hand remains free for controlling interventions. Trained as a carrying handle 26 wide flat seam 20, 22 d is adjacent to the flat seam with the insert 12. The advantage of this arrangement of carrying handle 26 and insert 12 with opening 12a is that the carrying handle 26 - held vertically or horizontally - always results in a controllable filling position. This design promotes ideal weight distribution during filling and reloading and easy sampling.
    The bag 10 is transparent and may have a bar mark 28 for the maximum fill level. The maximum filling level corresponds to a maximum of 5/6 of the bag volume (about 400 ml). As the bag 10 is filled, it can withstand 75kg of local pressure and more. The length and width of the bag are sized to fit into a flat carton or envelope for shipping by mail. It preferably has a length of up to 250 mm and a width of up to 180 mm. The bag 10 then fits into a sleeve or outer carton with a maximum length of up to 260 mm, a width of up to 190 mm and a height of up to 50 mm. Due to the flat shape of the envelope or the outer carton fits into the opening of a standard mailbox. The bag 10 is designed to be less than 50 mm high and the water sample weighs significantly less than 500 grams. Further disclosed is a parts set for a postal shipment as a letter.
    The method for producing the bag 10 comprises the following steps: it is a multilayer film of PET, OPA and PE layers of said thicknesses produced by extrusion lamination of plastic granules: outside a layer of polyethylene terephthalate with 10 to 25 microns; in the middle a layer of oriented polyamide of 15 microns and inside a layer of polyethylene with about 150 microns. Between each still 20 micron thick adhesive layers of thermoplastic polyethylene. Such a multilayer film is flexible and shock and tear resistant. The multilayer film is at the same time so rigid that the water bag is kept in shape, not thicker than 50 mm. The shape is also determined by the width of the flat seam with the support hole. Although the person skilled in the art knows many ways of forming a foil pouch, he will usually first join the insert to the multilayer foil and then weld the marginal edges over a width of at least 8 mm or more. According to the invention, the flat seams are made leak-tight by hot pressing, ie mechanically by a fine crossover or lattice pattern. This increases the leak safety. On the insert sealing grooves 24 are provided for better connection with the multilayer film.
    On both sides of the pointed oval insert 12, the flat seams 18 are sealed and sealed by adhesive. Finally, a carrying handle 26 is punched in the wide flat seam and so that at least 8 mm wide flat seams 20 microns remain the support hole.
    The bag 10 is used as follows: i) unscrewing the cap 14; ii) water sample, e.g. from a faucet in the soft jet into the bag 10, fill up to 5/6 of the total volume; iii) closing the water bag 10 with the screw cap 14; iv) labeling the label 30a: 30b and notation of the identifier for the later assignment of the analysis; v) (optional) insert the bag 10 with the water sample into a plastic zipper bag; vi) inserting the bag 10 into a return envelope or outer carton; and vii) sending the sample to the water laboratory. The result of the examination is then communicated, for example by email or setting the result using the QR code set on the Internet. The result can also be communicated in any other form.
    The bag is particularly compatible for the detection of Legionella, fecal or intestinal germs, coliforms, enterococci, heavy metals such as lead, cadmium, copper, nickel and zinc, as well as other substances such as ammonium, calcium, chloride, copper, molybdenum, Phosphate, sulfate, iron, manganese, nitrate and nitrite. The samples can therefore be taken from hot water systems, water pipes, pipelines, wells, recooling, air scrubbers, heating water, air conditioners, whirlpools, showers, etc. Also coffee and espresso machines, especially after descaling, high levels of lead (Federal Institute for Risk Assessment ( BfR)). So everyone can check for themselves whether his coffee machine is affected. The result is reported by the water laboratory after a few days (usually 3-5).
    LIST OF REFERENCE NUMBERS
    [0030]<Tb> 10 <September> Letter bag<Tb> 12 <September> Application<tb> 12a <SEP> Lockable opening<Tb> 14 <September> screw cap<Tb> 14 <September> screw cap; sterile-packed<Tb> 14b <September> Packaging<Tb> 16 <September> sterile seal<Tb> 18 <September> flat seam; smooth-sealed<tb> 20 <SEP> Flat seam; designed as a carrying handle<tb> 22 a to d <SEP> flat seams; finely cross-sealed<tb> 24 <SEP> flat seams on insert; compressed<Tb> 26 <September> carrying handle<Tb> 28 <September> line marking<tb> 30a, 30b <SEP> label<Tb> 32 <September> Walls<Tb> 34 <September> sealing ring<Tb> 36 <September> sealing closure<tb> 38 <SEP> Lockable opening; inner wall<tb> 40 <SEP> Lockable opening; edge
    权利要求:
    Claims (10)
    [1]
    A bag (10) for shipping formed as a sterile plastic bag having four or more flat seams (18, 20, 22a, 22b, 22c, 22d, 24), wherein- The flat seams (18, 20, 22a, 22b, 22c, 22d, 24) are sealed over a width of at least 8 mm;- in a sealed flat seam (24) an acute oval insert (12) with closable opening (12 a) is received;- a sealed flat seam (20) punched and formed as a carrying handle (26);- The formed as a carrying handle (26) sealed flat seam (20) is adjacent to the flat seam with the insert (12) and the opening (12 a);The insert (12) with the closable opening (12a) lies within a letter-sized rectangle described by substantially parallel sealed flat seams (22a, 22b, 22a-22d);- The bag (10) withstands without a local pressure load of 75 kg and more;- The bag (10) is dimensioned so that it is less than 50 mm high in the filled state, so that it can be sent as a postal letter;- The closable opening (12a) is designed as a screw cap, and a screw cap (14) has an annular sealing closure (36) which cooperates with the inner wall (38) of the closable opening (12a) for sealing closure of the bag (10); and- All plastic parts in contact with the liquid are approved for food.
    [2]
    The bag of claim 1, wherein the multi-layer film comprises- An outer layer of polyethylene terephthalate having a thickness of 5 to 50 microns, preferably at least 10 to 25 microns;A middle layer of oriented polyamide having a thickness of 5 to 30 μm, preferably 10 to 20 μm; and- An inner layer of polyethylene having a thickness of 120 to 180 microns, preferably 140 to 160 microns.
    [3]
    3. Bag according to one of claims 1 to 2, wherein the closable opening (12a) has a diameter of 15 to 40 mm: preferably 20 to 36 mm, and by a sealing ring (34) is sealed against leakage.
    [4]
    4. Bag according to one of claims 1 to 3, wherein the bag (10) Each has at most a length of 250 mm and a width of 180 mm.
    [5]
    5. A bag according to any one of claims 1 to 4, wherein the sealed flat seams (20, 22a, 22b, 22c, 22d) are finely patterned so sealed that within the flat seams (20, 22a, 22b, 22c, 22d) a sealing grid Pattern emerges.
    [6]
    A bag according to any one of claims 1 to 5, wherein the insertable closure (12) has an angle to the substantially parallel sealed flat seams (22a, 22b, 22c, 22d) of 30 to 60 degrees, preferably 40 forms up to 50 degrees.
    [7]
    7. Bag according to one of claims 1 to 6, wherein the bag (10) has a mark (28) which indicates a maximum filling level when filled with liquid, corresponding to at most 5/6 of the largest possible bag volume.
    [8]
    8. Part set for a shipment as a letter, comprising- A sterile letter bag (10) for the postal delivery as a letter according to one of claims 1 to 7; and- A return-folding carton, in which the letter bag (10) is added.
    [9]
    A method of making a bag (10) for mailing as a letter, comprising the steps- Extruding a laminated multilayer film comprising- An outer layer of polyethylene terephthalate having a thickness of 5 to 50 microns, preferably at least 10 to 25 microns;A middle layer of oriented polyamide having a thickness of 5 to 30 μm, preferably 10 to 20 μm; and- An inner layer of polyethylene having a thickness of 120 to 180 microns, preferably 140 to 160 microns.Forming a bag throughFolding the multilayer film such that two foils connected on one edge lie one above the other and the layers of polyethylene are arranged relative to one another, and- flat-seam sealing of all peripheral edges over a width of at least 8 mm,so that the inner volume of the bag in the filled state at dispatch is at most up to 50 mm high;- Attaching an acute oval insert with closable screw hole within a letter-sized rectangle, which is described by substantially parallel sealed flat seams;- Receiving the insert with closable opening in a sealed flat seam, so that a liquid-tight bag is formed;- Punching a hole in a sealed flat seam, so that the flat seam with the punching forms a carrying handle and is adjacent to the sealed flat seam with the insert and the screw hole; and- Sterilize the bag.
    [10]
    10. Use of the bag according to one of the preceding claims for the shipment of an analytical liquid sample.
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    同族专利:
    公开号 | 公开日
    DE102014109633A1|2016-01-14|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US5971613A|1997-04-11|1999-10-26|Kapak Corp.|Bag constructions having inwardly directed side seal portions|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE102014109633.9A|DE102014109633A1|2014-07-09|2014-07-09|dispatch bag|
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