• 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:
    6800117 ABSTRACT Device (1) for surface sampling, comprising: a flat material layer (2) comprising asurface portion (2c) and a circumferential edge portion (2d) defining the boundaryof the surface portion (2c), further comprising a sampling volume (2a), wherein thesampling volume (2a) is adapted to comprise a filler device (2b) for filling out thesampling volume (2a), a protective layer (3) arranged on the surface portion (2c) ofthe material layer (2) by an adhesive (4) arranged on the material layer (2),wherein a portion (3a) of the protective layer (3) extends beyond the boundary ofthe surface portion (2c) for facilitating a removal of the protective layer (3) from thematerial layer (2). (Fig. 1)
    公开号:SE1450338A1
    申请号:SE1450338
    申请日:2014-03-24
    公开日:2015-09-25
    发明作者:Lennart Sjölén
    申请人:Expertus Kemiteknik Ab；
    IPC主号:
    专利说明:

    [1] The present invention relates generally to surface sampling devices.
    [2] It is possible to use adhesive plastics for surface sampling comprising a protective sheet to be deposited before the plaster is fixed to a surface.
    [3] A disadvantage of the prior art is that difficulties arise when attempting to remove the protective sheet having the adhesive patch to expose the adhesive surface of the adhesive patch prior to use. It is often a time-consuming and cumbersome procedure that Ors annu responds to the person carrying out the task wearing protective gloves, as is often the case. Furthermore, this procedure increases the risk of undesired contact with the adhesive surface having the adhesive patch, leaving dirt on the adhesive surface as well as undesired deposition of adhesive, thereby reducing the adhesive shape of the device. Certain requirements are next met according to a test described in the relevant ISO standard in this technical field with respect to withstand the increased pressure resulting in filling the sampling space without leakage. As a result, the adhesive patch may be black to use under certain conditions or on certain surfaces and shapes of surfaces, as the adhesive patch may fall off or allow air or dirt to enter the outside, causing contamination of the sampling space.
    [4] Many tests or tests are performed in industrial environments such as in the shipbuilding industry, whereby the surfaces to be analyzed are black and dangerous to reach, for example vertical ship sides or cradles or roofs in ballast tanks or standing on unsafe scaffolding or ladders where there is a risk of falling . In order to reduce the risk, an operator needs to focus on securing the working position in a way that prevents a fall, for example by holding on to suitable lamps. Furthermore, the work related to surface sampling can be done in areas with very 68001 2 limited lighting conditions. All the additional unwanted time and extra focus required to prepare the adhesive patch generated by depositing the protective sheet increases the exposure to this risk.
    [5] Another disadvantage of using adhesive plastics according to the prior art is the risk of contaminating the sampling dilution or voile with unwanted / foreign contaminants unrelated to the surface to be sampled, as a result of existing methods of manually removing the filling device Than sampling volume. This risk is particularly high in environments where these adhesive plastics are commonly used for sampling, i.e. in industrial environments that may be dusty or filled with residues Than blasting sand previously used on a surface to be painted whose cleanliness is tested using the pre-grinding sample. This can result in incorrect sampling.
    [6] An object of the present invention is to create a device for surface sampling which is simpler, less time consuming and therefore both more economical and safer to use.
    [7] Another object of the present invention is to create a surface sampling device in which the device more reliably adheres to a given surface.
    [8] Another object is to create a surface sampling device that reduces the risk of contamination in the sampling volume.
    [9] According to one embodiment, there is provided a surface sampling device, comprising: a flat material layer comprising a surface portion and a peripheral edge portion defining the boundaries of the surface portion, further comprising a sampling volume, the sampling volume being adapted to include a filling filling device, a protective layer disposed on the surface portion of the material by an adhesive disposed on the material layer, a portion of the protective layer extending beyond the boundary of the surface portion to facilitate a deposition of the protective layer than the material layer.
    [10] According to another embodiment, a surface sampling device is provided, comprising: a flat material layer comprising a surface portion and a peripheral edge portion defining the boundaries of the surface portion, further comprising a sampling volume, the sampling volume being adapted to include a filling device for filling the volume of sampling, a protective layer disposed on the surface portion of the material by means of an adhesive disposed on the material layer, a gripping device being disposed between the protective layer and the material layer comprising a portion extending beyond the boundary of the surface portion to facilitate deposition of the protective layer over the flat material layer.
    [11] According to another embodiment, the gripping device is fixed to the underside of the protective layer using an adhesive.
    [12] According to another embodiment, the gripping device is further fixed to the upper side of the protective layer using an adhesive.
    [13] According to another embodiment, the gripping device is a thin thread.
    [14] According to another embodiment, the gripping device is a flat elongate sheet device. 68001 4
    [15] According to another embodiment, the gripping device comprises a silicone-treated portion.
    [16] According to another form of release, the entire gripping device is silicone-treated.
    [17] According to another embodiment, the gripping device comprises a portion which has not been treated with silicone.
    [18] According to another embodiment, at least one portion of the silicone-treated portion extends beyond the boundary of the material.
    [19] According to another embodiment, the gripping device extends beyond the boundary of the material kit on two sides.
    [20] According to another embodiment, a filling device is arranged in the sampling volume.
    [21] According to another embodiment, the portion of the gripping device which has not been treated with silicone is fixed to the filling device by means of the adhesive.
    [22] According to another embodiment, there is provided a surface sampling device, comprising: a flat material layer comprising a surface portion and a circumferential edge portion defining the boundaries of the surface portion, further comprising a sampling volume, the sampling volume being adapted to include a filling filling device for sampling. protective layer disposed on the surface portion of the material material comprising an adhesive disposed on the material layer, a gripping device being attached to an upper side of the protective layer comprising a portion extending beyond the boundary of the surface portion to facilitate deposition of the protective layer from the flat material layer. 68001
    [23] According to another embodiment, a surface sampling device is provided, comprising: a flat material layer comprising a surface portion and a peripheral edge portion defining the boundaries of the surface portion, further comprising a sampling volume, the sampling volume being adapted to include a filling device for filling a sampling volume. protective layer arranged on the surface portion of the material by means of an adhesive arranged on the material layer, a gripping device comprising a portion fixed to an upper side of the protective layer comprising a further portion extending completely within the boundary of the surface portion to facilitate a deposition of the protective layer Than the flat material layer.
    [24] The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
    [25] Figures 1-1 'show a perspective view of a surface sampling device according to an embodiment of the invention.
    [26] Figures 2-2 'show a perspective view of a surface sampling device according to an embodiment of the invention.
    [27] Figure 2a "shows a side view of a gripping device.
    [28] Figures 2a'-2d 'show perspective views of a surface sampling device according to Figures 2a-2d, the inner feed of the surface sampling device being described.
    [29] Figures 3-3 'show perspective views of a surface sampling device. 68001 6
    [30] Figures 4-4 'show perspective views of a surface sampling device. Figures 5-5 'show perspective views of a surface sampling device. Figures 6 show a perspective view of a surface sampling device. Figure 7 shows a perspective view of a surface sampling device. Figures 8a-8b show perspective views of a surface sampling device.
    [35] In the following, a detailed description of the invention is given. In the figures, the same reference numerals denote identical or corresponding elements in the various figures. It will be appreciated that these figures are for illustration only and do not in any way limit the scope of the invention. According to one embodiment, flat or flat should be interpreted as something that essentially extends into two dimensions. This should not be interpreted as meaning that it has no extent in the third dimension. According to one embodiment, flat or flat is defined as where a thickness or a height dimension of the device 1 is less than the extent of the extensions of the device 1, perpendicular to the thickness or height direction, and defines the surface tonnage of the device 1. According to one embodiment, the top and bottom are used throughout the text. for explanatory purposes only. The use of the device 1 enables it to be attached to surfaces which have arbitrary normal directions in three-dimensional space, whereby these surfaces or normal directions of these surfaces can essentially have any direction heist.
    [36] Figures 1-1 'show a perspective view of a surface sampling device 1, i.e. whereby a surface can be tested by means of nuclear analysis, for example by checking for existing contaminants, substances or particles in the test surface area. Fig. 1 shows the device 1 in a closed condition before use and Fig. 1 'shows the inner feed of the device 1. 68001 7
    [37] The surface sampling device 1 comprises a flat or flat material layer 2 comprising a surface portion 2c and a circumferential edge portion 2d enclosing the surface portion 2c and thereby defining a boundary of the surface portion 2c. according to one embodiment, the material layer 2 comprises a foam material. According to one embodiment, the material layer is made of aging-resistant, flexible material with closed pores, e.g. polyethylene foam. According to one embodiment, the foam material is a double fastening foam material. According to one embodiment, adhesive is arranged on the underside and on the upper side of the material layer 2, a protective sheet being present on the underside and being removed to be replaced by a latex sheet or thin elastomeric film, in a manufacturing step. According to one embodiment, the flat material layer 2 comprises several layers with double fastening foams arranged on top of each other. According to one embodiment, the flat material layer has a depth of between 1-5 mm. According to one embodiment, the device 1 may have a square shape. According to one embodiment, the device may have a rectangular shape. According to another embodiment, the device 1 may have a circular shape. The device 1 can thus have different shapes, appearances and dimensions. According to one embodiment, the dimensions / sizes of the device 1 are a square of 5x5 cm. According to one embodiment, the material layer 2 has a thickness of 1-5 nm.
    [38] The surface sampling device 1 further comprises a sampling volume 2a. According to one embodiment, the sampling volume 2 is adapted to comprise a filling device 2b, which substantially fills the sampling volume 2a before use and forms a reinforcement until the device is used. Before using the device 1, the filling device 2b can be removed from the sampling volume 2a, which creates a recess in the surface portion 2c. According to one embodiment, the filling device 2b is a cut-out of the material 2a. According to one embodiment, the cut-out of the material is created during the manufacture of the device 1 in a punching process step. According to one embodiment, the filling device 2b is another material compared to the material layer 2. According to one embodiment, the filling device has a round or circular shape. According to one embodiment, the corresponding sampling area of the sampling volume 2a is 12.5 cm 2. According to one embodiment, the sampling volume has a depth of 1-2 nm. According to one embodiment, the filling device 2b may have different shapes, appearances and dimensions to suit different needs. The filling device 2b can, for example, be circular, rectangular, elliptical, etc.
    [39] The surface sampling device 1 further comprises a protective layer 3 arranged on the surface portion 2c of the material layer 2 by means of an adhesive 4 arranged on the material layer 2. According to one embodiment, the adhesive 4 is an adhesive layer covering the surface portion 2c. According to one embodiment, the protective layer 3 is a thin sheet of paper. According to one embodiment, the protective layer 3 is treated, at least on one side, preferably the underside 3b, with silicone or other suitable substances or materials to be more easily removable from the adhesive and the material layer 2. According to one embodiment, the protective layer 3 is a silicone-treated sheet of paper .
    [40] According to an embodiment of the surface sampling device 1 shown in Figures 1-1 ', a portion 3a of the protective layer 3 extends beyond the boundary of the surface portion 2c to facilitate a deposition of the protective layer 3. A person who intends to remove the protective layer can more easily grip the portion 3a which extends beyond the surface portion 2a and pull the protective layer 3 from the material layer 2. According to one embodiment, the shape of the portion 3a may be rounded as in Fig. 1 or have other geometric shapes, and extend beyond the boundary of the surface portion 2c to a varying extent. According to one embodiment, the portion 3a extends by 1% -50% of the total length or diameter of the device 1, beyond the boundary of the surface portion 2c, in a same or parallel direction as the extent of the portion 3a. According to one embodiment, the portion 3a extends by 0.5-25 mm beyond the boundary of the surface portion 2c. According to one embodiment, the largest extent of the portion 3a in one direction is opposite the extent beyond the boundary between 10% -100% of the length of the device 1 in a direction parallel to the extent in this direction. According to one embodiment, a particular path of the protective layer 3 directly above the filling device 2b may be untreated with silicone or otherwise treated to be more easily detached from the adhesive. Therefore, when a user pulls the portion 3a, the protective layer 3 will be removed to expose the adhesive 4 before attachment of the sampling device 1, and at the same time remove the filling device 2b Than the sampling volume 2a which will thereby adhere to the protective layer 3. no direct contact Than a person with the filling or sampling volume 2a during deposition of the filling device 2b which reduces the risk of contaminating the sampling volume 2a.
    [41] According to an embodiment seen in Figs. 2a, 2a ', 2b, 2b', the gripping device 5 has a circular shape. According to an embodiment seen in Figs. 2c, 2c ', 2d, 2d', the gripping device 5 has a rounded shape in one spirit, and an angled shape in one spirit, the gripping device being fixed to its rounded portion (s) via adhesive. to the protective layer 3. According to an embodiment seen in Figs. 2e, 2e ', 2f, 2f', the gripping device 5 has a rectangular shape. According to an embodiment seen in Figs. 2g, 2g ', 2h, 2h', the gripping device has a rounded shape in one spirit, and an angled shape in one spirit, the gripping device 5 being fixed to its angled portion (s) via adhesive to the the protective layer 3. The embodiments described in Figures 2a, 2a ', 2g, 2g' may comprise similar material bridges as 5d described in Fig. 2a ", but may consist of two separate gripping devices simply adhered to each other and a corresponding side of the protective layer. layer 3. According to one embodiment, the gripping device 5 is made of a similar or the same material as the protective layer 3.
    [42] Fig. 3 shows a device 1 according to Fig. 1 in addition to the portion 3a. Fig. 3 further shows a device 1 where a gripping device 6 is arranged between the protective layer 3 and the material layer 2 comprising a portion 6a which extends beyond the boundary of the surface portion 2c to facilitate a deposition of the protective layer 3 from the material layer 2. According to the embodiment in Fig. 2 the gripping device 3 is a thin tract. According to one embodiment, the thin line consists of a fishing line. According to one embodiment, the thin thread consists of nylon, polyvinylidene fluoride (PVDF, and called fluorocarbon), polyethylene, Dacron and Dyneema (UHMWPE). The most common type is monofilament yarn, made from a single strand. Fig. 3 'shows the invention according to Fig. 3 where the inner feed of the device 1 and the line 6 are shown.
    [43] Figures 4-4 'show a device 1 for surface sampling according to Fig. 1 in addition to the portion 3a. Fig. 4 further shows a device 1 in which a gripping device 6 is arranged between the protective layer 3 and the material layer 2 comprising a portion 6a which extends beyond the boundary of the surface portion 2c to facilitate a deposition of the protective layer 3 from the material layer 2. According to the embodiment in Fig. 4, the gripping device 6 is a flat elongate sheet device comprising a silicone-treated portion 6a, B. According to one embodiment, the entire gripping device 6 is silicone-treated. Furthermore, the gripping device 6 comprises a pad 6b, A, not treated 68001 under silicone, where at least a portion of the silicone-treated portion 6a extends beyond the boundary of the material 2. The untreated portion of the gripping device 6 is fixed to the filling device 2b of the material by therefore, when a user pulls the portion of the gripping device 6, the protective layer 3 will be removed to expose the adhesive before attaching the device for sampling, and at the same time remove the filling device 2b from the sampling volume 2a. Thereby no direct contact is required Than a human with the filling or sampling volume 2a during deposition of the filling device 2b which reduces the risk of contaminating the sampling volume 2a. Fig. 4 'shows the invention according to Fig. 4 where the inner feed of the device 1 and the gripping device 6 are shown.
    [44] Figs. 5-5 'show a similar device 1 as shown in Figs. 4-4', however, this device 1 comprises an elongate gripping device 6 comprising two pawls 6a which extend beyond the boundary of the surface portion 2c, on a corresponding side of the device 1 / surface portion 2c, i.e. on two sides of the device 1 / surface portion 2c or, in the case of a rounded or circular device 1, at two positions of the device 1 / surface portion 2c. According to Fig. 5 ', the gripping device 6 comprises a central portion 6b fixed to the filling device 2b of the material by means of the adhesive 4. Fig. 5' shows the invention according to Fig. 5 where the inner feed of the device 1 and the gripping device are shown.
    [45] Fig. 6 shows a device 1 similar to that of Fig. 5 where the entire gripping device 6 is silicone treated. The embodiment of Fig. 6 would have a similar appearance to Fig. 5 in a closed condition, i.e. do not show the inside of the device 1.
    [46] According to one embodiment, the gripping device 6 is made of a similar or the same material as the protective layer 3.
    [47] Use of the surface sampling device 1 can be performed according to the following steps. A user is looking for a suitable surface on which the test can be performed. 68001 13 For example, the surface can be horizontal, vertical, inclined or slightly concave. The user removes the protective layer 3 by gripping the portion 3a or the gripping device 5, 6 and pulling off the Than material layer 2. According to one embodiment, the filling device is thereby automatically removed from the sampling volume 2a. In other embodiments, the filling device 2b is removed manually / manually. The device 1 is then pressed with the exposed surface portion 2c having adhesive on a selected test surface. The device 1 is fixed to the surface by pressing firmly with the fingertips on the device 1. A syringe (now shown) is then filled with approximately 1-2 ml of washing / extraction liquid consisting of the final analysis to be performed. The washing / extraction liquid is then injected into the sampling volume 2a by piercing the syringe needle through the body of the device 1 into the sampling volume 2a of the device 1 and injecting the contents of the syringe. If necessary, the squeegee can be bent to obtain a suitable angle. Then a part of the liquid is sucked out of the sampling volume 2a and re-inserted into the sampling volume 2a while the squeegee is inserted. This produces turbulence that improves the dissolution of pollutants, particles and substances. This can be repeated a number of times or alternatively the device can be carefully rubbed especially when the sample is bonded in a thick layer of impurities. Finally, as much as possible of the contents of the sampling volume is sucked out and retrieved and transferred to a cylinder (not shown) for further analysis. For even higher accuracy, the injection and turbulence generating parts can be performed repeatedly.
    [48] A preferred embodiment of a surface sampling device according to the invention has been described. However, one skilled in the art will appreciate that this may be varied within the scope of the appended claims without departing from the spirit of the invention.
    [49] All the alternative embodiments described above or parts of an embodiment can be freely combined without departing from the inventive side as long as the combination is not appreciable.
    权利要求:
    Claims (15)
    [1] 1. Device (1) for surface sampling, comprising: a flat material layer (2) comprising a surface portion (2c) and a circumferentialedge portion (2d) defining the boundary of the surface portion (2c), furthercomprising a sampling volume (2a), wherein the sampling volume (2a) is adaptedto comprise a filler device (2b) for filling out the sampling volume (2a), a protective layer (3) arranged on the surface portion (2c) of the material layer (2) by an adhesive (4) arranged on the material layer (2), characterized in that a portion (3a) of the protective layer (3) extends beyond theboundary of the surface portion (2c) for facilitating a removal of the protective layer(3) from the material layer (2).
    [2] 2. Device (1) for surface sampling, comprising: a flat material layer (2) comprising a surface portion (2c) and a circumferentialedge portion (2d) defining the boundary of the surface portion (2c), furthercomprising a sampling volume (2a), wherein the sampling volume (2a) is adaptedto comprise a filler device (2b) of the material (2) for filling out the sampling volume(2a), a protective layer (3) arranged on the surface portion (2c) of the material layer (2)by an adhesive (4) arranged on the material layer (2), characterized in that a gripping device (5, 6) is arranged between the protectivelayer (3) and the material layer (2) comprising a portion (5a, 6a) extending beyondthe boundary of the surface portion (2c) for facilitating a removal of the protectivelayer (3) from the flat material layer (2).
    [3] 3. The device (1) according to claim 2, wherein the gripping device (5) isattached to the underside (3b) of the protective layer (3) using an adhesive.
    [4] 4. 680014. The device (1) according to claim 3, wherein the gripping device (5) is further attached to the upper side (3c) of the protectivelayer (3) using an adhesive.
    [5] 5. The device (1) according to claim 2, wherein the gripping device (6) is athin thread.
    [6] 6. The device (1) according to claim 2, wherein the gripping device (6) is a flat e|ongated sheet device.
    [7] 7. The device (1) according to claim 6, wherein the gripping device (6)comprises a si|icone treated portion (6a).
    [8] 8. The device (1) according to claim 7 wherein the entire gripping device (6)is si|icone treated.
    [9] 9. The device (1) according to claim 6 or 7 wherein the gripping device (6)comprises a portion (6b) non-treated with silicon.
    [10] 10. The device (1) according to any of claims 6-9, wherein at least a portion of the silicon treated portion (6a) extends beyond the boundary of the material (2).
    [11] 11. The device (1) according to any of the claims 5-10, wherein the grippingdevice (6) extends beyond the boundary of the material layer (2) on two sides.
    [12] 12. The device (1) according to any of the previous claims, wherein a fillerdevice (2b) is arranged in the sampling volume (2a).
    [13] 13. The device (1) according to claims 9 and 12, wherein the portion (6b) ofthe gripping device (6), non-treated with si|icone, is attached to the filler device(2b) by the adhesive (4).
    [14] 14. Device (1) for surface sampling, comprising: a flat material layer (2) comprising a surface portion (2c) and a circumferentialedge portion (2d) defining the boundary of the surface portion (2c), further 6800116 comprising a sampling volume (2a), wherein the sampling volume (2a) is adaptedto comprise a filler device (2b) of the material (2) for filling out the sampling volume(2a), a protective layer (3) arranged on the surface portion (2c) of the material layer (2)by an adhesive (4) arranged on the material layer (2), characterized in that a gripping device (5, 6) is attached to an upper side 3c ofthe protective layer (3) comprising a portion (5a) extending beyond the boundaryof the surface portion (2c) for facilitating a removal of the protective layer (3) fromthe flat material layer (2).
    [15] 15. Device (1) for surface sampling, comprising: a flat material layer (2) comprising a surface portion (2c) and a circumferentialedge portion (2d) defining the boundary of the surface portion (2c), furthercomprising a sampling volume (2a), wherein the sampling volume (2a) is adaptedto comprise a filler device (2b) of the material (2) for filling out the sampling volume(2a), a protective layer (3) arranged on the surface portion (2c) of the material layer (2)by an adhesive (4) arranged on the material layer (2), characterized in that a gripping device (5, 6) comprising one portion (5e)attached to an upper side 3c of the protective layer (3) comprising a further portion(5f) extending entirely within the boundary of the surface portion (2c) forfacilitating a removal of the protective layer (3) from the flat material layer (2).
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    同族专利:
    公开号 | 公开日
    WO2015147729A1|2015-10-01|
    SE538197C2|2016-04-05|
    EP3123141A1|2017-02-01|
    CN107076647A|2017-08-18|
    EP3123141B1|2021-11-24|
    US20210080356A1|2021-03-18|
    EP3123141A4|2018-02-21|
    US20170074754A1|2017-03-16|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE1450338A|SE538197C2|2014-03-24|2014-03-24|Surface sampling device|SE1450338A| SE538197C2|2014-03-24|2014-03-24|Surface sampling device|
    EP15768205.5A| EP3123141B1|2014-03-24|2015-03-20|Device for surface sampling|
    CN201580025947.0A| CN107076647A|2014-03-24|2015-03-20|The device sampled for surface|
    PCT/SE2015/050334| WO2015147729A1|2014-03-24|2015-03-20|Device for surface sampling|
    US15/273,949| US20170074754A1|2014-03-24|2016-09-23|Device for surface sampling|
    US17/086,490| US20210080356A1|2014-03-24|2020-11-02|Device for surface sampling|
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