• 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:
    Apparatus (1) for retaining dust from a drilling operation, comprising a closed envelope defining a volume (2) for receiving said dust, said envelope comprising a rear face (4) intended to be pressed against a surface to drill, and an opposite front face (3) for receiving a drill bit for the drilling operation as such. According to the invention, the envelope contains a gel (7) adapted, by the rotation of the drill bit, to be mixed with the dust from the drilling operation.
    公开号:FR3031684A1
    申请号:FR1550340
    申请日:2015-01-16
    公开日:2016-07-22
    发明作者:Alain Rivat；Sebastien Metayer；Olivier Ceysson
    申请人:Gerflor SA；
    IPC主号:
    专利说明:

    [0001] TECHNICAL FIELD The present invention relates to the technical field of building and in particular to drilling any material with a hand tool, such as a drill equipped with a drill bit . The present invention more particularly relates to a device for retaining dust residues, or any other debris resulting from a drilling operation. The invention finds an advantageous, but not limiting, application in the retention of dust from a piercing operation of a material that has been stabilized. BACKGROUND OF THE PRIOR ART It is known from the state of the art a device for retaining dust from a drilling operation, in the form of a transparent plastic capsule, comprising an envelope defining a volume intended for receiving said dust. More specifically, said capsule comprises a rear face, intended to be pressed against a surface to be pierced, and an opposite front face and intended to receive in support a drill bit for the drilling operation as such. In order to carry out the drilling operation, the drill moves in rotation, pierces and passes successively through the front and rear faces of the capsule to then pierce the surface. The capsule remains pressed against the surface, and the dust from the piercing operation, discharged generally along the drill, are trapped in the volume of said capsule. Advantageously, the rear wall of this type of capsule comprises adhesive means for holding said capsule against the surface to be pierced, and leave free the hands of a user performing the drilling operation. This type of retention cap gives a rough result, rather satisfactory for small piercing work. Indeed, the seal between the capsule and the surface to be pierced is not optimal so that dust leaks occur during drilling. In addition, the seal between the drill bit and the pierced cap is also not optimal and also causes dust leakage. Thus, this type of capsule is acceptable for small crafts. However, due to residual leakage, this type of capsule is not suitable for drilling toxic materials or carcinogens, such as asbestos, for example. SUMMARY OF THE INVENTION Thus, the object of the invention is to provide a device for retaining dust resulting from a drilling operation making it possible to optimally retain said dust without leakage. Another object of the invention is to provide such a dust retention device which makes it possible to drill holes on asbestos products in a healthy, safe and rapid manner. In order to solve the above-mentioned problems, a device for retaining dust from a drilling operation has been developed, comprising a closed envelope, preferably transparent to the light and defining a volume for receiving said dust. The envelope comprises a rear face intended to be pressed against a surface to be pierced, and a front face opposite said rear face, intended to support a drill bit for the drilling operation as such. According to the invention, the envelope contains a gel, preferably transparent to light, and adapted, by rotation of the drill bit, to be mixed with the dust from the piercing operation. By gel is meant a product, consisting mainly of liquid, but which behaves like a solid, ie which has no flow when in a stable state. In this way, to perform the drilling operation, the retention device is positioned so that its rear face is pressed against the surface to be pierced. The fact that the capsule and the gel are, advantageously, transparent makes it easier to position and center the retention device with respect to the piercing to be performed. A drill of a drill then bears against the front face and begins the drilling operation by rotation. Thus, the drill pierces and traverses the front face of the device casing, then passes through the gel and drives it at least partly in rotation, and finally pierces and passes through the rear face of the casing to perform the drilling of the casing. surface itself. The dust from the bore then rise along the drill bit and come, without leakage, to imprison in the gel by mixing with it. The seal between the retention device and the drill bit is optimal. The device according to the invention thus makes it possible to pierce a material that has been safely absorbed in a healthy and rapid manner.
    [0002] To facilitate the use of the retention device according to the invention, it comprises an adhesive layer arranged on the rear face to allow the attachment of said device on the surface to be pierced. To further improve the seal between the surface to be pierced and the retention device 15 according to the invention, the rear face of the envelope comprises an opening, adapted to the dimensions of the hole to be made, and closed by a peelable seal, preferably made in a material transparent to light. In this way, the cap is removed before positioning the retention device 20 against the surface to be pierced. The cap removed reveals an opening, for example circular, in the rear face of the envelope. To perform the drilling, the rear face of the casing is pressed against the surface to be pierced so that the opening in the rear face coincides and communicates with the drilling to be performed. Thus, the drilling to be performed is in direct communication with the internal volume of the device and the gel, so that during drilling, the seal between the retention device and the surface to be pierced is optimal. The risks of dust leakage are removed. More advantageously, after removal of the seal, gel comes into direct contact with the surface to be pierced when the device is pressed against said surface, so that the seal is increased. According to a particular embodiment of the retention device according to the invention, the peelable seal is arranged on the adhesive layer. The adhesive layer comprises an opening in correspondence with the opening of the rear face, and the face of the adhesive layer in contact with the envelope comprises a greater adhesion force than that of the face in contact with the lid, so as to remain on the rear face of the envelope after removal of the peelable seal and allow attachment of said device on the surface to be pierced.
    [0003] Preferably, the retention device comprises means for centering the capsule with respect to the drilling to be performed. Preferably, the retention device comprises means for guiding the drill bit. According to a particular embodiment, the centering means and the guiding means are in the form of a recess formed in the front face of the casing, suitable on the one hand for receiving and guiding a drill bit and, on the other hand, to allow the centering of the device by aligning the recess with the pierce to be made. According to a particular embodiment, the casing is frustoconical and advantageously comprises an annular peripheral bead formed on the side of the front face so as to avoid, during drilling, the direct rise of the dust. Indeed the rounded shape of the bead makes it possible to reduce the dust towards the center of the volume of the retention device, and thus avoids the risk of leakage. BRIEF DESCRIPTION OF THE DRAWINGS Other features and advantages of the invention will emerge clearly from the description which is given hereinafter, by way of indication and in no way limiting, with reference to the single figure illustrating, on the retention according to the invention. DETAILED DESCRIPTION OF THE INVENTION The invention relates, with reference to FIG. 1, to a device (1) for retaining dust from a drilling operation. More specifically, the retention device (1) is in the form of a capsule (la) made of plastic material, preferably transparent to light, and advantageously of frustoconical general shape. The capsule (la) comprises a closed envelope so as to define an internal volume (2) for receiving the dust. The capsule (la) comprises a circular front face (3) and a rear face (4), also circular, and formed by the large base of the frustoconical shape.
    [0004] The device (1) according to the invention is used to recover dust from a drilling operation. For this purpose, the drilling is carried out through said capsule (la). The rear face (4) comprises an annular support flange (4a) and is intended to be pressed against a surface to be pierced. This flange (4a) advantageously comprises a centering cross, that is to say four notches or more generally four visual indicators (5) formed on the periphery of said flange (4a) and regularly distributed around said flange (4a) . This centering cross makes it possible to visualize the center of the rear face (4) and to correctly position said face with respect to the drilling to be performed. The front face (3) of the capsule (la) comprises a recess (6), preferably circular or frustoconical, centered and adapted, on the one hand, to receive and guide a drill bit and, on the other hand, to allow the centering of the device (1) by aligning the recess (6) with the drilling to be performed. The recess (6) is also, in fact, centered with respect to the centering cross of the collar (4a). In order to optimally recover the dust, the capsule (la) contains a product in the form of a gel (7), such as, for example, an ultrasound gel, based on water, glycol-polyacrylate, and condoms. The gel (7) can be of any suitable type, the essential is that it is suitable for mixing with dust from a drilling operation. The gel (7) is a non-Newtonian fluid, mainly consisting of liquid, behaving like a solid, namely which has no flow when in a stable state. The rear face (4) of the capsule (la) comprises a circular opening (8), centered and adapted to the dimensions of the hole to be made. The opening (8) is in particular larger than the hole to be made, and is closed by a peelable seal (9), preferably made of material transparent to light. The lid (9) comprises a peripheral tongue (9a) to facilitate its removal. It is held on the rear face (4) of the capsule (la) by means of an adhesive layer (10), comprising an opening in correspondence with the opening (8) of the rear face (4), of which the adhesion force of the capsule side (1a) is greater than the adhesive force of the operculum side (9). Thus, when the cover (9) is peeled and removed, the adhesive layer (10) remains on the rear face (4) of the capsule (la) and allows the attachment and maintenance of the capsule (la) on the surface to pierce.
    [0005] In this way, to perform the piercing operation, the cover (9) is removed by pulling on the tongue (9a), and the capsule (la) is positioned so as to come to press the rear face (4) of its envelope against the surface to be pierced. The lid (9) is centered relative to the bore to be made by means of the centering cross and / or the recess (6) of the front face (3). The adhesive layer (10) holds the capsule (la) against the surface to be pierced. The drill bit of a drill then comes into the recess (6) for centering and guiding, bearing against the front face (3) and begins the drilling operation. Thus, the drill pierces and traverses the front face (3) of the envelope of the capsule (1a), then passes through the gel (7) and drives it at least partly in rotation, and finally crosses the rear face (4). ) through the opening (8) to achieve the drilling of the actual surface. The seal between the capsule (1a) and the surface to be pierced, as well as between the capsule (1a) and the drill bit is optimal. The dust from the bore then go up along the drill bit and come, without leakage, to imprison in the gel (7) by mixing with it. Advantageously, the envelope comprises an annular peripheral bead 20 (11) formed on the side of the front face (3) so as to avoid, during drilling, the direct rise of dust. Indeed the rounded shape of the bead (11) allows to bring the dust towards the center of the volume (2) of the capsule (la), and thus avoids the risk of leakage.
    [0006] Thus, it will be apparent from the foregoing that the invention proposes a device (1) for the retention of dust making it possible to carry out drilling operations on a material that is safely and safely disposed of in a healthy, simple and rapid manner. on both vertical and horizontal surfaces without emitting asbestos fibers. This capsule (la) then makes it possible to overcome any heavy security measure, such as for example the wearing of a tight suit and a breathing mask. When the piercing is done, the residues of asbestos are trapped in the gel (7) of the capsule (la), and it can be easily treated as waste friend. 35
    权利要求:
    Claims (2)
    [0001]
    REVENDICATIONS1. Apparatus (1) for retaining dust from a drilling operation, comprising a closed envelope defining a volume (2) for receiving said dust, said envelope comprising a rear face (4) intended to be pressed against a surface to be pierced, and a front face (3) opposite to the rear face (4), intended to receive a drill bit for the drilling operation as such, said device (1) being characterized in that the casing contains a gel (7) adapted, by the rotation of the drill bit, to be mixed with the dust from the drilling operation. Device (1) for the retention of dust according to claim 1, characterized in that the envelope (la) and the gel are transparent to light. Device (1) for the retention of dust according to one of claims 1 and 2, characterized in that it comprises an adhesive layer (10) arranged on the rear face (4) to allow the fixing of said device (1) on the surface to be pierced. Device (1) for the retention of dust according to one of claims 1 to 3, characterized in that the rear face (4) of the envelope comprises an opening (8), adapted to the dimensions of the hole to be produced, and closed by a peelable seal (9). Device (1) for the retention of dust according to claim 4, characterized in that the cover (9) is transparent to light. Device (1) for retention of dust according to one of claims 4 and 5, characterized in that the peelable seal (9) is arranged on the adhesive layer (10), said adhesive layer (10) comprising a corresponding opening with the opening (8) of the rear face (4), and the face of the adhesive layer (10) in contact with the envelope comprises an adhesion force greater than that of the face in contact with the cover ( 9), so as to remain on the rear face (4) of the envelope after removal of the peelable seal (9) and allow attachment of said device (1) on the surface to be pierced. Device (1) for the retention of dust according to any one of the preceding claims, characterized in that it comprises centering means (5, 6) relative to the drilling to be performed. Device (1) for the retention of dust according to Claim 7, characterized in that the centering means are in the form of a recess (6) made at 10
    [0002]
    2. 153. 4. 20 5. 25 6. 30 35 7. 8. 40sein of the front face (3) of the casing, adapted to receive and center the device (1) by the alignment of the recess (6) with the drilling to be done. 9. Device (1) for the retention of dust according to any one of the preceding claims, characterized in that it comprises means (6) for guiding the drill bit. 10. Device (1) for the retention of dust according to claim 9, characterized in that the guide means are in the form of a recess (6) formed within the front face (3) of the envelope, suitable for receiving and guiding the drill bit. 11. Apparatus (1) for retention of dust according to any one of the preceding claims, characterized in that the casing is frustoconical and comprises an annular peripheral bead (11) formed on the side of the front face (3).
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    引用文献:
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    法律状态:
    2016-01-28| PLFP| Fee payment|Year of fee payment: 2 |
    2016-07-22| PLSC| Publication of the preliminary search report|Effective date: 20160722 |
    2017-01-24| PLFP| Fee payment|Year of fee payment: 3 |
    2018-01-29| PLFP| Fee payment|Year of fee payment: 4 |
    2020-01-30| PLFP| Fee payment|Year of fee payment: 6 |
    2021-01-28| PLFP| Fee payment|Year of fee payment: 7 |
    2022-01-31| PLFP| Fee payment|Year of fee payment: 8 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1550340A|FR3031684B1|2015-01-16|2015-01-16|DEVICE FOR RETENTION OF DUST FROM A DRILLING OPERATION|FR1550340A| FR3031684B1|2015-01-16|2015-01-16|DEVICE FOR RETENTION OF DUST FROM A DRILLING OPERATION|
    CN201680005809.0A| CN107107131A|2015-01-16|2016-01-14|For the device of dust for keeping being produced by drilling operation and the method drilled using the holding meanss to wall|
    PCT/FR2016/050068| WO2016113508A1|2015-01-16|2016-01-14|Device for retaining dust created by a drilling operation, and method for drilling a wall using said retaining device|
    EP16703572.4A| EP3245025B1|2015-01-16|2016-01-14|Drilling dust retention device and wall drilling process implementing said retention device|
    US15/542,725| US20180021859A1|2015-01-16|2016-01-14|Device for retaining dust created by a drilling operation, and method for drilling a wall using said retaining device|
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