专利摘要:
The present invention provides a thin-walled housing for an electrical or electronic device, such as, for example, a cover plate for electrical or electronic installation material, a housing for a remote control or a housing for a device for measuring the consumption of an electrical appliance, such as, for example, a so-called smart plug or smart plug. The thin-walled housing is made of polymer concrete and has a thickness between 1.5 mm and 15 mm.
公开号:BE1022672B1
申请号:E2015/5007
申请日:2015-01-09
公开日:2016-07-13
发明作者:Reeth Filip Van;Ranst Jurgen Van;Niels Verhaeghe;Pauw Franky De;Katalin Ivanka;Andras Rudolf Ivanka
申请人:Niko Nv;Ivanka Factory Zartköruen Muködo Részvénytársaság;
IPC主号:
专利说明:

THIN-WALLED HOUSING FOR AN ELECTRIC OR ELECTRONIC
DESIGN
Technical scope of the invention
The present invention relates to a thin-walled housing for an electrical or electronic device. More particularly, the present invention relates to a thin-walled housing with a thickness between 1.5 mm and 15 mm made of epoxy concrete.
BACKGROUND OF THE INVENTION
Modern interiors increasingly require a modern finish of electrical or electronic devices such as, for example, cover plates for electrical or electronic installation material such as switches, sockets, USB connections and the like. One of the popular materials for that is concrete. However, when thin housings are required, such as, for example, cover plates or housings for remote controls or the like, there is a high probability that these housings tear, crack, or even break when a force is applied to them, for example, during installation or use thereof. This is because cement concrete can only withstand a very limited amount of tensile stress. Such tensile stress is caused by pulling, bending or twisting, which is necessary to assemble and disassemble the parts. Furthermore, only simple shapes are possible due to manufacturing limitations.
Solutions have already been given. For example, in EP 2 133 972 a cover plate for an electrical device is described. The cover plate is made of cement concrete and includes a thin metal plate that is completely surrounded by the concrete to make it stronger. However, this makes the manufacturing process for the cover plate much more complicated because two different materials are used and the metal plate must be embedded in the concrete material.
Summary of the invention
It is an object of embodiments of the present invention to provide a thin-walled housing for an electrical or electronic device that has a concrete look and feel but that is also strong and flexible and does not break or crack when forces are exerted on it.
In a first aspect, the present invention provides a thin-walled housing for an electrical or electronic device. The thin-walled housing is made of polymer concrete and has a thickness between 1.5 mm and 15 mm.
According to embodiments of the invention, the polymer concrete can be between 40% and 85% polymer resin + curing agent, between 10% and 50% mineral filler such as, for example, sand (e.g. quartz sand), aluminum hydroxide, basalt, granite, clay, brick, limestone and the like, between 5 % and 50% lightweight (LW) filler such as, for example, silicate microspheres, and between 0.8% and 3% SiO 2.
The LW filler, such as silicate microspheres, is added with the aim of keeping the polymer-concrete mixture homogeneous by reducing the viscosity of the mixture, which allows a better mixing of the components.
Addition of SiO 2 ensures that the mineral filler is not separated from the other components of the polymer concrete by preventing the mineral filler from settling and sinking to the bottom, either in the mixture when casting the thin-walled housing or in the cast thin-walled housing or in the thin-walled housing during curing. Furthermore, the SiO 2 has the property to absorb moisture and helps the mixture achieve the desired consistency.
The polymer resin can preferably be epoxy, polyester, polyurea or polyurethane. The type of curing agent depends on the type of polymer resin used.
According to embodiments of the invention, the polymer concrete can comprise between 65% and 75% polymer resin + curing agent.
According to embodiments of the invention, the polymer concrete may comprise between 15% and 25% mineral filler such as, for example, sand (e.g., quartz sand), aluminum hydroxide, basalt, granite, clay, brick, limestone, and the like.
According to embodiments of the invention, the polymer concrete can comprise between 7% and 13% LW filler.
According to embodiments of the invention, the polymer concrete can comprise between 1% and 2% SiO 2.
The thin-walled housing can be a cover plate for electrical or electronic installation material such as, for example, a power outlet, a switch, a network connection point, a USB connection or the like. The cover plate may have a plane and an edge around that plane. The surface can have a thickness between 1.5 mm and 8 mm and the edge can have a thickness between 2 mm and 15 mm.
According to other embodiments of the invention, the thin-walled housing can be a housing for a remote control or a housing for a device for measuring the consumption of an electrical device, such as, for example, a so-called smart plug or smart plug. In a second aspect, the invention provides a method for manufacturing a thin-walled housing for an electrical or electronic device. The method comprises providing a mold, pouring a polymer concrete into the mold, wherein the polymer concrete between 40% and 85% polymer resin + curing agent, between 10% and 50% sand, between 5% and 50% lightweight (LW) filler , and between 0.8 and 3% SiO 2. In a next step, the polymer concrete mixture is cured and the thin-walled housing is removed from the mold. According to embodiments of the invention, providing a mold may comprise providing a mold made of polyoxymethylene (POM), polypropylene, silicone or polyamide.
The method may further include machining, for example, sanding or milling, the thin-walled housing to achieve a flat surface and achieve the required thickness.
Removing the thin-walled housing from the mold can, according to embodiments of the invention, be done by ejecting the thin-walled housing from the mold with an ejector plate with ejector pins. For this purpose, the mold can include cylinders that can be moved through the ejector pins of the ejector plate of an external ejection mechanism to eject the thin-walled housing from the mold. These cylinders can be made of plastic or any other suitable material that can be machined such as, for example, stainless steel. An advantage of this is that cheap molds can be made that do not require an ejection mechanism. Due to the presence of these cylinders, only an external ejection mechanism is required.
The mold may further comprise notches to form high-precision alignment properties and / or positioning properties and / or fixation properties on the thin-walled housing.
Brief description of the drawings
It should be noted that the same reference numbers in the different figures refer to the same, similar or analogous elements.
Figures 1A to 1D show a front view (Figure IA), a rear view (Figure 1B), a top view (Figure IC) and a cross-section along line AA as indicated in Figure IC (Figure 1D) of a cover plate for electrical or electronic installation material according to embodiments of the invention.
Figure 2 shows a 3D view (Figure 2A) of a remote control that comprises a housing according to embodiments of the invention, and a cut-away front view (Figure 2B) and a cut-away rear view (Figure 2C) of the housing of such a remote control.
Figure 3 shows a 3D view (Figure 3A) of a device for measuring the consumption of an electrical device comprising a housing according to embodiments of the invention, and a cut-away front view (Figure 3B) and a cut-away rear view (Figure 3C) of the housing of such a device.
Figure 4 shows a 3D view (Figure 4A), a top view (Figure 4B) and a cross-section along line A-A as shown in Figure 4B (Figure 4C) of a mold that can be used in a method according to embodiments of the invention.
Description of enlightening embodiments
In the description, various embodiments will be used to describe the invention. Reference will be made to various drawings for this. It is to be understood that these drawings are intended to be non-limiting. The invention is only limited by the claims. The drawings are therefore illustrative, with the size of some elements in the drawings being exaggerated for clarification.
The term "includes" should not be construed as limiting the invention in any way. The term "includes" used in the claims is not intended to be limited to what is subsequently described; it does not exclude other elements, parts or steps.
Not all embodiments of the invention include all features of the invention. In the following description and claims, any of the embodiments claimed may be used in any combination.
In a first aspect, the present invention provides a thin-walled housing for an electrical or electronic device. The thin-walled housing is made of polymer concrete and has a thickness between 1.5 mm and 15 mm.
A thin-walled housing according to embodiments of the invention is strong and flexible despite the fact that it is very thin, and will therefore not crack or break when forces are exerted on it during, for example, installation or use.
The present invention will be described below by means of various embodiments. It is to be understood that these embodiments are only for ease of understanding of the invention and are not intended to limit the invention in any way.
Figure 1 shows a first embodiment of a thin-walled housing 10 according to the invention. In the embodiment shown, the thin-walled housing 10 is a cover plate for electrical or electronic installation material such as, for example, a switch, a socket, a network connection point, a USB connection or the like. Figure 1A shows a front side, Figure 1B shows a rear side and Figure IC a top view of the cover plate 10. As can be seen in the figures, the cover plate 10 is a double cover plate, ie for example two adjacent switches, sockets, network connection points, USB connections or the like. However, this is not intended to limit the invention in any way. The cover plate 10 could also be a single, triple or any other cover plate 10 known to those skilled in the art.
The cover plate 10 is made of polymer concrete. According to embodiments of the invention, the polymer concrete can comprise between 40% and 85% polymer resin + curing agent, between 10% and 50% mineral filler, between 5% and 50% light weight (LW) filler and between 0.8% and 3% SiO 2.
The polymer resin can preferably be epoxy, polyester, polyurea or polyurethane. The type of curing agent depends on the type of polymer resin used. In the case that the polymer resin is epoxy, for example, an aliphatic polyamine can be used as a hardener. For example, when the polymer resin is polyurea or polyurethane, isocyanates can be used as the curing agent. When the polymer resin is polyester, a peroxide such as e.g. methyl ethyl ketone peroxide can be used as a hardener.
The mineral filler may be, for example, sand (e.g., quartz sand), aluminum hydroxide, basalt, granite, clay, stone, limestone, or the like.
The LW filler can comprise, for example, silicate microspheres and is added for the purpose of keeping the polymer concrete mixture homogeneous by reducing the viscosity of the mixture, allowing better mixing of the mixture.
The SiO 2 is added to ensure that the mineral filler is not separated from the other components of the polymer concrete by preventing the mineral filler from precipitating and sinking to the bottom, either in the mixture when casting the thin-walled housing or in the cast thin-walled housing or in the thin-walled housing during curing. The SiO 2 increases the consistency of the polymer concrete mix. Furthermore, due to the property to absorb moisture, the addition of SiO 2 can influence other effects such as curing time.
Preferably, the polymer concrete can comprise between 65% and 75% polymer resin + curing agent, between 15% and 25% mineral filler, between 7% and 13% LW filler and between 1% and 2% SiO 2.
An example of a suitable polymer concrete mixture used in accordance with embodiments of the invention but not intended to be limited in any way may be, for example, a mixture containing 68.8% epoxy + aminomethyl, trimethylcyclohexilamine, benzyl alcohol, 19.7 % sand, 9.8% silicate microspheres and 1.7% SiO 2. Preferably the 68.8% epoxy + aminomethyl, trimethylcyclohexilamine, benzyl alcohol may consist of 49.1% epoxy + 19.7% aminomethyl, trimethylcyclohexilamine, benzyl alcohol.
The cover plate 10 has a face 1 and an edge 2 around that face 1. The face 1 has a first thickness dcpi (see Figure 1D which shows a cross-section of the cover plate 10 along the line AA as indicated in Figure IC) that is between 1 5 mm and 8 mm, preferably between 1.5 mm and 3 mm and most preferably between 2.1 mm and 2.5 mm. The edge 2 has a second thickness dcp2, which is higher than the first thickness dcp1, and which can be between 2 mm and 15 mm, preferably between 6 mm and 11 mm and, for example, be 8.65 mm (see also Figure 1D).
Such thin values can only be obtained because of the material chosen, i.e. polymer concrete. This gives the cover plate 10 a look and feel of cement concrete, but does not have the disadvantages of using real cement concrete. By using polymer concrete according to embodiments of the invention, the resulting thin-walled housing, in the given cover plate 10, will not break or crack during assembly or disassembly or during any other use.
In the given example, the cover plate 10 further comprises two square openings 3 for the placement of the functional modules of the electrical or electronic device. The functional module depends on the type of electrical or electronic device. For example, for a switch the functional module can be a button, while for a USB connection this can be a USB port. The presence of such square openings 3, when using cement concrete, can cause a risk of breakage either during casting due to shrinkage stress in the corners, or when using the cover plate due to the notch effect, which causes high stresses near sharp corners. This risk is prevented by using polymer concrete. This is because polymer concrete will shrink less than cement concrete during curing and therefore the shrinkage stress will be lower in polymer concrete than in cement concrete. Furthermore, the shrinkage stress that occurs in the polymer concrete will be considerably lower than the tensile strength of the polymer concrete, so that this will not cause any cracks, cracks or fractures of the thin-walled housing according to embodiments of the invention. The presence of square openings 3 in the cover plate 10 thus introduces no risk of breaking or cracking of the cover plate 10, neither during the manufacturing process nor during use of the cover plate 10.
The cover plate 10 may further comprise alignment means 4 for correctly aligning the cover plate 10 on a base plate (not shown) before being used for the electrical or electronic device. The base plate can, for example, be made of plastic and can guarantee the safety of the entire cover when it is mounted on the electrical or electronic device. It ensures double insulation for the user by preventing live parts of the electrical or electronic device, e.g. by loose wires in the electrical or electronic device, touched by the user.
A cover plate 10 according to embodiments of the invention has some advantages over cover plates made of cement concrete. The cover plate is strong yet flexible, which guarantees that it does not break or crack during assembly or disassembly.
Furthermore, the cover plate is flexible enough to be properly aligned with the wall, without breaking or cracking, even when the wall is not perfectly flat, because it can withstand the torsional and bending stress acting on it when aligned with the wall. ·
Furthermore, the use of polymer concrete allows complicated shapes because there are fewer manufacturing limitations. This will be shown below.
Figures 2A to 2C show another embodiment of the thin-walled housing 10 for an electrical or electronic device 20 according to the invention. In the embodiment shown in Figures 2A to 2C, the thin-walled housing is a housing 10 for a remote control 20. The remote control 20 also comprises a holder 21 in which the remote control 20 can be placed when it is not in use and / or in which it can be charged . Figure 2A shows a 3D view, Figure 2B a cut-away front view and Figure 2C a cut-away rear view of the remote control 20.
The housing 10a, 10b is, according to the invention, made of polymer concrete that may have a similar composition as described for the embodiment shown in Figures IA to 1D, and thus will have the same advantages as the cover plate 10 shown in Figures IA until 1D is shown. The container 21 can also be made of polymer concrete or can be made of any other suitable material.
The housing 10a, 10b of the remote control 20 comprises a hollow part 10a and a cover part 10b. Both parts 10a, 10b are made of polymer concrete. The device 20 further comprises an intermediate part 5 for, on the one hand, fixing the cover part 10b and, on the other hand, transferring the movement from the cover part 10b to the switches in the device 20.
The intermediate part 5 can, for example, be made of a thermoplastic material.
As can be seen in Figure 2B, the hollow part 10a can have fixing means 6 in the form of screw holes for attaching the cover part 10b to it. The cover part 10b can further comprise positioning means 7 for properly positioning the cover part 10b on the intermediate part 5.
The hollow part 10a and the cover part 10b can have a thickness between 1.5 mm and 5 mm, preferably between 2 mm and 3 mm.
Because of the use of polymer concrete to form the housing 10 of this remote control, it is possible to make this housing 10 rather thin without the risk of it breaking when turned or when the two parts 10a, 10b of the housing are attached to each other . The use of polymer concrete according to embodiments of the invention also makes it possible to make rounded shapes with very limited thicknesses, which would be more difficult if cement concrete is used.
Another example of a thin-walled housing 10 for an electrical or electronic device 20 according to another embodiment of the invention is shown in Figures 3A to 3C. According to this embodiment, the electrical or electronic device 20 can be a so-called smart plug or smart plug for measuring the consumption of an electrical device, such as for example a washing machine or the like. Figure 3A shows a 3D view of the smart plug 20 and Figure 3B and Figure 3C show a cut-away view of the front side and the rear side of the housing 10a, b, respectively, of such a smart plug 20.
Similar to the remote control 20 shown in Figures 2A to 2C, the housing 10 of the smart plug 20 also includes a hollow member 10a and a cover member 10b.
The housing 10a, 10b is, according to the invention, made of polymer concrete, which has a similar composition as described for the embodiment shown in Figures 1A to 1D, and thus will have the same advantages as the cover plate 10 shown in the Figures 1A to 1D.
The hollow part 10a and the cover part 10b can have a thickness between 1.5 mm and 5 mm, preferably between 2 mm and 3 mm.
The housing 10a, 10b of the smart plug 20 can further comprise fixing means 6 and positioning means 7.
In a second aspect, the present invention provides a method for manufacturing a thin-walled housing 10 for an electrical or electronic device 20. The method comprises providing a mold, pouring a polymer concrete mixture into the mold, the polymer concrete mixture being between 40% and 85% polymer resin + curing agent, between 10% and 50% sand, between 5% and 50% lightweight (LW) filler and between 0.8 and 3% SiO 2, curing the polymer concrete mix, and removing the thin-walled housing from the mold.
The polymer resin can preferably be epoxy, polyester, polyurea or polyurethane. The type of curing agent depends on the type of polymer resin used. For example, in the case that the polymer resin is epoxy, an aliphatic polyamine can be used as a hardener. For example, when the polymer resin is polyurea or polyurethane, isocyanates can be used as the curing agent. When the polymer resin is polyester, a peroxide such as e.g. methyl ethyl ketone peroxide can be used as a hardener.
The mineral filler may be, for example, sand (e.g., quartz sand), aluminum hydroxide, basalt, granite, clay, stone, limestone, or the like.
The LW filler can comprise, for example, silicate microspheres and is added for the purpose of allowing the polymer concrete mixture to remain a homogeneous mixture by lowering the viscosity of the mixture, allowing for a better mix of the mixture.
The SiO 2 is added to ensure that the mineral filler is not separated from the other components of the polymer concrete mix before or during curing by preventing the mineral filler from settling and sinking to the bottom.
The SiO 2 increases the consistency of the polymer concrete mix. Furthermore, due to the property to absorb moisture, the addition of SiO 2 can influence other effects such as curing time.
Preferably, the polymer concrete mixture can comprise between 65% and 75% polymer resin + curing agent, between 15% and 25% mineral filler, between 7% and 13% LW filler and between 1% and 2% SiO 2. An example of a suitable polymer concrete mixture used in accordance with embodiments of the invention but not intended to be limited in any way may be, for example, a mixture containing 68.8% epoxy + aminomethyl, trimethylcyclohexilamine, benzyl alcohol, 19.7 % sand, 9.8% silicate microspheres and 1.7% SiO 2.
According to embodiments of the invention, curing can be done for at least 16 hours at a temperature of between 20 ° C and 80 ° C, preferably between 30 ° C and 35 ° C, and at a relative humidity of less than 70% .
The mold used in the process can preferably be made of polyoxymethylene (POM), polypropylene, silicone or polyamide. Figures 4A to 4C show a 3D view (Figure 4A), a top view (Figure 4B) and a cross-section along the line AA as indicated in Figure 4B (Figure 4C) of a mold 30 that can be used for the method according to embodiments of the invention for the manufacture of a double cover plate as shown in Figures 1A to 1D. It should be noted that this mold is only shown for the sake of simplicity of clarification and that it is not intended to limit the invention in any way.
The mold 30 comprises at least one recess in the shape of the thin-walled housing 10 to be made. The embodiment in Figures 4A to 4C show two square recesses 31 with smaller raised square parts 32 to make the openings 3 for the functional modules. The mold 30 further comprises notches 33 for the formation of high-precision alignment means 4 and / or fixation means 6 and / or positioning means 7 on the thin-walled housing 10. In the example given, these notches 33 are for fitting the cover plate 10 with alignment means for suitable alignment. place on a base plate when it is installed on electrical or electronic installation material, such as an electrical outlet, a switch, a network connection point, a USB connection or the like.
After hardening, the thin-walled housing 10 is removed from the mold 30. This can be done by ejecting the thin-walled housing 10 from the mold 30 with an ejector plate comprising ejector pins (not shown). This ejector plate with ejector pin is part of a separate ejection mechanism that is not part of the mold 30 itself. The mold 30 can therefore further comprise cylinders 34 which can be moved through the ejector pins of the ejector plate of the external ejection mechanism to eject the thin-walled housing 10 from the mold 30. The cylinders 34 can be made of plastic or any other suitable material that can be machined such as, for example, stainless steel.
An advantage hereof is that, since the ejector mechanism is not part of the mold 30 but is an external ejector mechanism, the molds 30 can be made inexpensively because only movable pins, which can be made, for example, of plastic, have to be attached to the mold 30 to provide.
After curing and removing the thin-walled housing 10 from the mold 30, the thin-walled housing 10 can be machined, e.g. by sanding or milling, to obtain a flat surface and to achieve the required thickness between 1.5 mm and 15 mm, depending on the type of thin-walled housing 10 being manufactured.
权利要求:
Claims (15)
[1]
CONCLUSIONS
A thin-walled housing (10) for an electrical or electronic device (20), characterized in that the thin-walled housing (10) is made of polymer concrete and has a thickness between 1.5 mm and 15 mm.
[2]
The thin-walled housing (10) of claim 1, wherein the polymer concrete comprises: - between 40% and 85% polymer resin + curing agent, - between 10% and 50% mineral filler, - between 5% and 50% lightweight (LW) filler, and - between 0.8% and 3% SiO 2.
[3]
The thin-walled housing (10) of any one of the preceding claims, wherein the polymer resin is epoxy, polyester, polyurea or polyurethane.
[4]
A thin-walled housing (10) according to any one of the preceding claims, wherein the polymer concrete comprises between 65% and 75% polymer resin + curing agent.
[5]
The thin-walled housing (10) of any one of the preceding claims, wherein the polymer concrete comprises between 15% and 25% mineral filler.
[6]
The thin-walled housing (10) of any one of the preceding claims, wherein the polymer concrete comprises between 7% and 13% lightweight (LW) filler.
[7]
The thin-walled housing (10) of any one of the preceding claims, wherein the polymer concrete comprises between 1% and 2% SiO 2.
[8]
The thin-walled housing (10) according to any of the preceding claims, wherein the thin-walled housing (10) is a cover plate for electrical or electronic installation material.
[9]
The thin-walled housing (10) of claim 8, wherein the cover plate has a face (1) and an edge (2) around that face (1), the face (1) having a thickness dCpi between 1.5 mm and 8 mm and wherein the edge (2) has a thickness dcp2 between 2 mm and 15 mm.
[10]
The thin-walled housing (10) according to any of claims 1 to 7, wherein the thin-walled housing (10) is a housing (10a, 10b) for a remote control (20) or a housing (10a, 10b) for a device (20) for measuring the consumption of an electrical device.
[11]
A method of manufacturing a thin-walled housing (10) for an electrical or electronic device (20), the method comprising the following: - providing a mold (30), - pouring a polymer concrete mixture into the mold ( 30), wherein the polymer-concrete mixture comprises between 40% and 85% polymer resin + curing agent, between 10% and 50% mineral filler, between 5% and 50% lightweight (LW) filler and between 0.8 and 3% SiO 2, curing the polymer concrete mixture, and - removing the thin-walled housing (10) from the mold (30).
[12]
The method of claim 11, wherein providing a mold (30) comprises providing a mold (30) made of polyoxymethylene (POM), polypropylene, silicone or polyamide.
[13]
A method according to claim 11 or 12, further comprising, after removing the thin-walled housing (10) from the mold (30), machining the thin-walled housing (10).
[14]
A method according to any of claims 11 to 13, wherein the removal of the thin-walled housing (10) from the mold (30) is done by ejecting the thin-walled housing (10) from the mold (30) with an ejector plate containing ejector pins includes.
[15]
A method according to any of claims 11 to 14, wherein the mold (30) comprises notches (33) for forming high-precision alignment means (4) and / or fixation means (6) and / or positioning means (7) on the thin-walled housing (10).
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同族专利:
公开号 | 公开日
HUE034926T2|2018-03-28|
PL3043432T3|2018-02-28|
EP3043432B1|2017-08-09|
NO3043432T3|2018-01-06|
EP3043432A1|2016-07-13|
BE1022672A9|2016-10-06|
BE1022672A1|2016-07-13|
DK3043432T3|2017-11-13|
引用文献:
公开号 | 申请日 | 公开日 | 申请人 | 专利标题
DE202006019593U1|2006-12-21|2007-04-12|Roxtec Ab|Fireproof wall passage, to take pipes/cables through a building/ship wall opening, has frames fastened in the wall opening containing pressed module bodies pushed home by press units|
EP2133972A1|2008-06-12|2009-12-16|Legrand France|Covering plate for an electrical device|
法律状态:
2018-11-08| FG| Patent granted|Effective date: 20160713 |
2018-11-08| MM| Lapsed because of non-payment of the annual fee|Effective date: 20180131 |
优先权:
申请号 | 申请日 | 专利标题
BE20155007A|BE1022672A9|2015-01-09|2015-01-09|THIN-WALLED HOUSING FOR AN ELECTRIC OR ELECTRONIC DEVICE|BE20155007A| BE1022672A9|2015-01-09|2015-01-09|THIN-WALLED HOUSING FOR AN ELECTRIC OR ELECTRONIC DEVICE|
NO16150516A| NO3043432T3|2015-01-09|2016-01-08|
EP16150516.9A| EP3043432B1|2015-01-09|2016-01-08|Thin-walled housing for an electric or electronic device|
DK16150516.9T| DK3043432T3|2015-01-09|2016-01-08|THIN-WALL HOUSE FOR AN ELECTRIC OR ELECTRONIC DEVICE|
PL16150516T| PL3043432T3|2015-01-09|2016-01-08|Thin-walled housing for an electric or electronic device|
HUE16150516A| HUE034926T2|2015-01-09|2016-01-08|Thin-walled housing for an electric or electronic device|
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