KR101358717B1 - Electric conductive gasket - Google Patents

Abstract

Disclosed is a conductive gasket capable of maintaining a shape corresponding to a shape of a facing object and having excellent magnetism self-springing and a wide pushed area. The gasket comprises an elastic rubber tube having one or more through holes inside in the longitudinal direction; a shape maintaining member inserted into the through hole; and a conductive elastic rubber coating layer attached to the outside of the tube. A bent state of the tube and the coating layer is maintained by physically bending the shape maintaining member.

Description

ELECTRIC CONDUCTIVE GASKET

The present invention relates to an electrically conductive gasket, and more particularly to an electrically conductive gasket positioned between opposing objects and electrically connecting the objects with elasticity.

In particular, the present invention relates to an electrically conductive gasket capable of maintaining a shape corresponding to the shape of an object to be opposed, being pressed a lot, and easy to manufacture.

The electroconductive gasket is elastically and electrically connects opposing electrically conductive objects, for example, between the case and the printed circuit board, to shield electromagnetic waves or prevent static electricity of an electric device.

In other words, the electrically conductive gasket serves as an electric contact terminal for interfacing the objects to be used for electromagnetic shielding to prevent electromagnetic waves from leaking or connecting electricity above and below.

Because of this role, the electrically conductive gasket may be required to be configured in a shape similar to the shape of the opposing object.

For example, between objects having various internal structures used in the interior of a mobile communication device, for example, between a case and a printed circuit board, a relatively wide height and width and a complicated structure are thin for the purpose of shielding and grounding electromagnetic waves. There is a need for an electrically conductive gasket that applies to the area. The electrically conductive gasket provided with such a relatively large area is required to have a wide range in which the opposing object is pressed so as to be in good contact with the opposing apparatus even when the mechanical tolerance is large or distorted.

One type of electrically conductive gasket according to the prior art is an electrically conductive silicone rubber gasket in which an electrically conductive elastic rubber coating layer is formed on a surface of a silicone rubber tube having a hole formed in a longitudinal direction therein. Such an electrically conductive silicone rubber gasket has advantages of low material cost, low overall hardness, and good elastic restoring force due to the coating layer. There are disadvantages. In other words, when the conductive silicone rubber is bent, it is difficult to maintain the bent state and thus it is difficult to be provided in a shape corresponding to the shape of the opposing object. In addition, the electrically conductive silicone rubber has a disadvantage in that it is difficult to be provided in a shape corresponding to the object to be extended well in the longitudinal direction.

Another type of electroconductive gasket is a product which die-cut into a shape corresponding to the shape of an object facing an electrically conductive sheet having a predetermined thickness, for example, an electrically conductive silicone rubber sheet.

Since the die-cut sheet-shaped electroconductive gasket is manufactured by removing unnecessary portions after die-cutting the electroconductive sheet, there is a disadvantage in that a large material cost is lost. In addition, the electrically conductive gasket having such a structure has a disadvantage that it is relatively hard and does not press much due to difficulty in forming a lot of pressing force.

Another type of electrically conductive gasket is an electrically conductive silicone rubber dispensing gasket in which a liquid conductive silicone rubber is discharged onto a metal case and cured using a dispenser attached to a robot. This dispensing gasket has the advantage that it can be easily manufactured in a shape corresponding to the shape of the object to be opposed by the robot's program. However, since the dispensing gasket is made of only electrically conductive silicone rubber, the material cost is high, the hardness is high, the pressing force is high, and the elasticity is high. There is a disadvantage that the self-resilience is bad. In addition, there is a disadvantage that it is difficult to form a hole in the interior is not pressed much.

Accordingly, it is an object of the present invention to provide an electrically conductive gasket that is easy to maintain a shape corresponding to the shape of an opposing object.

Another object of the present invention is to provide an electrically conductive gasket having low hardness and good self-resilience as a whole.

Another object of the present invention is to provide an electrically conductive gasket that does not stretch well in the longitudinal direction.

Another object of the present invention is to provide an electrically conductive gasket having a wide range of pressing.

Another object of the present invention is to provide an electrically conductive gasket which is easy to manufacture and low in manufacturing cost.

The above object, the elastic rubber tube having at least one through-hole formed in the longitudinal direction therein; A shape retaining member inserted into the through hole; And an electroconductive elastic rubber coating layer adhered to the outer surface of the tube, and is achieved by an electroconductive gasket characterized by maintaining the bent state of the tube and the coating layer by physical bending of the shape-retaining member. .

The above object, the elastic rubber tube having at least one through-hole formed in the longitudinal direction therein; A shape retaining member embedded in the flesh of the tube; And an electroconductive elastic rubber coating layer adhered to the outer surface of the tube, and is achieved by an electroconductive gasket characterized by maintaining the bent state of the tube and the coating layer by physical bending of the shape-retaining member. .

The above object, the elastic rubber tube having at least one through-hole formed in the longitudinal direction therein; A shape maintaining member installed on an outer surface of the tube; And an electrically conductive elastic rubber coating layer adhered to the shape holding member and the outer surface of the tube, wherein the tube and the coating layer are kept bent by physical bending of the shape holding member. Achieved by a gasket.

Preferably, the cross-sectional area of the shape maintaining member may be smaller than the cross-sectional area of the through hole.

Preferably, grooves extending in the longitudinal direction may be formed on the outer surface of the tube.

Preferably, the shape maintaining member may be a metal wire, and the metal wire may be a copper alloy or an iron alloy having good mechanical strength.

Preferably, the shape retaining member may be bonded to the inner wall in the through hole by an elastic rubber adhesive.

Preferably, the coating layer may be formed by bonding a liquid-conductive silicone rubber corresponding to the coating layer to the outer surface of the tube by curing.

Preferably, the thickness of the coating layer may be thinner than the flesh thickness of the tube.

Preferably, the cross-sectional area of the shape holding member is determined in a range in which the shape holding force of the shape holding member is equal to or larger than the self restoring force of the tube.

Preferably, the bending includes two-dimensional or three-dimensional bending.

Preferably, the tube and the shape holding member may be adhered to each other by an elastic rubber adhesive interposed therebetween, and the shape holding member may be covered by the coating layer.

The above object is, elastic rubber; A shape retaining member embedded in the elastic rubber in a longitudinal direction; And an electroconductive elastic rubber coating layer adhered to the outer surface of the elastic rubber, and achieved by an electrically conductive gasket, wherein the elastic rubber and the coating layer are maintained in a bent state by physical bending of the shape maintaining member. do.

The object is an electrically conductive gasket bent to a certain shape, the electrically conductive gasket, an elastic rubber tube having at least one through hole formed in the longitudinal direction therein; A shape retaining member inserted into the through hole; And an electroconductive elastic rubber coating layer adhered to the outer surface of the tube, wherein the bending is achieved by an electroconductive gasket, characterized by physical bending of the shape retaining member.

The object is an electrically conductive gasket bent to a certain shape, the electrically conductive gasket, an elastic rubber tube having at least one through hole formed in the longitudinal direction therein; A shape retaining member embedded in the flesh of the tube; And the electrically conductive elastic rubber coating layer adhered to the outer surface of the tube, wherein the bending is achieved by an electrically conductive gasket, which is made by physical bending of the shape-retaining member.

The object is an electrically conductive gasket bent to a certain shape, the electrically conductive gasket, an elastic rubber tube having at least one through hole formed in the longitudinal direction therein; A shape maintaining member adhered to an outer surface of the tube; And an electrically conductive elastic rubber coating layer adhered to the shape-retaining member and the outer surface of the tube, wherein the bending is achieved by an electrically conductive gasket characterized by physical bending of the shape-retaining member.

According to the above structure, the electroconductive gasket is easy to maintain a shape corresponding to the shape of the object to be opposed by the shape holding member located in the tube.

In addition, depending on the size and shape of the through-hole, the overall hardness is low, the self-resilience is good, it is easy to adjust the overall hardness and self-resilience.

In addition, there is an advantage that the shape holding member does not easily extend in the longitudinal direction.

In addition, there is an advantage that the range pressed by the size and shape of the through-hole is wide.

In addition, since the conductive conductive rubber coating layer is formed only on the outside of the tube, manufacturing is easy and manufacturing cost is low.

1 illustrates an electrically conductive gasket according to an embodiment of the present invention.
1A is a cross-sectional view taken along line AA of FIG.
Fig. 2 (a) shows various shapes of the tube, and Fig. 2 (b) shows various shapes of the through holes.
Figure 3 shows an example in which the electrically conductive gasket of the present invention is actually applied.
4 is a cross-sectional view of an electrically conductive gasket according to another embodiment of the present invention.
5 is a cross-sectional view of an electrically conductive gasket according to another embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention; It should be noted that the drawings may be exaggerated for clarity and ease of explanation.

FIG. 1 illustrates an electrically conductive gasket 100 according to an embodiment of the present invention, FIG. 1A is a cross-sectional view taken along AA of FIG. 1, and FIG. 2A illustrates various shapes of a tube. b) shows various shapes of the through-holes.

The electrically conductive gasket 100 according to the present invention includes an elastic rubber tube 120 having a through hole 121 formed therein in the longitudinal direction, a shape retaining member 110 inserted into the through hole 121, and a tube 120. It consists of an electrically conductive elastic rubber coating layer 130 bonded to the outer surface of the.

Here, the longitudinal direction refers to a direction perpendicular to the radial direction of the tube 120 when referred to as the width direction.

Tube (120)

The material of the tube 120 is an elastic silicone rubber or urethane rubber having elasticity and a certain size of self-resilience in nature of the material, it can be produced by an extrusion process.

In particular, the tube is non-foamed elastic rubber so that the size of the tube 120 can be made small. Here, the size of the tube 120 refers to the diameter and the thickness of the flesh portion.

The tube 120 has a small pressing force due to the through hole 121 formed in the longitudinal direction as well as the characteristics of the material itself therein and can be pressed a lot and has a good self-resilience.

Although the cross-sectional shape of the tube 120 is shown in a circular shape, it is not limited thereto and may be manufactured in various shapes such as a triangle as shown in FIG. 2 (a) or a quadrangle as shown in FIG. 2 (b).

For example, in the case where the cross-sectional shape of the tube 120 is a triangle, there is a disadvantage in that the force for pressing the vertex portion of the triangle is small but the width of the bottom surface is wide.

When the cross-sectional shape of the tube 120 is circular, preferably, the outer diameter of the tube 120 may be 0.6 mm to 2 mm and the inner diameter of the tube 120, that is, the diameter of the through hole 121 may be 0.3 mm to 1.5. Mm, but is not limited thereto.

In addition, the cross-sectional shape of the through hole 121 formed in the tube 120 may also have various shapes such as triangle or quadrangle, as shown in FIGS.

The cross-sectional shape of the tube 120 and the cross-sectional shape of the through hole 121 may be combined to manufacture the electrically conductive gasket 100 having various cross-sectional shapes.

For example, when the cross-sectional shape of the through hole 121 is triangular and the cross-sectional shape of the shape holding member 121 is circular, there is an advantage that it is easy to maintain the shape holding member 110 at a predetermined portion of the through hole 121. When the dimension is small, it is difficult to provide the cross-sectional shape of the through hole 121 in a triangle.

Meanwhile, two through holes 121 may be formed side by side in the tube 120 as shown in FIG. 2F, and may be formed in a larger number.

Referring to FIG. 2 (c), a groove 122 extending in the longitudinal direction may be formed on the outer surface of the tube 120, and the groove 122 may widen the contact area with the object, and Can reduce the power.

Referring to FIG. 1A, the cross-sectional area of the through hole 121 is larger than that of the shape maintaining member 110.

The self restoring force due to the elasticity of the tube 120 is determined by the cross-sectional area and shape of the through-hole 121 of the tube 120 when the materials are the same, and the cross-sectional area of the shape-retaining member 110 is determined by the through-hole 121. As a result, the cross-sectional area of the shape maintaining member 110 is determined in relation to the self-resilience of the tube 120.

The pressing range of the electroconductive gasket 100 may be determined by the cross-sectional area and the shape of the through hole 121 of the tube 120. The less the pressing force and the more the pressing force is due to the characteristics of the electroconductive gasket 100 having a relatively large surface area. good.

In this way, the larger the cross-sectional area of the through hole 121 is formed than the cross-sectional area of the shape-retaining member 110, the less the pressing force can be pressed. However, the cross-sectional area of the through hole 121 should be determined within the limit of maintaining the shape maintaining function of the shape maintaining member 110.

Electroconductive Elastic Rubber Coating Layer (130)

The outer surface of the tube 120 is formed by adhering an electrically conductive elastic rubber coating layer 130, the liquid elastic rubber corresponding to the coating layer 130 is formed on the outer surface of the tube 120 and cured. It is formed to adhere to the outer surface of the tube (120).

The coating layer 130 is preferably formed to have a uniform thickness on the entire outer surface of the tube (120).

The coating layer 130 may be made of a polymer material, and may be, for example, an electrically conductive silicone rubber layer formed by curing a liquid silicone rubber in which a metal powder is evenly mixed, and has a magnetic resilience due to elasticity of the electrically conductive gasket 100. The thickness of the coating layer 130 is thinner than the thickness of the flesh of the tube 120 so that the manufacturing cost is good.

In addition, the polymer material of the coating layer 130 may be the same as the material of the tube 120, but is not limited thereto.

The coating layer may have a thickness of 0.01 mm to 0.2 mm, and the electrical conductivity of the coating layer 130 may be 10 ohm or less. The smaller the electrical resistance, the better the electromagnetic shielding effect.

Shape maintaining member 110

The shape maintaining member 110 is configured to generate and maintain a shape of the electrically conductive gasket 100, and a material such as a metal wire that does not easily extend in the longitudinal direction may be applied.

The shape maintaining member 110 should have a mechanical property capable of maintaining the bent shape after the conductive gasket 100 is bent by physical bending. The tube 120 having a self-resilience force by elasticity and a coating layer Even when the 130 and the adhesive 112 are bent together at the same time, they should have a mechanical property that can maintain the shape by bending.

In other words, the shape maintaining member 110 may maintain the bent shape after the electrically conductive gasket 100 composed of the tube 120, the coating layer 130, and optionally the elastic rubber adhesive 112 is physically bent. Mechanical strength.

Here, the physical bending means that the conductive gasket 100 is bent by an artificial external force such as a machine or a jig, and accordingly, the conductive gasket 100 maintains the bent shape after bending. It should be interpreted broadly accordingly.

Here, the bending may be bent at various angles, such as 90 degree bending, 45 degree, 160 degree and round bending of the "b" shape, and includes a general two-dimensional bending, and if necessary also includes a three-dimensional bending.

The shape maintaining member 110 may be a copper alloy or an iron alloy having a high strength to maintain a shape while having a small thickness.

When the shape maintaining member 110 is a circular metal wire, the diameter may be 0.03 mm to 0.4 mm.

Here, the metal wire may be single core, but is not limited thereto, and may be a core wire in which a plurality of single core wires having a small diameter are twisted.

Preferably, the shape maintaining member 110 may be a plurality.

In this embodiment, the cross-sectional shape of the shape holding member 110 is circular, but the cross-sectional shape of the shape holding member 110 may be changed according to the shape of the through hole 121.

In addition, in this embodiment, one shape holding member 110 is inserted into the through hole 121 as an example, but not limited thereto, a plurality of shape holding members 110 may be inserted.

In addition, in the case of two through holes 121, the shape holding member 110 may be inserted into one through hole and the shape holding member may not be included in the other through hole.

In this case, the shape retaining member 110 can maintain a shape corresponding to the shape of the object to be opposed by the inserted through hole, which is strongly pressed by the through hole without the shape retaining member 110 and has good restoring force due to excellent elasticity. Can be provided.

The shape maintaining member 110 is inserted into the through hole 121 of the tube 120, and extends in the longitudinal direction of the tube 120 to have the same or similar length as the tube 120. In FIG. 1, the shape maintaining member 110 is intentionally protruded for convenience of description.

The shape retaining member 110 may be located at a predetermined portion of the cross section of the through hole 121. As shown in FIG. 1 (a), the shape retaining member 110 may be formed of an elastic adhesive (B) on an inner wall of the through hole 121. 112).

The adhesive 112 may be a silicone rubber adhesive having elasticity and flexibility, and may be applied over the entire longitudinal direction of the through hole 121 or only near the inlet of both ends.

If the coating is applied over the entire length, it is easy to manufacture, but there is a disadvantage in that the size of the through-hole 121 is small as a whole, and in the case of coating only in the vicinity of both ends of the inlet, there is a disadvantage that automation is difficult, so appropriate selection is necessary.

According to this structure, since the shape holding member 110 is adhesively fixed to the inner wall of the tube 120 by the adhesive agent 112, it is possible to reliably prevent the tube 120 itself from easily extending in the longitudinal direction.

In addition, since the adhesive 112 has flexibility and elasticity, even when the electrically conductive gasket 100 is bent in various shapes, it is possible to reliably provide adhesion while maintaining the bent shape.

In addition, the adhesive 112 serves to prevent the shape retaining member 110 located in the through hole 121 from falling out of the through hole 121, and the shape retaining member 110 is positioned at a predetermined portion of the through hole 110. Do it.

As described above, the cross-sectional area of the shape-retaining member 110 is smaller than the cross-sectional area of the through hole 121, so that when the shape-retaining member 110 is formed in one direction, the gap t is formed between the inner wall and the shape-retaining member 110. Is formed.

When the tube 120 is pressed in the vertical direction, the pressing range of the tube 120, the pressing force and the self-restoring force are determined by the gap t. Therefore, it may be preferable that the gap t is large within the range maintaining the bent shape. .

Therefore, the cross-sectional area and cross-sectional shape of the shape-retaining member 110 and the cross-sectional area and cross-section of the through hole 121 are within the range possible in order to allow a wide range to be pressed, to reduce the pressing force, and to improve the self-resilience. Adjust the shape to increase the gap t.

That is, the electrically conductive gasket according to an embodiment of the present invention provided between opposing appliances of a relatively large area is pressed so that the opposing object is in good contact with the opposing mechanism even when the mechanical tolerance is large or mechanically distorted. This is because a wide range and a low overall hardness are required to be able to be pressed well even by a small force.

However, when the cross-sectional area of the shape holding member 110 is reduced in order to increase the gap t, the shape holding force of the shape holding member 110 relative to the self restoring force of the tube 120 is reduced, so that the desired conductive conductive gasket 100 is bent. There is a disadvantage that it is difficult to maintain the shape.

On the contrary, when the cross-sectional area of the shape-retaining member 110 is similar to the cross-sectional area of the through hole 121 of the tube 120, when the gap t is small or absent, it is easy to maintain the bent shape, but the maximum pressing range is reduced and pressed. The disadvantage is that it takes a lot of power.

In this way, the cross-sectional area and the cross-sectional shape of the shape-retaining member 110 and the cross-sectional area and the cross-sectional shape of the through-hole 121 of the tube 120 are appropriately selected to maximize the range of pressing as much as possible, and to reduce the pressing force and Resilience can be improved.

In other words, the electroconductive gasket 100 has a shape corresponding to the shape of the object to be opposed so as to be designed to have a large overall dimension, a wide range of pressing, and a low pressing force.

3 shows an example in which the electrically conductive gasket 100 of the present invention is actually applied.

For example, various shapes of ribs 12, 14, and 16 may protrude from the bottom of the case 10.

Various electronic components may be mounted in an area enclosed or partitioned by the ribs 12, 14, and 16, and the upper ends of the ribs 12, 14, and 16 for electrical contact with opposing objects, for example, a printed circuit board. The electroconductive gasket 100 of the present invention bent by a physical force is installed in the.

The gasket 100 is bent in two or three dimensions by a wire forming machine or the like in a shape corresponding to the ribs 12, 14, and 16.

The gasket 100 is hardly extended in the longitudinal direction by the shape maintaining member 110, and is easy to bend and maintain a constant shape after bending.

As described above, the gasket 100 is bent to a specific shape by the shape holding force of the shape maintaining member 110 inserted into the through hole 121 of the tube 120 and then maintained in the bent state.

For example, when the rib 12 has a rectangular shape, the gasket 100 is bent by bending in a shape corresponding thereto, and in this state, the gasket 100 is bonded to the upper end of the rib 12 through an adhesive or the like.

In addition, if necessary, the gasket 100 may be fixed to the opposite object by a physical fitting method, for example, the gasket 100 may be fixed to the gap 15 between the ribs 14 and 16 in FIG. 3. have.

As such, the gasket 100 has a shape corresponding to the object to be opposed and has an advantage that it is easy to mount to the object to be opposed because it hardly extends in the longitudinal direction.

Moreover, the range which is pressed overall by the clearance t by the difference of the cross-sectional area of the shape holding member 110 and the through-hole 121 is low, and press force is low.

4 is a cross-sectional view illustrating an electrically conductive gasket 200 according to another embodiment of the present invention.

The electrically conductive gasket 200 includes an elastic rubber tube 220 having a through hole 221 formed therein in the longitudinal direction therein, a shape retaining member 210 embedded in the flesh 222 of the tube 220, and a tube 220. It consists of an electrically conductive elastic rubber coating layer 230 bonded to the outer surface of the.

Here, the flesh 222 of the tube 220 refers to a portion corresponding to the thickness of the wall of the elastic rubber constituting the tube structure.

The shape-retaining member 210 may be inserted when the tube 220 is extruded and embedded in the flesh 222 of the tube 220, which may be completely embedded in the flesh 222 of the tube 220 or part of the tube 220. May be exposed outside the flesh 222.

The shape maintaining member 210 is physically fixed to the tube 220 by the flesh 222 of the tube 220.

According to this embodiment, the shape holding member 210 is embedded in the flesh 222 of the tube 220, as in the above-described embodiment, the shape holding member 110 is inserted into the through hole 121 Compared to the range that the electroconductive gasket 200 is pressed can be wide and the pressing force can be small. In addition, as in the above embodiment, it is not necessary to provide the elastic rubber adhesive 112 for adhering the shape-retaining member 110, there is an advantage that the manufacturing is easy and the manufacturing cost is low. In addition, the shape holding member 210 can be easily embedded in the flesh 222 of the tube 220 by the extrusion process.

However, when the dimensions of the electrically conductive gasket 200 are small, it is difficult to manufacture such a structure.

5 is a cross-sectional view illustrating an electrically conductive gasket 300 according to another embodiment of the present invention.

The electrically conductive gasket 300 has a shape retaining member adhered to the elastic rubber tube 320 having the through hole 321 formed therein in the longitudinal direction, and to the portion of the outer surface of the tube 320 by the elastic rubber adhesive 312. 310 and an electrically conductive elastic rubber coating layer 330 interposed between the shape maintaining member 310 and the outer surface of the tube 320.

Here, the shape-retaining member 310 may be strongly adhered to the outer surface of the tube 320 by the adhesive 312, but when the coating layer 330 is thick and has good adhesion, the shape-retaining member 310 may be formed by the adhesion of the coating layer 330. The present invention may include this because 310 may be adhered to the outer surface of the tube 320.

In particular, when the shape-retaining member 310 is installed in the recessed portion 323 of the outer surface of the tube 320, the shape-retaining member 310 is adhered to the outer surface of the tube 320 by the coating layer 330 without the adhesive 312. It may be easy to prevent the shape maintaining member 310 from protruding to the outside.

Since the adhesive 312 does not need to be electrically conductive, the adhesive 312 is better than the mechanical strength of the coating layer 330 and has good adhesion. For example, the adhesive 312 is bonded by curing with an insulating silicone rubber adhesive.

The shape maintaining member 310 may be completely covered by the coating layer 330, but one portion may be exposed to the outside during the manufacturing process.

The shape maintaining member 310 is physically fixed to the tube 320 by the adhesive 312 and the coating layer 330, and the elastic adhesive 312 continuously forms the shape maintaining member 310 on the outer surface of the tube 320. Glue.

According to the configuration of this embodiment, the shape holding member 310 is bonded to a portion of the outer surface of the tube 320, the configuration holding member 110 is inserted into the through hole 121 as in the above embodiment Compared with the electroconductive gasket 300, the range of pressing is wide and the pressing force may be small.

In addition, when the shape-retaining member 310 is a metal wire having good electrical conductivity, the electrical conductivity of the conductive gasket 300 is improved.

In the above embodiment, a configuration in which the shape maintaining member is inserted into the through hole, embedded in the flesh of the tube, or adhered to the outer surface of the tube by applying a tube having a through hole therein has been described. However, the present invention is not limited thereto, and instead of the tube, the elastic rubber is directly extruded onto the shape-retaining member, such as a metal wire, and then an electrically conductive elastic rubber coating layer is formed to bury the shape-retaining member along the longitudinal direction of the elastic rubber. Can be configured.

In this case, since the metal wire is embedded in the elastic rubber by the extrusion process of the elastic rubber, it is difficult to form a through hole in the elastic rubber, and since there is no hole in the elastic rubber, the pressing range is limited and the pressing force is large. It can be applied when it is required that the range is small and that it is possible to be pressed by a lot of force.

Moreover, the hardness of the elastic rubber material can be lowered to slightly widen the pressing range and reduce the pressing force.

In this way, the shape retaining member is inserted into the through-hole of the elastic rubber tube, embedded in the elastic rubber flesh, or adhered to the outer surface of the elastic rubber tube so that the shape holding member can be easily transferred to the shape corresponding to the shape of the opposing object. The conductive gasket can be bent and can maintain the bent shape even after bending.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. Accordingly, the scope of the present invention should not be construed as being limited to the embodiments described above, but should be construed in accordance with the following claims.

100, 200, 300: conductive gasket
110, 210, 310: shape holding member
120, 220, 320: tube
121, 221, and 321: through holes
122, 222, 322: years old
130, 230, 330: electrically conductive elastic coating layer

Claims (20)

An electrically conductive gasket interposed between opposing objects and electrically connecting the objects,
An elastic rubber tube having at least one through hole formed therein in the longitudinal direction;
A shape retaining member inserted into the through hole; And
Consists of an electrically conductive elastic rubber coating layer bonded to the outer surface of the tube,
And the tube and the coating layer are bent by physical bending of the shape maintaining member. An electrically conductive gasket interposed between opposing objects and electrically connecting the objects,
An elastic rubber tube having at least one through hole formed therein in the longitudinal direction;
A shape retaining member embedded in the flesh of the tube; And
Consists of an electrically conductive elastic rubber coating layer bonded to the outer surface of the tube,
And the tube and the coating layer are bent by physical bending of the shape maintaining member. An electrically conductive gasket interposed between opposing objects and electrically connecting the objects,
An elastic rubber tube having at least one through hole formed therein in the longitudinal direction;
A shape maintaining member installed on an outer surface of the tube; And
Consists of an electrically conductive elastic rubber coating layer adhered to the shape-retaining member and the outer surface of the tube,
And the tube and the coating layer are bent by physical bending of the shape maintaining member. The method according to any one of claims 1, 2 or 3,
And the cross-sectional area of the shape retaining member is smaller than the cross-sectional area of the through hole. The method according to any one of claims 1, 2 or 3,
Electroconductive gasket characterized in that the outer surface of the tube is formed with a groove extending in the longitudinal direction. The method according to any one of claims 1, 2 or 3,
The shape-retaining member is an electrically conductive gasket, characterized in that the metal wire. The method of claim 6,
The metal wire is an electrically conductive gasket, characterized in that the copper alloy or iron alloy having good mechanical strength. The method according to claim 1,
And the shape retaining member is adhered to the inner wall by the elastic rubber adhesive in the through hole. The method according to any one of claims 1, 2 or 3,
The coating layer is an electrically conductive gasket, characterized in that the liquid conductive silicone rubber corresponding to the coating layer is formed by bonding to the outer surface of the tube by curing. The method according to any one of claims 1, 2 or 3,
And the thickness of the coating layer is thinner than the thickness of the flesh of the tube. The method according to any one of claims 1, 2 or 3,
And the cross-sectional area of the shape holding member is determined in a range in which the shape holding force of the shape holding member is equal to or larger than the self restoring force of the tube. The method according to any one of claims 1, 2 or 3,
And said bending comprises two-dimensional or three-dimensional bending. The method according to claim 3,
And the tube and the shape retaining member are adhered to each other by an elastic rubber adhesive interposed therebetween. The method according to claim 3,
And the shape retaining member is covered by the coating layer. An electrically conductive gasket interposed between opposing objects and electrically connecting the objects,
Elastic rubber;
A shape retaining member embedded in the elastic rubber in a longitudinal direction; And
Consists of an electrically conductive elastic rubber coating layer bonded to the elastic rubber outer surface,
And electrically bending the elastic rubber and the coating layer by physical bending of the shape maintaining member. An electrically conductive gasket interposed between opposing objects to electrically connect the objects, and bent to a predetermined shape,
The electrically conductive gasket,
An elastic rubber tube having at least one through hole formed therein in the longitudinal direction;
A shape retaining member inserted into the through hole; And
Consists of an electrically conductive elastic rubber coating layer bonded to the outer surface of the tube,
The bending is performed by physical bending of the shape holding member. An electrically conductive gasket interposed between opposing objects to electrically connect the objects, and bent to a predetermined shape,
The electrically conductive gasket,
An elastic rubber tube having at least one through hole formed therein in the longitudinal direction;
A shape retaining member embedded in the flesh of the tube; And
Consists of the electroconductive elastic rubber coating layer bonded to the outer surface of the tube,
The bending is performed by physical bending of the shape holding member. An electrically conductive gasket interposed between opposing objects to electrically connect the objects, and bent to a predetermined shape,
The electrically conductive gasket,
An elastic rubber tube having at least one through hole formed therein in the longitudinal direction;
A shape maintaining member adhered to an outer surface of the tube; And
Consists of an electrically conductive elastic rubber coating layer adhered to the shape-retaining member and the outer surface of the tube,
The bending is performed by physical bending of the shape holding member. 19. The method of claim 18,
And the tube and the shape retaining member are adhered to each other by an elastic rubber adhesive interposed therebetween. 19. The method of claim 18,
And the shape retaining member is covered by the coating layer.

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