Connector having a conductively coated member and method of use thereof

• US 9,312,611 B2
• Filed: 04/17/2012
• Issued: 04/12/2016
• Est. Priority Date: 11/24/2004
• Status: Active Grant

• Current Assignee: PPC Broadband Incorporated (Belden Inc.)
• Original Assignee: PPC Broadband Incorporated (Belden Inc.)
• Inventors: Krenceski, Mary, Mathews, Roger, Montena, Noah
• Primary Examiner(s): LEON MUNOZ, EDWIN A
• Application Number:
  US13/448,937
• Publication Number:
  US 20120202378A1
• Time in Patent Office: 1,456 Days
• Field of Search: 439578-585, 439/63, 439/733.1, 439/944, 439/271, 439 98- 99
• US Class Current: 1/1
• CPC Class Codes: H01R 13/5202 Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
• CPC Class Codes: H01R 13/5219 Sealing means between coupling parts, e.g. interfacial seal
• CPC Class Codes: H01R 13/622 Screw-ring or screw-casing H01R13/623 takes precedence
• CPC Class Codes: H01R 13/658 High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse] coaxial coupling devices specially adapted for high frequency H01R24/40; for flat or ribbon cable connectors H01R12/774; for coaxial cable H01R9/05
• CPC Class Codes: H01R 13/6584 formed by conductive elastomeric members, e.g. flat gaskets or O-rings
• CPC Class Codes: H01R 13/6596 the conductive member being a metal grounding panel
• CPC Class Codes: H01R 2103/00 Two poles
• CPC Class Codes: H01R 24/40 specially adapted for high frequency
• CPC Class Codes: H01R 9/0512 Connections to an additional grounding conductor
• CPC Class Codes: H01R 9/0521 Connection to outer conductor by action of a nut
• CPC Class Codes: H01R 9/0524 Connection to outer conductor by action of a clamping member, e.g. screw fastening means H01R9/0515 takes precedence
• CPC Class Codes: Y10T 29/49174 Assembling terminal to elongated conductor
• CPC Class Codes: Y10T 29/49204 Contact or terminal manufacturing

Abstract

A connector having a conductively coated member is provided, wherein the connector comprises a connector body capable of sealing and securing a coaxial cable, and further wherein the conductively coated member, such as an O-ring, physically seals the connector, electrically couples the connector and the coaxial cable, facilitates grounding through the connector, and renders an electromagnetic shield preventing ingress of unwanted environmental noise.

Claims

1. A conductive shielding member for a cable connector, comprising:

a conductively coated component, the conductively coated component configured to reside within the cable connector so as to facilitate grounding of the cable connector through the conductively coated component and to help shield against ingress of unwanted electromagnetic interference;

wherein the conductively coated component includes;

a non-conductive inner core; and

an outer conductive coating applied to the non-conductive inner core, the outer conductive coating being flexible so as to flex when a force is applied to conductive shielding member, wherein the outer conductive coating is configured to flex in conjunction with the non-conductive inner core, the flexibility of the outer conductive coating enabling the outer conductive coating to maintain conductivity during the flexing of the non-conductive inner core.

2. The conductive shielding member of claim 1, wherein the conductively coated component is an O-ring that is spraycoated with a conductive coating for conductively sealing and physically sealing the connector.

3. The conductive shielding member of claim 1, wherein the conductively coated component has a conductive coating, and the conductive shielding member is formed of an elastomeric material onto which the conductive coating is applied.

4. The conductive shielding member of claim 3, wherein the conductively coated component includes a highly conductive and highly flexible skin or conductive layer on an outer surface of the conductively coated component.

5. The conductive shielding member of claim 1, wherein the conductively coated component has a conductive coating, the conductive coating including a conductive ink.

6. The conductive shielding member of claim 5, wherein the conductive ink is a silver-based ink.

7. The conductive shielding member of claim 1, wherein the conductively coated component has a conductive coating, the conductive coating being applied to only a portion of an outer surface of the conductively coated component.

8. The conductive shielding member of claim 1, wherein (i) the conductive shielding member is configured to establish an environmental seal in the cable connector;

(ii) the non-conductive inner core is elastic and has a surface area; and

(iii) the outer conductive coating is metallic, the outer conductive coating being formulated to flex so as to remain bonded to all of the surface area during periodic flexing of the non-conductive inner core, wherein the flexibility of the outer conductive coating facilitates continuous, electrical grounding of the cable connector.

9. A method of conductively sealing a coaxial cable connector, the method comprising:

providing a cable connector having a conductive shielding member including a conductively coated component, the conductively coated component configured to reside within the cable connector so as to facilitate grounding of the cable connector through the conductively coated component and to help shield against ingress of unwanted electromagnetic interference;

fixedly attaching a coaxial cable to the coaxial cable connector; and

fastening the connector to an interface port in a manner extending an unbroken electrical circuit from the cable and through the conductively coated component to help effectuate a buffer preventing ingress of electromagnetic noise into the coaxial cable connector.

10. The method of claim 9, further including providing said cable connector a conductive nut member, wherein the conductively coated component electrically seals with the conductive nut member.

11. The method of claim 9, further including physically sealing the cable connector against ingress of environmental contaminants by the conductive shielding member.

12. The method of claim 9, wherein the conductively coated component is an elastomeric O-ring that is spraycoated with a conductive coating.

13. The method of claim 12, wherein the conductively coated component includes a highly conductive and highly flexible skin or conductive layer on an outer surface of the conductively coated component.

14. The method of claim 9, wherein the conductively coated component is partially coated with a conductive coating.

15. The method of claim 9, wherein the conductively coated component includes a non-conductive inner core, the method including applying an outer conductive coating to the non-conductive inner core, the outer conductive coating being flexible so as to flex when a force is applied to the conductively coated component, wherein the outer conductive coating is configured to flex in conjunction with the non-conductive inner core, the flexibility of the outer conductive coating enabling the outer conductive coating to maintain conductivity during the flexing of the non-conductive inner core.

16. The method of claim 15, wherein (i) the conductive shielding member is configured to establish an environmental seal in the cable connector;

(ii) the non-conductive inner core is elastic and has a surface area; and

(iii) the outer conductive coating is metallic, the outer conductive coating being formulated to flex so as to remain bonded to all of the surface area during periodic flexing of the non-conductive inner core, wherein the flexibility of the outer conductive coating facilitates continuous, electrical grounding of the cable connector.

17. A conductive seal for a cable connector, comprising:

a conductively coated elastomeric component, the conductively coated elastomeric component configured to reside within the cable connector so as to effectuate a buffer preventing ingress of unwanted electromagnetic noise into the cable connector;

wherein the conductively coated elastomeric component includes;

a non-conductive inner core; and

an outer conductive coating applied to the non-conductive inner core, the outer conductive coating being flexible so as to flex when a force is applied to the conductive seal, wherein the outer conductive coating is configured to flex in conjunction with the non-conductive inner core, the flexibility of the outer conductive coating enabling the outer conductive coating to maintain conductivity during the flexing of the non-conductive inner core.

18. The conductive seal of claim 17, wherein the conductive seal is configured to provide a physical barrier to ingress of environmental contaminants into the cable connector.

19. The conductive seal of claim 17, wherein the conductively coated elastomeric component is an O-ring that is spraycoated with an outer conductive coating so as to facilitate grounding of the cable connector through the conductively coated elastomeric component and to help shield against ingress of unwanted electromagnetic interference.

20. The conductive seal of claim 17, wherein the conductively coated elastomeric component has an outer conductive coating that is a highly conductive and highly flexible skin or conductive layer on an outer surface of the conductively coated elastomeric component.

21. The conductive seal of claim 17, wherein the conductively coated elastomeric component has an outer conductive coating, the outer conductive coating being a conductive ink.

22. The conductive seal of claim 21, wherein the conductive ink is silver-based ink.

23. The conductive seal of claim 22, wherein the outer conductive coating is applied to only a portion of an outer surface of the conductively coated elastomeric component.

24. The conductive seal of claim 17, wherein (i) the non-conductive inner core is elastic and has a surface area;

and (ii) the outer conductive coating is metallic, the outer conductive coating being formulated to flex so as to remain bonded to all of the surface area during periodic flexing of the non-conductive inner core, wherein the flexibility of the outer conductive coating facilitates continuous, electrical grounding of the cable connector.

25. A conductive ground member for a cable connector, comprising:

a conductively coated component configured to form a conductive ground path between a first component and a second component of a cable connector;

the conductively coated component including an inner core and an outer conductive coating having a first outer conductive coating portion configured to maintain a first conductive ground path portion between the first component and the first outer conductive coating portion and a second outer conductive coating portion configured to maintain a second conductive ground path portion between the second component and the second outer conductive coating portion; and

wherein the outer conductive coating is configured to flex when a force is applied to the conductively coated component so as to maintain conductivity of the electrical ground path between the first component and the second component of the cable connector when the outer conductive coating flexes and when the force is applied to the conductively coated component.

26. The conductive ground member of claim 25, wherein the inner core of the conductively coated component is made of a non-conductive material.

27. The conductive ground member of claim 25, wherein the inner core of the conductively coated component comprises a non-conductive material.

28. The conductive ground member of claim 25, wherein the first component comprises a coupler member and the second component comprises a body member.

29. The conductive ground member of claim 25, wherein the outer conductive component is configured to flex when the outer conductive component is compressed against the coupler member and the body member.

30. The conductive ground member of claim 25, wherein the outer conductive component is configured to change shape when the outer conductive component engages the body member.

31. The conductive ground member of claim 25, wherein the outer conductive component is configured to maintain an unbroken electrical ground circuit between the first component and the second component of the cable connector and through the outer conductive component.

32. The conductive ground member of claim 25, wherein the outer conductive component is configured to help form a buffer for preventing ingress of electromagnetic noise into the cable connector when the outer conductive coating flexes and when the force is applied to the conductively coated component.