Connector insulating boot for different sized conductors and associated methods
View Patent ↗An electrical connector may include a conductive body having a conductor receiving passageway therein to receive the conductor of a cable end. The conductive body may also have a fastener receiving passageway intersecting the conductor receiving passageway, and a fastener may be positioned in the fastener receiving passageway for securing the conductor. The connector may also include an insulating boot associated with the conductor receiving passageway. The insulating boot may include an insulating tube, and at least one rupturable seal closing the insulating tube and rupturing upon initial insertion of the cable end therethrough. The rupturable seal may also be compliant to accommodate different sized cable ends and form a seal with adjacent portions of the cable end. A pair of seals may be provided with an optional sealant material therebetween.
1. An electrical connector for at least one electrical cable end comprising a conductor, the electrical connector comprising:
a conductive body having at least one conductor receiving passageway therein to receive the conductor of the at least one electrical cable end; and
at least one insulating structure associated with said at least one conductor receiving passageway and comprising
an insulating tube having a proximal portion adjacent said conductive body and a distal portion spaced from the proximal portion,
a first penetrable wall at a fixed position within the distal portion of said insulating tube,
a second penetrable wall at a fixed position within the proximal portion of said insulating tube,
said first and second penetrable walls each being configured to accommodate different sized cable ends therethrough,
said first and second penetrable walls defining a sealant material-receiving chamber therebetween, and
a sealant material within the sealant-receiving chamber defined between said first and second penetrable walls;
at least one of said first and second penetrable walls being integrally molded with adjacent portions of said insulating tube.
2. An electrical connector according to claim 1 wherein said conductive body also has at least one fastener receiving passageway intersecting the at least one conductor receiving passageway; and further comprising at least one fastener positioned in the at least one fastener receiving passageway for securing the conductor within the at least one conductor receiving passageway.
3. An electrical connector according to claim 1 wherein said first and second penetrable walls are each compliant to accommodate different sized cable ends.
4. An electrical connector according to claim 1 wherein said first and second penetrable walls are each compliant to accommodate different sized cable ends and form a respective seal with adjacent portions of the cable end.
5. An electrical connector according to claim 1 wherein at least one of said first and second penetrable walls has a plurality of radially oriented lines of weakness therein.
6. An electrical connector according to claim 1 wherein at least one of said first and second penetrable walls has a plurality of successive concentric rings of weakness therein.
7. An electrical connector according to claim 1 wherein at least one of said first and second penetrable walls is puncturable and has a percentage elongation to yield of not less than about 300 percent.
8. An electrical connector according to claim 1 wherein at least one of said first and second penetrable walls is more compliant that said insulating tube.
9. An electrical connector according to claim 1 wherein said at least one insulating structure comprises a thermoplastic elastomer.
10. An electrical connector according to claim 1 wherein said at least one insulating structure further comprises a tubular sidewall within said insulating tube and carrying said second penetrable wall.
11. An electrical connector according to claim 1 wherein at least one of said first and second penetrable walls has an initial opening therein prior to penetration of the cable end therethrough.
12. An electrical connector according to claim 1 wherein said sealant material only partially fills the sealant-receiving chamber.
13. An electrical connector for at least one electrical cable end comprising a conductor, the electrical connector comprising:
a conductive body having at least one conductor receiving passageway therein to receive the conductor of the at least one cable end; and
at least one insulating structure associated with said at least one conductor receiving passageway and comprising
an insulating tube having a proximal portion adjacent said conductive body and a distal portion spaced from the proximal portion,
a first penetrable wall at a fixed position within the distal portion of said insulating tube,
a tubular sidewall at a fixed position within the proximal portion of said insulating tube,
said insulating tube comprising an interior ledge abutting said tubular sidewall,
a second penetrable wall carried by said tubular sidewall and formed as an integrally molded unit therewith,
said first and second penetrable walls defining a sealant material-receiving chamber therebetween, and
a sealant material within the sealant-receiving chamber defined between said first and second penetrable walls of said insulating tube.
14. An electrical connector according to claim 13 wherein said first and second penetrable walls are each compliant to accommodate different sized cable ends.
15. An electrical connector according to claim 13 wherein at least one of said first and second penetrable walls has a plurality of radially oriented lines of weakness therein.
16. An electrical connector according to claim 13 wherein at least one of said first and second penetrable walls is puncturable and has a percentage elongation to yield of not less than about 300 percent.
17. An electrical connector according to claim 13 wherein at least one of said first and second penetrable walls is more compliant that said insulating tube.
18. An electrical connector according to claim 13 wherein said at least one insulating structure comprises a thermoplastic elastomer.
19. An electrical connector according to claim 13 wherein said first penetrable wall is integrally molded with adjacent portions of said insulating tube.
20. An electrical connector according to claim 13 wherein at least one of said first and second penetrable walls has an initial opening therein prior to penetration of the cable end therethrough.
21. A method for making an electrical connector for at least one electrical cable end comprising a conductor, the method comprising:
providing a conductive body having at least one conductor receiving passageway therein to receive the conductor of the at least one electrical cable end; and
associating at least one insulating structure with the at least one conductor receiving passageway and comprising
an insulating tube having a proximal portion adjacent the conductive body and a distal portion spaced from the proximal portion,
a first penetrable wall at a fixed position within the distal portion of the insulating tube,
a second penetrable wall at a fixed position within the proximal portion of the insulating tube,
the first and second penetrable walls each being configured to accommodate different sized cable ends therethrough,
the first and second penetrable walls defining a sealant material-receiving chamber therebetween, and
a sealant material within the sealant-receiving chamber defined between the first and second penetrable walls,
at least one of the first and second penetrable walls being integrally molded with adjacent portions of the insulating tube.
22. A method according to claim 21 wherein the first and second penetrable walls are each compliant to accommodate different sized cable ends.
23. A method according to claim 21 wherein the first and second penetrable walls are each compliant to accommodate different sized cable ends and form a respective seal with adjacent portions of the cable end.
24. A method according to claim 21 wherein at least one of the first and second penetrable walls has a plurality of radially oriented lines of weakness therein.
25. A method according to claim 21 wherein at least one of the first and second penetrable walls is puncturable and has a percentage elongation to yield of not less than about 300 percent.
26. A method according to claim 21 wherein at least one of the first and second penetrable walls is more compliant that the insulating tube.
27. A method according to claim 21 wherein the at least one insulating structure comprises a thermoplastic elastomer.
28. A method according to claim 21 wherein the at least one insulating structure further comprises a tubular sidewall within the insulating tube and carrying the second penetrable wall.
29. A method according to claim 21 wherein at least one of the first and second penetrable walls has an initial opening therein prior to penetration of the cable end therethrough.
30. A method for making an electrical connector for at least one electrical cable end comprising a conductor, the method comprising:
providing a conductive body having at least one conductor receiving passageway therein to receive the conductor of the at least one cable end; and
associating at least one insulating structure associated with the at least one conductor receiving passageway and comprising
an insulating tube having a proximal portion adjacent the conductive body and a distal portion spaced from the proximal portion,
a first penetrable wall at a fixed position within the distal portion of the insulating tube,
a tubular sidewall at a fixed position within the proximal portion of the insulating tube,
the insulating tube comprising an interior ledge abutting the tubular sidewall,
a second penetrable wall carried by the tubular sidewall and formed as an integrally molded unit therewith,
the first and second penetrable walls defining a sealant material-receiving chamber therebetween, and
a sealant material within the sealant-receiving chamber defined between the first and second penetrable walls of the insulating tube.
31. A method according to claim 30 wherein the first and second penetrable walls are each compliant to accommodate different sized cable ends.
32. A method according to claim 30 wherein the first and second penetrable walls are each compliant to accommodate different sized cable ends and form a respective seal with adjacent portions of the cable end.
33. A method according to claim 30 wherein at least one of the first and second penetrable walls has a plurality of radially oriented lines of weakness therein.
34. A method according to claim 30 wherein at least one of the first and second penetrable walls is puncturable and has a percentage elongation to yield of not less than about 300 percent.
35. A method according to claim 30 wherein at least one of the first and second penetrable walls is more compliant that the insulating tube.
36. A method according to claim 30 wherein the at least one insulating structure comprises a thermoplastic elastomer.
37. A method according to claim 30 wherein the first penetrable wall is integrally molded with adjacent portions of the insulating tube.
38. A method according to claim 30 wherein at least one of the first and second penetrable walls has an initial opening therein prior to penetration of the cable end therethrough.