CRIMPED TERMINAL WIRE FOR AUTOMOBILE

• US 20130292173A1
• Filed: 02/21/2012
• Published: 11/07/2013
• Est. Priority Date: 02/21/2011
• Status: Abandoned Application

• Current Assignee: Autonetworks Technologies, Ltd. (Sumitomo Corporation), Sumitomo Electric Industries Limited (Sumitomo Corporation), Sumitomo Wiring Systems Limited (Sumitomo Corporation)
• Original Assignee: Autonetworks Technologies, Ltd. (Sumitomo Corporation), Sumitomo Electric Industries Limited (Sumitomo Corporation), Sumitomo Wiring Systems Limited (Sumitomo Corporation)
• Inventors: Inoue, Masato, Hosokawa, Takehiro, Otsuka, Yasuyuki, Imasato, Fumitoshi, Nakamura, Tetsuya, Tanaka, Shigeyuki, Takata, Yutaka, Yamano, Yoshiaki, Sakura, Kazunari, Nishimura, Naoya, Ito, Takaaki, Inoue, Akiko, Sudou, Hiroshi, Sakamoto, Yukiyasu, Yamaguchi, Hiroshi, Yasuda, Hisahiro, Hashimoto, Daisuke, Sato, Yukou
• Application Number:
  US13/978,653
• Publication Number:
  US 20130292173A1
• Time in Patent Office: Days
• US Class Current: 174/74.R
• CPC Class Codes: H01R 4/185 combined with a U-shaped insulation-receiving portion
• CPC Class Codes: H01R 4/62 Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors H01R4/68 takes precedence
• CPC Class Codes: H01R 4/70 Insulation of connections end caps H01R4/22
• CPC Class Codes: H02G 15/02 Cable terminations for gas- or oil-filled cables H02G15/22

Abstract

To provide a crimped terminal wire for automobile having a stable anticorrosion property in automobile environment. The wire includes an aluminum electric wire including an aluminum conductor wire coated with insulation, a copper connecting terminal onto an end of the aluminum electric wire, the terminal including a crimped member and an electrical contact portion, a crimped portion, and a resin-coated portion on the crimped portion, wherein an entire periphery of the crimped portion is coated with the resin-coated portion, and wherein the resin-coated portion is made from a material mainly made from a thermoplastic polyamide resin and having a tensile lap-shear strength of lapped aluminums of 6 N/mm² or more in accordance with the JIS K6850, an elongation of 100% or more in accordance with the ASTM D-1708, and a water absorption of 1.0% or less in accordance with the HS K7209.

Claims

1-13. -13. (canceled)

14. A crimped terminal wire for automobile, the wire comprising:

an aluminum electric wire comprising;

an aluminum conductor wire; and

an insulation, with which the aluminum conductor wire is coated;

a connecting terminal comprising a copper-based material and crimped onto an end of the aluminum electric wire, the connecting terminal comprising;

a crimped member that is crimped onto the aluminum electric wire; and

an electrical contact portion, with which the connecting terminal is connected to another terminal;

a crimped portion where the connecting terminal is crimped onto the aluminum electric wire; and

a resin-coated portion that comprises a resin, and is provided on the crimped portion,

wherein the resin-coated portion is provided on the crimped portion while an entire periphery of the crimped portion is coated with the resin-coated portion, and

wherein the resin-coated portion comprises a material that mainly comprises a thermoplastic polyamide resin, and has a tensile lap-shear strength of lapped aluminums equal to or more than 6 N/mm² that is measured in accordance with the JIS K6850, an elongation equal to or more than 100% that is measured in accordance with the ASTM D-1708, and a water absorption equal to or less than 1.0% that is measured in accordance with the JIS K7209.

15. The crimped terminal wire according to claim 14, wherein the thermoplastic polyamide resin comprises

at least one of a dimer acid and a dicarboxylic acid, and a diamine.

16. The crimped terminal wire according to claim 14,

wherein a portion of the resin-coated portion between a top end of the aluminum conductor wire and a top end of the resin-coated portion has a length equal to or more than 0.3 mm.

17. The crimped terminal wire according to claim 15,

wherein a portion of the resin-coated portion between a top end of the aluminum conductor wire and a top end of the resin-coated portion has a length equal to or more than 0.3 mm.

18. The crimped terminal wire according to claim 14,

wherein a portion of the resin-coated portion between a top end of the aluminum conductor wire and a top end of the resin-coated portion has a length equal to or more than 1.0 mm.

19. The crimped terminal wire according to claim 14,

wherein a portion of the resin-coated portion, with which the aluminum conductor wire is coated, has a thickness equal to or more than 0.01 mm.

20. The crimped terminal wire according to claim 17,

wherein a portion of the resin-coated portion, with which the aluminum conductor wire is coated, has a thickness equal to or more than 0.01 mm.

21. The crimped terminal wire according to claim 14,

wherein a portion of the resin-coated portion, with which the aluminum conductor wire is coated, has a thickness equal to or more than 0.1 mm.

22. The crimped terminal wire according to claim 14,

wherein a portion of the resin-coated portion, with which a cutting face of the connecting terminal is coated, has a thickness equal to or more than 0.01 mm.

23. The crimped terminal wire according to claim 20,

wherein a portion of the resin-coated portion, with which a cutting face of the connecting terminal is coated, has a thickness equal to or more than 0.01 mm.

24. The crimped terminal wire according to claim 14,

wherein a portion of the resin-coated portion, with which a cutting face of the connecting terminal is coated, has a thickness equal to or more than 0.1 mm.

25. The crimped terminal wire according to claim 14,

wherein the resin-coated portion comprises a tapered portion at its posterior end portion that has a shape tapering off to the side of the aluminum electric wire.

26. The crimped terminal wire according to claim 23,

wherein the resin-coated portion comprises a tapered portion at its posterior end portion that has a shape tapering off to the side of the aluminum electric wire.

27. The crimped terminal wire according to claim 25,

wherein the tapered portion of the resin-coated portion has a rising angle equal to or less than 45 degrees.

28. The crimped terminal wire according to claim 26,

wherein the tapered portion of the resin-coated portion has a rising angle equal to or less than 45 degrees.

29. The crimped terminal wire according to claim 25,

wherein the tapered portion of the resin-coated portion has a rising angle equal to or less than 30 degrees.

30. The crimped terminal wire according to claim 25,

wherein the tapered portion of the resin-coated portion has a length equal to or more than 1 mm.

31. The crimped terminal wire according to claim 28,

wherein the tapered portion of the resin-coated portion has a length equal to or more than 1 mm.

32. The crimped terminal wire according to claim 25,

wherein the tapered portion of the resin-coated portion has a length equal to or more than 2 mm.