US3842487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Terminating of electrical conductors
Assignee: Lear Corp EEDS and Interiors
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Filing: 1971-10-18
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Granted: 1974-10-22
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Expires: 1991-10-18
Abstract
Abstract Terminating an electrical conductor composed of a plurality of conductive strands is accomplished by fusing together the strands at one end of the conductor and immersing the fused end of the conductor in a tinning bath vibrated at ultrasonic speeds, followed by the securing of a terminal to the tinned end of the conductor end preferably under a force sufficient to cause the tinning material to flow and create a metallurgical bond between the conductor and the terminal.
Inventors
- 👤 M Hartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:10
CPC Classifications
H; H01; H01R; H01R11/00; H01R11/11; H01R11/28; H01R11/281; H01R11/288; H01R4/00; H01R4/10; H01R4/18; H01R4/187; H01R4/58; H01R4/62
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
136 words
A method of terminating an electrical conductor formed of a bundle of strands of conductive metal twisted so that all of said strands are engaged with one another over the length of said conductor, said method comprising fusing the ends of the strands to form a solid tip at least at one end of said conductor; immersing said one end of said conductor in a bath of molten, electrically conductive metal having a temperature lower than the melting temperature of the metal of said strands; vibrating said one end of said conductor at a frequency sufficient to abrade oxides from the immersed end of said conductor and to coat the immersed end of said conductor with said molten metal; removing the coated end of said conductor from said bath; and solidifying the metal of the coating.
Claim 2
Independent Claim
136 words
A method of terminating an electrical conductor formed of a bundle of strands of conductive metal twisted so that all of said strands are engaged with one another over the length of said conductor, said method comprising fusing the ends of the strands to form a solid tip at least at one end of said conductor; immersing said one end of said conductor in a bath of molten, electrically conductive metal having a temperature lower than the melting temperature of the metal of said strands; vibrating said one end of said conductor at a frequency sufficient to abrade oxides from the immersed end of said conductor and to coat the immersed end of said conductor with said molten metal; removing the coated end of said conductor from said bath; and solidifying the metal of the coating.
Claim 3
Dependent Claim
19 words
The method set forth in claim 1 wherein said one end of said conductor is vibrated at ultrasonic frequency.
Claim 4
Dependent Claim
18 words
The method set forth in claim 1 including securing a terminal to said coated end of said conductor.
Claim 5
Dependent Claim
43 words
The method set forth in claim 3 wherein said terminal is secured to said coated end of said conductor under such force as to cause the metal of said coating to flow and form a metallurgical bond with said conductor and said terminal.
Claim 6
Dependent Claim
14 words
The method set forth in claim 1 wherein conductive metal is a zinc-tin alloy.
Claim 7
Dependent Claim
12 words
The method set forth in claim 1 wherein conductive metal is solder.
Claim 8
Dependent Claim
19 words
The method set forth in claim 1 including die casting a terminal onto said one end of said conductor.
Claim 9
Dependent Claim
17 words
The method set forth in claim 1 wherein the strands of said conductor are formed of aluminum.
Claim 10
Independent Claim
154 words
A method of terminating an electrical conductor formed of a bundle of strands of conductive metal twisted so that all of said strands are engaged one with another over the length of said conductor, said method comprising melting and puddling the ends of all of said strands at least at one end of said conductor; solidifying the ends of said strands to form a solid tip at said one end of said conductor; immersing said one end of said conductor in a bath of molten, electrically conductive metal having a temperature lower than the melting temperature of the metal of said strands; vibrating said one end of said conductor at an ultrasonic frequency sufficient to abrade oxides from the immersed end of said conductor and to coat the immersed end of said conductor with said molten metal; removing the coated end of said conductor from said bath; and solidifying the metal of the coating.
Claim 11
Independent Claim
154 words
A method of terminating an electrical conductor formed of a bundle of strands of conductive metal twisted so that all of said strands are engaged one with another over the length of said conductor, said method comprising melting and puddling the ends of all of said strands at least at one end of said conductor; solidifying the ends of said strands to form a solid tip at said one end of said conductor; immersing said one end of said conductor in a bath of molten, electrically conductive metal having a temperature lower than the melting temperature of the metal of said strands; vibrating said one end of said conductor at an ultrasonic frequency sufficient to abrade oxides from the immersed end of said conductor and to coat the immersed end of said conductor with said molten metal; removing the coated end of said conductor from said bath; and solidifying the metal of the coating.
Claim 12
Dependent Claim
22 words
The method set forth in claim 9 including metallurgically bonding via said coating a temrinal to said one end of said conductor.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-21 | 1978-04-22 | 1978-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-21 | 1982-04-22 | 1982-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-21 | 1986-04-22 | 1986-10-22 | $7700.00 | Window Closed / Lapsed |