US3326442A - Electrical conductor connectors with pre-placed solder - Google Patents
Electrical conductor connectors with pre-placed solder Download PDFInfo
- Publication number
- US3326442A US3326442A US453721A US45372165A US3326442A US 3326442 A US3326442 A US 3326442A US 453721 A US453721 A US 453721A US 45372165 A US45372165 A US 45372165A US 3326442 A US3326442 A US 3326442A
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- US
- United States
- Prior art keywords
- spring member
- wires
- container
- extremity
- extremities
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/70—Insulation of connections
- H01R4/72—Insulation of connections using a heat shrinking insulating sleeve
- H01R4/723—Making a soldered electrical connection simultaneously with the heat shrinking
Definitions
- ABSTRACT OF THE DISCLOSURE A plastic, elongated, cup-like container into the open end of which a plurality of wires are inserted into a U- shaped spring member containing solder so as to force the spring member forwardly through disruptable diaphragms to release exothermic reagents which intermix to generate sufiicient heat to melt said solder.
- This invention relates to means for connecting two or more electrical conductor wires electrically and mechanically together.
- the principal object of the invention is to provide a small, economical, and easily used connector device which can be slipped over the extremities of two or more wires and which will automatically, quickly and securely solder the wire extremities together without the necessity for applying outside heat, such as a flame, soldering iron or torch, to the connector device or the wires therein.
- a further object is to provide a connector device of the above type which will shrink to tightly contain all of the elements therein and which will electrically insulate the connected wire extremities against external electrical contacts.
- a still further object is to provide a self-locking, mechanical wire connecting device which will securely and safely maintain the wires in electrical contact should no solder be used.
- FIG. 1 is a side View, approximately natural size, illustrating a connection formed by the use of this invention
- FIG. 2 is an end view of the connection of FIG. 1;
- FIG. 3 is a greatly magnified longitudinal, medial, section through the connector device as it would appear when ready to receive the wire terminals to be connected;
- FIG. 4 is a similarly enlarged longitudinal section as it would appear after the wire terminals have been forced therein;
- FIG. 5 is a rear end view taken on the line 5-5, FIG. 3;
- FIG. 6 is an enlarged longitudinal section of the completed connection taken on the line 66, FIG. 1.
- the improved connector device employs a plastic casing 13, preferably of greater width than height so that the two conductor wires may be inserted side-by-side.
- the rear portion of the casing 13 is enlarged and provided, at the top and bottom, with internal ratchet notches 14.
- the forward extremity of the casing is closed, as indicated at 15, and the rear extremity is preferably cut on a diagonal, as indicated at 16, to facilitate the placement and insertion of the wires.
- the casing 13 is preferably formed of a shrinkable, thermally-stabilized, plastic, such as modified polyolefin, which when subjected to heat will shrink tightly about the extremities of the wires 10 and 11.
- a U-shaped metallic spring member 17 is positioned in the enlarged portion of the casing 13.
- the spring member is formed with a bight having a relatively sharp leading edge 18, which is directed toward the closed extremity 15, and with normally flared, rearwardly extending sides.
- the rear extremities of the sides are bent inwardly toward each other, to form inwardly extending wire-locking ridges 19, thence outwardly to form outwardly and rearwardly extending ratchet tips 20.
- the tips 20 flare outwardly from each other and resiliently ride over the ratchet notches 14 when the spring member is forced forwardly.
- Internal retaining ridges 21 are formed in the casing 13 to be engaged by the ratchet tips 20 to prevent accidental loss of the spring member 17.
- the solder cup 22 is lined with a layer of suitable soldering fiux 23, such as non-corrosive activated rosin.
- a second similar membrane 25 seals the casing forwardly of, and in spaced relation to, the membrane 24 to form a first reagent chamber 26.
- a third similar membrane 27 seals the casing forwardly of, and in spaced relation to, the second membrane 25 to form a second reagent chamber 28.
- the chambers 26 and 28 are for the retention of suitable exothermic-reacting chemicals or reagents which, when intermixed, will produce a temperature sufiicient to melt the solder cup 22.
- the chamber 26 may be filled with liquid or granulated polyester resin and the chamber 28 filled with benzoyl peroxide which upon mixing will produce a polymerisation reaction, or pulverized sodium metal or phosphorous pentachloride may be placed in chamber 26 and water in chamber 28 to produce, when intermixed, a heat of solution reaction.
- suitable exothermic-reacting chemicals or reagents which, when intermixed, will produce a temperature sufiicient to melt the solder cup 22.
- the chamber 26 may be filled with liquid or granulated polyester resin and the chamber 28 filled with benzoyl peroxide which upon mixing will produce a polymerisation reaction, or pulverized sodium metal or phosphorous pentachloride may be placed in chamber 26 and water in chamber 28 to produce, when intermixe
- the use of the connector device of this invention is extremely simple.
- the insulation is cleaned from the extremities of the wires and the latter are laid against the diagonal rear extremity of the casing and forced therein.
- the forward movement of the wires forces the solder cup and the spring member 17 forwardly with the ratchet tips 20 clicking over the ratchet notches 14 and with the wire locking ridges 19 closing tightly against the wires.
- the forward movement of the spring element causes the relatively sharp leading edge 18 thereof to pierce the membranes 24, 25 and 27 in succession to force and intermix the reactive components from the reagent chambers 26 and in the interaction chamber 30 as shown in FIG. 4.
- the intermixture produces sufficient heat to fuse the flux 23 and melt the solder cup 22 in intimate engagement with the wires to produce a secure and eflicient electrical connection therebetween.
- the heat also serves to suffi ciently heat the shrinkable, thermally-stabilized plastic material of the casing causing the latter to shrink tightly about the entire assembly to secure and insulate the latter in place as shown in FIGS. 1 and 6.
- the connector will become mechanically attached to the wires by the grip of the spring element so that it Will retain itself in place during the soldering reaction and need not be hand supported.
- a connector for connecting the extremities of a plurality of wires together comprising:
- a connector as described in claim 1 in which the self-contained heating means comprises exothermic reactive elements which are intermixed by the spring member as it is moved forwardly so as to generate heat sufficient to melt said solder cup.
- a connector as described in claim 2 having disruptable diaphragms extending transversally of said container forwardly of said spring member, said diaphragms sealing and separating said reagents until disrupted by the forward movement of said spring member.
Description
June 20, 1967 A. P. FATTOR 3,326,442
ELECTRICAL CONDUCTOR CONNECTORS WITH FEE-PLACED SOLDER Filed May 6, 1965 /3 T- zsagg W 5' 5 F i-g- 1 J 1 Z 5 /7 f3 f ff fig rs '22 Z? pz4sr/c United States Patent 3,326,442 ELECTRICAL CONDUCTOR CONNECTORS WITH PRE-PLACED SOLDER Arthur P. Fattor, Denver, Colo.
(5380 S. Holly St, Littleton, Colo. 80120) Filed May 6, 1965, Ser. No. 453,721 3 Claims. (Cl. 228-56) ABSTRACT OF THE DISCLOSURE A plastic, elongated, cup-like container into the open end of which a plurality of wires are inserted into a U- shaped spring member containing solder so as to force the spring member forwardly through disruptable diaphragms to release exothermic reagents which intermix to generate sufiicient heat to melt said solder.
This invention relates to means for connecting two or more electrical conductor wires electrically and mechanically together.
The principal object of the invention is to provide a small, economical, and easily used connector device which can be slipped over the extremities of two or more wires and which will automatically, quickly and securely solder the wire extremities together without the necessity for applying outside heat, such as a flame, soldering iron or torch, to the connector device or the wires therein.
A further object is to provide a connector device of the above type which will shrink to tightly contain all of the elements therein and which will electrically insulate the connected wire extremities against external electrical contacts.
A still further object is to provide a self-locking, mechanical wire connecting device which will securely and safely maintain the wires in electrical contact should no solder be used.
Other objects and advantages reside in the detail construction of the invention, which is designed for simplicity, economy, and efiiciency. These will become more apparent from the following description.
In the following detailed description of the invention, reference is made to the accompanying drawing which forms a part hereof. Like numerals refer to like parts in all views of the drawing and throughout the description.
In the drawing:
FIG. 1 is a side View, approximately natural size, illustrating a connection formed by the use of this invention;
FIG. 2 is an end view of the connection of FIG. 1;
FIG. 3 is a greatly magnified longitudinal, medial, section through the connector device as it would appear when ready to receive the wire terminals to be connected;
FIG. 4 is a similarly enlarged longitudinal section as it would appear after the wire terminals have been forced therein;
FIG. 5 is a rear end view taken on the line 5-5, FIG. 3; and
FIG. 6 is an enlarged longitudinal section of the completed connection taken on the line 66, FIG. 1.
For the purposes of description, two electrical conductor wires have been illustrated on the drawing at 10 and 11 with their conventional insulation at 12.
The improved connector device employs a plastic casing 13, preferably of greater width than height so that the two conductor wires may be inserted side-by-side. The rear portion of the casing 13 is enlarged and provided, at the top and bottom, with internal ratchet notches 14. The forward extremity of the casing is closed, as indicated at 15, and the rear extremity is preferably cut on a diagonal, as indicated at 16, to facilitate the placement and insertion of the wires. The casing 13 is preferably formed of a shrinkable, thermally-stabilized, plastic, such as modified polyolefin, which when subjected to heat will shrink tightly about the extremities of the wires 10 and 11.
A U-shaped metallic spring member 17, is positioned in the enlarged portion of the casing 13. The spring member is formed with a bight having a relatively sharp leading edge 18, which is directed toward the closed extremity 15, and with normally flared, rearwardly extending sides. The rear extremities of the sides are bent inwardly toward each other, to form inwardly extending wire-locking ridges 19, thence outwardly to form outwardly and rearwardly extending ratchet tips 20. The tips 20 flare outwardly from each other and resiliently ride over the ratchet notches 14 when the spring member is forced forwardly. Internal retaining ridges 21 are formed in the casing 13 to be engaged by the ratchet tips 20 to prevent accidental loss of the spring member 17.
A meltable solder cup 22, formed of readily meltable solder, such as Sn 63, is positioned between the two sides of the spring member 17 with its open extremity directed rearwardly to receive the extremities of the Wires 10 and 11. The solder cup 22 is lined with a layer of suitable soldering fiux 23, such as non-corrosive activated rosin.
A first pierceable membrane 24, seals the interior of the reduced diameter portion of the casing immediately ahead of the sharp bight edge 18 of the spring member 17. A second similar membrane 25 seals the casing forwardly of, and in spaced relation to, the membrane 24 to form a first reagent chamber 26. A third similar membrane 27 seals the casing forwardly of, and in spaced relation to, the second membrane 25 to form a second reagent chamber 28. A shoulder or stop ridge 29 in the easing limits forward movement of the third membrane 27 to maintain an open interaction chamber 30 as the forward extremity of the casing.
The chambers 26 and 28 are for the retention of suitable exothermic-reacting chemicals or reagents which, when intermixed, will produce a temperature sufiicient to melt the solder cup 22. For instance, the chamber 26 may be filled with liquid or granulated polyester resin and the chamber 28 filled with benzoyl peroxide which upon mixing will produce a polymerisation reaction, or pulverized sodium metal or phosphorous pentachloride may be placed in chamber 26 and water in chamber 28 to produce, when intermixed, a heat of solution reaction. Other exothermic reaction components will become apparent to those skilled in the art and are Within the scope of this invention.
The use of the connector device of this invention is extremely simple. The insulation is cleaned from the extremities of the wires and the latter are laid against the diagonal rear extremity of the casing and forced therein. The forward movement of the wires forces the solder cup and the spring member 17 forwardly with the ratchet tips 20 clicking over the ratchet notches 14 and with the wire locking ridges 19 closing tightly against the wires. The forward movement of the spring element causes the relatively sharp leading edge 18 thereof to pierce the membranes 24, 25 and 27 in succession to force and intermix the reactive components from the reagent chambers 26 and in the interaction chamber 30 as shown in FIG. 4. The intermixture produces sufficient heat to fuse the flux 23 and melt the solder cup 22 in intimate engagement with the wires to produce a secure and eflicient electrical connection therebetween. The heat also serves to suffi ciently heat the shrinkable, thermally-stabilized plastic material of the casing causing the latter to shrink tightly about the entire assembly to secure and insulate the latter in place as shown in FIGS. 1 and 6.
It will be noted that the connector will become mechanically attached to the wires by the grip of the spring element so that it Will retain itself in place during the soldering reaction and need not be hand supported.
While a specific form of the invention has been described and illustrated herein, it is to be understood that the same may be varied within the scope of the appended claims, without departing from the spirit of the invention.
Having thus described the invention what is claimed and desired to be secured by Letters Patent is:
1. A connector for connecting the extremities of a plurality of wires together comprising:
(a) an elongated, tubular plastic container having a closed and an open extremity;
(b) a U-shaped, normally flaring spring member within said container with its bight directed toward the closed extremity of said container and its sides directed toward the open extremity thereof to receive the extremities of wires inserted through said open extremity and to be forced forwardly in said container by said Wires;
(c) means for closing the sides of said U-shaped spring member into gripping engagement with said wires as said spring member is forced forwardly in said container;
(d) means for retaining said spring member and the gripped wires in said container at the termination of the forward movement of the spring member;
(6) a meltable solder cup contained between the sides of said spring member with its open end directed toward the open extremity of said container to receive the wires;.and
(f) self-contained heating means in said container positioned forwardly of said spring member so as to be actuated in consequence of the forward movement of the spring member to generate heat sufiicient to melt said solder cup. 7
2. A connector as described in claim 1 in which the self-contained heating means comprises exothermic reactive elements which are intermixed by the spring member as it is moved forwardly so as to generate heat sufficient to melt said solder cup.
3. A connector as described in claim 2 having disruptable diaphragms extending transversally of said container forwardly of said spring member, said diaphragms sealing and separating said reagents until disrupted by the forward movement of said spring member.
References Cited UNITED STATES PATENTS 2,122,252 6/1938 Hayes 17487 2,534,881 12/1950 Schroeder 17487 X 2,715,714 8/1955 Paylinetz 3392l3 2,831,446 4/1958 Schwartz 228-56 LEWIS H. MYERS, Primary Examiner.
D. L. CLAY, Examiner.
Claims (1)
1. A CONNECTOR FOR CONNECTING THE EXTREMITIES OF A PLURALITY OF WIRES TOGETHER COMPRISING: (A) AN ELONGATED, TUBULAR PLASTIC CONTAINER HAVING A CLOSED AND AN OPEN EXTREMITY; (B) A U-SHAPED, NORMALLY FLARING SPRING MEMBER WITHIN SAID CONTAINER WITH ITS BIGHT DIRECTED TOWARD THE CLOSED EXTREMITY OF SAID CONTAINER AND ITS SIDES DIRECTED TOWARD THE OPEN EXTREMITY THEREOF TO RECEIVE THE EXTREMITIES OF WIRES INSERTED THROUGH SAID OPEN EXTREMITY AND TO BE FORCED FORWARDLY IN SAID CONTAINER BY SAID WIRES; (C) MEANS FOR CLOSING THE SIDES OF SAID U-SHAPED SPRING MEMBER INTO GRIPPING ENGAGEMENT WITH SAID WIRES AS SAID SPRING MEMBER IS FORCED FORWARDLY IN SAID CONTAINER; (D) MEANS FOR RETAINING SAID SPRING MEMBER AND THE GRIPPED WIRES IN SAID CONTAINER AT THE TERMINATION OF THE FORWARD MOVEMENT OF THE SPRING MEMBER; (E) A MELTABLE SOLDER CUP CONTAINED BETWEEN THE SIDES OF SAID SPRING MEMBER WITH ITS OPEN END DIRECTED TOWARD THE OPEN EXTREMITY OF SAID CONTAINER TO RECEIVE THE WIRES; AND (F) SELF-CONTAINED HEATING MEANS IN SAID CONTAINER POSITIONED FORWARDLY OF SAID SPRING MEMBER SO AS TO BE ACTUATED IN CONSEQUENCE OF THE FORWARD MOVEMENT OF THE SPRING MEMBER TO GENERATE HEAT SUFFICIENT TO MELT SAID SOLDER CUP.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US453721A US3326442A (en) | 1965-05-06 | 1965-05-06 | Electrical conductor connectors with pre-placed solder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US453721A US3326442A (en) | 1965-05-06 | 1965-05-06 | Electrical conductor connectors with pre-placed solder |
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US3326442A true US3326442A (en) | 1967-06-20 |
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US453721A Expired - Lifetime US3326442A (en) | 1965-05-06 | 1965-05-06 | Electrical conductor connectors with pre-placed solder |
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Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3396455A (en) * | 1965-10-12 | 1968-08-13 | Raychem Corp | Method of precovering heat recoverable articles |
US3541495A (en) * | 1968-08-12 | 1970-11-17 | Raychem Corp | Connector for termination of coaxial cable |
US3601783A (en) * | 1969-03-05 | 1971-08-24 | Amp Inc | Electrical connector with spring biased solder interface |
US3768941A (en) * | 1968-03-06 | 1973-10-30 | Anaconda Co | Apparatus for making electrical connector |
US3868475A (en) * | 1973-08-31 | 1975-02-25 | Kenneth C Allison | Electrical connector |
US4065637A (en) * | 1973-08-31 | 1977-12-27 | Allison Kenneth C | Electrical connector |
FR2382779A1 (en) * | 1977-03-04 | 1978-09-29 | Raychem Pontoise Sa | THERMAL RECOVERY OBJECT |
EP0055543A2 (en) * | 1980-12-12 | 1982-07-07 | Raychem Pontoise S.A. | Wire stripping and penetrating arrangement |
US4634213A (en) * | 1983-04-11 | 1987-01-06 | Raychem Corporation | Connectors for power distribution cables |
US4889506A (en) * | 1988-11-03 | 1989-12-26 | Raychem Corporation | Solder delivery device |
US5369225A (en) * | 1993-04-20 | 1994-11-29 | Minnesota Mining And Manufacturing Company | Wire connector |
US5393932A (en) * | 1992-02-14 | 1995-02-28 | Minnesota Mining And Manufacturing Company | Wire connector |
USRE37340E1 (en) | 1989-12-13 | 2001-08-28 | King Technology Of Missouri, Inc. | Wire junction encapsulating wire connector and method of making same |
US6309260B1 (en) | 2000-02-11 | 2001-10-30 | Quick Cable Corp. | Solder-in-place connector |
US20080132109A1 (en) * | 2006-12-05 | 2008-06-05 | Tyco Electronics Corporation | Retaining system and method for preventing the release of wires from a poke-in connector |
US20170346198A1 (en) * | 2016-05-24 | 2017-11-30 | Hubbell Incorporated | Oxide inhibitor capsule |
US11196191B1 (en) * | 2020-10-23 | 2021-12-07 | Taylor Hardin | Electrical connector with cure-in-place resin |
US11404838B2 (en) * | 2019-03-08 | 2022-08-02 | Onanon, Inc. | Preformed solder-in-pin system |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2122252A (en) * | 1935-03-04 | 1938-06-28 | Neil G Hayes | Wire connecter |
US2534881A (en) * | 1946-04-20 | 1950-12-19 | Henry J Schroeder | Electrical wire connector with insulation piercing means |
US2715714A (en) * | 1950-05-19 | 1955-08-16 | Pavlinetz George | Terminal connectors |
US2831446A (en) * | 1956-05-16 | 1958-04-22 | Schwartz Milton | Soldering cap for splicing wire conductors of electricity |
-
1965
- 1965-05-06 US US453721A patent/US3326442A/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2122252A (en) * | 1935-03-04 | 1938-06-28 | Neil G Hayes | Wire connecter |
US2534881A (en) * | 1946-04-20 | 1950-12-19 | Henry J Schroeder | Electrical wire connector with insulation piercing means |
US2715714A (en) * | 1950-05-19 | 1955-08-16 | Pavlinetz George | Terminal connectors |
US2831446A (en) * | 1956-05-16 | 1958-04-22 | Schwartz Milton | Soldering cap for splicing wire conductors of electricity |
Cited By (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3396455A (en) * | 1965-10-12 | 1968-08-13 | Raychem Corp | Method of precovering heat recoverable articles |
US3768941A (en) * | 1968-03-06 | 1973-10-30 | Anaconda Co | Apparatus for making electrical connector |
US3541495A (en) * | 1968-08-12 | 1970-11-17 | Raychem Corp | Connector for termination of coaxial cable |
US3601783A (en) * | 1969-03-05 | 1971-08-24 | Amp Inc | Electrical connector with spring biased solder interface |
US3868475A (en) * | 1973-08-31 | 1975-02-25 | Kenneth C Allison | Electrical connector |
US4065637A (en) * | 1973-08-31 | 1977-12-27 | Allison Kenneth C | Electrical connector |
FR2382779A1 (en) * | 1977-03-04 | 1978-09-29 | Raychem Pontoise Sa | THERMAL RECOVERY OBJECT |
US4781606A (en) * | 1980-12-12 | 1988-11-01 | Raychem Corporation | Wire stripping arrangement |
EP0055543A3 (en) * | 1980-12-12 | 1982-08-04 | Raychem Pontoise S.A. | Wire stripping arrangement |
EP0055543A2 (en) * | 1980-12-12 | 1982-07-07 | Raychem Pontoise S.A. | Wire stripping and penetrating arrangement |
US4634213A (en) * | 1983-04-11 | 1987-01-06 | Raychem Corporation | Connectors for power distribution cables |
US4889506A (en) * | 1988-11-03 | 1989-12-26 | Raychem Corporation | Solder delivery device |
USRE37340E1 (en) | 1989-12-13 | 2001-08-28 | King Technology Of Missouri, Inc. | Wire junction encapsulating wire connector and method of making same |
US5393932A (en) * | 1992-02-14 | 1995-02-28 | Minnesota Mining And Manufacturing Company | Wire connector |
US5369225A (en) * | 1993-04-20 | 1994-11-29 | Minnesota Mining And Manufacturing Company | Wire connector |
US6309260B1 (en) | 2000-02-11 | 2001-10-30 | Quick Cable Corp. | Solder-in-place connector |
US20080132109A1 (en) * | 2006-12-05 | 2008-06-05 | Tyco Electronics Corporation | Retaining system and method for preventing the release of wires from a poke-in connector |
US7922517B2 (en) * | 2006-12-05 | 2011-04-12 | Tyco Electronics Corporation | Retaining system and method for preventing the release of wires from a poke-in connector |
US20170346198A1 (en) * | 2016-05-24 | 2017-11-30 | Hubbell Incorporated | Oxide inhibitor capsule |
US10505292B2 (en) * | 2016-05-24 | 2019-12-10 | Hubbell Incorporated | Oxide inhibitor capsule |
US11404838B2 (en) * | 2019-03-08 | 2022-08-02 | Onanon, Inc. | Preformed solder-in-pin system |
US11695244B2 (en) | 2019-03-08 | 2023-07-04 | Onanon, Inc. | Preformed solder-in-pin system |
US11196191B1 (en) * | 2020-10-23 | 2021-12-07 | Taylor Hardin | Electrical connector with cure-in-place resin |
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