US2803695A - Closed end connector - Google Patents

Closed end connector Download PDF

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Publication number
US2803695A
US2803695A US224370A US22437051A US2803695A US 2803695 A US2803695 A US 2803695A US 224370 A US224370 A US 224370A US 22437051 A US22437051 A US 22437051A US 2803695 A US2803695 A US 2803695A
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United States
Prior art keywords
sleeve
closed
connector
dies
closed end
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
Application number
US224370A
Inventor
Jr Harold O Woolley
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TE Connectivity Corp
Original Assignee
AMP Inc
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Publication date
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Priority to US224370A priority Critical patent/US2803695A/en
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Publication of US2803695A publication Critical patent/US2803695A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H01R4/22—End caps, i.e. of insulating or conductive material for covering or maintaining connections between wires entering the cap from the same end
    • 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
    • H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/20—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve
    • H01R4/203—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve having an uneven wire-receiving surface to improve the contact
    • H01R4/206—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve having an uneven wire-receiving surface to improve the contact with transversal grooves or threads
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/66—Processes of reshaping and reforming
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49194—Assembling elongated conductors, e.g., splicing, etc.
    • Y10T29/49195—Assembling elongated conductors, e.g., splicing, etc. with end-to-end orienting
    • Y10T29/49199—Assembling elongated conductors, e.g., splicing, etc. with end-to-end orienting including deforming of joining bridge
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49194—Assembling elongated conductors, e.g., splicing, etc.
    • Y10T29/49201—Assembling elongated conductors, e.g., splicing, etc. with overlapping orienting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49808—Shaping container end to encapsulate material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49925—Inward deformation of aperture or hollow body wall
    • Y10T29/49927—Hollow body is axially joined cup or tube
    • Y10T29/49929—Joined to rod

Definitions

  • This invention relates to insulated electrical connectors of the type adapted for pressure application on a wire to make an electrical connection therewith. More particularly this invention relates to closed-end insulation for conducting members and a method for closing the insulation about one end thereof.
  • connectors of the type adapted to permanently join two or more wires or the like it is sometimes desired to insulate the connector before pressure-forming and it is in addition sometimes desirable to seal the insulation over one end.
  • Another object is to provide for a long leakage path through the closed end of the insulation in the event of any hidden defect in the closure; so that the insulation will be fully effective notwithstanding such defect.
  • Figure 1 is a perspective view of a connector according to the present invention.
  • Figure 2 is a section on line 2--2 of Figure 1;
  • Figure 3 is an end view of the closing jaws and a sleeve to be closed
  • Figure 4 is a view similar to Figure 3 showing the jaws in full compressing position
  • Figure 5 is a side view of the die used in Figures 3 and 4;
  • Figure 6 is a perspective view of a connector similar to Figure 1 after crimping
  • Figure 7 is a perspective view of another embodiment of the present invention.
  • Figure 8 is a perspective view of a still further embodiment of the present invention showing fragmentary portions of the dies for forming the end closure.
  • a ferrule portion 10 is surrounded by an insulating sleeve 12 which extends substantially beyond both ends of the ferrule portionone end 14 of which forms the mouth to receive, embrace and support the insulation of the wires to be crimped ( Figures 6 and 7) and the other end to be closed .over and seal the opposite end of the connector. If desired,
  • the metal ferrule 10 may be located on the outside of the plastic instead of inside; or it may be omitted altogether if the plastic is sufficiently rigid and malleable.
  • the insulating sleeve 12 is a tough malleable thermoplastic capable at room temperature of transmitting pressure sufficient to cold flow the metal of the ferrule without destroying the insulating properties of the plastic, and also capable of being formed itself by such pres-- sure.
  • plastics for example, are the slightly plasticized vinyl chlorides often referred to as rigid vinyl chloride plastics, which will ordinarily have a few percent of vinyl acetate as plasticizer-copolymer. Others are molding nylon and v-inylidene chloride (sold commercially as Saran).
  • each die jaw 16 is radially disposed at substantially equal intervals about the axis 18 of the sleeve when positioned for closing of its end.
  • Each jaw face has an included angle of about a lower beveled face 22, as shown in Figure 5, and corners 17 rounded to a small radius.
  • the insulating sleeve after assembly on the ferrule, is gently heated until the sleeve is rendered capable of molding without substantial elastic memory and is then positioned so the heated end is substantially centered on the axis 18 and extends only a short distance into the space between the surfaces 24 of the end-closing dies (Figure 3).
  • the jaws are then closed radially toward axis 18 driving adjacent portions of the sleeve circumference together until the opposing faces of .the adjacent portions meet and cohere to seal completely the end of the connector ( Figure 4). Since the plastic was heated and softened it may be easily shaped to the form and thickness desired and adjacent portions will readily cohere.
  • the dies are then Withdrawn leaving four radially disposed fins 26, as the remnants of the folds first formed, closing the end of the insulating sleeve with the material driven inward from the sleeve by the dies 16 and extruded from between the surfaces 24 as the dies are closed together.
  • the assembled ferrule and sleeve is centered between .the die jaws which in their expanded or rest position are maintained at an elevated temperature, of about 400 F for example by gas flames (not shown).
  • the heated dies are forced inwardly against the cold insulating sleeve, which is softened by the heat of the dies, until adjacent portions of the circumference are folded and flowed together to close the end of the insulating sleeve.
  • the dies are again withdrawn the four radial fins are left closing the sleeve.
  • the wires to be connected are inserted through the open end 14 into the ferrule 10 and the connector crimped forging the ferrule portion onto the wires in any of the several ways well known to the art ( Figures 6 and 7), while the end of the plastic sleeve overlying the wire insulation may be crimped also to tightly embrace and support the wire and if required, to seal the connection.
  • each die jaw has an included angle of approximately 72, resulting in a five fin end closure.
  • any desired number of fins may be formed, but it should be noted that the parts of the plastic sleeve which are drawn toward the center form a roof or dome which is reinforced by the fins and the material extruded down into the dome therefrom. A better reinforced structure is attained if these reinforcements are distributed at less than 180 intervals. Moreover with only two in dents of approximately 180, the flattening of the sleeve tends to give an end closure which has a greater diameter than the sleeve itself, as shown in Figure 8. If this is objectionable, the dies may be made to surround the end while it is being flattened and extruded and thus confine the extrusion to a direction parallel to the axis, but with more than three indents, this is unnecessary.
  • This four fin closure combined with a confined crimp, e. g. as shown in Figure 6 and as described in detail in a copending application to Holtzapple, Serial No. 73,946, filed February 1, 1949, produces a closed end insulating sleeve for a connection that does not have a diameter greater than the diameter of the insulating sleeve tubing which in some installations is a highly desirable characteristic.

Landscapes

  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Description

Aug. 20, 1957 H. o. WOOLLEY, JR 2,303,695
. CLOSED END CONNECTOR Filed May 3, 1951 TIE'AL' A TTORNE Y5 I ite 2,893,695 Patented Aug. 20, 1957 CLOSED END CONNECTOR Harold D. Woolley, Jr., Lemoyne, Pa., assignor to AMP Incorporated, a corporation of New Jersey Application May 3, 1951, Serial No. 224,370
1 Claim. (Cl. 174-87) This invention relates to insulated electrical connectors of the type adapted for pressure application on a wire to make an electrical connection therewith. More particularly this invention relates to closed-end insulation for conducting members and a method for closing the insulation about one end thereof.
In connectors of the type adapted to permanently join two or more wires or the like, it is sometimes desired to insulate the connector before pressure-forming and it is in addition sometimes desirable to seal the insulation over one end.
Heretofore when making closed-end insulating sleeves for connectors and other conducting elements, it has been the practice to seal the end of the tough malleable plastic sleeve after application onto the conducting element by heating and spinning the sleeve against a tool so as to work some of the material of the sleeve over the end.
It is a primary object of the present invention to provide a closed-end insulating sleeve that can be more easily and quickly formed, and is certainly and perfectly sealed.
It is another object to provide an end closure that will not expand the circumference of the insulating sleeve.
It is a still further object to provide an end closure requiring only a very short end to seal the insulating sleeve.
Another object is to provide for a long leakage path through the closed end of the insulation in the event of any hidden defect in the closure; so that the insulation will be fully effective notwithstanding such defect.
Other and further objects will be in part obvious and in part pointed out as the specification proceeds.
In the drawings:
Figure 1 is a perspective view of a connector according to the present invention;
Figure 2 is a section on line 2--2 of Figure 1;
Figure 3 is an end view of the closing jaws and a sleeve to be closed;
Figure 4 is a view similar to Figure 3 showing the jaws in full compressing position;
Figure 5 is a side view of the die used in Figures 3 and 4;
Figure 6 is a perspective view of a connector similar to Figure 1 after crimping;
Figure 7 is a perspective view of another embodiment of the present invention; and
Figure 8 is a perspective view of a still further embodiment of the present invention showing fragmentary portions of the dies for forming the end closure.
Referring to Figures 1 and 2, a ferrule portion 10 is surrounded by an insulating sleeve 12 which extends substantially beyond both ends of the ferrule portionone end 14 of which forms the mouth to receive, embrace and support the insulation of the wires to be crimped (Figures 6 and 7) and the other end to be closed .over and seal the opposite end of the connector. If desired,
the metal ferrule 10 may be located on the outside of the plastic instead of inside; or it may be omitted altogether if the plastic is sufficiently rigid and malleable.
The insulating sleeve 12 is a tough malleable thermoplastic capable at room temperature of transmitting pressure sufficient to cold flow the metal of the ferrule without destroying the insulating properties of the plastic, and also capable of being formed itself by such pres-- sure. Among such plastics, for example, are the slightly plasticized vinyl chlorides often referred to as rigid vinyl chloride plastics, which will ordinarily have a few percent of vinyl acetate as plasticizer-copolymer. Others are molding nylon and v-inylidene chloride (sold commercially as Saran).
Referring to Figure 3, four die jaws 16 are radially disposed at substantially equal intervals about the axis 18 of the sleeve when positioned for closing of its end. Each jaw face has an included angle of about a lower beveled face 22, as shown in Figure 5, and corners 17 rounded to a small radius.
In one form of the invention the insulating sleeve, after assembly on the ferrule, is gently heated until the sleeve is rendered capable of molding without substantial elastic memory and is then positioned so the heated end is substantially centered on the axis 18 and extends only a short distance into the space between the surfaces 24 of the end-closing dies (Figure 3). The jaws are then closed radially toward axis 18 driving adjacent portions of the sleeve circumference together until the opposing faces of .the adjacent portions meet and cohere to seal completely the end of the connector (Figure 4). Since the plastic was heated and softened it may be easily shaped to the form and thickness desired and adjacent portions will readily cohere. The dies are then Withdrawn leaving four radially disposed fins 26, as the remnants of the folds first formed, closing the end of the insulating sleeve with the material driven inward from the sleeve by the dies 16 and extruded from between the surfaces 24 as the dies are closed together..
Alternatively, the assembled ferrule and sleeve is centered between .the die jaws which in their expanded or rest position are maintained at an elevated temperature, of about 400 F for example by gas flames (not shown). The heated dies are forced inwardly against the cold insulating sleeve, which is softened by the heat of the dies, until adjacent portions of the circumference are folded and flowed together to close the end of the insulating sleeve. When the dies are again withdrawn the four radial fins are left closing the sleeve.
The wires to be connected are inserted through the open end 14 into the ferrule 10 and the connector crimped forging the ferrule portion onto the wires in any of the several ways well known to the art (Figures 6 and 7), while the end of the plastic sleeve overlying the wire insulation may be crimped also to tightly embrace and support the wire and if required, to seal the connection.
Thus a simple, positive and tightly sealed end closure for an insulating sleeve can be easily formed.
Referring to Figure 7, the assembled ferrule and sleeve is inserted in a five die assembly, similar to the four die assembly described above in which each die jaw has an included angle of approximately 72, resulting in a five fin end closure.
In general any desired number of fins may be formed, but it should be noted that the parts of the plastic sleeve which are drawn toward the center form a roof or dome which is reinforced by the fins and the material extruded down into the dome therefrom. A better reinforced structure is attained if these reinforcements are distributed at less than 180 intervals. Moreover with only two in dents of approximately 180, the flattening of the sleeve tends to give an end closure which has a greater diameter than the sleeve itself, as shown in Figure 8. If this is objectionable, the dies may be made to surround the end while it is being flattened and extruded and thus confine the extrusion to a direction parallel to the axis, but with more than three indents, this is unnecessary.
This four fin closure combined with a confined crimp, e. g. as shown in Figure 6 and as described in detail in a copending application to Holtzapple, Serial No. 73,946, filed February 1, 1949, produces a closed end insulating sleeve for a connection that does not have a diameter greater than the diameter of the insulating sleeve tubing which in some installations is a highly desirable characteristic.
While there are given above certain specific examples of this invention and its application in practical use and also certain modifications and alternatives, it should be understood that these are not intended to beexhaustive or to be limiting of the invention. On the contrary, these illustrations and the explanations herein are given in order to acquaint others skilled in the art with this invention and the principles thereof and a suitable manner of its application in practical use, so that others skilled in the art may be enabled to modify the invention and to adapt it and apply it in numerous forms, each as may be best suited to the requirement of a particular use.
I claim:
A connector for electrically joining a plurality of coneach fin composed of a sector of the sleeve, said fins forming a reenforcing end closure and extending longitudinally a substantial distance from said dome.
References Cited in the file of this patent UNITED STATES PATENTS 1,719,405 Townsend July 2, 1929 1,883,736 Cotterman Oct. 18, 1932 2,160,313 Norres May 30, 1939 2,338,524 McCabe Jan. 4, 1944 2,377,533 Waters June 5, 1945 2,431,871 Huyett Dec. 2, 1947 2,526,277 Rogofi Oct. 17, 1950 2,543,696 Krueger Feb. 27, 1951 2,740,101 Betts Mar. 27, 1956 FOREIGN PATENTS 492,397 Great Britain Sept. 20, 1938
US224370A 1951-05-03 1951-05-03 Closed end connector Expired - Lifetime US2803695A (en)

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2972781A (en) * 1957-11-05 1961-02-28 Kahn David Inc Method of deforming plastic articles
US2974367A (en) * 1954-09-29 1961-03-14 Western Electric Co Apparatus for making splicing-sleeve assemblies
US3076262A (en) * 1957-10-21 1963-02-05 John T Riddell Inc Method of making a metal reinforced resinous structure
US3079291A (en) * 1959-10-14 1963-02-26 Gen Motors Corp Apparatus and method for capping wire
US3082515A (en) * 1956-10-31 1963-03-26 John T Riddell Inc Method for making face guards
US3095859A (en) * 1958-08-15 1963-07-02 Kahn David Inc Writing instrument
US3118486A (en) * 1960-04-07 1964-01-21 Burndy Corp Connector locating means
US3271490A (en) * 1962-01-31 1966-09-06 Rexall Drug Chemical Method for fabricating tubes
US3436006A (en) * 1965-06-22 1969-04-01 Thomas & Betts Corp Ultrasonic welding device
US3496598A (en) * 1968-04-19 1970-02-24 Precision Paper Tube Co Tube cutoff and forming machine
US3641820A (en) * 1970-03-09 1972-02-15 Dresser Ind Bourdon tube having integral pointer
WO1980002084A1 (en) * 1979-03-27 1980-10-02 Varian Associates Superconducting junction
US4558512A (en) * 1983-07-05 1985-12-17 Centre National De La Recherche Scientifique Process for making a connection between superconductive wires and to a connection obtained by this process
US4631808A (en) * 1983-09-12 1986-12-30 General Electric Company Method of forming a superconductive joint between multifilament superconductors
US5499448A (en) * 1993-07-19 1996-03-19 Aerospace Societe Nationale Industrielle Process for connecting an electric cable to an end member
US20180131168A1 (en) * 2016-11-10 2018-05-10 Yazaki Corporation Joining method of electric wires

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1719405A (en) * 1925-12-09 1929-07-02 Harry E Townsend Package and method of producing the same
US1883736A (en) * 1929-05-23 1932-10-18 Vincent G Apple Lab Method of making commutators
GB492397A (en) * 1937-04-15 1938-09-20 Sthn United Telephone Cables An improved electric cable
US2160313A (en) * 1936-03-12 1939-05-30 Norres Wilhelm Wire joint, especially for electrical shot-firing outfits or similar provisional electrical circuits
US2338524A (en) * 1940-06-08 1944-01-04 Burroughs Adding Machine Co Method of making electrical terminal fixtures
US2377533A (en) * 1943-07-16 1945-06-05 Harry F Waters Container
US2431871A (en) * 1940-10-26 1947-12-02 Atlas Powder Co Electric explosion initiator
US2526277A (en) * 1944-06-06 1950-10-17 Burndy Engineering Co Inc Compressible insulated connector
US2543696A (en) * 1948-09-18 1951-02-27 American Phenolic Corp High-frequency transmission cable
US2740101A (en) * 1950-09-07 1956-03-27 Aircraft Marine Prod Inc Electrical connector and method of manufacturing

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1719405A (en) * 1925-12-09 1929-07-02 Harry E Townsend Package and method of producing the same
US1883736A (en) * 1929-05-23 1932-10-18 Vincent G Apple Lab Method of making commutators
US2160313A (en) * 1936-03-12 1939-05-30 Norres Wilhelm Wire joint, especially for electrical shot-firing outfits or similar provisional electrical circuits
GB492397A (en) * 1937-04-15 1938-09-20 Sthn United Telephone Cables An improved electric cable
US2338524A (en) * 1940-06-08 1944-01-04 Burroughs Adding Machine Co Method of making electrical terminal fixtures
US2431871A (en) * 1940-10-26 1947-12-02 Atlas Powder Co Electric explosion initiator
US2377533A (en) * 1943-07-16 1945-06-05 Harry F Waters Container
US2526277A (en) * 1944-06-06 1950-10-17 Burndy Engineering Co Inc Compressible insulated connector
US2543696A (en) * 1948-09-18 1951-02-27 American Phenolic Corp High-frequency transmission cable
US2740101A (en) * 1950-09-07 1956-03-27 Aircraft Marine Prod Inc Electrical connector and method of manufacturing

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2974367A (en) * 1954-09-29 1961-03-14 Western Electric Co Apparatus for making splicing-sleeve assemblies
US3082515A (en) * 1956-10-31 1963-03-26 John T Riddell Inc Method for making face guards
US3076262A (en) * 1957-10-21 1963-02-05 John T Riddell Inc Method of making a metal reinforced resinous structure
US2972781A (en) * 1957-11-05 1961-02-28 Kahn David Inc Method of deforming plastic articles
US3095859A (en) * 1958-08-15 1963-07-02 Kahn David Inc Writing instrument
US3079291A (en) * 1959-10-14 1963-02-26 Gen Motors Corp Apparatus and method for capping wire
US3118486A (en) * 1960-04-07 1964-01-21 Burndy Corp Connector locating means
US3271490A (en) * 1962-01-31 1966-09-06 Rexall Drug Chemical Method for fabricating tubes
US3436006A (en) * 1965-06-22 1969-04-01 Thomas & Betts Corp Ultrasonic welding device
US3496598A (en) * 1968-04-19 1970-02-24 Precision Paper Tube Co Tube cutoff and forming machine
US3641820A (en) * 1970-03-09 1972-02-15 Dresser Ind Bourdon tube having integral pointer
WO1980002084A1 (en) * 1979-03-27 1980-10-02 Varian Associates Superconducting junction
US4558512A (en) * 1983-07-05 1985-12-17 Centre National De La Recherche Scientifique Process for making a connection between superconductive wires and to a connection obtained by this process
US4631808A (en) * 1983-09-12 1986-12-30 General Electric Company Method of forming a superconductive joint between multifilament superconductors
US5499448A (en) * 1993-07-19 1996-03-19 Aerospace Societe Nationale Industrielle Process for connecting an electric cable to an end member
US20180131168A1 (en) * 2016-11-10 2018-05-10 Yazaki Corporation Joining method of electric wires
US11114825B2 (en) * 2016-11-10 2021-09-07 Yazaki Corporation Joining method of electric wires

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