[특허]Shielded electric cable assembly and method

Delphi Technologies, Inc.

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특허 상세정보

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Shielded electric cable assembly and method

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01R-004/66
미국특허분류(USC)	439/098; 439/585; 439/607.5
출원번호	UP-0708446 (2007-02-20)
등록번호	US-7726985 (2010-06-22)
발명자 / 주소	Gladd, Joseph H. Raschilla, Anthony
출원인 / 주소	Delphi Technologies, Inc.
대리인 / 주소	Twomey, Thomas N.
인용정보	피인용 횟수 : 7 인용 특허 : 12

초록
▼

A shielded electric cable assembly comprises a shielded electric cable and a shield terminal. The shield terminal comprises a ferrule of one-piece construction having an inner ferrule portion and an outer ferrule portion that is radially spaced from the inner ferrule portion and attached to the inner ferrule portion by an end wall. The inner ferrule portion is disposed between an inner insulation jacket of the shielded electric cable and an exposed end portion of an intermediate conductive layer surrounding the inner insulation jacket. The outer ferrule portion is crimped about the exposed end portion of the intermediate conductive layer to crimp the inner ferrule portion tightly around the inner insulation jacket and to clamp exposed end portion of the intermediate conductive layer between the inner ferrule portion and the outer ferrule portion of the one piece ferrule. A conductive cylindrical shell is attached to the one-piece ferrule. An inner terminal which is attached to the cable is disposed in the conductive shell.

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We claim: 1. A shielded electric cable assembly comprising a shielded electric cable and a shield terminal, the shielded electric cable having a conductive core, an inner insulation jacket surrounding the conductive core, an intermediate conductive layer surrounding the inner insulation jacket, and an outer insulation jacket surrounding the conductive layer, the shield terminal comprising a ferrule of one-piece construction comprising an inner ferrule portion and an outer ferrule portion both the inner ferrule portion and outer ferrule portion being contiguous and uniform about its entire circumference; and free of seams, the outer ferrule portion being radially spaced from the intermediate conductive layer and the inner ferrule portion to form an annular space to receive said intermediate conductive layer before crimping and said outer ferrule portion being integrally attached to the inner ferrule portion by an annular end wall to define an annular chamber having an annular closed end and an open end opposite the closed end to receive said intermediate conductive layer, the inner ferrule portion being disposed between the inner insulation jacket and the exposed end portion of the intermediate conductive layer extending into the chamber through the open end, the outer ferrule portion being crimped about the exposed end portion of the intermediate conductive layer so that the inner ferrule portion is crimped tightly around the outer insulation jacket and the exposed end portion of the intermediate conductive layer is clamped between the inner ferrule portion and the outer ferrule portion, and wherein the outer ferrule portion of the one piece ferrule has a ring-like part adjacent the end wall, an outwardly radially curved extending wall section extending from the ring-like part and an open end at an end opposite the end wall that is larger than the ring-like part. 2. The shielded electric cable assembly as defined in claim 1 wherein the outer ferrule portion has a ring-like part adjacent the end wall that has a substantially hexagonal shape. 3. The shielded electric cable assembly as defined in claim 1 wherein the shielded electric cable assembly further includes an inner terminal that is attached to the shielded electric cable so as to contact the conductive core of the shielded electric cable. 4. The shielded electric cable assembly as defined in claim 1 wherein the shielded electric cable assembly further includes a conductive shell. 5. The shielded electric cable as defined in claim 1 wherein the conductive shell is a separate cylindrical piece that is attached to the open end. 6. The shielded electric cable as defined in claim 1 wherein the shielded electric cable assembly further includes an inner terminal that is disposed in the conductive shell. 7. A method of making a shielded electric cable assembly comprising a shielded electric cable and a shield terminal, comprising the steps of: providing a shielded electric cable having a conductive core, an inner insulation jacket surrounding the conductive core, an intermediate conductive layer surrounding the inner insulation jacket, and an outer insulation jacket surrounding the intermediate conductive layer, providing a shield terminal comprising a ferrule of one-piece construction comprising an inner ferrule portion and an outer ferrule portion, the outer ferrule portion being radially spaced from the intermediate conductive layer and the inner ferrule portion before crimping, and the outer ferrule portion attached to the inner ferrule portion by an annular end wall to define an annular chamber having an annular closed end and an open end opposite the closed end that has a larger diameter than the annular end wall, said inner and outer ferrule portions being contiguous and uniform about its entire circumference and free of seams, providing the outer ferrule of the one piece ferrule has a ring-like part adjacent the end wall, an outwardly radially curved extending wall section extending from the ring-like part and an open end at an end opposite the end wall that is larger than the ring-like part, cutting the outer insulation jacket and stripping an elongate end portion of the outer insulation jacket to expose an end portion of the intermediate conductive layer, flaring the exposed end portion of the intermediate conductive layer to space the exposed end portion of the intermediate conductive layer from an end portion of the inner insulation jacket, positioning the flared exposed end portion of the intermediate conductive layer in the chamber between the inner ferrule portion and the outer ferrule portion, and crimping the outer ferrule portion about the flared exposed end portion of the intermediate conductive layer so that the inner ferrule portion is crimped tightly around the inner insulation jacket and the flared end exposed portion of the intermediate conductive layer is clamped between the inner ferrule portion and the outer ferrule portion of the shield terminal. 8. The method as defined in claim 7 wherein the outer ferrule portion is crimped into a substantially hexagonal shape. 9. The method as defined in claim 7 wherein the intermediate conductive layer is cut and an end portion stripped to expose an end portion of the inner insulation jacket, wherein the end portion of the inner insulation jacket is threaded into the inner ferrule portion of the shield terminal, and the inner ferrule portion is moved along the inner insulation jacket to position the flared exposed end portion of the intermediate conductive layer between the inner ferrule portion and the outer ferrule portion. 10. The method as defined in claim 7 wherein an inner terminal is attached to the shielded electrical cable between the inner ferrule portion and a proximate end of the shielded electric cable. 11. The method as defined in claim 7 wherein a conductive shell is attached to the ferrule of one-piece construction.

이 특허에 인용된 특허 (12)

이 특허를 인용한 특허 피인용횟수: 7

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Shielded electric cable assembly and method

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Shielded electric cable assembly and method

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이 특허에 인용된 특허 (12)

이 특허를 인용한 특허 피인용횟수: 7

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