[특허]Apparatus and method for sealing splices in insulated electrical cables

Apparatus and method for sealing splices in insulated electrical cables 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H02G-015/18
출원번호	US-0528059 (1983-08-31)
발명자 / 주소	Sievert James A. (Stillwater MN)
출원인 / 주소	Minnesota Mining and Manufacturing Company (St. Paul MN 02)
인용정보	피인용 횟수 : 25 인용 특허 : 0

초록 ▼

Apparatus for sealing and protecting the spliced junction of butt-spliced cables including a protective sleeve and two toroidal sealing rings and the method of assembling the sleeve and rings to the spliced cable which results in the sleeve being centered over the splice and the sealing rings spaced

대표청구항 ▼

In combination with a pair of insulated cables butt-spliced together, a protective and sealing assembly comprising: a protective cylindrical sleeve having an internal diameter greater than that of said insulated cables so that said sleeve may freely slide along said cables and having a length substantially longer than said butt-splice so that said sleeve spans said splice and extends beyond said splice along each of said insulated cables; and at least one toroidal sealing ring disposed at each end of said sleeve, between said sleeve and said cables, and substantially midway between the ends of said sleeve and said butt-splice, said rings when undeformed having an internal diameter less than the diameter of said insulated cables and an external diameter greater than the internal diameter of said sleeve so that said rings seal to the insulation of said cables and to said sleeve and are compressed between said sleeve and said insulated cables. A method of protecting and sealing the splice of two insulated cables having ends to be butt-spliced together comprising the steps of: rolling at least one toroidally shaped sealing ring having an internal diameter less than that of said insulated cables along each of said cables to points removed from the ends of said cables; inserting an end of one of said cables through a protective sleeve having an internal diameter less than the external diameter of said sealing rings but greater than that of said insulated cables so that said protective sleeve is free to slide along said cable, said cable being inserted until said protective sleeve is spaced from said end of said cable and disposed between said end of said cable and one of said sealing rings; splicing said cables; rolling one of said sealing rings along its respective cable to a position adjacent said splice; engaging said one sealing ring with one end of said protective sleeve and moving said sleeve in the direction from said splice toward said one ring until the other end of said sleeve is adjacent the end of said splice opposite said one ring whereby said one ring is rolled along the cable with the movement of said sleeve away from said splice to a position intermediate said one end of said sleeve and said splice; rolling the other of said sealing rings to a position adjacent said splice and said other end of said sleeve; and engaging said other sealing ring with said other end of said sleeve and moving said sleeve in the direction from said splice toward said other ring until said sleeve is substantially centered over said splice, thereby compressing said other ring between the inner surface of said sleeve and said cable and causing said other ring to roll away from said splice while said movement of said sleeve from said splice toward said other ring causes said one ring to roll toward said splice resulting in both rings being substantially equally spaced from said ends of said sleeve and substantially equally spaced from said splice.

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Apparatus and method for sealing splices in insulated electrical cables 원문보기

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Apparatus and method for sealing splices in insulated electrical cables 원문보기

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