EP0301859A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Cable shielding tape and cable incorporating such tape
Assignee: KT Industries Inc
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Filing: 1988-07-28
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Granted: —
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Expires: 2008-07-28
Abstract
Abstract A cable shielding tape is produced by laminating a single layer of an insulating material film (11, 41) which may be plastic to a conducting layer (13, 43) which may be of metallic foil with one edge of the conducting layer offset laterally with respect to said insulating layer, leaving a foil free edge portion (14, 44) of the insulating layer along one edge of the tape. This can be manufactured by laying the insulating layer tapes (54A, 54B) in a shingled formation, laminating a web of foil (62) over the tapes and then separating the tapes each with a partial covering of the foil. The conducting layer and insulating layer are coterminous at the opposite edge and both are folded back (45) with the conducting layer outermost. In another embodiment, the foil layer overhangs the opposed edge of the plastic layer and is folded around the edge to form a short position (15) on the opposed side.
Inventors
- 👤 Lawrence O'connor
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-02 17:50
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/22; H01B13/26; H01B13/2613; H01B13/2686; H01B11/00; H01B11/02; H01B11/06; H01B11/10; H01B11/1016; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/1011; Y10T428/00; Y10T428/24; Y10T428/24752; Y10T428/24802; Y10T428/24917; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2936
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
85 words
(1) A tape characterized in that it consists of a single conducting layer and a single insulating layer, said conducting layer being laminated by an intervening adhesive layer to one side of said insulating layer with one longitudinal edge of the conducting layer being spaced inwardly from the respective longitudinal edge of the insulating layer to form an edge portion of the insulating layer which is free from said conducting layer, said insulating layer and said conducting layer being coterminous at an opposed longitudinal edge.
Claim 2
Dependent Claim
91 words
(2) A tape consisting of a single conducting layer and a single insulating layer, and conducting layer being laminated to one side of said insulating layer with one longitudinal edge of the conducting layer spaced inwardly from the respective longitudinal edge of the insulating layer to form an edge portion of the insulating layer which is free from said conducting layers, and the other longitudinal edge of the conducting layer overhanging the respective edges of the insulating layer being folded therearound and bonded to the other side of the insulating layer.
Claim 3
Dependent Claim
87 words
(3) The invention according to Claim 1 or 2 wherein the thickness of the conducting layer lies in the range 0.00025 to 0.004 inches, wherein the thickness of the insulating layer lies in the range 0.00048 to 0.003 inches, wherein the width of the tape lies in the range 0.25 to 20.0 inches, wherein the free portion of the insulating layer has a width not greater than than 0.125 inches, and wherein the folded portion of the conducting layer has a width not greater than 0.125 inches.
Claim 4
Dependent Claim
29 words
(4) The invention according to Claim 1 wherein both the conducting layer and the insulating layer are commonly folded at said opposed longitudinal edge with said conducting layer outermost.
Claim 5
Dependent Claim
39 words
(5) A cable comprising at least one longitudinal continuous conductor insulated by a surrounding layer of an insulating material, and a shielding tape wrapped around the conductor, said shielding tape comprising a tape as claimed in any preceding claim.
Claim 6
Dependent Claim
140 words
(6) A method of manufacturing tape comprising forwarding a plurality of separate tapes each comprising a layer of an insulating material, laying the tapes as they are forwarded in a pattern each relative to the next so that an edge portion of each tape less than the width of the tape lies over an edge portion of a next adjacent tape, while the tapes remain in the pattern, laminating onto the tapes a layer of a conducting material of a width sufficient to cover more than one of the tapes, separating each of the insulating material tapes from the other insulating material tapes each with a portion of the conducting material laminated thereto covering a surface thereof except for said edge portion which is free from said layer of conducting material, and winding each of the tapes into a package.
Claim 7
Dependent Claim
42 words
(7) The invention according to Claim 6 including contacting the layer of conducting material on each tape at an intended separation line thereon so as to weaken the layer at the line for separation of each tape from the next adjacent tape.
Claim 8
Dependent Claim
36 words
(8) The invention according to Claim 6 or 7 including the step of folding the tape after separation thereof at a longitudinal edge thereof opposite to said edge portion with said layer of conducting material outermost.
References Cited (Backward Citations)
No citation records indexed.
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