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EP0353775A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Water penetration preventive cable

Assignee: Mitsubishi Chemical Corp
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Filing: 1989-08-04
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Granted: —
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Expires: 2009-08-04
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Abstract

Abstract A water penetration preventive cable comprising an assembly of linear elements comprising a core wire in a various form and an optional linear tensile strength element, the assembly being covered with a sheath, characterized in that the linear elements and/or the sheath are wound with a water absorptive tape, and/or in that the gap between the linear elements and/or between the linear element and the sheath is filled with a linear water absorptive linear elements, wherein the water absorptive tape and water absorptive linear elements are made of a water absorptive polymer supported on a tape like or linear support.

Inventors

  • 👤 Noriaki Mitsubishi Petrochem. Comp. Ltd. Fujitani
  • 👤 Kiichi Mitsubishi Petrochem. Comp. Ltd. Itoh
  • 👤 Kohji Mitsubishi Petrochem. Comp. Ltd. Kato

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-10 01:49
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/44; G02B6/4401; G02B6/4429; G02B6/44384

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 149 words
A water penetration preventive cable having an assembly of at least one optional linear element comprising a core wire and at least one linear element comprising a linear tensile strength member, the assembly being covered with a sheath to form the cable, characterized in that (1) at least one of the linear elements is wound with a water absorptive tape, and/or (2) a water absorptive linear element is interposed at least partly between said linear elements and/or between said linear element and said sheath, and/or (3) said assembly is wound with a water absorptive tape, and further in that (4) said water absorptive tape and said water absorptive linear element are made of a water absorptive polymer complex obtained by polymerizing a water soluble ethylenically unsaturated monomer impregnating or coated on a tapelike or a linear support or a support to be formed into a tapelike or linear shape.
Claim 2
Dependent Claim 149 words
A water penetration preventive cable having an assembly of at least one optional linear element comprising a core wire and at least one linear element comprising a linear tensile strength member, the assembly being covered with a sheath to form the cable, characterized in that (1) at least one of the linear elements is wound with a water absorptive tape, and/or (2) a water absorptive linear element is interposed at least partly between said linear elements and/or between said linear element and said sheath, and/or (3) said assembly is wound with a water absorptive tape, and further in that (4) said water absorptive tape and said water absorptive linear element are made of a water absorptive polymer complex obtained by polymerizing a water soluble ethylenically unsaturated monomer impregnating or coated on a tapelike or a linear support or a support to be formed into a tapelike or linear shape.
Claim 3
Dependent Claim 239 words
The cable as claimed in claim 1, which is a water penetration preventive cable having a secondary assembly of linear elements comprising a plurality of primary assemblies and at least one optional element comprising a linear tensile strength member, the primary assembly being of at least one linear element comprising a core wire and at least one optional linear element comprising a linear tensile strength member, the secondary assembly being covered with a sheath, to form the cable characterized in that (1) at least one of the linear elements of the primary assemblies is wound with a water absorptive tape, and/or (2) a water absorptive linear element is interposed at least partly between the linear elements of the primary assemblies, and/or (3) at least one of the linear element of said second assembly is wound with a water absorptive tape, and/or (4) a water absorptive linear element is interposed at least partly between the linear elements of the second assembly and/or between the linear element of the second assembly and the sheath, and/or (5) the second assembly is wound with a water absorptive tape, and further in that the (6) said water absorptive tape and said water absorptive linear element are made of a water absorptive polymer complex obtained by polymerizing a water soluble ethylenically unsaturated monomer impregnating or coated on a tapelike or a linear support or a support to be formed into a tapelike or linear shape.
Claim 4
Dependent Claim 151 words
The cable as claimed in claim 1, which is a water penetration preventive layer-strand cable comprising linear elements comprising a plurality of core wires and at least one optional linear tensile strength element, an assembly of said linear elements being assembled and the assembly being covered with a sheath to form the cable characterized in that (1) at least one of linear elements is wound with a water absorptive tape, (2) absorptive linear element is interposed at least partly between said linear elements and/or between said linear element and said sheath, and, (3) said assembly is wound with a water absorptive tape, and (4) said water absorptive tape and said water absorptive linear element are made of water absorptive polymer complex obtained by polymerizing a water soluble ethylenically unsaturated monomer impregnating or coated on a tapelike or linear support or a support to be formed into a tapelike or linear shape.
Claim 5
Dependent Claim 239 words
The cable as claimed in claim 1, which is a water penetration preventive layer strand cable comprising a secondary assembly of linear elements comprising a plurality of primary assemblies and at least one optional element comprising a linear tensile strength member, the primary assembly being of at least one linear element comprising a core wire and at least one optional linear element comprising a linear tensile strength member, the secondary assembly being covered with a sheath to form the cable, characterized in that (1) at least one of linear elements of said primary assemblies is wound with a water absorptive tape, (2) an absorptive linear element is interposed at least partly in a gap between said linear elements of said primary assemblies and, (3) at least one of the linear element of said second assembly is wound with a water absorptive tape, (4) a water absorptive linear element is interposed at least partly in a gap between linear elements of said second assembly and/or in a gap between the linear element of said second assembly and said sheath, and (5) said second assembly is wound with a water absorptive tape, and (6) said water absorptive tape and said water absorptive linear element are made of water absorptive polymer complex obtained by polymerizing a water soluble ethylenically unsaturated monomer impregnating or coated on a tapelike or linear support or a support to be formed into a tapelike or linear shape.
Claim 6
Dependent Claim 164 words
The cable as claimed in claim 1, which is a water penetration preventive ribbon type cable comprising a stack of core wire ribbons covered with a sheath, the core wire ribbon being such that a plurality of core wires are aligned and the entire core wires are embedded in a flat plastics material, characterized in that at least one of the stacks of the core wire ribbons optionally with a water absorptive linear element is wound with a water absorptive tape, and/or, in the case where of a plurality of the stacks is included, an assembly of the stacks together with a plurality of the water absorptive linear elements is wound with a water absorptive tape, and said water absorptive tape and said water absorptive linear element are made of water absorptive polymer complex obtained by polymerizing a water soluble ethylenically unsaturated monomer impregnating or coated on a tapelike or linear support or a support to be formed into a tapelike or linear shape.
Claim 7
Dependent Claim 184 words
The cable as claimed in claim 1, which is a water penetration preventive slot ribbon type cable comprising a stack of core wire ribbons the core ribbon being such that a plurality of core wires are aligned and the entire core wires are embedded in a flat plastics material, the stack being housed in each of a plurality of slots formed longitudinally of the outer periphery of a core structure, the core structure being covered with a sheath to form the cable characterized in that at least one of the stack is wound with a water absorptive tape, and/or a water absorptive linear element is interposed at least partly in a gap in the slot of the core structure housing the stack, or/and the core structure housing the stack is wound with a water absorptive tape, said water absorptive tape and said water absorptive linear element are made of a water absorptive polymer complex obtained by polymerizing a water soluble ethylenically unsaturated monomer impregnating or coated on a tapelike or linear support or a support to be formed into a tapelike or linear shape.
Claim 8
Dependent Claim 199 words
The cable as claimed in claim 1, which is a water penetration preventive slot type cable comprising one or a plurality of core wires housed in a plurality of slots formed longitudinally of the outer periphery of a core structure, at least one of the core structures being covered with a sheath to form the cable characterized in that at least one of the core wires housed in the slot is wound with a water absorptive tape, and/or a water absorptive linear element is interposed at least partly in a gap in the slot housing the core wire, and/or the core structure as it is or as an assembly thereof is wound with a water absorptive tape, and, in the case where the core structure as an assembly thereof is wound with a water absorptive tape, the assembly is wound with the tape together with a water absorptive linear element, and said water absorptive tape and said water absorptive linear element are made of a water absorptive polymer complex obtained by polymerizing a water soluble ethylenically unsaturated monomer impregnating or coated on a tapelike or linear support or a support to be formed in a tapelike or linear shape.
Claim 9
Dependent Claim 173 words
The cable as claimed in claim 1, which is a water penetration preventive loose pipe type cable comprising a plurality of linear elements comprising a plurality of pipes housing a core wire or wires of smaller outer diameter than the inner diameter of the pipe and at least one optional linear tensile strength element, of the assembly plurality of linear elements being covered with a sheath to form the cable characterized in that at least one of linear elements of the cable is wound with a water absorptive tape, and/or a water absorptive linear element is interposed at least partly in a gap between the linear elements and/or between the linear element and the sheath, and/or the assembly is wound with a water absorptive tape, said water absorptive tape and said water absorptive linear element are made of a water absorptive polymer complex obtained by polymerizing a water soluble ethylenically unsaturated monomer impregnating or coated on a tapelike or linear support or a support to be formed into a tapelike or linear shape.
Claim 10
Dependent Claim 244 words
The cable as claimed in claim 1, which is a water penetration preventive loose pipe type cable comprising a secondary assembly of linear elements comprising a plurality of primary assembly and at least one optional linear tensile strength member, the primary assembly being of a plurality of linear elements comprising a plurality of pipes housing a core wire or wires of smaller outer diameter than the inner diameter of the pipe and at least one optional linear tensile strength member the assembly being covered with a sheath to form the cable, characterized in that at least one of the linear elements of the primary assembly is wound with a water absorptive take, and/or a water absorptive linear elements is interposed at least partly in a gap between the linear elements of the primary assembly, and/or at least one of the linear elements of the secondary assembly is wound with a water absorptive tape, and or a water absorptive linear element is interposed at least partly in a gap between the linear elements and/or between the linear element and the sheath of the second assembly and/or the secondary assembly is wound with a water absorptive tape, and said water absorptive tape and said water absorptive linear element are made of a water absorptive polymer complex obtained by polymerizing a water soluble ethylenically unsaturated monomer impregnating or coated on a tapelike or linear support or a support to be formed into a tapelike or linear shape.

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