Patent EP0153823A2 successfully refreshed from Google Patents.
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EP0153823A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Recoverable article for screening

Assignee: Raychem Ltd
•
Filing: 1985-02-06
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Granted: —
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Expires: 2005-02-06
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Abstract

Abstract A recoverable fabric for example a weave having a conductive metal warp and a recoverable polymeric weft may be provided with solder to provide an article for screening electrical components.

Inventors

  • 👤 Kenneth Brian Pithouse
  • 👤 Thomas Peter Hooper Jones
  • 👤 Frank James Lowe
  • 👤 Richard Stuart Skipper

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-01 18:03
CPC Classifications
H; H05; H05K; H05K9/00; H05K9/0073; H05K9/0081; H05K9/009; B; B29; B29C; B29C61/00; B29C61/06; B29C61/0608; B29C61/0658; B29K; B29K2705/00; B29K2995/00; B29K2995/0003; B29K2995/0005; Y; Y10; Y10S; Y10S174/00; Y10S174/08; Y10T; Y10T442/00; Y10T442/30; Y10T442/3179; Y10T442/322; Y10T442/3228; Y10T442/3236; Y10T442/3252; Y10T442/40; Y10T442/45; Y10T442/456; Y10T442/463

Claims Analysis

Total Claims: 41
Claim 1
Independent Claim 55 words
An article capable of screening an electrical component, which comprises: (a) a recoverable fabric having as a component thereof fibres comprising an electrically conductive material; and (b) means for electrically terminating said fibres; said article after recovery having a surface transfer impedance of 5 ohm/m or less, measured over a frequency of from 1-50 MHz.
Claim 2
Dependent Claim 55 words
An article capable of screening an electrical component, which comprises: (a) a recoverable fabric having as a component thereof fibres comprising an electrically conductive material; and (b) means for electrically terminating said fibres; said article after recovery having a surface transfer impedance of 5 ohm/m or less, measured over a frequency of from 1-50 MHz.
Claim 3
Dependent Claim 16 words
An article according to claim 1, in which said surface transfer impedance is 40mohm/m or less.
Claim 4
Dependent Claim 32 words
An article according to claim 1 or 2,_in which the fabric comprises a weave, the weft of which comprises the recoverable fibres and the warp comprises the fibre comprising the conductive material.
Claim 5
Dependent Claim 26 words
An article according to claim 1 or,2, in which the fabric comprises a warp or weft inserted knit, recoverable by virtue of a recoverable fibre insertion.
Claim 6
Dependent Claim 25 words
An article according to any preceding claim, In which the optical coverage of the fabric by the conductive material after recovery is at least 70%.
Claim 7
Dependent Claim 14 words
An article according to any preceding claim in the form of a wrap-around sleeve.
Claim 8
Dependent Claim 30 words
An article according to any preceding claim, in which the means for electrically terminating comprises a mechanical clamp which has an electrically conductive surface which will contact said conductive material.
Claim 9
Dependent Claim 32 words
An article according to any of claims 1-6, in which the means for terminating comprises a recoverable driver member, exhibiting a recovery force per unit area greater than that of said fabric.
Claim 10
Dependent Claim 20 words
An article according to any of claims 1-6, in which the means for terminating comprises an electrically conductive sealing material.
Claim 11
Dependent Claim 20 words
An article according to claim 9, in which said sealing material comprises a solder, heat-softenable sealant or a hot-melt adhesive.
Claim 12
Dependent Claim 37 words
An article according to claim 9, in which the sealing material is heat-activatable and the fabric is heat-recoverable, the activation temperature of the sealing material differing from the recovery temperature of the fabric by 20°C or less.
Claim 13
Dependent Claim 18 words
An article according to any preceding claim, in which said means for terminating is attached to the fabric.
Claim 14
Dependent Claim 21 words
An article according to claim 12, in which said means for terminating comprises solder woven, knitted or braided into the fabric.
Claim 15
Dependent Claim 17 words
An article according to claim 13, in which the solder is reinforced by a longitudinally extending reinforcement.
Claim 16
Dependent Claim 16 words
An article according to claim 14, in which the reinforcement comprises a braid over the solder.
Claim 17
Dependent Claim 13 words
An article according to claim 15, in which the braid is circumferentially heat-shrinkable.
Claim 18
Dependent Claim 24 words
An article according to any preceding claim, in which the fabric additionally comprises a laminate of a polymeric material, thereby rendering the fabric impervious.
Claim 19
Dependent Claim 39 words
An article according to any preceding claim, in which the fabric comprises first and second parts joined together by means which electrically connects together said conductive material of the first part with said conductive material of the second part.
Claim 20
Independent Claim 46 words
A method of screening an electrical component, which comprises: (a) positioning around the component a recoverable fabric having as a component thereof fibres comprising electrically conductive material; (b) electrically terminating said fibres to a screen; and (c) recovering the fabric to secure it around the component.
Claim 21
Independent Claim 46 words
A method of screening an electrical component, which comprises: (a) positioning around the component a recoverable fabric having as a component thereof fibres comprising electrically conductive material; (b) electrically terminating said fibres to a screen; and (c) recovering the fabric to secure it around the component.
Claim 22
Dependent Claim 40 words
A method according to claim 19, in which the fabric is heat-recoverable and has solder woven, knitted or braided therein and steps (b) and (c) comprise heating the fabric to cause activation of the solder and recovery of the fabric.
Claim 23
Dependent Claim 33 words
A method according to claim 27, in which the fabric has the form of a wrap-around sleeve and said method additionally comprises securing the sleeve in a wrapped- around configuration around the component.
Claim 24
Independent Claim 31 words
A method according to any of claims 19-21, in which recovery is carried out such that optical coverage of the fabric by the conductive material after recovery is at least 70%.
Claim 25
Independent Claim 44 words
A method according to any of claims 19-22, which additionally comprises holding towards one another first and second portions of the fabric by means which provides electrical connection between said conductive material of the first portion and said conductive material of the second portion.
Claim 26
Dependent Claim 54 words
An electrical system which comprises: (a) an electrical component; (b) a recoverable fabric around the electrical component, said fabric having as a component thereof fibres comprising electrically conductive material; and (c) an electrically insulating material positioned so as to isolate an electrically active part of said component from the conductive material of the fabric.
Claim 27
Dependent Claim 54 words
An electrical system which comprises: (a) an electrical component; (b) a recoverable fabric around the electrical component, said fabric having as a component thereof fibres comprising electrically conductive material; and (c) an electrically insulating material positioned so as to isolate an electrically active part of said component from the conductive material of the fabric.
Claim 28
Dependent Claim 20 words
A system according to claim 24, in which the-fabric is provided by an article according to any of claims 1-18.
Claim 29
Dependent Claim 16 words
A system according to claim 24 or 25, in which the electrical component comprises a cable.
Claim 30
Independent Claim 22 words
A system according to any of claims 24-26-,' in which the fabric is fabricated from its constituent fibres around the electrical component.
Claim 31
Dependent Claim 16 words
A system according to claim 24, in which the fabric is woven around the electrical component.
Claim 32
Dependent Claim 18 words
A fibre capable of being woven, knitted or braided and comprising solder and a longitudinally extending reinforcement therefor.
Claim 33
Dependent Claim 18 words
A fibre capable of being woven, knitted or braided and comprising solder and a longitudinally extending reinforcement therefor.
Claim 34
Dependent Claim 16 words
A fibre according to claim 29, in which the reinforcement comprises a braid around the solder.
Claim 35
Dependent Claim 13 words
A fibre according to claim 30, in which the braid is circumferentially heat-shrinkable.
Claim 36
Dependent Claim 19 words
A fibre according to claim 29, in which one reinforcement comprises a fibre around which the solder is twisted.
Claim 37
Dependent Claim 9 words
A fabric having solder woven, knitted or braided therein.
Claim 38
Dependent Claim 9 words
A fabric having solder woven, knitted or braided therein.
Claim 39
Dependent Claim 9 words
A fabric according to claim 33, whhich is recoverable.
Claim 40
Dependent Claim 27 words
A fabric according to claim 33 or 34, being capable of screening an electrical component and having as a component thereof fibres comprising an electrically conductive material.
Claim 41
Dependent Claim 21 words
A fabric accordng to claim 33,34 or 35, in which the solder comprises a fibre according to any of claims 29-32.

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