Patent EP0116390A2 successfully refreshed from Google Patents.
EP0116390A2
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Method of an article for enclosing a contoured object
Assignee: Raychem Ltd
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Filing: 1984-01-05
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Granted: —
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Expires: 2004-01-05
Abstract
Abstract A recoverable article comprises a fabric having zones of different or uniformly varying recovery forces or ratios. The fabric can be made impervious and used for environmental protection.
Inventors
- 👤 Kenneth Brian Pithouse
- 👤 Thomas Andrew Kridl
- 👤 James Thomas Triplett
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-02 22:18
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; B29D23/003; B29D23/008; H; H02; H02G; H02G15/00; H02G15/08; H02G15/18; B29C; B29C61/00; B29C61/06; B29C61/0608; B29C61/0616; B29C61/0633; B29C61/0658; B29C63/00; B29C63/38; B29C63/42; B29C65/00; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/50; B29C66/51; B29C66/53; B29C66/532; B29C66/5326; B29C66/70; B29C66/73; B29C66/737; B29C66/7371; B29C66/73715; B29C66/90; B29C66/91; B29C66/912; B29C66/9121; B29C66/91211; B29C66/91218; B29C66/91221; B29C66/914; B29C66/9141; B29C66/91411; B32; B32B; B32B27/00; B32B27/12; D; D03; D03D; D03D1/00; D03D1/0035; D03D1/0043; F; F16; F16L; F16L47/00; F16L47/20; F16L47/22; H02G15/1806; H02G15/1813; B29C61/0666; B29C2061/0683; B29C2793/00; B29C2793/0081; B29C57/00; B29C65/56; B29C65/62; B29C66/13; B29C66/131; B29C66/1312; B29C66/52; B29C66/526; B29C66/5261; B29C66/71; B29C66/72; B29C66/723; B29C66/7232; B29C66/72321; B29C66/72327; B29C66/72328; B29C66/7234; B29C66/72341; B29C66/72343; B29C66/729; B29C66/7294; B29C66/919; B29K; B29K2313/00; B29K2995/00; B29K2995/0037; B29K2995/0049; Y; Y10; Y10S; Y10S174/00; Y10S174/08; Y10T; Y10T428/00; Y10T428/13; Y10T428/131; Y10T428/1314; Y10T428/1328; Y10T428/1331
Claims Analysis
Total Claims: 35
Claim 1
Independent Claim
48 words
A method of enclosing a contoured substrate which comprises: installing around the object a recoverable fabric having zones of different or uniformly varying recovery ratios or forces or installed modulus whose arrangement corresponds to the contours of the object; and recovering the fabric into engagement with the object.
Claim 2
Independent Claim
48 words
A method of enclosing a contoured substrate which comprises: installing around the object a recoverable fabric having zones of different or uniformly varying recovery ratios or forces or installed modulus whose arrangement corresponds to the contours of the object; and recovering the fabric into engagement with the object.
Claim 3
Dependent Claim
33 words
A method according to claim 1, in.which the fabric has the form of a wrap-around sleeve, which method additionally comprises securing the sleeve in a wrap-around configuration after its installation around the object.
Claim 4
Dependent Claim
27 words
A method according to claim 1 or 2 in which the fabric has a surface which is substantially developable before recovery but is not developable after recovery.
Claim 5
Independent Claim
64 words
A method of enclosing a splice between cables where the splice has a larger diameter than the cables, which comprises: surrounding the splice with a recoverable fabric having radial shrinkage and a ratio between the recovery ratios at end portions and at a central portion thereof which corresponds to the ratio between the size of the: splice and the cables; and recovering the fabric.
Claim 6
Independent Claim
64 words
A method of enclosing a splice between cables where the splice has a larger diameter than the cables, which comprises: surrounding the splice with a recoverable fabric having radial shrinkage and a ratio between the recovery ratios at end portions and at a central portion thereof which corresponds to the ratio between the size of the: splice and the cables; and recovering the fabric.
Claim 7
Independent Claim
100 words
A method of enclosing a junction between elongate substrates, which comprises: (a) installing around the junction a relatively rigid liner having a central region of larger cross-section, and end regions of smaller cross-section which provide transitions from the central region to the substrates and which locate the liner with respect to the substrate; (b) installing around the liner a sleeve comprising a recoverable fabric having zones of different or uniformly varying recovery ratios which correspond to the central and end regions of the liner ;and (c) recovering the fabric into engagement with the substrates at each side of the junction.
Claim 8
Independent Claim
100 words
A method of enclosing a junction between elongate substrates, which comprises: (a) installing around the junction a relatively rigid liner having a central region of larger cross-section, and end regions of smaller cross-section which provide transitions from the central region to the substrates and which locate the liner with respect to the substrate; (b) installing around the liner a sleeve comprising a recoverable fabric having zones of different or uniformly varying recovery ratios which correspond to the central and end regions of the liner ;and (c) recovering the fabric into engagement with the substrates at each side of the junction.
Claim 9
Dependent Claim
42 words
A recoverable article suitable for enclosing a contoured substrate and comprising a recoverable fabric having zones of different or uniformly varying recovery ratios or forces, such that on recovery the volume enclosed by the fabric changes shape to conform to the substrate.
Claim 10
Dependent Claim
42 words
A recoverable article suitable for enclosing a contoured substrate and comprising a recoverable fabric having zones of different or uniformly varying recovery ratios or forces, such that on recovery the volume enclosed by the fabric changes shape to conform to the substrate.
Claim 11
Dependent Claim
27 words
An article according to Claim 6, in which the fabric is woven from recoverable polymeric warp fibres, the warp frame comprising zones of fibres of different recovery.
Claim 12
Dependent Claim
14 words
An article according to Claim 7 in which the fibres are cross-linked before weaving.
Claim 13
Dependent Claim
27 words
An article according to Claim 6, in which the fabric is a plain weave, a twill, a satin, or a braid, a knit or a non-woven fabric.
Claim 14
Dependent Claim
21 words
An article according to Claim 9, in which the fabric is a weave having substantially heat-stable weft, or substantially heat-stable warp.
Claim 15
Dependent Claim
26 words
An article according to any of claims 6-10, in which the surface of the fabric is substantially developable before recovery and is not developable after recovery.
Claim 16
Dependent Claim
22 words
An article according to any of claims 6 -11, in which the fabric contains glass fibres or fibres of an aromatic polyamide.
Claim 17
Dependent Claim
33 words
13 An article according to any of claims 6 -12, in which the fabric is rendered substantially impervious by means of a polymeric material adhered to at least one surface of the fabric.
Claim 18
Dependent Claim
27 words
An article according to any of claims 6-13,, in which the fabric is rendered substantially impervious by means of a polymeric matrix through which the fabric extends.
Claim 19
Dependent Claim
30 words
An article according to any of claims 6 -14, which additionally comprises a liner having a central tubular portion and end portions of generally frusto- conical shape when in use.
Claim 20
Dependent Claim
37 words
An article according to Claim 15, in which the liner comprises a layer of material which can be wrapped around the substrate and which has crowned end regions by means of which the transitions can be produced.
Claim 21
Dependent Claim
18 words
An article according to any of claims 6-18, in which the fabric is a sleeve having radial shrinkage.
Claim 22
Dependent Claim
27 words
An article according to claim 17, in which the recovery ratios at end portions of the sleeve are greater than the recovery ratio at a central portion.
Claim 23
Dependent Claim
66 words
An article according to any of claims 6 -18, which additionally comprises at least one auxiliary member which can be interposed between the fabric -"― and the substrate and so positioned as to be able to be deformed by forces generated by pressure within the article so that one portion of the member is forced against the fabric and another portion is forced against the substrate.
Claim 24
Dependent Claim
42 words
An article according to any of claims 6-19, capable of sealing a branch-off between at least two substrates, and which additionally comprises means for holding together circumferentially spaced portions of the fabric to close at least partially the branch-off between the substrates.
Claim 25
Dependent Claim
20 words
An article according to Claim 20, in which the means for holding is a clip having at least two legs.
Claim 26
Dependent Claim
20 words
An article according to any of claims 6-21, in which the fabric has an internal coating of a heat-activatable adhesive.
Claim 27
Dependent Claim
14 words
An article according to any of claims 6-22, in which the fabric is heat-recoverable.
Claim 28
Dependent Claim
39 words
An article according to any preceding claim, in which the cover portion has a temperature indicating composition on an external surface which changes colour indicating recovery of the fabric or activation of an internal coating of a heat-activatable adhesive.
Claim 29
Dependent Claim
19 words
An article according to any of claims 6-24, in which the fabric has the form of a wrap-around sleeve.
Claim 30
Dependent Claim
22 words
An article according to Claim 6, substantially as herein described with reference to the foregoing example, or any of the accompanying drawings.
Claim 31
Dependent Claim
20 words
An elongate substrate or a junction between elongate substrates when enclosed by an article according to any of claims 6-26.
Claim 32
Dependent Claim
19 words
A substrate or a junction according to Claim 27, in which the or each substrate is a electrical cable.
Claim 33
Dependent Claim
21 words
A substrate or a junction according to Claim 27 or 28 in which the or each substrates is a telecommunications cable.
Claim 34
Dependent Claim
17 words
A substrate or a junction according to Claim 29, in which the cable is a pressurised cable.
Claim 35
Dependent Claim
27 words
A substrate or junction according to claim 27, in which the or each substrate is a pipe, such as a gas pipe, water pipe or oil pipe.
References Cited (Backward Citations)
No citation records indexed.
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