Patent EP0117737A2 successfully refreshed from Google Patents.
EP0117737A2
Expired / Lapsed
EP
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Curable fabric
Assignee: Raychem Ltd
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Filing: 1984-02-24
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Granted: —
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Expires: 2004-02-24
Abstract
Abstract Curable fabric comprising first and second curing reactants, at least one of which is in the form of a fabric member, the fabric having a web density greater than a specified limit in order to achieve desired level of cure.
Inventors
- 👤 Richard James Harris
- 👤 Kenneth Brian Pithouse
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-26 14:08
CPC Classifications
D; D04; D04H; D04H3/00; D04H3/002; D04H3/004; B; B29; B29C; B29C61/00; B29C61/06; B29C61/0608; B29C61/0633; D04H1/00; D04H1/40; D04H1/42; D04H1/4209; D04H1/4218; D04H1/4326; D04H1/4334; D04H1/435; D04H1/58; D04H1/64; D04H3/005; D04H3/009; D04H3/011; D04H3/08; D04H3/12
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
55 words
A curable fabric comprising at least first and second components of a curable composition which can be cured by reaction together of the first and second components, at least the first component being in the form of fabric members incorporated in the fabric and the fabric web density being at least 250 g/m 2 .
Claim 2
Dependent Claim
55 words
A curable fabric comprising at least first and second components of a curable composition which can be cured by reaction together of the first and second components, at least the first component being in the form of fabric members incorporated in the fabric and the fabric web density being at least 250 g/m 2 .
Claim 3
Dependent Claim
81 words
A curable fabric comprising at least first and second components of a curable composition which can be cured by reaction together of the first and second components, at least the first component being in the form of fabric members incorporated in the fabric and the components having a reactivity such that more than 20% gel is produced when the components alone are heated together for 15 minutes at 150°C and the fabric web density being at least 100 g/m 2 .
Claim 4
Dependent Claim
81 words
A curable fabric comprising at least first and second components of a curable composition which can be cured by reaction together of the first and second components, at least the first component being in the form of fabric members incorporated in the fabric and the components having a reactivity such that more than 20% gel is produced when the components alone are heated together for 15 minutes at 150°C and the fabric web density being at least 100 g/m 2 .
Claim 5
Dependent Claim
18 words
A fabric according to claim 2, wherein the reactivity is such that at least 30% gel is produced
Claim 6
Dependent Claim
27 words
A fabric according to Claim 1 or 2, wherein both of the first and second components are in the form of fabric members incorporated in the fabric.
Claim 7
Dependent Claim
28 words
A fabric according to any of the preceding claims, wherein the fabric web density is within the range from 250g/m 2 to 5 00 g /m 2 .
Claim 8
Dependent Claim
29 words
A fabric according to any of claims 1 to 4, wherein the fabric web density is within the range from 750g/m 2 to 1 500 g /m 2 .
Claim 9
Dependent Claim
23 words
A fabric according to any of the preceding claims, wherein at least some of the fabric members incorporate both of the said components.
Claim 10
Dependent Claim
28 words
A fabric according to any of the preceding claims, wherein at least some of the fabric members incorporate a strengthening filament of material other than the said components.
Claim 11
Dependent Claim
84 words
A fabric according to any of the preceding claims, wherein the adhesive composition comprises: (a) a thermoplastic polyamide having reactive amine groups; (b) a thermoplastic copolymer of an alkene with an ethylenically unsaturated ester of an alkanol and a carboxylic acid, the ester having up to 6 carbon atoms, and optionally one or more acidic comonomers; and (c) a thermoplastic epoxy resin; ' at least one of the components (a), (b) and (c) being in the form of fabric members incorporated in the fabric.
Claim 12
Dependent Claim
47 words
A fabric according to Claim 9, wherein components (a) and (b) are present in a ratio of from 35:65 to 75:25 by weight and component (c) is present in an amount of from 8 to 79 parts per hundred parts of components (a) and (b) by weight.
Claim 13
Dependent Claim
27 words
A fabric according to any of the preceding claims, wherein one of the said components is a polyamide having an amine number of not more than 40.
Claim 14
Dependent Claim
34 words
A fabric as claimed in any of the preceding claims, wherein one of the reactive components comprises an epoxy resin and the other reactive component comprises a thermoplastic polyamide resin having free amine groups.
Claim 15
Dependent Claim
28 words
A fabric as claimed in any of the preceding claims, wherein each of the reactive components has a fusion temperature in the range of from 70 to 120°C.
Claim 16
Dependent Claim
39 words
A fabric as claimed in any of the preceding claims, wherein each of the reactive components has a fusion temperature that differs from the fusion temperature of the or each other reactive component by not more than 30 C°.
Claim 17
Dependent Claim
33 words
A fabric as claimed in any of the preceding claims, which fabric includes one or more non-reactive components, and has a softening temperature range which is greater than that of the reactive components.
Claim 18
Dependent Claim
24 words
A dimensionally recoverable article carrying on at least part of a surface thereof a fabric as claimed in any one of the preceding claims.
Claim 19
Dependent Claim
11 words
An article as claimed in Claim 17 which is dimensionally heat-recoverable.
Claim 20
Dependent Claim
31 words
An article as claimed in Claim 17, wherein each of the reactive components has a fusion temperature that is not more than 50 C° above the recovery temperature of the article.
Claim 21
Independent Claim
142 words
A method of enclosing at least part of a substrate, which comprises: (a) positioning thereon a dimensionally-recoverable article such that curable fabric is disposed between the article and substrate the fabric comprising at least first and second components of an adhesive composition which can be cured by reaction together of the first and second components and at least the first component being in the form of a fabric member incorporated in the fabric and the web density of the fabric between the article and the substrate being 2 2 at least 250g/m , or at least 100g/m 2 when the components are sufficiently reactive to produce more than 20% gel when the components above are heated-together for 15 minutes at 150°C; and (b) recovering the article about the substrate and heating the fabric to fuse the said components, thus curing the fabric.
Claim 22
Independent Claim
142 words
A method of enclosing at least part of a substrate, which comprises: (a) positioning thereon a dimensionally-recoverable article such that curable fabric is disposed between the article and substrate the fabric comprising at least first and second components of an adhesive composition which can be cured by reaction together of the first and second components and at least the first component being in the form of a fabric member incorporated in the fabric and the web density of the fabric between the article and the substrate being 2 2 at least 250g/m , or at least 100g/m 2 when the components are sufficiently reactive to produce more than 20% gel when the components above are heated-together for 15 minutes at 150°C; and (b) recovering the article about the substrate and heating the fabric to fuse the said components, thus curing the fabric.
Claim 23
Dependent Claim
53 words
A non-woven curable fabric comprising at least first and second components of a curable composition which can be cured by reaction together of the first and second components, at least the first components being in the form of a fabric member, the non-woven fabric being supported by a support member of polymeric material.
Claim 24
Dependent Claim
53 words
A non-woven curable fabric comprising at least first and second components of a curable composition which can be cured by reaction together of the first and second components, at least the first components being in the form of a fabric member, the non-woven fabric being supported by a support member of polymeric material.
Claim 25
Dependent Claim
22 words
A fabric according to claim 22, wherein the non-woven fabric includes a binder in addition to the first and second reactive components.
Claim 26
Dependent Claim
19 words
A fabric according to claim 22 or 23, wherein the support member is an open mesh of polymeric material.
Claim 27
Dependent Claim
19 words
A fabric according to claim 24, wherein the mesh is on one or both main surfaces of the fabric.
References Cited (Backward Citations)
No citation records indexed.
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