EP0949367A1 - Fil à base de mica et procédé de filature d'un tel fil - Google Patents
Fil à base de mica et procédé de filature d'un tel fil Download PDFInfo
- Publication number
- EP0949367A1 EP0949367A1 EP98870077A EP98870077A EP0949367A1 EP 0949367 A1 EP0949367 A1 EP 0949367A1 EP 98870077 A EP98870077 A EP 98870077A EP 98870077 A EP98870077 A EP 98870077A EP 0949367 A1 EP0949367 A1 EP 0949367A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mica
- product
- yarn
- reinforcement
- paper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000010445 mica Substances 0.000 title abstract 3
- 229910052618 mica group Inorganic materials 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 238000009987 spinning Methods 0.000 title abstract 2
- 239000002131 composite material Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/40—Yarns in which fibres are united by adhesives; Impregnated yarns or threads
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/16—Yarns or threads made from mineral substances
Definitions
- the present invention relates to a wire based mica, i.e. a wire made up of at least 50% of mica, and extends to a spinning process allowing to get such a thread.
- the invention extends in a complementary manner the use of such a product for all uses conventional yarn transformation, such as weaving, braiding, etc., in order to obtain essentially industrial products.
- mica belongs to the class of non-fibrous products. Spinning being defined as all fiber processing operations yarn textiles, mica is therefore not suitable, principle, to spinning operations.
- glass fibers including diameter is less than 3 ⁇ m and which are fibrillated are considered suspicious of being potentially dangerous to health.
- Mica particles have of course already been incorporated in very small proportion in products filaments such as knitting wool. The goal was in this case to create optical, aesthetic and decorative.
- the invention aims to provide a product new, which avoids the disadvantages described state-of-the-art products.
- the invention relates essentially to a mica-based product, and more specifically based on mica paper, in the form of a wire.
- mica-based means that the product contains at least 40%, and preferably at least 50%, by weight of mica.
- Mica is an aluminosilicate type phlogopite, muscovite or synthetic, or may be consisting of a mixture of these different compounds.
- mica paper The non-fibrous nature of mica opposing the direct production of a spinning, according to the invention that the mica is advantageously used in the form of a "mica paper".
- the notion of "mica paper” is good known, and means that mica, which is a natural product or synthetic is first put in the form of glitter and then transformed by papermaking techniques to form leaves. So it's not chemically cellulose-based paper.
- the product obtained can be cut under form of continuous ribbons.
- the amount of reinforcement used can be very variable.
- the joining of mica paper and reinforcement, either in the case of direct incorporation of this reinforcement in the mass of mica, either during the stratification, can be increased by the presence of a adhesive or a resin, in particular of the silicone type. Comes then the actual spinning operation, which is to twist this ribbon to the desired title value so to get a single wire.
- This single wire can then be transformed by all the classic techniques of the industry textile. It can for example be twisted with another thread of another nature or be implemented directly, either to form braids (strand braids, flat braids, etc.), either to form a fabric or a mesh product, according to classic textile techniques.
- Textile products obtained from this wire are suitable for a large number of industrial uses, allowing to take advantage of the intrinsic qualities of mica and in particular its electrical insulating properties and thermal as well as its fire resistance.
- the technique of the invention provides a new product with intrinsically large application possibilities, in particular application industrial.
- Such a wire lends itself to operations such as sizing and also dyeing using dyes or pigments.
- the invention extends therefore to all applications of the wire obtained involving its transformation according to textile techniques known from one skilled in the art.
- Mica being a non-fibrous mineral product and not harmful, is a potentially less product unsafe for food than those commonly used according to the state of the art, in particular asbestos.
- a ribbon 10 suitable for spinning a ribbon is prepared having a width of approximately 5 mm consisting of a mica 1 paper of 75 or 120 g / m 2 adhesive coated with a silicone resin (15 to 20% by weight) on a glass cloth 2.
- the mica constitutes minus 50% by weight.
- This mica is treated in a conventional way in spinning until obtaining a thread of a title of:
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Paper (AREA)
Abstract
Description
- fibres : de verre ou aramide, par exemple
- non tissés : feutres ou mats
- fils
- films, de polyester ou de polyéthylène, par exemple
- tissus, de verre ou de céramique
- résines résistant aux hautes températures, par exemple de type aramide ou silicone.
- La Figure 1
- représente une vue schématique d'un ruban destiné à la formation d'un fil à base de mica.
Claims (8)
- Produit à base de mica sous forme d'un fil.
- Produit selon la revendication 1, caractérisé en ce qu'il comporte au moins 40%, et de préférence au moins 50%, en poids de mica.
- Produit selon la revendication 1 ou 2, caractérisé en ce que le mica est mis en oeuvre sous forme d'un "papier de mica".
- Produit selon l'une quelconque des revendications précédentes, caractérisé en ce que le mica est constitué essentiellement de qualité phlogopite, muscovite ou synthétique ou d'un mélange de ces composés éventuellement associé à d'autres fibres.
- Procédé pour la production d'un produit selon l'une quelconque des revendications précédentes, caractérisé en ce que l'on forme un produit composite (10) formé d'un composé mica (1) et d'un renfort sous forme d'un ruban (2) qui est ensuite traité selon les techniques habituelles en filature.
- Procédé selon la revendication 5, caractérisé en ce que le renfort est constitué par un tissu de verre solidarisé à un papier de mica pour former le produit composite.
- Procédé selon la revendication 5, caractérisé en ce que le renfort est incorporé dans un papier de mica pour former le produit composite.
- Utilisation du produit selon l'une quelconque des revendications 1 à 4, ou du produit obtenu par le procédé selon l'une quelconque des revendications 5 à 7, soit seul, soit en combinaison avec des fils d'une autre nature pour former des tresses ou des produits textiles.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP98870077A EP0949367A1 (fr) | 1998-04-08 | 1998-04-08 | Fil à base de mica et procédé de filature d'un tel fil |
| AU31327/99A AU3132799A (en) | 1998-04-08 | 1999-04-07 | Mica based yarn and method for spinning same |
| PCT/BE1999/000047 WO1999053124A1 (fr) | 1998-04-08 | 1999-04-07 | Fil a base de mica et procede de filature d'un tel fil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP98870077A EP0949367A1 (fr) | 1998-04-08 | 1998-04-08 | Fil à base de mica et procédé de filature d'un tel fil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP0949367A1 true EP0949367A1 (fr) | 1999-10-13 |
Family
ID=8237022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98870077A Withdrawn EP0949367A1 (fr) | 1998-04-08 | 1998-04-08 | Fil à base de mica et procédé de filature d'un tel fil |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0949367A1 (fr) |
| AU (1) | AU3132799A (fr) |
| WO (1) | WO1999053124A1 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001098434A1 (fr) | 2000-06-21 | 2001-12-27 | Compagnie Royale Asturienne Des Mines S.A. | Barriere de protection |
| EP1205529A1 (fr) * | 2000-11-13 | 2002-05-15 | COMPAGNIE ROYALE ASTURIENNE DES MINES, Société Anonyme | Protection antifeu à base de mica appliquée à l'aéronautique |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB386637A (en) * | 1930-04-17 | 1933-01-19 | British Celanese | Improvements in or relating to staple fibres |
| GB1415688A (en) * | 1972-11-06 | 1975-11-26 | Lurex Bv | Metallic yarn |
| DE4215177A1 (de) * | 1992-05-08 | 1993-11-11 | Ebert Gerd | Nähfaden, hiermit vernähtes Flächengebilde sowie Verfahren zur Herstellung einer spritzwasserdichten Naht |
| JPH068628A (ja) * | 1992-06-23 | 1994-01-18 | Pilot Ink Co Ltd | 熱変色性積層体およびこの積層体を製造する為に使用する組成物とシート |
-
1998
- 1998-04-08 EP EP98870077A patent/EP0949367A1/fr not_active Withdrawn
-
1999
- 1999-04-07 WO PCT/BE1999/000047 patent/WO1999053124A1/fr not_active Ceased
- 1999-04-07 AU AU31327/99A patent/AU3132799A/en not_active Abandoned
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB386637A (en) * | 1930-04-17 | 1933-01-19 | British Celanese | Improvements in or relating to staple fibres |
| GB1415688A (en) * | 1972-11-06 | 1975-11-26 | Lurex Bv | Metallic yarn |
| DE4215177A1 (de) * | 1992-05-08 | 1993-11-11 | Ebert Gerd | Nähfaden, hiermit vernähtes Flächengebilde sowie Verfahren zur Herstellung einer spritzwasserdichten Naht |
| JPH068628A (ja) * | 1992-06-23 | 1994-01-18 | Pilot Ink Co Ltd | 熱変色性積層体およびこの積層体を製造する為に使用する組成物とシート |
Non-Patent Citations (1)
| Title |
|---|
| PATENT ABSTRACTS OF JAPAN vol. 18, no. 206 (M - 1591) 12 April 1994 (1994-04-12) * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001098434A1 (fr) | 2000-06-21 | 2001-12-27 | Compagnie Royale Asturienne Des Mines S.A. | Barriere de protection |
| US7658983B2 (en) | 2000-06-21 | 2010-02-09 | Cogebi Societe Anonyme | Protective barrier |
| US8173556B2 (en) | 2000-06-21 | 2012-05-08 | Cogebi Societe Anonyme | Protective barrier |
| EP1205529A1 (fr) * | 2000-11-13 | 2002-05-15 | COMPAGNIE ROYALE ASTURIENNE DES MINES, Société Anonyme | Protection antifeu à base de mica appliquée à l'aéronautique |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1999053124A1 (fr) | 1999-10-21 |
| AU3132799A (en) | 1999-11-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 19980415 |
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| AK | Designated contracting states |
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| AX | Request for extension of the european patent |
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| AKX | Designation fees paid |
Free format text: BE CH FR LI |
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| REG | Reference to a national code |
Ref country code: DE Ref legal event code: 8566 |
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| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: COMPAGNIE ROYALE ASTURIENNE DES MINES, SOCIETE ANO |
|
| 17Q | First examination report despatched |
Effective date: 20020719 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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| 18D | Application deemed to be withdrawn |
Effective date: 20030304 |