CA1049279A - Fire-safe composite fibre product - Google Patents
Fire-safe composite fibre productInfo
- Publication number
- CA1049279A CA1049279A CA219,335A CA219335A CA1049279A CA 1049279 A CA1049279 A CA 1049279A CA 219335 A CA219335 A CA 219335A CA 1049279 A CA1049279 A CA 1049279A
- Authority
- CA
- Canada
- Prior art keywords
- product
- fire
- fibres
- fibre
- organic
- 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.)
- Expired
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0009—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using knitted fabrics
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Laminated Bodies (AREA)
- Woven Fabrics (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Knitting Of Fabric (AREA)
Abstract
Inventor: ERIK WILHELM WALLIN
Title: FIRE-SAFE COMPOSITE FIBRE
PRODUCT
Abstract Fire-resistant composite fibre product comprising a knitted fibre product having a stretch-ability at about 5 kp tensile stress per 1000 mms linearly of at least about 2 % and being composed of fibres of a fire-resistant inorganic material and fibres of an organic material, the product being such that the inorganic part and the organic part independently in the absence of the other part form coherent stitches. The invention also provides fpr preparing such product, comprising knitting starting from a fibre material composed of a fire-resistant inorganic material and an organic material, the knitting being carried out starting from several warps, of which at least one consists of fibres of a fire-resistant inorganic material and at least one of the others consists of fibres of an organic material, or starting from a yarn composed as indicated, respectively.
Title: FIRE-SAFE COMPOSITE FIBRE
PRODUCT
Abstract Fire-resistant composite fibre product comprising a knitted fibre product having a stretch-ability at about 5 kp tensile stress per 1000 mms linearly of at least about 2 % and being composed of fibres of a fire-resistant inorganic material and fibres of an organic material, the product being such that the inorganic part and the organic part independently in the absence of the other part form coherent stitches. The invention also provides fpr preparing such product, comprising knitting starting from a fibre material composed of a fire-resistant inorganic material and an organic material, the knitting being carried out starting from several warps, of which at least one consists of fibres of a fire-resistant inorganic material and at least one of the others consists of fibres of an organic material, or starting from a yarn composed as indicated, respectively.
Description
1049Z~79 The present inventlon refers ~o a rire-safe comp~site fibre product for use as tentered inner wall cover, in suspended ceilings or the l~ke. The inventlon also re~ers t~ a process ~or the preparati~n ~f such a ribre product.
During the last ~ew years the building technlque has ~een developed in such a way that interior ceiling and wall covers are arranged as tentered layers Or materials which are prefabricated in advance. Thus, at the present time foil materials for mounting suspended ceillng~ or as wall covers are used, and this new art results, o~ course, ln ~ignificantly facilitated rationalization in ~inalizing bulldings and also lowers the cost.
The requirements put on these types of building materials are primarily that they shall possess a certain stretchability, so that tentering or mounting ~s made posslble to the formation of planar surfaces free from wrinkles. Moreover, it is of course an essential requirement that the product shows sufficient degree of fire-resistance, J~
B 20 so that ~S in case of fire or other form of heatin4~is not destroyed by fire or falls down in view of heat as smaller or larger sheet~ thereby causlng different damages, such as burns, on persons staying at the place on the occasion in question.
Foil materials sf dirferent kinds are known, particularly for use in suspended ceilings, and in the last few years ~oil materials have been developed containing a reinf~rcement of fire-resistant materials, for instance glass fibres. However, it is in practice difficult to prepare reinforced foil materials which fulfil the fire-safety
During the last ~ew years the building technlque has ~een developed in such a way that interior ceiling and wall covers are arranged as tentered layers Or materials which are prefabricated in advance. Thus, at the present time foil materials for mounting suspended ceillng~ or as wall covers are used, and this new art results, o~ course, ln ~ignificantly facilitated rationalization in ~inalizing bulldings and also lowers the cost.
The requirements put on these types of building materials are primarily that they shall possess a certain stretchability, so that tentering or mounting ~s made posslble to the formation of planar surfaces free from wrinkles. Moreover, it is of course an essential requirement that the product shows sufficient degree of fire-resistance, J~
B 20 so that ~S in case of fire or other form of heatin4~is not destroyed by fire or falls down in view of heat as smaller or larger sheet~ thereby causlng different damages, such as burns, on persons staying at the place on the occasion in question.
Foil materials sf dirferent kinds are known, particularly for use in suspended ceilings, and in the last few years ~oil materials have been developed containing a reinf~rcement of fire-resistant materials, for instance glass fibres. However, it is in practice difficult to prepare reinforced foil materials which fulfil the fire-safety
-2- ~
requirements at the same time as they possess a sufficient stretch.
The present invention relates to providing a product useful for the above purposes, the product inherently combining sufficient stretchability and fire-resistance and being, moreover, possible to manufacture in a simple and economical manner.
A material that seems to be able to fulfil said requirements would be a knitted product madeof a reractory inorganic material, for instance glass fibres. However, when trying to prepare such a product it is found that the knitting is difficult to carry out with such a type of fibres and, moreover, the final product does not allow handling in the usual way in view of the low knot strength. Thus, this type of fibre product does not seem to be possible to prepare and use in practice.
In accordance with the teaching of the instant invention it has now surprisingly been found that a knitted fibre product having improved handling characteristics and enabling manufacture in a simple manner can be prepared starting from fibres of a fire-resistant and inorganic material in combina-tion with fibres of an organic material.
The invention provides fire-resistant composite fibre product for use as tentered inner-wall cover, as ceiling or the like, comprising a knitted fibre product having a stretchability at about 5kp tensile stress per 1000 mms linearly of at least about 2% and being composed of fibres of a fire-resistant inorganic material and fibres of an organic material, the product being such that the inorganic part and the organic part individually form coherent stitches.
Even if the organic part of the product is relatively small from the point of view of weight it has been found that the product may be knitted in a conventional manner and that the material obtained can be handled with-ou~ drawbacks in the form of rupture of the product.
From another aspect, the invention comprises a process for the preparation of such a composite fibre product comprising knitting together several warps of organic material and fire-resistant inorganic material. As noted above, the inorganic part and the organic part thereof form coherent , ~ stitches.
~49Z79 This results in the favourable condition that on the one hand~ even if there is a rupture in the inorganic material, the fibre product is still coherent, whereas on the other hand, ~f the organic part is destroyed, for instance by heating, the fibre product also still is coherent. This desirable characteristlc of the fibre product of the invention may in principle be obtained in two different ways~ Firstly, the product may be prepared from a thread composed of desired fire-resistant inorganic material and organic fibre material in combination. Secondly, the product may be manufactured by co-knittingJ for instance by co-knitting of at least two warps, one warp being constituted by inorganic material and at least one further warp being constituted of organic material. Both these ways of preparing the fibre product result in a material, in which the inorganic part and the organic part function independently of each other to the formation of coherent stitches.
The proportion of fire-resistant material of the fibre product of this invention is preferably about 20-99 per cent by weight. The upper limlt of this range may ; seem high, but from the point of view of volume the figure 99 per cent by weight corresponds to a significant proportion of organic material. The inorganic fibre material may consist of glass, carbon, boron, metal, etc. The organic part of the fibre product may be based on synthetic fibres, for instance polyester, polyamide, polyvinyl chloride, acrylic and poly-urethane fibres.
The material according to the instant invention may take the form of a fire-safe plastic or rubber foil containing a reinforcement consisting of the fibre product described a~ove, 2n this case the re~n~orcement ma~ be cast into the foil or co~laminated with the foi~l, In the latter case the lamin~te ma~ consist of two plastic or rubber layers, between which the reinforce~ent is arranged, In order to obtain weldabilit~, for instance by means of high frequent current or of supersonic energy, of the ~re product of the invention when present in an unlaminated state~ the product should contain at least about 65 per cent by weight of organic material, for instance a polyamide, By using the fibre product according to the invention as sueh or in laminated state when tentering inner walls or ceiling, the desirable state is obtained that in case of fire or other heating the fire~resistant inorganic part of the product remains intact and forms a remaining coherent layer preventing the material from falling down in larger or smaller sheets, The fibre material of the invention shows in view of the way of preparation an essential stretchability enabling simplified tentering to the formation of planar and even surfaces, The material should preferably be stretchable in all directions, which i8 the case with preferred embodiments of the product according to this inventlon, The invention also refers to a process for the preparation of the flbre product of the invention, and this process comprises knitting starting from a fibre material composed of a fire.-resistant inorganic material and an organic material, The knitting may be carried out starting from a composite yarn as indicated or starting from several warps, of which at least one consists of fibres of a fire~resistant inorganic material and at least one of the others consists of fibres of an organic materlal~
The accompanying drawing illustrates, by way of example only, an enlarged view of a composite fibre product in accordance with the invention, The product is composed of glass fibres 2, and polyamide fibres 1, the latter being coloured black to be distinguishable from the glass fibres, and each - type of fibre forming coherent stitches, The invention will in the following be further illustrated by non-limiting examples.
~ 5 Example 1, The present invent~on refe~s to a co~kn~tted p~duct, i.e, a warp knit fabr~c, s~ita~ly ~or use in suspended ce~lings ~n laminated statel namel~ a product o~tained ~ co~knitting o~ one warp Qf glass fi~res and one warp of polyamide fibres, The stitching is carried out on a 14 ggs (gauges) Kettenstuhl, of the type Karl Mayer AG (Germany West~ ~ binding double~knit fabric Ll 10/12, L2 12/10 (L = guide bar), The material of the warp for Ll constituting 92 per cent by weight of the co-knitted product consists of glass fibres from Owens Corning (USA), size 225 dTex (deciTex). The material of the warp for L2 constituting 8 per cent by weight of the co-knitted product consists of polyamide Nylon 6.6, 1~ filaments, spinning textured yarn, from ICI (Great Britain), size 44 dTex.
The weight of the product obtained is about 100 g/m2 and the web wldth is 1600 mms, After the stitching finishing in the form of washing and setting is carried out.
The stretchability of the material is as follows:
Unlaminated product, lengthwise: >30% at a load of 5 kp/lOOQ mms cross-wise: >30% at a load of 5 kp~1000 mms Laminated product, lengthwise: about 2.5% at a load of 5 kpllOOO mms cross-wise: about 2% at a load of 5 kp/1000 mms 3a The lamination is carried out according to example 4 below by means of plasticized PVC to a total weight of about 300 g/m2.
Exam~le 2.
The present example refers to a co-knitted product, i.e. a warp knit fabricJ suitable as a wall cover and made of one warp of glass fibres and two warps of poly-amide fibres. The stitching is carried out on a 200 ggs Kettenstuhl, of the type Karl Mayer AG, and the bindings were the following~
binding Ll 10/23 The warp for Ll constituting 74 per cent by weight of the co-knitted product is based on 225 dTex glass fibres from Owens Corning. The warps for L2 and L3 constituting 26 per cent by weight of the final product are based on 110 dTex polyamide, Nylon 6.6, 34 ~ilaments, untextured yarn from ICI.
The weight of the product obtained is about 270 g/m2 and the web width 2500 mms. After the stitching finishing in the form of washing and setting is carrled out.
The stretchability of the material is as follows.
Uncoated product, length-wise. 30% at a load of 5 kp/1000 mms.
cross-wiseo 30~ at a load of 5 kp/1000 mms.
Example 3.
The present example refers to a co-knitted product, i.e. a weft knit product, suitable as a wall cover and prepared by plain knitting with plaiting while using a doubled yarn composed of glass fibre thread and a polyamide 1~49Z79 thread according to Example 1. The plain stitching was carried out on a single bed circular knitting machine of the type Camber with ~6 systems.
The weft knit fabric obtained, constituted of 92 per cent of weight of glass fibre and 8 per cent by weight of polyamide, possesses characteristics largely corresponding to those of the warp knit fabric according to Example 1. The way of stitching with plaiting, i.e. using that the feature indicated above, a yarn composed of glass fibres and polyamide fibresJ mean~/
that the inorganic part and the organic part function independent o~ each other to the formation of coherent stitches is obtained in an effective manner.
Example 4.
For lamination, the product of Example 1, 2 or
requirements at the same time as they possess a sufficient stretch.
The present invention relates to providing a product useful for the above purposes, the product inherently combining sufficient stretchability and fire-resistance and being, moreover, possible to manufacture in a simple and economical manner.
A material that seems to be able to fulfil said requirements would be a knitted product madeof a reractory inorganic material, for instance glass fibres. However, when trying to prepare such a product it is found that the knitting is difficult to carry out with such a type of fibres and, moreover, the final product does not allow handling in the usual way in view of the low knot strength. Thus, this type of fibre product does not seem to be possible to prepare and use in practice.
In accordance with the teaching of the instant invention it has now surprisingly been found that a knitted fibre product having improved handling characteristics and enabling manufacture in a simple manner can be prepared starting from fibres of a fire-resistant and inorganic material in combina-tion with fibres of an organic material.
The invention provides fire-resistant composite fibre product for use as tentered inner-wall cover, as ceiling or the like, comprising a knitted fibre product having a stretchability at about 5kp tensile stress per 1000 mms linearly of at least about 2% and being composed of fibres of a fire-resistant inorganic material and fibres of an organic material, the product being such that the inorganic part and the organic part individually form coherent stitches.
Even if the organic part of the product is relatively small from the point of view of weight it has been found that the product may be knitted in a conventional manner and that the material obtained can be handled with-ou~ drawbacks in the form of rupture of the product.
From another aspect, the invention comprises a process for the preparation of such a composite fibre product comprising knitting together several warps of organic material and fire-resistant inorganic material. As noted above, the inorganic part and the organic part thereof form coherent , ~ stitches.
~49Z79 This results in the favourable condition that on the one hand~ even if there is a rupture in the inorganic material, the fibre product is still coherent, whereas on the other hand, ~f the organic part is destroyed, for instance by heating, the fibre product also still is coherent. This desirable characteristlc of the fibre product of the invention may in principle be obtained in two different ways~ Firstly, the product may be prepared from a thread composed of desired fire-resistant inorganic material and organic fibre material in combination. Secondly, the product may be manufactured by co-knittingJ for instance by co-knitting of at least two warps, one warp being constituted by inorganic material and at least one further warp being constituted of organic material. Both these ways of preparing the fibre product result in a material, in which the inorganic part and the organic part function independently of each other to the formation of coherent stitches.
The proportion of fire-resistant material of the fibre product of this invention is preferably about 20-99 per cent by weight. The upper limlt of this range may ; seem high, but from the point of view of volume the figure 99 per cent by weight corresponds to a significant proportion of organic material. The inorganic fibre material may consist of glass, carbon, boron, metal, etc. The organic part of the fibre product may be based on synthetic fibres, for instance polyester, polyamide, polyvinyl chloride, acrylic and poly-urethane fibres.
The material according to the instant invention may take the form of a fire-safe plastic or rubber foil containing a reinforcement consisting of the fibre product described a~ove, 2n this case the re~n~orcement ma~ be cast into the foil or co~laminated with the foi~l, In the latter case the lamin~te ma~ consist of two plastic or rubber layers, between which the reinforce~ent is arranged, In order to obtain weldabilit~, for instance by means of high frequent current or of supersonic energy, of the ~re product of the invention when present in an unlaminated state~ the product should contain at least about 65 per cent by weight of organic material, for instance a polyamide, By using the fibre product according to the invention as sueh or in laminated state when tentering inner walls or ceiling, the desirable state is obtained that in case of fire or other heating the fire~resistant inorganic part of the product remains intact and forms a remaining coherent layer preventing the material from falling down in larger or smaller sheets, The fibre material of the invention shows in view of the way of preparation an essential stretchability enabling simplified tentering to the formation of planar and even surfaces, The material should preferably be stretchable in all directions, which i8 the case with preferred embodiments of the product according to this inventlon, The invention also refers to a process for the preparation of the flbre product of the invention, and this process comprises knitting starting from a fibre material composed of a fire.-resistant inorganic material and an organic material, The knitting may be carried out starting from a composite yarn as indicated or starting from several warps, of which at least one consists of fibres of a fire~resistant inorganic material and at least one of the others consists of fibres of an organic materlal~
The accompanying drawing illustrates, by way of example only, an enlarged view of a composite fibre product in accordance with the invention, The product is composed of glass fibres 2, and polyamide fibres 1, the latter being coloured black to be distinguishable from the glass fibres, and each - type of fibre forming coherent stitches, The invention will in the following be further illustrated by non-limiting examples.
~ 5 Example 1, The present invent~on refe~s to a co~kn~tted p~duct, i.e, a warp knit fabr~c, s~ita~ly ~or use in suspended ce~lings ~n laminated statel namel~ a product o~tained ~ co~knitting o~ one warp Qf glass fi~res and one warp of polyamide fibres, The stitching is carried out on a 14 ggs (gauges) Kettenstuhl, of the type Karl Mayer AG (Germany West~ ~ binding double~knit fabric Ll 10/12, L2 12/10 (L = guide bar), The material of the warp for Ll constituting 92 per cent by weight of the co-knitted product consists of glass fibres from Owens Corning (USA), size 225 dTex (deciTex). The material of the warp for L2 constituting 8 per cent by weight of the co-knitted product consists of polyamide Nylon 6.6, 1~ filaments, spinning textured yarn, from ICI (Great Britain), size 44 dTex.
The weight of the product obtained is about 100 g/m2 and the web wldth is 1600 mms, After the stitching finishing in the form of washing and setting is carried out.
The stretchability of the material is as follows:
Unlaminated product, lengthwise: >30% at a load of 5 kp/lOOQ mms cross-wise: >30% at a load of 5 kp~1000 mms Laminated product, lengthwise: about 2.5% at a load of 5 kpllOOO mms cross-wise: about 2% at a load of 5 kp/1000 mms 3a The lamination is carried out according to example 4 below by means of plasticized PVC to a total weight of about 300 g/m2.
Exam~le 2.
The present example refers to a co-knitted product, i.e. a warp knit fabricJ suitable as a wall cover and made of one warp of glass fibres and two warps of poly-amide fibres. The stitching is carried out on a 200 ggs Kettenstuhl, of the type Karl Mayer AG, and the bindings were the following~
binding Ll 10/23 The warp for Ll constituting 74 per cent by weight of the co-knitted product is based on 225 dTex glass fibres from Owens Corning. The warps for L2 and L3 constituting 26 per cent by weight of the final product are based on 110 dTex polyamide, Nylon 6.6, 34 ~ilaments, untextured yarn from ICI.
The weight of the product obtained is about 270 g/m2 and the web width 2500 mms. After the stitching finishing in the form of washing and setting is carrled out.
The stretchability of the material is as follows.
Uncoated product, length-wise. 30% at a load of 5 kp/1000 mms.
cross-wiseo 30~ at a load of 5 kp/1000 mms.
Example 3.
The present example refers to a co-knitted product, i.e. a weft knit product, suitable as a wall cover and prepared by plain knitting with plaiting while using a doubled yarn composed of glass fibre thread and a polyamide 1~49Z79 thread according to Example 1. The plain stitching was carried out on a single bed circular knitting machine of the type Camber with ~6 systems.
The weft knit fabric obtained, constituted of 92 per cent of weight of glass fibre and 8 per cent by weight of polyamide, possesses characteristics largely corresponding to those of the warp knit fabric according to Example 1. The way of stitching with plaiting, i.e. using that the feature indicated above, a yarn composed of glass fibres and polyamide fibresJ mean~/
that the inorganic part and the organic part function independent o~ each other to the formation of coherent stitches is obtained in an effective manner.
Example 4.
For lamination, the product of Example 1, 2 or
3 is combined with a plastic or rubber composition. A
plastic or rubber composition, for instance polyvinyl chloride, is poured on a support which may be paper or fabric and which is treated with a parting agent. The layer obtained in this manner together with the support is passed through a heating zone resulting in a stlcky surface, and while the surface of the composition is sticky the knitted product, i.e. a warp or weft knit fabric, is applied, possibly under pressure, so as to form, after cooling, a coherent laminate. Then the support is removed resulting in a product in the form of a plastic or rubber-coated elastic knit product suitable for use as cover material for ceilings or walls. The stretchability of the material is good due to the knitted reinforcement, and the combination of inorganic and organic fibres results in characteristics of the material which from all points of view are highly :~049Z79 satisfactory. Thus, the content of inorganic fibres means that the material, in case of fire or other heating, remains in place without falling down in large sheets. The stretchability enables the material to be tentered or suspended in a simple manner while avoiding the forming of wrinkles or ~olds.
plastic or rubber composition, for instance polyvinyl chloride, is poured on a support which may be paper or fabric and which is treated with a parting agent. The layer obtained in this manner together with the support is passed through a heating zone resulting in a stlcky surface, and while the surface of the composition is sticky the knitted product, i.e. a warp or weft knit fabric, is applied, possibly under pressure, so as to form, after cooling, a coherent laminate. Then the support is removed resulting in a product in the form of a plastic or rubber-coated elastic knit product suitable for use as cover material for ceilings or walls. The stretchability of the material is good due to the knitted reinforcement, and the combination of inorganic and organic fibres results in characteristics of the material which from all points of view are highly :~049Z79 satisfactory. Thus, the content of inorganic fibres means that the material, in case of fire or other heating, remains in place without falling down in large sheets. The stretchability enables the material to be tentered or suspended in a simple manner while avoiding the forming of wrinkles or ~olds.
Claims (11)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. Fire resistant composite fibre product for use as tentered inner-wall cover, as ceiling or the like, comprising a knitted fibre product having a stretchability at about 5 kp tensile stress per 1000 mms linearly of at least about 2% and being composed of fibres of a fire-resistant inorganic material and fibres of an organic material, the product being such that the inorganic part and the organic part individually form coherent stitches.
2. A product according to claim 1, characterized in that the proportion of fire-resistant material of the fibre product is about 20 to 99 per cent by weight.
3. A product according to claim 1, characterized in that the fire-resistant inorganic material consists of glass.
4. A product according to any of claims 1 - 3, characterized in that the organic material is synthetic and selected from ester, amide, vinyl, chloride, acrylic and urethane plastics.
5. A product according to any of claims 1 - 3, characterized in that the fibre product is a warp knit fabric.
6. A product according to any of claims 1 - 3, characterized by con-taining at least 65 per cent by weight of organic material, the product being heat-weldable.
7. Fire-safe plastic or rubber foil, preferably for use in ceilings, characterized by containing a reinforcement consisting of a knitted fibre product having a stretchability at about 5 kp tensile stress per 1000mms linearly of at least about 2% and being composed of fibres of a fire-resis-tant inorganic material and fibres of an organic material, the product being such that the inorganic part and the organic part individually form coherent stitches.
8. A foil according to claim 7, characterized in that the reinforce-ment is cast into the foil.
9. Foil according to claim 7, characterized in that the reinforcement is laminated with the foil.
10. Foil according to claim 9, characterized in that the reinforcement is sandwiched between two plastic or rubber layers.
11. A process for the preparation of a fire-safe composite fibre product in the form of warp knit fabrics starting from a fibre material composed of a fire-resistant inorganic material and an organic material, comprising providing said material in several warps, of which at least one consists of fibres of a fire-resistant inorganic material and at least one of the others consists of fibres of an organic material, and knitting together said warps to produce said product.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7402774A SE396623B (en) | 1974-03-01 | 1974-03-01 | FIREPLACE COMPOSITE FIBER PRODUCT AND PROCEDURE FOR ITS MANUFACTURE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1049279A true CA1049279A (en) | 1979-02-27 |
Family
ID=20320381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA219,335A Expired CA1049279A (en) | 1974-03-01 | 1975-02-04 | Fire-safe composite fibre product |
Country Status (10)
| Country | Link |
|---|---|
| BE (1) | BE826161A (en) |
| CA (1) | CA1049279A (en) |
| CH (1) | CH576025A5 (en) |
| DE (1) | DE2508883A1 (en) |
| DK (1) | DK82675A (en) |
| FI (1) | FI56404C (en) |
| FR (1) | FR2262708A1 (en) |
| NL (1) | NL7501324A (en) |
| NO (1) | NO750683L (en) |
| SE (1) | SE396623B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2906476C3 (en) * | 1978-05-02 | 1981-06-19 | Armstrong Cork Co., 17604 Lancaster, Pa. | Ceiling panel made of a fiber material for a suspended ceiling |
| DE8717787U1 (en) * | 1987-12-02 | 1990-03-08 | Schweizerische Gesellschaft für Tüllindustrie AG, Münchwilen | Elastic knitted fabric in sheet form |
-
1974
- 1974-03-01 SE SE7402774A patent/SE396623B/en unknown
-
1975
- 1975-02-04 NL NL7501324A patent/NL7501324A/en not_active Application Discontinuation
- 1975-02-04 CA CA219,335A patent/CA1049279A/en not_active Expired
- 1975-02-25 FR FR7505829A patent/FR2262708A1/en active Granted
- 1975-02-25 CH CH236275A patent/CH576025A5/xx not_active IP Right Cessation
- 1975-02-28 NO NO750683A patent/NO750683L/no unknown
- 1975-02-28 FI FI750591A patent/FI56404C/en not_active IP Right Cessation
- 1975-02-28 DE DE19752508883 patent/DE2508883A1/en active Pending
- 1975-02-28 BE BE153898A patent/BE826161A/en not_active IP Right Cessation
- 1975-02-28 DK DK82675*#A patent/DK82675A/da unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL7501324A (en) | 1975-09-03 |
| FR2262708A1 (en) | 1975-09-26 |
| CH576025A5 (en) | 1976-05-31 |
| DK82675A (en) | 1975-11-03 |
| FI56404B (en) | 1979-09-28 |
| FI56404C (en) | 1980-01-10 |
| FI750591A (en) | 1975-09-02 |
| NO750683L (en) | 1975-09-02 |
| BE826161A (en) | 1975-06-16 |
| DE2508883A1 (en) | 1975-09-04 |
| SE396623B (en) | 1977-09-26 |
| SE7402774L (en) | 1975-09-02 |
| FR2262708B1 (en) | 1979-06-15 |
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