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| Number | Title | Issue Date |
| 4579895 | Poly-para-phenyleneterephthalamide compositions, their preparation and a process for the production of fibres from these compounds The invention relates to a homogeneous fluid composition which can be shaped, consisting of N-methylpyrrolidone-2, poly-para-phenyleneterephthalamide in an amount of 5 to 7% by weight, relative to the weight of the composition, calcium chloride or lithium... | 04/01/1986 |
| 4529321 | Device for the preparation of dispersions The present invention relates to a process and a device for the preparation of fine and uniform dispersions of a divided product in a liquid. A powder and a liquid are fed at a constant flow rate into the device at separate points, and are instantaneously... | 07/16/1985 |
| 4499707 | Method and apparatus for baling a tow of textile filaments A method and apparatus for baling a tow of textile filaments, in which when a container has been filled, the tow is cut automatically in such a way that the end of the cut tow connected to the tow in the container falls on the side of the container, the o... | 02/19/1985 |
| 4474631 | Pile textile articles and process and device for their manufacture Support with meshes, or elastic flexible openwork grid, used for producing pile textile articles by inserting pile textile elements into its meshes, in which the grid possesses an extensibility of at least 40%, a permanent deformation of less than 5% and ... | 10/02/1984 |
| 4454091 | Solutions, which can be shaped, from mixtures of cellulose and polyvinyl chloride, and shaped articles resulting therefrom and the process for their manufacture The present invention relates to new polymer solutions which make it possible to obtain shaped articles such as yarns and fibres, films, sheets and the like. These solutions consist of cellulose having a degree of polymerization of at least 200, polyvinyl... | 06/12/1984 |
| 4409289 | Cellulose-acrylonitrile polymer solutions, articles, and methods of making same New polymer solutions, processes for producing such solutions, shaped articles made from these solutions, and process of making such articles, are disclosed. The polymer solutions contain cellulose having a degree of polymerization of at least 200, an acr... | 10/11/1983 |
| 4394200 | Pile extile articles and process and device for their manufacture Support with meshes, or elastic flexible openwork grid, used for producing pile textile articles by inserting pile textile elements into its meshes, in which the grid possesses an extensibility of at least 40%, a permanent deformation of less than 5% and ... | 07/19/1983 |
| 4377648 | Cellulose-polyacrylonitrile-DMSO-formaldehyde solutions, articles, and methods of making same New polymer solutions, processes for producing such solutions, shaped articles made from these solutions, and process of making such articles, are disclosed. The polymer solutions contain cellulose having a degree of polymerization of at least 200, an acr... | 03/22/1983 |
| 4374893 | Textiles with improved conducting properties and processes for their manufacture Textiles, preferably yarns and fibers, based on synthetic polymers, with permanent conducting properties, which possess, on the surface, a uniform continuous layer consisting of at least 3% of copper sulphide, the composition of which is such that the ato... | 02/22/1983 |
| 4366199 | Decorative textile element A decorative textile element consisting of an assembly of parallel textile yarns arranged in bundles and held together at both ends of the bundle. This may be made by assembling at least filiform textile structures in parallel, surrounding the assembly wi... | 12/28/1982 |
| 4363895 | Solutions, which can be shaped, from mixtures of cellulose and polyamide-imide, and shaped articles obtained The present invention relates to new polymer solutions which make it possible to produce shaped articles, such as yarns and fibres, films, sheets and the like. These solutions consist of cellulose having a degree of polymerisation of at least 200, polyami... | 12/14/1982 |
| 4356603 | Method for introducing a yarn into a pneumatic yarn texturing means A method for introducing yarn into a pneumatic yarn texturizing means, in which the yarn is positioned across the inlet orifice of the texturizing means, a stream of fluid is forced against the yarn to introduce it into the orifice in the form of a loop a... | 11/02/1982 |
| 4345355 | Process and apparatus for cutting a tow and continuously opening the fibers obtained Process and apparatus for continuously cutting a tow of continuous filaments and opening the resulting fibers are described. Immediately after the tow is cut, while the fibers are still in an orderly array, they are transported to an opening device, espec... | 08/24/1982 |
| 4327873 | Apparatus for regulating the speed of a member delivering or winding a yarn The yarn is formed into a loop and a loop sensor monitors the variations in length in the loop of yarn. The variations in the size of the loop result from a difference in the speed between the speed of the yarn and the speed of the draw-off or delivery me... | 05/04/1982 |
| 4326504 | Textile solar collector Solar collector employing a liquid collecting medium. A textile collection surface of which the thickness possesses different densities is employed to carry the medium. These densities are such that the densities increase from the surface exposed to the s... | 04/27/1982 |
| 4313576 | Process and apparatus for simultaneously winding several yarns Several yarn packages or yarn reels are simultaneously wound on the same spindle using an improved process and apparatus, especially with regard to the start-up of the winding including the attachment of the yarns to the spindle and the formation of a yar... | 02/02/1982 |
| 4312260 | Flexible cable A flexible cable comprises a plurality of substantially parallel, textile core threads and an external sheath, in which cable cohesion is provided by a binder which is applied in a discontinuous manner to the threads to bond the core threads to one anothe... | 01/26/1982 |
| 4308004 | Device for the production of bi-component yarns The present invention relates to a process and a device for the production of bi-component yarns containing bilaminar and multilaminar filaments. Two polymer compositions are spun after feeding through a dichotomic mixer possessing tubes of identical internal ... | 12/29/1981 |
| 4307848 | Device for controlling the take-up speed of a winding frame The invention relates to a device for controlling the take-up speed of a winding frame for textile yarns, which winding frame has peripheral drive by means of a pilot roller and axial drive by means of a gas turbine integral with the spindle which carries... | 12/29/1981 |
| 4307054 | Process for the production of bi-component yarns The present invention relates to a process and a device for the production of bi-component yarns containing bilaminar and multilaminar filaments. Two polymer compositions are spun after feeding through a dichotomic mixer possessing tubes of identical internal ... | 12/22/1981 |
| 4304814 | Flameproof textile articles based on halogen-containing modacrylic polymers The present invention relates to flameproof textile articles and to processes for obtaining the same. The textile articles consist or consist essentially of halogen-containing modacrylic polymers containing on their surface about 0.2% to 2% by weight of s... | 12/08/1981 |
| 4302507 | Two-constituent polyamide filament and the process for its production The invention relates to a two-constituent textile filament. It consists of a polyhexamethyleneadipamide and a copolyamide containing amide groups, which is produced from caprolactam and from at least one difunctional amide-forming reactant having a saturated ... | 11/24/1981 |
| 4297479 | Process for the continuous production of aromatic polyamides in a mixture of calcium chloride and N-methylpyrrolidone-2 A continuous process is disclosed for the production of poly-(para-phenylene terephthalamide) and its copolymers, having an inherent viscosity of at least 3. Molten terephthaloyl chloride, and optionally adipoyl chloride, are reacted in stoichiometric amo... | 10/27/1981 |
| 4297478 | Process for the discontinuous production of aromatic in mixture of polyamides calcium chloride and N-methylpyrrolidone-2 A process is disclosed for the discontinuous production of a polyamide having the generic formula: ##STR1## and an inherent viscosity of at least 3, wherein 50 to 100% of the radicals R are p-phenylene radicals and 0 to 50% are n-butylene radicals. ... | 10/27/1981 |
| 4297412 | Two-component mixed acrylic fibres wherein acrylic components have different amounts of non-ionizable plasticizing comonomer The present invention relates to two-component acrylic fibres and yarns and their process of preparation. They consist of two copolymers based on acrylonitrile, in which the proportion of plasticizing comonomer differs by between 4 and 15% and which conta... | 10/27/1981 |
| 4291842 | Spindle for winding textile yarns A spindle intended to support on the inside thereof and drive in rotation at least one winding support for winding textile yarns. The spindle has at least one gripping element made up of at least two flyweights, able to come in contact with the inside sur... | 09/29/1981 |
| 4256684 | High-shrinkage acrylic fibers and the process for their production Acrylic yarns and fibers having a high shrinkage power, ranging up to 50%, obtained by wet spinning, a stretching of 1.3 to 3 × in air, washing, a stretching of 1 to 2.5 × into boiling water, drying, steaming at 105°-150° C., over-stretching of 1.2 to... | 03/17/1981 |
| 4255295 | Process for the regeneration of polymer from waste A process is disclosed for the production of a polymer of good spinnability from waste. It consists in compressing the finely chopped waste by means of a screw until a bulk density of at least 500 kg/m3 is reached, introducing same into a doubl... | 03/10/1981 |
| 4255476 | Pile textile elements Pile textile elements are disclosed in which textile filamentary materials are assembled in a bundle, these materials being held together at one end only, by any suitable means such as adhesive or crepe paper wrapped around the bundle. The other ends of t... | 03/10/1981 |
| 4248577 | Spinneret assembly A spinneret assembly is disclosed that comprises thin individual spinnerets simultaneously exhibiting a great mechanical resistance to pressure and a great number of orifices, in which: the relation between the total piercing area and the total surface of the ... | 02/03/1981 |
| 4231913 | Fluid shapable sulfuric compositions based on arylaliphatic copolymers The application discloses compositions which can be shaped to form yarns, fibers, films, membranes and fibrids. They contain a particular statistical or ordered copolyamide, with an inherent viscosity of at least 1, or units containing radicals of which a... | 11/04/1980 |
| 4221833 | Pile textile article and process for preparation A plurality of substantially parallel filamentary textile materials are assembled in a bundle to make a textile pile element. One end of the bundle has a base joining the materials at one end in a stable condition whereas the other end of the bundle conta... | 09/09/1980 |
| 4214069 | Flame-resistant copolyesters containing phosphonic groups Flame-resistant copolyesters are disclosed consisting or consisting essentially of from 85 to 99.5% of repeating units of the formula --CO--R--CO--O--R1 --O-- in which R is a divalent aromatic radical and R1 is a divalent aliphatic, ... | 07/22/1980 |
| 4210740 | Copolyesters prepared from phosphorus compounds which can be shaped and which have reduced flammability The present invention relates to copolyesters having high flame resistance, and comprising essentially 85% to 99.5% of repeating units of the formula --CO--R--CO--O--R1 --O--, in which R is an aromatic radical, and R1 is a divalent a... | 07/01/1980 |
| 4206883 | Method and apparatus for transferring textile yarns from a first treatment zone to a second A method and apparatus for transferring at least one textile yarn fed continuously from a first to a second treatment zone, in which: the yarn is removed at the first treatment zone, while keeping it under tension; the yarn is moved from the first to the secon... | 06/10/1980 |
| 4203560 | Process and device for the winding-up of textile yarn The invention relates to a process and a device for the winding-up of textile yarn. The process includes winding-up by double drive, namely peripheral and axial drive, according to which, in a first phase, the torque supplied by the axial drive is decreas... | 05/20/1980 |
| 4186168 | Process for producing bicomponent filaments with special cross-section Bicomponent filaments are produced by separately melting the polymers, and passing the sparingly cross-linked polybutylene terephthalate through a plurality of channels in a distribution plate in the form of a jet or stream, which is then introduced into ... | 01/29/1980 |
| 4178283 | Compounds for obtaining polymeric flameproofing agents and the process for obtaining them, as well as the flameproofing agents thus obtained New compounds are disclosed for obtaining novel polymeric flameproofing agents. The former are diphenols of the general formula: ##STR1## where n=0 or 2. The latter are aromatic polyphenylphosphonates having recurring units of the general formula: ... | 12/11/1979 |
| 4175157 | Process for texturizing polyester yarn and yarn A process for the preparation of texturized multifilamentary polyester yarn possessing a stable crimp, in which the yarn passes first through a crimping device comprising an injector where the yarn is subjected to a stream of hot fluid which separates the... | 11/20/1979 |
| 4173613 | Process for producing cellulosic shaped articles A process for producing shaped articles of cellulose is disclosed, wherein a solution of cellulose in dimethylsulphoxide (DMS0) and formaldehyde, at a formaldehyde/cellulose weight ratio of 0.2 to 2, and at a cellulose concentration of at least 6% by weig... | 11/06/1979 |
