Patent application number | Description | Published |
20120121852 | HIGH STRENGTH TAPE ARTICLES FROM ULTRA-HIGH MOLECULAR WEIGHT POLYETHYLENE - Tape articles having improved properties are made from ultra-high molecular weight (UHMW) multi-filament yarns. The tape articles can have a ratio of the low temperature area under the curve (120° C. to Tm-onset) to the total area under the curve (120° C. to 165° C.) of less than about 0.15 as calculated from an increasing temperature DSC scan from a temperature of 30° C. to a temperature of 200° C. at a constant rate of 10° C. per minute. Additionally, in some examples the tape articles can also have a tenacity at least about 24 g/d (2.06 GPa) when measured by ASTM D882-09 at a 10 inch (25.4 cm) gauge length and at an extension rate of 100%/min. Further, the tape articles can have no long period of less than 450 Angstroms (Å) when measured by small angle x-ray analysis. | 05-17-2012 |
20120258301 | HIGH STRENGTH ULTRA-HIGH MOLECULAR WEIGHT POLYETHYLENE TAPE ARTICLES - Processes for the production of high strength polyethylene tape articles from high strength ultra-high molecular weight multi-filament yarns, and to the tape articles, fabrics, laminates and impact resistant materials made therefrom. | 10-11-2012 |
20130202844 | MULTIDIRECTIONAL FIBER-REINFORCED TAPE/FILM ARTICLES AND THE METHOD OF MAKING THE SAME - High tenacity, high elongation multi-filament polymeric tapes as well as ballistic resistant fabrics, composites and articles made therefrom. The tapes are fabricated from multi-filament fibers/yarns that are twisted together, bonded together, compressed and flattened. | 08-08-2013 |
20130225022 | HIGH TENACITY HIGH MODULUS UHMWPE FIBER AND THE PROCESS OF MAKING - Processes for preparing ultra-high molecular weight polyethylene (“UHMW PE”) filaments and multi-filament yarns, and the yarns and articles produced therefrom. Each process produces UHMW PE yarns having tenacities of 45 g/denier to 60 g/denier or more at commercially viable throughput rates. | 08-29-2013 |
20140030947 | NOVEL UHMWPE FIBER AND METHOD TO PRODUCE - Processes for preparing ultra-high molecular weight polyethylene yarns, and the yarns and articles produced therefrom. The surfaces of highly oriented yarns are subjected to a treatment that enhances the surface energy at the yarn surfaces and are coated with a protective coating immediately after the treatment to increase the expected shelf life of the treatment. | 01-30-2014 |
20140065913 | NOVEL UHMWPE FIBER AND METHOD TO PRODUCE - Processes for preparing ultra-high molecular weight polyethylene yarns, and the yarns and articles produced therefrom. The surfaces of partially oriented yarns are subjected to a treatment that enhances the surface energy at the fiber surfaces and are coated with a protective coating immediately after the treatment to increase the shelf life of the treatment. The coated, treated yarns are then post drawn to form highly oriented yarns. | 03-06-2014 |
20140170429 | LAMINATES MADE FROM ULTRA-HIGH MOLECULAR WEIGHT POLYETHYLENE TAPE - Disclosed are laminates from multiple stacked plies of a uni-directional tape in which the tape formed from a plurality of ultra-high molecular weight polyethylene gel spun, multi-filament yarns. The resultant laminate contains not more than five percent resin by weight. Related methods of making a laminate of this type are also disclosed. | 06-19-2014 |
20140190343 | HIGH STRENGTH ULTRA-HIGH MOLECULAR WEIGHT POLYETHYLENE TAPE ARTICLES - Processes for the production of high strength polyethylene tape articles from high strength ultra-high molecular weight multi-filament yarns, and to the tape articles, fabrics, laminates and impact resistant materials made therefrom. | 07-10-2014 |
20140272268 | HIGH STRENGTH TAPE ARTICLES FROM ULTRA-HIGH MOLECULAR WEIGHT POLYETHYLENE - Tape articles having improved properties are made from ultra-high molecular weight (UHMW) multi-filament yarns. The tape articles can have a ratio of the low temperature area under the curve (120° C. to Tm-onset) to the total area under the curve (120° C. to 165° C.) of less than about 0.15 as calculated from an increasing temperature DSC scan from a temperature of 30° C. to a temperature of 200° C. at a constant rate of 10° C. per minute. Additionally, in some examples the tape articles can also have a tenacity at least about 24 g/d (2.06 GPa) when measured by ASTM D882-09 at a 10 inch (25.4 cm) gauge length and at an extension rate of 100%/min. Further, the tape articles can have no long period of less than 450 Angstroms (Å) when measured by small angle x-ray analysis. | 09-18-2014 |
20140272271 | BALLISTIC RESISTANT THERMOPLASTIC SHEET, PROCESS OF MAKING AND ITS APPLICATIONS - Woven fabrics are formed from high tenacity fibers or tapes that are loosely interwoven with adhesive coated filaments, to composite articles formed therefrom, and to a continuous process for forming the composite articles. | 09-18-2014 |
20140273696 | STAB AND BALLISTIC RESISTANT ARTICLES AND THE PROCESS OF MAKING - Dimensionally stable open woven fabrics formed from a plurality of high tenacity warp elongate bodies interwoven and bonded with a plurality of transversely disposed, high tenacity weft elongate bodies, composite articles formed therefrom, and to a continuous process for forming the composite articles. | 09-18-2014 |
Patent application number | Description | Published |
20130055790 | APPARATUS AND METHOD TO MEASURE BACK FACE SIGNATURE OF ARMOR - An apparatus and method for evaluating the backface signature of flat panel ballistic resistant composites with accuracy, repeatability and improved correlation to the expected backface signature of shaped ballistic resistant composites in actual field use. | 03-07-2013 |
20130059112 | SURFACE TREATED YARN AND FABRIC WITH ENHANCED PHYSICAL AND ADHESION PROPERTIES AND THE PROCESS OF MAKING - Methods for modifying high tenacity fibers without reducing the physical strength properties of the fibers. More particularly, methods for modifying fibers with a plasma treatment or a corona treatment without reducing the physical strength properties of the fibers. | 03-07-2013 |
20130059494 | HIGH PERFORMANCE BALLISTIC COMPOSITES AND METHOD OF MAKING - Fabrication of ballistic resistant fibrous composites having improved ballistic resistance properties and retained or improved ballistic penetration resistance properties. The composites are formed from high tenacity fibers having a tenacity of at least about 33 g/denier at ambient room temperature after being modified by a plasma treatment or by a corona treatment, without tenacity loss due to said treatments. | 03-07-2013 |
20130059496 | LOW BFS COMPOSITE AND PROCESS OF MAKING THE SAME - Methods for producing composites useful for the formation of both soft and hard armor. More particularly, methods for the production of ballistic resistant fibrous composites having improved ballistic resistance properties, including low backface signature. The methods employ fiber surface treatments to improve the anchorage of substances applied onto fiber surfaces, achieving a low delamination tendency and corresponding benefits. | 03-07-2013 |
20140248463 | RIGID STRUCTURE UHMWPE UD AND COMPOSITE AND THE PROCESS OF MAKING - Fabrication of ballistic resistant fibrous composites having improved ballistic resistance properties. More particularly, ballistic resistant fibrous composites having enhanced flexural properties, which correlates to low composite backface signature. The composites are useful for the production of hard armor articles, including helmet armor. | 09-04-2014 |
20140302273 | HIGH LAP SHEAR STRENGTH, LOW BACK FACE SIGNATURE UD COMPOSITE AND THE PROCESS OF MAKING - Fabrication of ballistic resistant fibrous composites having improved ballistic resistance properties. More particularly, ballistic resistant fibrous composites having high interlaminar lap shear strength between component fiber plies or fiber layers, which correlates to low composite backface signature. The high lap shear strength, low backface signature composites are useful for the production of hard armor articles, including helmet armor. | 10-09-2014 |
20140302274 | RIGID STRUCTURAL AND LOW BACK FACE SIGNATURE BALLISTIC UD/ARTICLES AND METHOD OF MAKING - Fabrication of ballistic resistant fibrous composites having improved ballistic resistance properties. More particularly, ballistic resistant fibrous composites having enhanced a dynamic storage modulus, which correlates to low composite backface signature. | 10-09-2014 |
Patent application number | Description | Published |
20080295307 | Heating Apparatus and Process for Drawing Polyolefin Fibers - A heating apparatus and process useful for drawing ultrahigh molecular weight polyolefin fibers, such as polyethylene libers. The heating apparatus includes a first set of rolls and a plurality of aligned ovens. The apparatus includes a second set of rolls at the exit of the ovens which rolls are adapted to provide the desired drawing of the polyolefin fibers. The apparatus and process provide a single draw step in a heated environment, with the use of preferably four or six horizontal ovens. | 12-04-2008 |
20100178503 | Melt spinning blends of UHMWPE and HDPE and fibers made therefrom - Compositions that are intimate blends of ultrahigh molecular weight polyethylene and high-density polyethylene (HDPE), and which are melt spinnable. The compositions include certain quasi-spherical particles. Also disclosed is a method of melt spinning from such compositions and the multi-filament fibers produced thereby. The fibers of the invention are useful in a variety of applications. | 07-15-2010 |
20110171468 | MELT SPINNING BLENDS OF UHMWPE AND HDPE AND FIBERS MADE THEREFROM - Compositions that are intimate blends of ultrahigh molecular weight polyethylene and high-density polyethylene (HDPE), and which are melt spinnable. The compositions include certain quasi-spherical particles. Also disclosed is a method of melt spinning from such compositions and the multi-filament fibers produced thereby. The fibers of the invention are useful in a variety of applications. | 07-14-2011 |
20120004358 | MELT SPINNING BLENDS OF UHMWPE AND HDPE AND FIBERS MADE THEREFROM - Compositions that are intimate blends of ultrahigh molecular weight polyethylene and high-density polyethylene (HDPE), and which are melt spinnable. The compositions include certain quasi-spherical particles. Also disclosed is a method of melt spinning from such compositions and the multi-filament fibers produced thereby. The fibers of the invention are useful in a variety of applications. | 01-05-2012 |
Patent application number | Description | Published |
20080305331 | High tenacity polyethylene yarn - A process for preparing ultra-high molecular weight polyethylene (UHMWPE) multi-filament yarns having improved tensile properties and the yarns and articles thereby produced. | 12-11-2008 |
20100065982 | High tenacity polyethylene tarn - A process for preparing ultra-high molecular weight polyethylene (UHMWPE) multi-filament yarns having improved tensile properties and the yarns and articles thereby produced. | 03-18-2010 |
20100078851 | PROCESS FOR MAKING UNIFORM HIGH STRENGTH YARNS AND FIBROUS SHEETS - Methods for preparation of high strength yarns having superior yarn-to-yarn uniformity of denier, tenacity and tensile modulus and uniform unidirectional fibrous sheets. Ballistic composites prepared from these yarns and fibrous sheets have improved uniformity of ballistic resistance. | 04-01-2010 |
20110045293 | PROCESS FOR THE PREPARATION OF UHMW MULTI-FILAMENT POLY(ALPHA-OLEFIN) YARNS - A process for preparing ultra-high molecular weight poly(alpha-olefin) (UHMWPO) multi-filament yarns having improved tensile properties at higher productivity. The process includes drawing a solution yarn, then drawing a gel yarn and then drawing a dry yarn continuously in sequence to form a partially oriented yarn, winding up the partially oriented yarn, unrolling the yarn, drawing the partially oriented yarn to form a highly oriented yarn, cooling the highly oriented yarn under tension and winding up the highly oriented yarn. | 02-24-2011 |