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| Number | Title | Issue Date |
| 7326133 | Racket assembly that warns of a fatigued string condition A racket assembly having a racket head that is supported by a handle. A string is strung across the racket head forming a string face. The string used in the string face is statistically likely to fail after the string face has been impacted a precalculated number o... | 02/05/2008 |
| 7147904 | Expandable tubular fabric An expandable tubular fabric formed by heat setting a plurality of thermoplastic yarns producing drawn thermoplastic yarns, arranging these yarns in an array and in juxtaposed positions and moving them in a first direction. Extruding at least one filament along a ci... | 12/12/2006 |
| 7134266 | Jacketed yarn, textile and method of producing such a yarn A sheathed yarn having a natural appearance comprises a core yarn and a sheath which is made from a thermoplastic material. The thermoplastic material of the sheath comprises less than 20 wt.-% of staple fibers, especially of natural origin. The sheathed yarn exhibi... | 11/14/2006 |
| 6804942 | Composite tubular assembly and method of forming same A composite tubular assembly formed by a core or tube which is reinforced by a multitape product which is wrapped in alternate non-bonded helical wraps on the core or tube. Each tape is first formed by impregnating a fibrous strip with a resin and then such tapes ar... | 10/19/2004 |
| 6460321 | Racquet string A racquet string comprises of a core surrounded by at least one sheath, having a plurality of sheath fibers wound around said core, and a coating resin uniting the core and sheath fibers into a unitary body. The sheath fibers are helically wound about the... | 10/08/2002 |
| 6412265 | Twisted flat cable A plurality of perforations 6 has been defined on a plastic tape 5 to be laminated on insulated wire cores 2. Accordingly, intrusions of the plastic tape 5 in between each of pair-twisted sections 4 are elevated in laminating step of the plastic tape 5. A... | 07/02/2002 |
| 6148597 | Manufacture of polyolefin fishing line Yarns and fishing lines are made by a process that includes the step of exposing an opaque yarn made from ultrahigh molecular weight, gel spun polyolefin filaments to a temperature within the melting point range of the filaments for a time sufficient to a... | 11/21/2000 |
| 6062014 | String for a racket A string for a sports racket includes a core formed of a plurality of core filaments of nylon which are twisted together in a first direction and which are impregnated with a thermoplastic polyurethane resin, a moisture-cured polyurethane layer enclosing ... | 05/16/2000 |
| 6009699 | Composite synthetic string for a tennis racket Composite synthetic string, in particular for a tennis racket. According to the invention, the string is made up of central monofilaments surrounded by mono-filament threads and by multifilament threads, the assembly being impregnated and covered in polyu... | 01/04/2000 |
| 5802828 | Composite yarn for the manufacturing of braided packings, braided packing and process for forming the composite yarn A composite yarn is for making braided packing for sealing pump or rotating valve shafts. The packing comprises an external layer and a core. Preferably, the external layer is made of expanded polytetrafluoroethylene (PTFE) impregnated with graphite, and ... | 09/08/1998 |
| 5771673 | Line, in particular fishing line, as well as method for its production A fishing line comprising a core (10) and a sheath (20) encompassing the core (10). the core (10) as well as also the sheath (20) are constructed of high-strength filaments (11, 12, 21, 22). The core (10) is entwined with the filaments (21, 22) forming th... | 06/30/1998 |
| 5540990 | Polyolefin line Monofilament lines are made from twisted gel spun polyolefin yarns that are heated and stretched under conditions sufficient to fuse adjacent filaments into a line having monofilament characteristics and high tenacity.... | 07/30/1996 |
| 5431979 | Cut-resistant tarpaulin A cut-resistant tarpaulin has a waterproof coating bonded to a cut-resistant woven fabric. The fabric has a leno or gauze weave. The fabric has warp yarns and weft yarns of braided fibers. The fibers have an initial modulus greater than 400 grams per deni... | 07/11/1995 |
| 5414984 | Reinforcement thread for fabric covering or technical textiles A reinforcement thread (1) for fabric coverings or technical textiles, intended to be incorporated in a textile base which comprises a synthetic or artificial core thread (2) and first cladding fibers (3) deposited about the core thread (2). The first cla... | 05/16/1995 |
| 5130193 | Fiber-reinforced composite cable A fiber-reinforced composite material is disclosed for use as a cable which comprises a master filament and a plurality of slave filaments disposed in surrounding relation thereto, both filaments being impregnated with a resin and thereafter coated by a k... | 07/14/1992 |
| 5090188 | Ridged racquet string A string (10) for a sports racquet, such as a tennis racquet string, is comprised of a string core (20) having a plurality of external ridges (40) bonded thereon for aiding in imparting spin on a ball and for increasing the crossover contact area between ... | 02/25/1992 |
| 5010723 | Twisted yarn which will maintain its twist and products produced therefrom A yarn produced from two or more twisted cellulosic fibers, such as cotton or cotton rayon fibers, the plies being helically wound around a thermoplastic filament core which is subsequently melted to bind the inner portions of the yarn together so that it... | 04/30/1991 |
| 4956039 | Method of manufacturing a cable-like plastic composite body A cable-like synthetic composite body which can be used as a support element for technical cables comprises a string of endless filaments of high modulus of elasticity which extend parallel to one another and to the cable axis, with the string being impre... | 09/11/1990 |
| 4860531 | Racquet strings A synthetic string for a sports racquet has an inner single strand or multifilament core, wrapped with one or more helically wound layers of large diameter strands of monofilament, and surrounded by an extruded coating of regular polygonal cross-section h... | 08/29/1989 |
| 4757658 | Panel structure with composite coupling A composite structure comprises at least one ply comprising approximately parallel unidirected twines comprising helically-configured matrix-impregnated continuous strands of filament reinforcements to provide a flanged composite cantilever spring which s... | 07/19/1988 |
| 4680923 | Composite twine structure A composite structure comprises at least one ply comprising approximately parallel unidirected twines comprising helically-configured matrix-impregnated continuous strands of filament reinforcements to provide a flanged composite cantilever spring which s... | 07/21/1987 |
| 4677818 | Composite rope and manufacture thereof A composite rope obtained by a process comprising (1) impregnating a fiber core of a reinforcing fiber bundle with a thermosetting resin, (2) coating the outer periphery of the resin-impregnated fiber core with fibers, and (3) curing the thermosetting resin wi... | 07/07/1987 |
| 4660364 | Racket string construction Athletic racket string construction consisting of a seven strand core and an outer layer of wrapping fibers.... | 04/28/1987 |
| 4565061 | String for rackets A string is provided which has been stabilized to retain its initial tension over a long period when strung in a racket, and which has a high ratio of tensile strength to modulus of Elasticity to cause the deflection of the string woven membrane to be alm... | 01/21/1986 |
| 4534163 | Rope or cable and method of making same In making synthetic rope or cable, a plurality of filaments are brought in parallelism into a core and compacted by a plurality of ribbons or tapes wound about the core under tension in opposite directions to form a uniform jacket that is torsionally stab... | 08/13/1985 |
| 4516394 | Yarn package for spiralers There is disclosed an improved feedstock package for a spiraling machine. The package comprises filamentary yarn having a twist of less than 5 tpi wound around a king spool. In contrast to prior art cone packages, the invention significantly reduces packa... | 05/14/1985 |
| 4499716 | Reinforcement structure Reinforcement structure with enhanced compressive strength is obtained by wrapping a yarn helically around a core of longitudinally aligned yarn to form a sheath that compresses the core, the yarn of both sheath and core having a tenacity greater than 10 ... | 02/19/1985 |
| 4449353 | Gut string for sports rackets A natural gut string for sports rackets comprises at least two gut strands, each strand of which comprises a plurality of gut ribbons twisted together in a first direction, which strands are combined and re-twisted together in a direction opposite to the ... | 05/22/1984 |
| 4433536 | Spiral wrapped synthetic twine and method of manufacturing same An improved synthetic twine and method of manufacturing same are disclosed. The synthetic twine comprises at least one longitudinally extending oriented synthetic ribbon which has been fibrillated to provide a net-like structure having fine fibril stems c... | 02/28/1984 |
| 4409283 | Formable viscid caulking member and method of making same A formable viscid caulking member including a viscid medium; a flexible multifilament member saturated with the viscid medium; and a method of making such a caulking member.... | 10/11/1983 |
| 4391088 | String for sports rackets A string for sports rackets consists of a gut core covered with filamentary aramid and impregnated with at least one coating of water-resistant, vapor-impermeable, flexible smooth adhesive polymeric resin, which adheres the filamentary aramid to the gut c... | 07/05/1983 |
| 4378725 | Method of manufacturing sealed rope and knotted netting from such rope A method for producing a sealed rope of braided or twisted filaments. Heat-shrinkable filaments are braided or twisted about a core of a thermoplastic material to form a rope and the rope is placed under tension and treated to cause the thermoplastic core... | 04/05/1983 |
| 4377620 | Gut for tennis racket and the like and method of making same Improved gut for use on rackets for tennis, badminton, and the like, comprising a gut body and a coating film on the gut body, the film being obtained by drying a liquid formed by dispersing minute particles of ethylene tetrafluoride resin either in a sol... | 03/22/1983 |
| 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 |
| 4306410 | String construction for athletic rackets A string construction for athletic rackets which can be frictionally engaged with a tennis ball or a badminton shuttlecock very well upon hitting it and which can be uniformly stretched on the athletic racket frame without being twisted, comprises a strin... | 12/22/1981 |
| 4299884 | Type of wrapped textile thread and process for its production which involves thermofusion to secure wrapping to core There is provided a new wrapped textile thread which includes a core made of threads arranged considerably parallel to each other. The core is covered by a wrapping thread which winds in a single turn, forming a regular and joined spiral around the core. ... | 11/10/1981 |
| 4297835 | Synthetic strings An integrated string consisting of plural mono-filaments, each of which being fused together with adjacent mono-filaments at the contact points and externally having sharp grooves produced by twisting along its length and internally defining confined spir... | 11/03/1981 |
| 4275117 | String construction produced by subjecting a fibrous strand composed of fibrous materials having differing melting points to heating conditions sufficient to melt some but not all of the fibrous materials An integrated string primarily for use in connection with athletic rackets, such as tennis, badminton, squash and the like, but also usable for fishing line, musical strings, etc., said string in one embodiment comprising a thermoplastic core having a the... | 06/23/1981 |
| 4269024 | Strength members for the reinforcement of optical fibre cables A continuous elongate strength member for reinforcing an optical fibre cable consists of an assembly of aromatic polyamide filaments impregnated with a synthetic resin, in which the filaments are individually coated with the resin, and the filaments of at... | 05/26/1981 |
| 4228641 | Thermoplastic twines A twine comprised of a core bundle of synthetic monofilaments twisted along the length of the twine and a synthetic binder material in thin band form spirally wound about the monofilaments in a direction opposite to the core bundle twist has been found to... | 10/21/1980 |
