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WO/2023/172955A2 |
Biodegradable strings, for example, for use in racquet sports, fishing line, and trimming line, are described. The biodegradable string includes a petroleum based material and a biodegradable additive blended with the petroleum based mat...
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WO/2023/112694A1 |
A grommet (20) includes a tubular portion (21). The tubular portion extends along a first direction (DR1) and has a distal end (21a) and a proximal end (21b) opposite to the distal end in the first direction. A through hole (21c) that ex...
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WO/2022/023991A1 |
Sports equipment comprising at least one layer of a composite material including a matrix and reinforcing fibres surrounded at least partially by said matrix.
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WO/2022/018887A1 |
A racket grommet 40 for stretching a string on a racket is formed of a carbon fiber reinforced resin containing 10-40 mass% of a pitch-based carbon fiber and 60-90 mass% of a polyamide resin. The racket has the racket grommet 40 mounted ...
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WO/2021/210292A1 |
The present invention provides a relatively thin racket string having both good tensile fracture elongation and tensile fracture strength, and a racket having said string. The racket string is provided with a synthetic resin core thread,...
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WO/2021/193056A1 |
A high-strength polyamide 610 multifilament characterized by having a sulfuric acid relative viscosity of 3.0-3.7 and a drying strength of more than 9.2 cN/dtex and within 11.0 cN/dtex. A high-strength polyamide 610 multifilament is prov...
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WO/2021/166671A1 |
Provided is a racket string having a string-making structure for side threads, the racket string being capable of being easily manufactured and exerting a plurality of functions with a single string. A string (10) includes a core thread ...
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WO/2021/023802A1 |
This system for holding (2) a racket (R) for a cradle of a stringing machine comprises at least two pairs of arms (4A-4D) that can move in the main plane corresponding to a stringing plane of the racket (R) held in the holding system (2)...
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WO/2021/019124A1 |
The object of the invention is a portable racket stringer tool, which comprises a support bracket (2), a floating clamp (3) and a tensioning clamp (1) which comprises a clamp body (8), a string gripper (11), a clamp arm (6), a clamp head...
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WO/2021/009052A1 |
The present invention relates to a monofilament string (1) for a racket (5), comprising a core (2) consisting of a single filament and a sheath (3) extending around the core (2) and in contact with the core (2), wherein: - the core (2) i...
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WO/2021/006981A1 |
An automatic string weaving system for weaving strings for a stringed sports racquet, comprising a weave assembly that the strings for the stringed sports racquet are weaved through; and an automated string feeder assembly to automatical...
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WO/2020/213599A1 |
The objective of the present invention is to enable resilience when hitting a ball to be improved while providing satisfactory strength. A racket string (10) extending in a prescribed direction is configured to be provided with a core th...
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WO/2020/034020A1 |
The present invention relates to a novel process for manufacturing costume jewelry or jewelry with silver or gold trim, such as bracelets, necklaces, earrings, pendants, among other articles, by recycling tennis racket strings disposed o...
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WO/2020/031529A1 |
Provided is a racket string 1 which includes a core yarn 2 that comprises synthetic fiber filaments, covering yarns 3 that comprise synthetic fiber filaments and cover the core yarn 2, a surface coating resin layer 4 outside the covering...
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WO/2019/184187A1 |
A string drawing apparatus of a stringing machine, comprising: a string clamping device (1), a sensor (2), a driving element (3), a transmission mechanism, and a control circuit (4). The sensor (2) is connected to the string clamping dev...
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WO/2019/174370A1 |
Disclosed is a racket stringing machine, comprising a base (1), a clamp (2) for clamping and fixing a racket frame, and a string tensioning device (3). The clamp (2) is provided with a rotary disc (21) and a clamping portion (22), wherei...
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WO/2019/039456A1 |
The present invention provides a racket stringing assistance device which enables one string to be smoothly crossed over another pre-strung string without straining said string. The racket stringing assistance device 10 is for assisting ...
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WO/2019/034263A1 |
The invention relates to a musical instrument string or sports racquet string having a core that comprises or consists of a bundle of thermoplastic fibres, wherein at least some thermoplastic fibres of the bundle are at least partially f...
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WO/2018/234376A1 |
The present invention relates to a monofilament string for a racket, comprising a core consisting of a single filament and a sheath extending around the core and in contact with the core, the monofilament string being characterized in th...
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WO/2018/207418A1 |
This racket string comprises a core yarn 2, sheath yarns 4 provided outside same, and a surface resin layer 5 provided outside same. The core yarn 2 and sheath yarns 4 are integrated by fusion-bonding a hot-melt thread 3 interposed on th...
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WO/2018/109713A1 |
The invention relates to a stringing machine (B) for stringing rackets (1) for a racket sport having at least two winding devices (W1-W4) arranged outside of the racket frame for winding and unwinding strings, two guiding heads (F1) arra...
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WO/2017/187742A1 |
Provided is a string set allowing improvement in hairpin shot and cut shot performances. This string set (20) is for stringing rackets as warp and weft strings and includes a first string (22) having a small diameter and a low frictional...
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WO/2017/183285A1 |
Provided is a racket string which improves spin performance. The racket string (10) comprises a filamentous structure (13), and a coating film (16) formed around the filamentous structure, wherein the coating film has a surface frictiona...
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WO/2017/173488A1 |
A method for treating racquet strings comprising subjecting the strings to low temperature and allowing the strings to return to ambient temperature.
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WO/2017/082015A1 |
The present invention is configured so that an advantage can be obtained by forming a hollow section and durability can be increased. A racquet string (10) is configured provided with a core yarn (11) and a plurality of side yarns (12) w...
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WO/2017/053644A1 |
A device is provided for stringing a racket having a racket frame with holes in the racket frame. The device includes a frame and a cradle rotationally coupled to the frame and configured to mechanically secure the racket via the racket ...
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WO/2017/009699A1 |
A vibration dampening device for use with a racket having a plurality of strings may have a fastener element which may include a male fastener and a female fastener which are configured to be coupled to each other. A hinge may pivotally ...
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WO/2016/190596A2 |
The purpose of the present invention is to provide polyketone fibers having excellent strength and water resistance, which are manufactured from a polyketone solution prepared from a copolymer of carbon monoxide, ethylene, and propylene,...
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WO/2016/156485A1 |
The invention relates to a tennis racket comprising: an oval frame (4) adapted to support a latticework, and through-bands (10) for the the strands of latticework cord, each band being received in an outer housing (46) in the frame and c...
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WO/2016/066706A1 |
The present invention relates to a ball-game racket comprising a stringing that has at least one string including a superelastic material.
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WO/2016/050795A1 |
The present invention relates to sports rackets comprising a string bed with filaments wherein at least one filament is a polyethylene based filament wherein the polyethylene has high (HMWPE) or ultrahigh molecular weight (UHMWPE) and wh...
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WO/2016/046467A1 |
The invention relates to a racket (1) for a ball game, especially padel or beach tennis, comprising a head (2) and a handle (3), wherein the head (2) is formed by a material having a deformable core covered by at least one rigid coating ...
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WO/2016/023881A1 |
The tennis racket (1) comprises an oval frame (10) supporting a mesh (14). The little holes or all the little holes (140) of the mesh (14) are arranged between the geometric centre (C) of the frame and the apex (S) of the frame.
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WO/2015/177937A1 |
A racket has: a grip; an annular frame having through-holes provided therein, the through-holes extending through the frame from the inner peripheral surface to the outer peripheral surface thereof; a shaft for connecting the grip and th...
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WO/2015/165900A1 |
This string (2) for a racquet used for racquet sports comprises a core (4) comprising seven monofilaments including a central monofilament (40) and six monofilaments (42) of the same diameter and composition as the central monofilament (...
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WO/2015/097983A1 |
A system to analyze vibration data includes circuitry that receives the vibration data, which is generated by a sensor that senses vibration of an object. The circuitry also analyzes the vibration data based on stored predetermined vibra...
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WO/2014/171203A1 |
This racquet string (1) is a braided string including core threads (2), sheath braided threads (4) on the outer side of the core threads, and a surface resin layer (5) on the outer side of the sheath braided threads; hot-melt-type flat m...
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WO/2014/100657A2 |
A monofilament fiber as described made from a polyoxymethylene polymer. Polyoxymethylene polymer can be blended with an abrasion additive in order to improve abrasion resistance. The polyoxymethylene polymer may be combined with a thermo...
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WO/2013/163355A1 |
Tennis racket comprises a rounded-elliptical off-set head frame design, three (3) independents mayor-axis connecting within the racket head-center, head-frame long -axis support parallel long strings setup, head- frame short-axis support...
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WO/2013/136266A1 |
Sports racquet (1) comprising a handle (2) and a head portion (3) adapted to support a string bed (4) lying on a reference plane. The string bed of the sports racquet comprises a plurality of meshes (43) with an average area of 200 mm2 o...
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WO/2013/127375A1 |
Tool for weaving of cross strings in a racquet, consisting of at least one strip shaped sleeve inflatable with a medium (1) designed to be weaved in the main strings (4) and, after being inflated with medium, allowing an easy weaving of ...
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WO/2013/130795A1 |
A variably compressible device placed on the peripheral portion of a racquet frame over or through which a loop of racquet string is placed compressing and holding the device against the outside surface of the racquet frame. The device a...
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WO/2013/117822A1 |
The invention relates to an auxiliary device for tensioning a racket used in ball games. The auxiliary device comprises a spring-like slot (1) of U-shaped cross-section, on each branch (2a, 2b) of the U being formed first gripping means ...
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WO/2013/109887A1 |
A sports racket is provided that has a racket body with a racket head. The racket head has a frame that has substantially rectangular face shape with appropriately rounded corners. The frame has a string mounting positions in a predeterm...
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WO/2012/126896A1 |
The invention relates essentially to a string (1, 1') for a tennis racket, characterized in that it has a section (S, S') along a transverse section formed by: - first sides (4.1, 4.1') having a radius (R1, R1') of curvature of 1.15 cm p...
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WO/2012/068986A1 |
A racket net string adjustment positioner comprises several adjustment positioning columns (1) arranged in crisscross or arranged in crisscross at intervals. The maximum width of at least one projection of a façade of each adjustment po...
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WO/2011/110777A2 |
The invention relates to an individual tensiometer (1) for measuring tension in a racket string (9), said tensiometer comprising: a grip body (10) and a member (2) for biasing the string (9), both of which can pivot in relation to one an...
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WO/2011/039482A1 |
This core (2) for a racket string, in particular for a tennis racket string, comprises a thermoplastic matrix (24) in which filaments (22) are embedded, at least one of these filaments being of natural origin and the thermoplastic matrix...
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WO/2011/025401A1 |
Accordingly, the invention is a Double-Faced Tennis Racket composed of a handle (1), a frame head (2) with an elliptical face that is symmetrically convex when viewed laterally on which the horizontal strings (3) are strung independently...
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WO/2011/001805A1 |
A racket string (10) includes a synthetic fiber, has a cross-section flattened by a heated compression deformation after a string formation, and has indentations at any portions, and the flattened string is wound substantially without tw...
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