Matches 1 - 45 out of 45
Match Document Document Title
7241237 Method and apparatus for temporarily marking a point of contact  
The present invention provides a game ball with a transient marking feature that may be used on any court surface. No preparation of the court surface is required. The game ball is coated with a...
6508732 Tennis ball  
The present invention is a tennis ball that includes an outer fabric cover that has a phosphorescent component.
6227992 Textile for tennis ball covering and method for manufacturing the same  
A fabric for use as a tennis ball covering and method to manufacture the same. The fabric has a felted outer surface composed of entangled fibres, said outer surface being provided with a three...
5830092 Tennis ball fabric  
A tennis ball having an outer felt fabric comprising at least two layers of non-woven fabric with the outer layer having a weight ratio of wool therein greater than 45% and the inner or bottom...
5800292 Tennis court boundary detection system  
System for detecting whether a conductive felt covered game ball has landed within the boundary area of a gaming surface. The system incorporates permanently installed decorative circuits which...
5603497 Three piece ball template  
A ball structure (1) is disclosed which comprises three panels (2, 3, 4) of identical shape which can be joined to form a spherical ball. The panels (2, 3, 4) can be cut from a template and their...
5593157 Long life, low air permeable pressurized articles such as play balls  
Low air permeable, pressurized articles such as play balls, e.g., a tennis ball, have a thin barrier layer formed on the vulcanized rubber core. The barrier layer is chemically bonded to the...
5558325 Play balls or pressureless tennis balls  
A hollow rubber play ball is disclosed that uses a combination two or more fillers to produce desirable playing properties in a tennis ball as specified by the International Lawn Tennis Federation...
5413333 Colored adhesive for tennis ball seams and a tennis ball seam containing the same  
A tennis ball is provided which has an elastomeric core and a cover having a seam. A colored seam adhesive bridges the seam and desirably matches the preferred yellowish color of the cover.
5413331 Soft reboundable amusement ball and outer skin material  
An amusement ball is provided which has both a soft, pliable surface texture and good rebound characteristics. The ball has a resilient inner body at its core which is surrounded by at least one...
5288261 Figurative toy missile  
A figurative toy missile in animal-like or humanoid soft form defined by a head and a torso having appendages extending therefrom. The missile structure is such that when the missile is thrown by a...
5225258 Rubber composition for hollow core of pressureless tennis ball  
A rubber composition suitable for producing hollow cores of pressureless tennis balls and superior in rebound properties and feeling of striking balls by racket, which contains, as a rubber...
5211788 Tennis ball and method of manufacturing the same  
A tennis ball comprising a hollow, spherical rubber ball (2) and a felt covering (4) attached to the rubber ball by an adhesive, characterized in that the felt covering is cut out from a felted...
4947466 Tennis ball  
A hollow tennis ball which comprises a hollow core of elastic material which encloses an interior space, and a layer of substantially felt-like material which is applied to the outer surface of the...
4876658 Method and apparatus for systematically testing objects including tennis balls  
A computer-controlled object testing and measuring apparatus having a plurality of stations including a control center for initiating, controlling and terminating each procedure at each station....
4853057 Method of making tennis balls or the like  
A method of making tennis balls by a single core part and fabric piece bonding step is disclosed wherein an assembly of core parts, including a pair of hemispheric core halves, and fabric cover...
4853056 Method of making tennis ball with a single core and cover bonding cure  
A method of making tennis balls by a single core part and fabric piece bonding step is disclosed wherein an assembly of core parts, including a pair of hemispheric core halves, and fabric cover...
4830370 Game ball  
A game ball of the type having a flexible resilient wall defining a space inside the ball that is fluid tight and contains a compressible fluid is given a break signalling capability by placing a...
4765853 Method of making a pressurized ball  
An improved method of making a fabric covered tennis ball is disclosed wherein a pair of molded semi-hemispheric elastomeric material core halves are joined together by a thermosetting adhesive...
4739989 Tennis ball  
A tennis ball comprised of a shell and cover, the ball having increased deformation for beginner's play and being characterized by the ball being between 30 and 52 grams in weight and 5.0 to 7.6...
4616828 Tennis ball  
Disclosed is a tennis ball including a continuous or discontinuous groove formed in the rubber spherical core. The groove extends about the spherical core below a track formed between two felt...
4592550 Tennis balls and core therefor  
An object of the present invention is to obtain a tennis ball and a core for tennis ball which keeps high values within the ITF standard and besides has excellent durability. That is, the present...
4504345 Tennis-balls  
A tennis-ball is made by covering a spherical core with twelve substantially identical pentagonally-shaped pieces of a cover material. Before the pentagonally-shaped pieces are attached to the...
4439471 Tennis ball with fabric covering  
A tennis ball conforming to the 1968 regulation of the International Federation of Lawn Tennis comprises a hollow elastic core and an improved cover bonded to the core by an adhesive mixture. The...
4327912 Tennis ball  
An improved tennis ball having an integrally molded valve in the sidewalls thereof for assuring constant pressure within the ball and, therefore, constant playing characteristics. The valve is...
4306719 Cores for tennis balls  
A core for a tennis-ball, the tennis-ball having either an internal pressure substantially equal to atmospheric pressure (a "pressureless" ball) or an internal pressure of up to 7 p.s.i. (0.49...
4299029 Method of making an electrically conductive game ball  
A ball for playing a game, such as tennis, and having a plurality of unwoven electrical conductive networks which are formed by electrically conductive fibers and which extend at least partially on...
4249730 Tennis ball comprising a hollow sphere of a rubber containing filler  
A tennis ball is provided comprising a hollow sphere of natural rubber and/or synthetic rubber similar in resilience properties to natural rubber, said rubber containing a filler, said sphere...
4248658 Apparatus for the manufacture of balls  
A method and apparatus for adhesively applying cover pieces to a resilient tennis ball core. In one embodiment the exterior of the core is subjected to vacuum to expand the core while the covers,...
4241118 Tennis balls and method of manufacture  
The disclosure is of a method of adhering a textile tennis ball cover to a tennis ball core. The method comprises providing a core and a textile tennis ball cover for the core. A hot-melt adhesive...
4238526 Method of coating objects  
A three-dimensional object is flocked by applying an adhesive to it, supporting it on a first side while applying fibers to the second side, and then curing the adhesive on most of the second side...
4222806 Method of covering tennis balls  
The disclosure is of a method of adhering a textile tennis ball cover to a tennis ball core. The method comprises providing a core and a textile tennis ball cover for the core. A hot-melt adhesive...
4151029 Method of making tennis balls  
A method of making hollow playballs, particularly tennis balls, having a fiberous e.g. fabric layer, and a flexible polymeric layer in the wall of the ball. The method involves forming laminate...
4145045 Pressureless tennis ball  
A pressureless tennis ball based on an elastomeric composition including natural rubber, cis 1,4-polybutadiene, and a copolymer of ethylene and at least one unsaturated monocarboxylic acid...
4022469 Tennis ball  
The invention provides tennis balls which comply in their behavior with the requirements of the "Rules of the International Lawn Federation" and which consist wholly or partially of a rubber based...
3992241 Dynamic resiliency of tennis balls  
The dynamic resiliency and the abrasive resistance of tennis balls is improved by uniformly irradiating the balls with about 10 5 to 10 10 rads of radiation.
3617589 METHOD FOR MANUFACTURING TABLE-TENNIS BALLS  
A method for forming table-tennis balls from a large number of thermoplastic materials including polyvinyl chloride and terpolymers of acrylonitrile with butadiene and styrene, which includes the...
3432165 GAME BALL  
3074144 Tennis ball cover cloth  
3065520 Tennis ball fabric  
3039773 Balls  
3025587 Process for coating round bodies, in particular elastic cores for tennis balls, withseamless felt  
2952063 Tennis balls and their coverings  
D107939 Title is not available  
3558413 Title is not available  
Matches 1 - 45 out of 45