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Document Title |
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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...
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6508732 |
Tennis ball
The present invention is a tennis ball that includes an outer fabric cover that has a phosphorescent component.
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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...
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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...
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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...
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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...
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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...
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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...
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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.
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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.
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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...
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3432165 |
GAME BALL
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3074144 |
Tennis ball cover cloth
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3065520 |
Tennis ball fabric
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3039773 |
Balls
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3025587 |
Process for coating round bodies, in particular elastic cores for tennis balls, withseamless felt
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2952063 |
Tennis balls and their coverings
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D107939 |
Title is not available
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3558413 |
Title is not available
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