Matches 1 - 50 out of 56 1 2 >
Match Document Document Title
7179210 Club-weight(s)  
This invention is an exercise club, which may be held comfortable in one hand. Two of these clubs may be used, one in each hand, to execute a series of planned movements, which result in a full...
7014565 Toy bowling pin with sounding and lighting effect  
A toy bowling pin includes a body made of semi-transparent material and has a hole longitudinally defined in the body. A cylinder is mounted in the bottom of the body and received in the hole in...
6196928 Plastic pin and method of making same  
A plastic pin, including a bowling pin, for bowling lanes, and a method of making same, are provided. The pin has a hard shell for surrounding a core of cellular and/or porous polymeric material....
6123624 Bowling pin and method of playing a bowling game  
A bowling pin and method for playing a bowling game. The bowling pin includes a cylindrical section which straddles the location at which the ball contacts the pin. Several alternate scoring...
6083112 Method for manufacturing plastic bowling pins  
A method for manufacturing a plastic bowling pin that has a porous core and a resilient envelope includes the step of blow-forming the envelope in a blowing mold and removing the envelope from the...
5888144 Plastic bowling pin and method for its manufacture  
A bowling pin has a pin body with a head and a magnet, at least partially enclosed in a plastic envelope, positioned in the head for manipulating the bowling pin. The plastic envelope and the head...
5833547 Base structure of a bowling pin  
The base structure of a bowling pin having an aperture at the center of the base portion thereof for the engagement with the bottom portion of the core of the bowling pin, characterized in that an...
5830074 Magnetically responsive bowling pins  
A magnetically responsive bowling pin having a first upwardly open cavity in its head portion and a second elongated cavity smaller and cross-section and extending downwardly in the head portion of...
5655970 Plastic pin  
A plastic pin having a porous and/or cellular core that is surrounded by a hard shell. To be able to influence the level of the center of gravity of the pin, the shell is provided with an aperture...
5651740 Foamed core products and method  
An elongated member, for example, a bowling pin, has a core of foamed plastic material, which has areas of greater density, generally toward the lower end of the bowling pin, so as to provide...
5649869 Fluorescent bowling pins  
A bowling pin for use with an automatic scorer includes a wood core and an ionomer cladding having an outer surface which surrounds the standing portion of the pin. The pin includes a first...
5595542 Material filled plastic bowling pin  
A plastic pin, such as a bowling pin, for bowling lanes. The pin has a hard shell that surrounds a core of cellular and/or porous material, preferably a thermoplastic material. The interior of the...
5569093 Hollow plastic pin with varying wall thickness  
A plastic pin, including a bowling pin, for bowling lanes, and a method of making the same. The pin has a hard shell that surrounds a core of cellular and/or porous material. The shell has a lower...
4822849 Low shrink hybrid resins  
Unsaturated polyester compositions comprising (a) an unsaturated polyester prepolymer and (b) a vinyl monomer copolymerizable with the prepolymer, which are cured by addition of (c) a...
4696468 Juggling club  
A juggling club is formed of a hollow, unitary molded plastic body having a bulged portion, a relatively heavy knob and handle portion, and a center of gravity located at between 55 and 59 percent...
4685674 Air-swing ball game  
An air-swing ball game in which a ball suspended on a string is used to strike and knock down a plurality of pins set up according to a particularized scoring scheme and mounted on a game table...
4605725 Polyurethane sealant compositions and their use as thermal-break sealants  
The invention relates to polyurethane sealant compositions prepared by reacting a polyether polyol other than one derived from monoethanolamine, an alkylene oxide adduct of monoethanolamine,...
4309377 Polymer alloy bowling ball  
A bowling ball having a thin viscous film deposited upon its surface from within the ball for increasing the coefficient of friction between the ball and the bowling lane. The film comprises a...
D247920 Bowling pin core  
4012386 Process for making plastic bowling pins  
A method of making a bowling pin is disclosed, incorporating both injection molding and compression molding. The pin is formed in a split cavity, into which a core pin is extendable. The disclosed...
3816234 IMPACT ABSORBING LAMINATE AND ARTICLES FABRICATED THEREFROM  
The laminate comprises (i) a layer of impact absorbing foam, (ii) a flexible, resinous finishing layer affixed to the foam layer, and (iii) a continuous, flexible thin layer of a substantially...
3622437 COMPOSITE BUOYANCY MATERIAL  
A buoyancy material is provided having hollow spheres made of a thermoplastic resin, encased in a matrix of syntactic foam. The spheres may be of a single diameter or of two or more diameters, each...
3580577 COPOLYLACTAM BOWLING PIN  
A bowling pin comprising a hollow elongated body made of a copolylactam composition containing at least 65 percent by weight polymerized caprolactam moieties, at least 1 percent by weight...
3544421 FILAMENT WOUND STRUCTURAL LAMINATES  
3494888 RESIN COMPOSITIONS FROM POLYEPOXIDES AND ISOCYANATE POLYMERS  
3467605 HIGH DENSITY RIGID POLYETHER/POLYESTER URETHANE FOAMS  
3445957 BOWLING PIN DOLL  
3390215 Foam-filled nylon article and method of making the same  
3268636 Method and apparatus for injection molding foamed plastic articles  
3265401 Reinforcement for a pole  
3245441 Machine for making bowling pins  
3211701 Polyurethane casting process  
3193289 Pin spotter and pins game device  
3191935 Pin detection means including electrically conductive and magnetically responsive circuit closing particles  
3186127 Bottle cap toys  
3174751 Pin setting mechanism with means for setting selected pins on correlated pin spots  
3168207 Blow molding  
3164383 Magnetic pin detection switch  
3155753 Process of filling a rigid hollow structure with foamed-in-place plastic foam  
3147974 Synthetic bowling pins  
3091456 Automatic pinfall detecting apparatus for bowling game  
3065966 Fortified wooden bowling pins  
3039771 Bowling alley for the blind  
3024819 Method of and apparatus for compressing and densifying a bowling pin impact zone  
3019020 Bowling game  
3015132 Method of molding plastic articles  
3009496 Method of salvaging bowling pins  
2983294 Method of salvaging salvable bowling pins  
2980425 Control mechanism for bowling pin spotting machines  
2848235 Movable magnetic bowling pin holding apparatus  
Matches 1 - 50 out of 56 1 2 >