Solid balls; Rigid hollow balls Marbles

AHUMAN NECESSITIES A63Sports, games A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING BALL GAMES TRAINING EQUIPMENT

A63B37/00Solid balls; Rigid hollow balls Marbles

A63B37/0001Balls with finger holes A63B37/0002Arrangements for adjusting, improving or measuring the grip A63B37/0003Golf balls A63B37/0004Surface depressions or protrusions A63B37/0005Protrusions A63B37/0006Arrangement or layout of dimples A63B37/0007Non-circular dimples A63B37/0008Elliptical A63B37/0009Polygonal A63B37/001Annular A63B37/0011Grooves or lines A63B37/0012Dimple profile A63B37/0013The dimple being formed in both the cover and the underlying layer A63B37/0015with sub-dimples formed within main dimples A63B37/0016Specified individual dimple volume A63B37/0017Specified total dimple volume A63B37/0018Specified number of dimples A63B37/0019Specified dimple depth A63B37/002Specified dimple diameter A63B37/0021Occupation ratio A63B37/0022Coatings, markings A63B37/0023Covers A63B37/0024Materials other than ionomers or polyurethane A63B37/0025Gutta-percha A63B37/0026Balata A63B37/0027Polyurea A63B37/0029Physical properties A63B37/003Coefficient of restitution A63B37/0031Hardness A63B37/0032Hardness gradient A63B37/0033Thickness A63B37/0034Deflection or compression A63B37/0035Density; Specific gravity A63B37/0036Melt flow rate [MFR] A63B37/0037Flexural modulus; Bending stiffness A63B37/0038Intermediate layers A63B37/0039Special materials A63B37/004Physical properties A63B37/0041Coefficient of restitution A63B37/0043Hardness A63B37/0044Hardness gradient A63B37/0045Thickness A63B37/0046Deflection or compression A63B37/0047Density; Specific gravity A63B37/0048Melt flow rate [MFR] A63B37/0049Flexural modulus; Bending stiffness A63B37/005Cores A63B37/0051Special materials other than polybutadienes; Special construction A63B37/0052Liquid cores A63B37/0053Thread wound A63B37/0054Substantially rigid A63B37/0055with non-spherical insert(s) A63B37/0056Hollow; Gas-filled A63B37/0058Polyurethane A63B37/0059Ionomer A63B37/006Physical properties A63B37/0061Coefficient of restitution A63B37/0062Hardness A63B37/0063Hardness gradient A63B37/0064Diameter A63B37/0065Deflection or compression A63B37/0066Density; Specific gravity A63B37/0067Weight; Mass A63B37/0068Initial velocity A63B37/0069Flexural modulus A63B37/007Characteristics of the ball as a whole A63B37/0072with a specified number of layers A63B37/0073Solid A63B37/0074Two piece balls A63B37/0075Three piece balls A63B37/0076Multi-piece balls A63B37/0077Physical properties A63B37/0078Coefficient of restitution A63B37/008Diameter A63B37/0081Deflection A63B37/0082Density; Specific gravity A63B37/0083Weight; Mass A63B37/0084Initial velocity A63B37/0086Flexural modulus A63B37/0087Deflection or compression A63B37/0088Frequency A63B37/0089Coefficient of drag A63B37/009Coefficient of lift A63B37/0091Density distribution amongst the different ball layers A63B37/0092Hardness distribution amongst the different ball layers A63B37/0093Moisture vapour transmission rate [MVTR] A63B37/0094Rebound resilience A63B37/0095Scuff resistance A63B37/0096Spin rate A63B37/0097Layers interlocking by means of protrusions or inserts, lattices or the like A63B37/0098Rigid hollow balls A63B37/02Special cores A63B37/04Rigid cores A63B37/06Elastic cores A63B37/08Liquid cores Plastic cores A63B37/10with eccentric centre of gravity A63B37/12Special coverings A63B37/14Special surfaces