Patents Assigned to Dunlop Maxfli Sports Corp.
  • Patent number: 6428428
    Abstract: A two piece golf ball has a core compression in the range of 67 PGA to 77 PGA, a core diameter in the range of about 1.535 inches to 1.545 inches, a cover hardness in the range of 65 to 71 Shore D, and a dimple pattern based on the geometry of a rhombicosadodecahedron. An uninterrupted equatorial great circle path, corresponding to a mold parting line, is provided in the design for forming a cover of the golf ball in two parts. A ball having such characteristics exhibits superior distance performance without compromising shot-making feel.
    Type: Grant
    Filed: January 14, 2000
    Date of Patent: August 6, 2002
    Assignee: Dunlop Maxfli Sports Corp.
    Inventors: Sanjay M. Kuttappa, Lane D. Lemons, Matthew B. Stanczak
  • Patent number: 5688188
    Abstract: A golf club having a metal head provided with a hosel having an axial bore having a major diameter which includes a chamfered upper portion and a minor diameter which includes the remaining portion thereof. A shaft having an end diameter substantially conforming with the minor diameter, is located in the bore of the hosel. A ferrule made of a thermoplastic material having a modulus of elasticity of between 5-12 10.sup.2 MPa, is formed with an axial bore. A tapered sleeve extends from a lower portion of the ferrule. The ferrule is located in a press fit about the shaft end with the sleeve mattingly received within the major diameter of the hosel providing an extended cushion and reinforcement at the juncture between the shaft and the hosel.
    Type: Grant
    Filed: August 29, 1996
    Date of Patent: November 18, 1997
    Assignee: Dunlop Maxfli Sports, Corp.
    Inventor: Chris Chappell