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US 6,887,166 B2Granted
Golf ball
OwnerQi Yuinventor
Life of this patent
Estimating the term…
Abstract
A golf ball includes a ball cover including a first and second hemispheric cups attached to each other to form a hollow spheroid and a solid ball core covered by the ball cover. Each of the first and second hemispheric cups has two semi-conical engagement edges fittingly engaged with two semi-conical connection edges of the other hemispheric cup so as to integrally unite the first hemispheric cup and the second hemispheric cup together to form the ball cover.
Claims20
A method of manufacturing a golf ball, comprising the steps of:
- (a) providing a solid ball core;
- (b) providing a first hemispheric cup which cup has two identical first semi-conical engagement edges symmetrically outwardly projecting at two sides thereof and two identical first semi-conical connection edges inwardly projecting between said two first semi-conical engagement edges, wherein said two first semi-conical engagement edges are symmetrically and continuously extended between said two first semi-conical connection edges so as to form a continuous first joint edge for said first hemispheric cup;
- (c) providing a second hemispheric cup which has two identical second semi-conical engagement edges symmetrically outwardly projecting at two sides thereof and two identical second semi-conical connection edges inwardly projecting between said second first semi-conical engagement edge, wherein said two second semi-conical engagement edges are symmetrically and continuously extended between said two second semi-conical connection edges so as to form a continuous second joint edge for said second hemispheric cup, wherein a cone height of each of said first and second semi-conical engagement edges is equal to a cone height of each of said first and second semi-conical connection edges, and a size and shape of said first hemispheric cup and the second hemispheric cup are identical and symmetrical;
- (d) placing said solid ball core between said first hemispheric cup and said second hemispheric cup;
- and
- (e) integrally attaching said first hemispheric cup and said second hemispheric cup together by fittingly engaging said two second semi-conical engagement edges with said two first semi-conical connection edges respectively while fittingly engaging said two second semi-conical connection edges with said two first semi-conical engagement edges respectively so as to form a ball cover covering said solid ball core.
3 more elements
A method of manufacturing a golf ball, comprising the steps of:
- (a) providing a first core body having a first joint portion which comprises two identical first semi-conical engagement tongues symmetrically projecting at two sides thereof so as to define two identical first semi-engagement grooves symmetrically indented between said two first semi-conical engagement tongues, wherein said two first semi-conical engagement tongues respectively define two first conically curved tongue surfaces symmetrically facing with each other, and said two first semi-conical engagement grooves respectively define two first conically curved groove surfaces symmetrically and continuously extended between said two first conically curved tongue surfaces, so as to form a continuous first joint surface for said first joint portion;
- (b) providing a second core body having a second joint portion which comprises two identical second semi-conical engagement tongues symmetrically projecting at two sides thereof so as to define two identical second semi-engagement grooves symmetrically, indented between said two second semi-conical engagement tongues, wherein said two second semi-conical engagement tongues respectively define two second conically curved tongue surfaces symmetrically facing with each other, and said two second semi-conical engagement grooves respectively define two second conically curved groove surfaces symmetrically and continuously extended between said two second conically curved tongue surfaces, so as to form a continuous second joint surface for said second joint portion, wherein a cone height of each of said first and second semi-conical engagement tongues is equal to a cone height of each of said first and second semi-conical engagement grooves, and thus a size of the shape of said first joint portion and said second joint portion are identical and symmetrical;
- (c) fittingly engaging said two second semi-conical engagement tongues in said two first semi-conical engagement grooves respectively while fittingly engaging said first semi-conical engagement tongues in said two second semi-conical engagement grooves respectively;
- (d) attaching said first core body and said second core body by integrally attaching said first joint portion and said second joint portion together to form a solid ball core;
- (e) providing a ball cover having a hollow spherical shape;
- and
- (f) covering said solid ball core by said ball cover.
4 more elements
Dependencies are inferred from the claim text.