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US 6,974,393 B2Granted
Golf club head
AssigneeCeramixgolf.com
InventorsBruce G. Caldwell, Franklin L. Gage, Michael A. Bluff, Sr., Ronald G. Holder
Life of this patent
Estimating the term…
Abstract
A golf club head has a body with a front, striking face, a rear face, an upper face and a lower face. A lightweight sole plate of glass fiber reinforced plastic material is secured across the lower face of the body.
Claims16
A golf club head, comprising:
- a body having a front, striking face, a rear face, an upper face and a lower face;
- a sole plate secured across the lower face of the body, the sole plate being made entirely of a first material comprising glass fiber reinforced polyphenylene sulfide (PPS);
- the body being made entirely of a second material different from the first material and the first material being lighter in weight than the second material, whereby the center of gravity of the club head is raised.
A golf club head, comprising:
- a body having a front, striking face, a rear face, an upper face and a lower face;
- a sole plate secured across the lower face of the body;
- the lower face of the body having a peripheral rim and an opening;
- the sole plate having a rim for securing around the peripheral rim of the body;
- an adhesive bonding layer being provided between the peripheral rim of the body and sole plate to secure the sole plate to the body;
- the body and sole plate being made of different materials;
- the sole plate being made entirely of glass fiber reinforced polyphenylene sulfide (PPS);
- and
- the body being made entirely of injection molded, ceramic composite material and the adhesive bonding layer being of epoxy material.
6 more elements
A golf club head, comprising:
- a body having a front, striking face, a rear face, an upper face and a lower face, the body being made entirely of a first material;
- a sole plate secured across the lower face of the body, the sole plate being made entirely of a second material different from the first material, the second material comprising glass fiber reinforced plastic material;
- and
- the lower face of the body having a first set of spaced, mating formations and the sole plate having an inner face having a second set of corresponding formations for mating engagement with the first set of mating formations on the lower face of the body;
- wherein the first set of mating formations comprises a plurality of bores and the second set of mating formations comprises a plurality of posts formed integrally with the sole plate and projecting from the inner face of the sole plate for mating engagement in said bores, the posts being engaged axially in the bores and secured in the bores by adhesive.
2 more elements
A golf club head, comprising:
- a body having a front, striking face, a rear face, an upper face and lower face;
- a sole plate secured across the lower face of the body, the sole plate being made entirely of glass fiber reinforced polyphenylene sulfide (PPS);
- the lower face of the body having a peripheral rim and an opening and the sole plate having an inner face having a peripheral rim secured around the peripheral rim of the body;
- the lower face of the body having a series of spaced bores and the inner face of sole plate having a series of integral posts projecting outwardly from said inner face and positioned for press fit mating engagement in said bores;
- and
- the bores being located at spaced intervals around said opening and adjacent said peripheral rim, and the lower face of the body having a rib extending between each adjacent pair of posts and engaging inside the peripheral rim of the lower face of the body when the posts are engaged in said bores.
3 more elements
Dependencies are inferred from the claim text.