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  Golf headUSPTO Application #: 20080102976Title: Golf head Abstract: A golf head of present invention comprising: A top part makes from light materials with the specific gravity is under 3. The top part provides a neck portion with an axis hole therein for a golf club to plug in. A bottom part mounts under the top part and makes from metals with the specific gravity is over 4. A face part with cup shape has a face and the edge of the face extrudes backward to from a plate potion, the face part mounts in front of the bottom part and the top part and makes from elastic metals like titanium alloy, stainless steel or maraging steel. (end of abstract) Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw - Washington, DC, US Inventor: Archer C.C. Chen USPTO Applicaton #: 20080102976 - Class: 473305 (USPTO) The Patent Description & Claims data below is from USPTO Patent Application 20080102976. Brief Patent Description - Full Patent Description - Patent Application Claims
BACKGROUND OF THE INVENTION [0001]1. Field of the Invention [0002]The present invention relates to golf and more particularly to golf head with three pieces structures provides special specific weight structures [0003]2. Description of the Related Art [0004]The design of the golf head requires the center-gravity as lower as better. Thus, the weight of the top should be as lighter as better and the face should provide a better elastic strength to prevent breaking and push the ball far away also and to deal with the strong stress from hitting a ball. SUMMARY OF THE INVENTION [0005]The one object of the present invention is to provide golf head with three pieces structures. The top of the golf head is light and the bottom has the character of wear-resisting and center-gravity adjustment and the face provides a better elastic strength. But, the golf head structures need to consider the combination problem between different materials in order to combine different materials to over come the strong stress. [0006]The other object of present invention is to provide a solution for combining different materials. [0007]To achieve those objects of the present invention, the golf head in present invention, comprising: A top part makes from light materials with the specific gravity is under 3. The top part provides a neck portion with an axis hole therein for a golf club to plug in. A bottom part mounts under the top part and makes from metals with the specific gravity is over 4. A face part with cup shape has a face and the edge of the face extrudes backward to from a plate potion, the face part mounts in front of the bottom part and the top part and makes from elastic metals like titanium alloy, stainless steel or maraging steel. [0008]In present invention, there are fillisters and flanges on the connecting portion of every part to enhance the structures. [0009]The plate portion of present invention was designed as a long thin elastic slice to provide better bending elasticity and reduces the stress to affect the connecting edge. So, this design can makes the structures become more stable thin and light. BRIEF DESCRIPTION OF THE DRAWINGS [0010]FIG. 1 is an appearance view of present invention; [0011]FIG. 2 is a section view of line 2-2 in FIG. 1 of present invention; [0012]FIG. 3 is an enlargement view about the portion in the circle of FIG. 2 of present invention; [0013]FIG. 4 is a section view of line 3-3 in FIG. 1 of present invention; [0014]FIG. 5 is almost the same with the FIG. 4 shown the combination structures of present invention further; DETAILED DESCRIPTION OF THE INVENTION [0015]A golf head 10 of the first embodiment of present invention, comprising: [0016]A top part 20 makes from light materials like engineering polymers, carbon fiber reinforce resin, magnesium alloy or aluminum alloy with the specific gravity is under 3. The top part provides a neck portion 21 with an axis hole 22 therein for a golf club to plug in. [0017]A bottom part 30 mounts under the top part 20 and makes from metals like titanium alloy, stainless steel, normal iron materials, tungsten-nickel alloy by powder metallurgy, tungsten-copper alloy by powder metallurgy or the combination of aforesaid materials with the specific gravity is over 4. [0018]A face part 40 with cup shape has a face 41 and the edge of the face 41 extrudes backward to from a plate potion 42. The face part 40 mounts in front of the bottom part 30 and the top part 20 and makes from elastic metals like titanium alloy, stainless steel or maraging steel. [0019]Referring to FIG. 2, there is a fillister 23 and a flange 31 that scarf in coordination on the connecting edge of the top part 20 and the bottom part 30. There are fillisters 24 32 and a flange 43 that scarf in coordination on the connecting edge of the face part 40 and the top part 20 and the bottom part 30 also. [0020]By the engagement of the fillister and the flange, those parts of present invention can unite with others by brazing or by adhesive like epoxy resin. For example: the top part 20 makes from the magnesium alloy with shake absorbing function and the face part 40 makes from elastic and light titanium alloy and the bottom part 30 makes from stainless steel with weight and wear-resisting characters. Because the melting point of the magnesium is low, it can not combine with other material by brazing or other normal welding but adhesive. Due to the engagement structures between each part and the neck portion sets on the top part in present invention, the face part will be pressed on the top part and the bottom part by the stress when hitting a ball. The plate potion 42 will constrain the top part and the bottom part also. This is the reason why the golf head of present invention can combine only with adhesive without breaking problem. Because of this structure, the top part can make from even engineering polymers or carbon fibers reinforce resin and the like to make it lighter. Continue reading... Full patent description for Golf head Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Golf head patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. Start now! - Receive info on patent apps like Golf head or other areas of interest. ### Previous Patent Application: Golf club head Next Patent Application: Metal wood club with improved moment of inertia Industry Class: Games using tangible projectile ### FreshPatents.com Support Thank you for viewing the Golf head patent info. 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