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Clubface of golf club head and method for fabricating the sameRelated Patent Categories: Games Using Tangible Projectile, Golf, Club Or Club Support, Head, Particular Material Composition Or Mass DistributionClubface of golf club head and method for fabricating the same description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20070072699, Clubface of golf club head and method for fabricating the same. 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 a clubface of golf club head and a method for fabricating the same, and in particular to a clubface of golf club head fabricated by electrical mould sintering and associated method. [0003] 2. Description of Related Art [0004] A clubface of golf club head is made of metal with high strength because the clubface is subjected to and withholds massive impact. In addition, surface of the clubface is usually not flat but curved. In this regard, it is rather complicated to fabricate the clubface of the golf club head. Especially, melting point of the metal with high strength is very high so the clubface of the golf club head cannot be fabricated by casting process. [0005] In prior art, the clubface of the golf club head is usually cut or carved out by cutting tool with very high strength so that curved surface is formed on the clubface. However, it spends too much valuable metal to carve the golf club head, and it is impossible to fabricate the clubface in mass production by this cutting process. [0006] Thus, there is a need for a clubface of golf club head and a method for fabricating the same. SUMMARY OF THE INVENTION [0007] It is an object of the present invention to provide a clubface of golf club head and a method for fabricating the same. The clubface of the present invention can be fabricated in mass production and will not consume much more valuable metal. [0008] It is another object of the present invention to provide a clubface of golf club head and a method for fabricating the same. It is convenient to fabricate curved surface of the clubface of the golf club head in mass production. [0009] To achieve object of the present invention, a method for fabricating a clubface of golf club head is provided. The method comprises the steps: providing a conductive top mould and a conductive bottom mould; placing titanium powder on the conductive bottom mould; electrifying the conductive top mould and the conductive bottom mould; providing consistent pressure to have the conductive top mould in contact with the conductive bottom mould; consistently electrifying the conductive top mould and the conductive bottom mould for a predetermined period; removing electricity; and removing the conductive top mould and taking out the clubface of the golf club head. BRIEF DESCRIPTION OF THE DRAWINGS [0010] The present invention can be fully understood from the following detailed description and preferred embodiment with reference to the accompanying drawings, in which: [0011] FIG. 1 is a flowchart illustrating a method for fabricating a clubface of golf club head according to the present invention; [0012] FIG. 2 is a drawing schematically illustrating how to place metallic powder according to the method of present invention; [0013] FIG. 3 is a drawing schematically illustrating how the mould is subjected to electrical voltage according to method of the present invention; and [0014] FIG. 4 is a drawing schematically illustrating how clubface of golf club head is assembled to a golf shaft according to the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [0015] The following detailed description is of the best presently contemplated modes of carrying out the invention. This description is not to be taken in a limiting sense, but is made merely for the purpose of illustrating general principles of embodiments of the invention. The scope of the invention is best defined by the appended claims. [0016] Reference is made to FIG. 1. FIG. 1 illustrates a flowchart of method for fabricating a clubface of golf club head according to the present invention. Reference is made to FIGS. 2 and 3. FIGS. 2 and 3 schematically illustrate the method for fabricating a clubface of golf club head according to the present invention. The processing of the flowchart is described in detail below. [0017] Step 41: In step 41, a top mould 10 and a bottom mould 20 are provided. The top mould 10 and the bottom mould 20 are conductive and made of metallic material that withholds high voltage, for example made of graphite. And, the top mould 10 and the bottom mould 20 are formed with a top mould cavity 12 and a bottom mould cavity 22 corresponding to a shape of the clubface of the golf club head, respectively. Top surface of the bottom mould 20 is encircled by an insulation spacer 24 that abuts against the bottom surface of the top mould 10 to prevent the top mould 10 and the bottom mould 20 from being short circuits. Then, processing goes to step 42. [0018] Step 42: In step 42, titanium powder 30 is placed on the bottom mould cavity 22 of the bottom mould 20. It is easy to manufacture titanium powder 30 with small size but it spends much more time to manufacture titanium powder 30. According to the present invention, it is recommended that size of the titanium powder 30 is smaller than 40 .mu.m. Then, processing goes to step 43. [0019] Step 43: In step 43, because the top mould 10 is downwardly pushed so that the titanium powder 30 is positioned between the top mould 10 and the bottom mould 20. In this step, before the top mould 10 is in contact with the bottom mould 20, the top mould 10 will be in contact with the titanium powder 30. Then, processing goes to step 44. [0020] Step 44: In step 44, the top mould 10 and the bottom mould 20 are electrified by high voltage electricity. According to the present invention, it is recommended that the high voltage ranges from 10,000 voltage to 500,000 voltage. Because the titanium powder 30 is higher then the top surface of the bottom mould 20, the top mould 10 will contact the titanium powder 30 firstly when pushed down. When the titanium powder 30 is electrified by the high voltage, oxide (TiO.sub.2) of the titanium powder 30 is heated and vaporized out of the top mould 10 and the bottom mould 20 so that pure titanium powder is formed. The titanium powder 30 is sintered by high temperature in a short time. In this regard, the clubface that is sintered is formed to prevent the titanium powder 30 from oxidizing. Therefore, the present invention solves the problem that titanium powder is easily oxidized and affects the sintering effect. Then, processing goes to step 45. Continue reading about Clubface of golf club head and method for fabricating the same... Full patent description for Clubface of golf club head and method for fabricating the same Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Clubface of golf club head and method for fabricating the same 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. 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