A metallic golf club head formed with a one-piece thin-walled forward body including a ball striking face, a perimeter wall having a uniform rearward depth and a hosel, and a rear cover that encloses the perimeter wall.
An improved proppant and a method of increasing the conductivity of the fractures of subterranean formations is described. The proppant contains a mixture of bondable particles and removable particles. The bondable particles within a subterranean formation, adhere to adjacent bondable particles to f ...
A method of making a custom, bioimplantable article, such as a joint prosthesis component, is provided using computer aided design, rapid prototyping, and investment casting techniques. The method includes the creation of a data file, using computer aided design (CAD) techniques, that defines a nega ...
A method and apparatus is described for making a custom fixation device. The apparatus comprises a means for scanning a treatment site and for producing image data representative of the treatment site. A means for generating a set of vectors is included for defining a set of points, the set of vecto ...
A golf club head and method of manufacture in which the golf club head comprises a body having a striking face, side walls, a neck portion and a heel and toe portion formed as an integral unit, said golf club body being attached to a top plate by screwing, gluing or welding wherein the top plate can ...
A method of investment casting utilizes a pattern produced by stereolithography in which a three-dimensional specimen is provided by light cure of ethylenically unsaturated liquid material. The stereolithography composition is constituted by the ethylenically unsaturated liquid material in admixture ...
An aluminum metal matrix composite comprises an aluminum metal matrix embedding a second filter, such as a ceramic second filler, and is formed by contacting, for example, a molten aluminum metal with a permeable mass of second filler within a ceramic impervious mold formed by growing a polycrystall ...
A method is disclosed for producing a hollow airfoil, specifically, a blade or vane for a gas turbine engine, which is formed with a complex interior for cooling purposes. Broadly, the method comprises the steps of molding a green ceramic core having outer surfaces generally contoured to produce the ...
A sintered metal die or mold having formed therein an internal channel for conducting a heat transfer medium therethrough, and a method for producing same. The method includes the steps of disposing sintering powder, such as iron, copper, tungsten carbide or titanium carbide, in a frame or box, abou ...
Concepts for fabricating improved cores for investment casting are described. The cores are composite which include refractory metal elements and ceramic elements. The refractory metal elements are provided to enhance the mechanical properties of the core and/or to permit the fabrication of cores ha ...
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