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    • 1. 发明申请
    • CoCr alloys and methods for making same
    • US20050155679A1
    • 2005-07-21
    • US10410895
    • 2003-04-09
    • Michael WyteSteve Nootens
    • Michael WyteSteve Nootens
    • B22D21/02C22C1/02C22C19/07C22F1/10
    • C22C19/07B22D21/025C22C1/02C22F1/10
    • A method of producing a forged part is described. The method includes the steps of: preparing an ingot consisting essentially of: ElementWeight Percent C0.00-0.35 Si0.00-1.00 Cr26.00-30.00 Mo5.00-7.00 Ni0.00-1.00 Fe0.00-0.75 Mn0.00-1.00 N0.00-0.25 CoBalance (b) determining the ingot melting temperature; (c) determining the pouring temperature; (d) minimizing the difference between the pouring temperature and the mold temperature to no more than about 100° F.; (e) designing an investment casting preform geometry to achieve uniform reduction in all sections of the part; (f) preparing an investment mold; (g) molding the part by casting; (h) placing the part in a forging die; (i) subjecting the part to one or more forging hits at a forging preheat of between about 1700° F. and about 1800° F. to achieve a reduction of about 15% to about 20%; (j) vacuum annealing the part at between about 1800° F. and about 2400° F. for about 30 minutes to about 8 hours under a partial pressure of argon; (k) quenching the part to below about 1400° F. in about 5 minutes or less under a minimum of about 5 bars of argon; and (l) subjecting the part to one or more forging hits at between about 1200° F. and about 2200° F. to achieve a final about 3% to about 60% of reduction. The pouring temperature is preferably no more than about 100° F. from the ingot melting temperature. The investment mold has one or more gates. The forging die is designed to match the preform geometry to facilitate homogeneous percentage reduction in all areas and section thicknesses of the part.
    • 2. 发明授权
    • Iron golf club head
    • 铁高尔夫球杆头
    • US5833551A
    • 1998-11-10
    • US787113
    • 1997-01-22
    • Benoit VincentBret WahlSteve Nootens
    • Benoit VincentBret WahlSteve Nootens
    • A63B53/04
    • A63B53/047A63B53/04A63B2053/0433A63B2053/0458A63B2053/0491
    • An iron golf club head provided with a cavity that is open rearwardly and surrounded by a peripheral edge, the head including a body made of a low density metallic material and an attached insert made of material of higher density than the density of the body material. The peripheral edge has a lower portion extending vertically beneath the cavity and extending horizontally from the toe area to the heel area, whereby the insert occupies at least one part of the lower portion and has a generally crescent shape, with a concave upper central portion and raised lateral portions at the heel and at the tip, respectively. In a particular embodiment, the body of the club head is provided with a housing arranged in the sole and extending continuously from the toe area to the heel area, with the insert occupying the housing and being sandwiched between the striking surface and the peripheral edge. In a further embodiment, the housing of the insert is demarcated by a wall of the striking surface and by a rear central edge extending from the edge of the cavity up to the sole and on only a portion of the length of the club head, the housing being open rearwardly and in the direction of the sole in the toe area and heel area, and the housing having a general crescent shape which includes a central notch defining a reduction of the thickness of the flanks, in which the rear central edge of the body takes position. In yet another embodiment, the body includes a recessed area extending from the toe area to the heel area and beneath the open cavity in the direction of the sole, with the insert occupying the recessed area and being fixed by a dovetail- type linkage.
    • 一种铁高尔夫球杆头,其设置有向后敞开并被周边边缘包围的空腔,头部包括由低密度金属材料制成的主体和由比主体材料的密度高的材料制成的附接插件。 外围边缘具有在空腔下方垂直延伸的下部,并且从脚趾区域水平延伸到跟部区域,由此插入物占据下部的至少一部分并且具有大体上新月形,具有凹的上中心部分和 分别在脚后跟和尖端处的侧向部分凸起。 在特定实施例中,球杆头的主体设置有设置在鞋底中的壳体并且从脚趾区域连续延伸到跟部区域,插入件占据壳体并且夹在打击表面和周边边缘之间。 在进一步的实施例中,插入件的壳体被打击表面的壁划分,并且由从腔的边缘延伸到鞋底并且仅在球杆头的长度的一部分上延伸的后中央边缘, 壳体在脚趾区域和跟部区域中向后开放并且在鞋底的方向上,并且壳体具有一般的新月形形状,其包括限定侧面厚度减小的中心凹口,其中, 身体就位。 在另一个实施例中,主体包括从脚趾区域延伸到脚跟区域并且在开放空腔下方在鞋底方向上的凹陷区域,插入件占据凹陷区域并且通过燕尾型连杆固定。