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    • 12. 发明授权
    • Method of producing a slip-resistant substrate by depositing raised,
bead-like configurations of a compatible material at select locations
thereon, and a substrate including same
    • 通过在其上的选定位置沉积相容材料的凸起的珠状构造来制造防滑衬底的方法,以及包括其的衬底
    • US5368947A
    • 1994-11-29
    • US744199
    • 1991-08-12
    • Paul E. Denney
    • Paul E. Denney
    • B23K26/34C23C4/12C23C24/10C23C26/02B22F7/04
    • C23C4/12B23K26/32B23K26/324B23K26/34B23K35/0244C23C24/10C23C26/02B23K2203/02B23K2203/04B23K2203/05B23K2203/08B23K2203/10B23K2203/14B23K2203/18B23K2203/42B23K2203/50B23K2203/52Y10T428/12049Y10T428/12056Y10T428/12063Y10T428/1209Y10T428/12097Y10T428/12146
    • An article having a slip-resistant surface and method of producing the same includes metallurgically bonding raised bead-like configurations of a compatible material at select locations on the article surface. The method includes injecting, substantially simultaneously with projecting a high power radiant energy beam, powder particles into a portion of the beam lying a distance away from the point of impingement on the surface portion of the article. The particles interact with the beam for a time period sufficient to cause at least partial melting of a substantial number of particles which are then transported to a selected point on the surface portion. The partially melted particles, along with completely and/or any substantially unmelted particles, are allowed to bond with the surface material thereby forming a raised configuration thereon. The process is repeated for forming another raised configuration at another selected location on the surface portion for thereby forming a slip-resistant article. The configurations include an upright portion of substantially all sintered particles and extending a substantial distance above the surface portion, and an anchor portion which is embedded a slight distance into the surface portion and includes a weld of the base material uninterrupted with the sintered particles. The anchor portion has a height dimension which is substantially less than the height dimension of the configuration.
    • 具有防滑表面的制品及其制造方法包括在制品表面的选定位置处将兼容材料的凸起珠状构造冶金结合。 该方法包括基本上同时将粉末颗粒投射到远离冲击点远离制品的表面部分的波束的一部分中的基本同时地喷射。 颗粒与光束相互作用一段时间,足以使至少部分熔化大量的颗粒,然后将其输送到表面部分上的选定点。 部分熔融的颗粒以及完全和/或任何基本上未熔化的颗粒被允许与表面材料结合,从而在其上形成凸起构型。 重复该过程以在表面部分上的另一选定位置形成另一凸起构型,从而形成防滑制品。 这些构造包括基本上所有的烧结颗粒的直立部分,并且在表面部分之上延伸相当长的距离,以及在表面部分中嵌入一小段距离的锚定部分,并且包括与烧结颗粒不间断的基材的焊缝。 锚固部分​​的高度尺寸基本上小于构型的高度尺寸。
    • 15. 发明授权
    • Laser perforating process and article produced therein
    • 激光穿孔工艺及其制造的物品
    • US4857698A
    • 1989-08-15
    • US171800
    • 1988-03-22
    • Kenneth R. Perun
    • Kenneth R. Perun
    • B23K26/38B64C23/00
    • B64C23/00B23K26/382B23K26/40B23K2203/14B23K2203/50B64C2230/22Y02T50/166
    • A process for perforating a metal sheet with clean holes of substantially uniform size and shape comprises placing a suitable transparent backing tape, such as an adhesive polyethylene tape, on one surface of the metal sheet. The assembly is placed in a fixture, a laser beam generated by a pulsed Nd:YAG laser is impinged on the opposite surface of the metal sheet, and the laser parameters are chosen to control the laser beam to penetrate the metal sheet and form a plurality of small tapered holes therein without penetrating the tape. A clean metal surface results around the holes with no recast structure or dross present in and around the holes. A drilled titanium sheet of the above type is particularly suited for utility as an outer wing leading edge of an aircraft and which provides good laminar flow control efficiency.
    • 用具有基本均匀尺寸和形状的清洁孔穿孔金属片的方法包括在金属片的一个表面上放置合适的透明背衬带,例如粘合剂聚乙烯带。 将组件放置在夹具中,由脉冲Nd:YAG激光器产生的激光束撞击在金属片的相对表面上,并且选择激光参数以控制激光束穿透金属片并形成多个 的小锥形孔,而不会穿透胶带。 清洁的金属表面在孔周围产生,在孔内和周围不存在重铸结构或浮渣。 上述类型的钻孔钛片特别适用于作为飞行器的外翼前缘的实用性,并且其提供良好的层流控制效率。