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    • 2. 发明授权
    • Methods using reverse extrusion for production of identifiable projectiles
    • 使用反向挤压生产可识别的射弹的方法
    • US09134103B1
    • 2015-09-15
    • US14740491
    • 2015-06-16
    • Thomas Danaher Harvey
    • Thomas Danaher Harvey
    • F42B30/00F42B33/00
    • F42B33/00B21C23/186B21C23/24B21C51/00B21J9/06B21K21/04B21K25/00F42B12/00F42B35/00G06K19/07758G09F3/02G09F23/00
    • The current invention is directed to a cost effective method of manufacturing bullets or projectiles for use in firearms which are identifiable after firing and undergoing damage from striking targets. The mass production of large quantities of low cost ammunition makes adoption of a requirement that projectiles be so identifiable unlikely unless manufacturing methods and costs are not substantially disrupted.The method envisioned produces projectile bodies from rod or wire stock by parting slugs, piercing recesses, inserting tags and swaging a projectile body with a wholly or partially encased identification with indicia. The stock may be extruded around premade identification tags. The tags may have repeated indicia in each projectile and some indicia may be accessible from the outside of a completed round of ammunition. The swaging process retains the identification tags which are protected by the body of the projectile for recovery after the projectile is used.
    • 本发明涉及一种成本有效的制造用于火器中的子弹或射弹的方法,该火器在射出之后可识别并遭受来自击打目标的伤害。 大量低成本弹药的批量生产使得采用这样的要求,即,除非制造方法和成本基本上不被破坏,否则弹丸是不可能识别的。 所设想的方法通过分离s lug s,,cing recesses recesses,inserting ed ed ed ed ed ed ed ed ed ed ed。。。。。。。。。。。。。。。。。。 股票可能挤在预制识别标签周围。 标签在每个弹药中可能具有重复的标记,并且一些标记可以从完整弹药的外部进入。 模锻过程保留由弹丸体保护的识别标签,用于在使用弹丸后进行恢复。
    • 3. 发明申请
    • PUNCH FOR COLD BACKWARD EXTRUSION FORGING
    • 用于冷倒后挤压锻造
    • US20130333813A1
    • 2013-12-19
    • US13995546
    • 2011-12-19
    • Masayuki Natsui
    • Masayuki Natsui
    • B21D22/02C22F1/04
    • B21D22/02B21C23/186B21K1/18B21K21/06C22F1/04F16D2125/06F16D2200/003
    • A punch 1 includes a forming land portion 2 formed in parallel with a punch axis 7, a forming R-portion 3 having an arc-shaped cross-section and formed continuously with the forming land portion 2 on a tip end side with respect to the forming land portion 2, and a recess portion 5 formed on a base end side with respect to the forming land portion 2 and having a diameter smaller than a diameter of the forming land portion 2. A Rockwell hardness HRF of the blank 20 is within a range of 65 to 105. The curvature radius R of the forming R-portion 3 of the punch 1 is set to be larger than the thickness L of a cylindrical peripheral wall portion 21 of the forged product 25. The length B of the forming land portion 2 of the punch 1 is set within a range of 0.05 to 0.15 mm. The recess width C of the recess portion 5 with respect to the forming land portion 2 of the punch 1 is set within a range of 0.15 to 1.0 mm.
    • 冲头1包括与冲头轴线7平行形成的成形台面部分2,具有弧形横截面的成形R部分3,其与成形台面部分2相对于第一部分 形成地面部分2以及相对于成形台面部分2形成在基端侧的凹槽部分5,其直径小于成形台阶部分2的直径。坯件20的洛氏硬度HRF在 冲头1的成形R部3的曲率半径R被设定为大于锻造品25的圆筒状周壁部21的厚度L.成形刃的长度B 冲头1的部分2设定在0.05〜0.15mm的范围内。 凹部5相对于冲头1的成形台面部2的凹部宽度C设定在0.15〜1.0mm的范围内。
    • 5. 发明申请
    • Method for forging/molding a coarse blank of an aluminum transmission shaft
    • 铝传动轴的粗坯的锻造/成型方法
    • US20060016077A1
    • 2006-01-26
    • US10899486
    • 2004-07-26
    • Chang Liu
    • Chang Liu
    • B21D47/00
    • F16C3/02B21C23/035B21C23/186B21K1/74Y10T29/49616Y10T29/49622Y10T29/4998
    • A method for forging/molding a coarse blank of an aluminum transmission shaft, including steps of: placing burn-in softened aluminum material into a preheated mold; using a first punch head to first forge the aluminum material in the mold cavity from outer side of the molding hole so as to form a blank body of the transmission shaft with two pivot heads at two ends and a shorter middle shaft rod; moving out the first punch head and connecting an extension mold with the mold; and immediately using a second punch head to secondarily forge the blank body in the mold cavity from outer side of the extension hole so as to make an end section of the second punch head extend into the mold cavity to a position near the inner end of the mold cavity, whereby the middle shaft rod of the blank body outward axially extends to the extension mold into a predetermined length to form the transmission shaft.
    • 一种用于锻造/模制铝传动轴的粗坯的方法,包括以下步骤:将经煅烧的软化铝材料放入预热的模具中; 使用第一冲头首先从模制孔的外侧锻造模腔中的铝材料,以形成传动轴的坯体,其两端具有两个枢轴头和较短的中轴杆; 移出第一个冲头并将延伸模与模具相连; 并且立即使用第二冲头来从延伸孔的外侧二次锻造模腔中的坯体,使得第二冲头的端部部分延伸到模腔中至靠近内腔的位置 模腔,由此坯体的中轴杆向外轴向延伸到延伸模具预定长度以形成传动轴。
    • 9. 发明申请
    • IMPACT EXTRUSION METHOD, TOOLING AND PRODUCT
    • 冲击挤压方法,工具和产品
    • US20160214156A1
    • 2016-07-28
    • US14983025
    • 2015-12-29
    • Betty Jean PILONPeter STATHOPOULOSGeorgi GEORGIEVBenjamin Joseph PILON
    • Betty Jean PILONPeter STATHOPOULOSGeorgi GEORGIEVBenjamin Joseph PILON
    • B21C23/18
    • B21C23/18B21C23/186B21C25/04B21C26/00B21D26/049
    • A hollow preform impact extruded from a metal billet to produce a progressing wall at a transition wall thickness. An axially forward portion of the progressing wall is ironed by extrusion past an extrusion point to form a sidewall portion of a lesser thickness. Extruding is stopped while some of the billet remains to form the closed bottom end. The preform has a bottom portion, a sidewall portion and a transition wall portion extending between the bottom portion and the sidewall portion. The transition wall portion is thicker than the sidewall portion and can be formed into at least part of the rim of an expansion shaped container. An impact extrusion punch has a central axis, an axially forward, impact surface for impacting metal to be extruded, a transition region for directing material displaced by the impact surface and a rear extrusion point for ironing material extruded past the transition region.
    • 从金属坯料挤出的中空预制件冲击,以产生过渡壁厚度的前进壁。 前进壁的轴向向前部分通过挤出经过挤压点而被熨烫以形成较小厚度的侧壁部分。 挤压停止,而一些坯料保持形成封闭的底端。 预成型件具有在底部和侧壁部分之间延伸的底部,侧壁部分和过渡壁部分。 过渡壁部分比侧壁部分厚,并且可以形成为膨胀形容器的边缘的至少一部分。 冲击挤压冲头具有中心轴线,轴向向前冲击表面,用于冲击被挤出的金属,用于引导被冲击表面移动的材料的过渡区域和用于挤压过渡区域的熨烫材料的后挤压点。