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    • 2. 发明授权
    • Flange-forming tool
    • 法兰成型工具
    • US4802355A
    • 1989-02-07
    • US114614
    • 1987-10-29
    • Nelson Ezell
    • Nelson Ezell
    • B21D19/04B21D19/02
    • B21D19/043
    • An apparatus and method for forming a conical flange about a circular opening in a malleable sheet material are provided. A plurality of flange-forming members are adapted to engage the circular opening in a material-opposing relationship. The members are then translated about the opening while maintaining the material-opposing relationship and varying the angular positions of the flange-forming members with respect to the material such that the conical flange is formed therein when the members are translated.
    • 提供了一种用于在可延展的片材中围绕圆形开口形成圆锥形凸缘的装置和方法。 多个凸缘形成构件适于以材料相对的关系接合圆形开口。 然后将构件围绕开口平移,同时保持材料相对关系并且相对于材料改变凸缘成形构件的角位置,使得当构件平移时形成锥形凸缘。
    • 4. 发明授权
    • Apparatus for impressing a strip along its edge
    • 用于沿其边缘压印条的装置
    • US4627258A
    • 1986-12-09
    • US750856
    • 1985-07-01
    • Hans J. LogesHermann Wilkening
    • Hans J. LogesHermann Wilkening
    • B21D19/02B21C47/26B21D13/04B21D19/04B21D43/02B21D37/04B21D37/06
    • B21C47/26B21D13/04B21D19/04B21D43/022
    • An apparatus for shaping a strip, especially a metal strip includes a pair of working rolls which are provided with a plurality of forming tools spaced about the circumference of the rolls. Arranged before the working rolls is a pair of guide rolls which run in synchronism with the strip speed. In order to be able to increase the operating speed of the apparatus, i.e. to allow the working rolls to run at a higher speed than the advance speed of the strip, in between the guide rolls and the working rolls a roller is located which is movable in a direction perpendicular to the advance motion of the strip and is supported by the strip itself and by springs located in respective casing. A compensation between the different speeds of the guide rolls and the working rolls is provided by the gradual depression of the roller by the strip against the force of the spring.
    • 用于成形条,特别是金属条的装置包括一对工作辊,其设置有围绕辊的圆周间隔开的多个成形工具。 在工作辊之前安排一对与条带速度同步运行的导辊。 为了能够提高设备的操作速度,即允许工作辊以比带的前进速度更高的速度运行,在导向辊和工作辊之间设置有可移动的辊子 在垂直于条的前进运动的方向上,并且由条本身和位于相应的壳体中的弹簧支撑。 引导辊和工作辊的不同速度之间的补偿是通过克服弹簧力的作用使钢带逐渐压下的。
    • 7. 发明授权
    • Closer for sheet metal locks
    • 更贴近钣金锁
    • US3877286A
    • 1975-04-15
    • US49648074
    • 1974-08-12
    • FONTAINE RAYMOND LFONTAINE GARY R
    • FONTAINE RAYMOND LFONTAINE GARY R
    • B21D39/02B21D19/02
    • B21D39/02Y10T29/53791
    • A closer is provided for use with a sheet metal lock. The lock is of substantially U-shaped cross-section and has parallel inner and outer legs and an intermediate leg joining said inner and outer legs about at right angles thereto. The closer has a stationary plate adapted to abut the intermediate leg. The stationary plate is provided with a first edge. The closer also has a movable plate adapted to abut the outer leg. The movable plate is provided with a second edge. A hinge connects the stationary and movable plates for relative swinging movement about an axis approximately coincident with the edges. An actuating mechanism has a cylinder fixed to the stationary plate and provided with a hand grip. A piston reciprocable in the cylinder is connected to the movable plate for swinging the movable plate through about ninety degrees toward the stationary plate under gas pressure controlled by a valve on the hand grip. A spring returns the piston and movable plate to original position. There is a tooth upstanding from the stationary plate adapted to abut the inner leg of the lock.
    • 提供了一种与金属片锁一起使用的更靠近的装置。 该锁具有基本上U形的横截面并且具有平行的内部和外部腿部以及与所述内部腿部和外部腿部成直角连接的中间腿部。 靠近者具有适于邻接中间腿的固定板。 固定板设置有第一边缘。 靠近器还具有适于抵靠外腿的活动板。 可移动板设置有第二边缘。 铰链连接固定板和可移动板,用于围绕与边缘大致重合的轴线进行相对摆动。 致动机构具有固定在固定板上并具有手柄的圆筒。 在气缸中可往复运动的活塞连接到可动板,用于在由手柄上的阀控制的气体压力下使可移动板摆动约90度朝向固定板。 弹簧将活塞和活动板返回原来的位置。 从固定板上直立的牙齿适于抵靠锁的内腿。