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    • 1. 发明申请
    • Suction Dredge Lift Station
    • 抽吸疏通电梯站
    • US20170043353A1
    • 2017-02-16
    • US14824025
    • 2015-08-11
    • Frank E. ReedDavid S. Peterson
    • Frank E. ReedDavid S. Peterson
    • B03B11/00E02F3/90E02F7/10
    • E02F3/90E02F7/10
    • a mining dredge lift station having an elevatable hopper, wherein the hopper has an air opening and a dredge inlet, and where the hopper is in material communication with a tapered feed, to direct a material flow into a lift feed, wherein the lift feed connected in material communication to the tapered feed. The lift feed is curved from a lift feed opening with a generally downward orientation to a lift feed accelerated outlet with a generally upward direction of flow. A high-pressure hose attachment is connected to the lift feed at the outer radius of the curve, to orient a line-of-flow upward in the direction of the desired elevation for the mining material.
    • 挖掘疏浚提升站具有可升降的料斗,其中所述料斗具有空气开口和疏浚入口,并且所述料斗与锥形进料物料连通,以将材料流引导到提升进料中,其中所述提升进料连接 与锥形进料的材料通信。 提升进料从具有大致向下的方向的提升进料口弯曲成具有大致向上的流动方向的提升进料加速出口。 高压软管附件在曲线的外半径处连接到提升进料器,以将流线向上沿着用于采矿材料的期望高度的方向。
    • 10. 发明授权
    • Openable cardboard lid for extendable popcorn pans
    • 可打开的纸板盖可延伸的爆米花锅
    • US4288027A
    • 1981-09-08
    • US77382
    • 1979-09-20
    • David S. Peterson
    • David S. Peterson
    • B65D77/20B65D5/64B65D5/70
    • B65D77/2012B65D2577/205B65D2577/2091
    • An openable lid for covering a popcorn pan provided with an expandable top foil, comprises an opening device in the form of two circular score lines cooperating with an angular pull tab and having a protective satellite tab of a semi-circular shape with a base line integral with a circumferential section of the lid, a row of through-cuts extending along the base line and two parallel rows of through-cuts arranged to match the score lines of the opening device when the protective tab is folded-over against the bottom surface of the lid. To prevent an accidental breakage of the extendable aluminum foil bag due to the resistance of the protective tab against bending, the upper row of through-cuts is provided with lateral arcuate through-cuts bridging the lateral edges of the tab and the terminal through-cut lines in the upper row. In addition, the base line is reduced in length by cutting out in the base region lateral notches. Similar V-shaped notches can be also provided in the range of the upper row of the through-cuts.
    • 一种用于覆盖设置有可膨胀顶部箔片的爆米花锅的可打开盖,包括与两个圆形刻痕线形式的打开装置,其与角形拉片配合并具有半圆形形状的保护性卫星翼片,其具有基线积分 具有盖的圆周部分,沿着基线延伸的一排贯穿切口和两个平行的贯穿切割排,其布置成当保护片折叠抵靠着开口装置的底面时与打开装置的刻痕线相匹配 盖子。 为了防止可伸缩铝箔袋由于保护片抵抗弯曲的阻力而意外断裂,上排的贯穿切口设有桥接横梁的横向边缘的横向弧形通孔和端子通过切口 行在上排。 此外,通过在基部区域侧切口切割,基线的长度减小。 也可以在通孔的上排范围内提供类似的V形凹口。