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    Aluminum electrical conductor
    41.
    发明授权
    Aluminum electrical conductor 失效
    铝电导体

    公开(公告)号：US3663216A

    公开(公告)日：1972-05-16

    申请号：US3663216D

    申请日：1970-08-10

    Applicant: ALUMINUM CO OF AMERICA

    Inventor： HUNSICKER HAROLD Y

    IPC: C22C21/00 ,  H01B1/02 ,  C22F1/04

    CPC classification number: H01B1/023 ,  C22C21/00

    Abstract: Aluminum conductor containing 0.25 to 0.5% Cu and 0.05 to 0.20% Mg and having good tensile strength and a minimum electrical conductivity of 60 percent IACS together with good bendability and improved connector conduction stability. A preferred fabrication method contemplates working at temperatures that retain the Cu and Mg is solid solution but also impart strain hardening, a drastic cold reduction to produce a severely strain hardened conductor product followed by a controlled thermal treatment to relax a certain amount of the strain and precipitate a portion of the Cu and Mg.

    Abstract translation: 铝导体含有0.25至0.5％的Cu和0.05至0.20％的Mg，具有良好的拉伸强度和最小导电率为60％IACS，同时具有良好的弯曲性和改进的连接器导电稳定性。 优选的制造方法考虑在保持Cu和Mg是固溶体的温度下工作，但也赋予应变硬化，大幅度的冷还原以产生严重应变硬化的导体产物，随后进行受控热处理以松弛一定量的应变， 沉淀出一部分Cu和Mg。

    Alumina trihydrate pigment and process for the preparation thereof
    43.
    发明授权
    Alumina trihydrate pigment and process for the preparation thereof 失效
    氧化铝三水晶颜料及其制备方法

    公开(公告)号：US3653937A

    公开(公告)日：1972-04-04

    申请号：US3653937D

    申请日：1969-08-11

    Applicant: ALUMINUM CO OF AMERICA

    Inventor： KOENIG JAMES J ,  HART LEROY D

    IPC: C01F7/02 ,  C09C1/40

    CPC classification number: C01F7/02 ,  C01P2004/62 ,  C01P2006/22 ,  C09C1/407

    Abstract: Alumina trihydrate of an average particle size of less than about 0.7 micron and a dispersibility in water of at least about 70 percent by weight. The trihydrate is prepared by heating a slurry containing a mix of alumina hydrate of a particle size of less than 0.7 micron and an alkaline solution at 150*-220* F for from 5 to 45 minutes, separating the resulting alumina trihydrate from the slurry, dispersing it with the aid of a dispersing agent, and then drying it.

    Abstract translation: 平均粒度小于约0.7微米的氧化铝三水合物和在水中的分散性为至少约70重量％。 通过将含有粒径小于0.7微米的氧化铝水合物和150-220°F的碱性溶液的混合物的浆料加热5至45分钟来制备三水合物，将所得的三水合氧化铝与浆料分离， 在分散剂的帮助下分散，然后干燥。

    Easy opening device for a rectangular container end
    44.
    发明授权
    Easy opening device for a rectangular container end 失效
    用于矩形容器的易开启装置

    公开(公告)号：US3653536A

    公开(公告)日：1972-04-04

    申请号：US3653536D

    申请日：1970-08-31

    Applicant: ALUMINUM CO OF AMERICA

    Inventor： SCHRECKER HOWARD DALE

    IPC: B65D17/00 ,  B65D17/24

    CPC classification number: B65D17/4011

    Abstract: An easy opening rectangular container wall which has a line of weakness around its periphery defining a removable portion in the container wall and which has a tab attached to the removable portion in one corner, as by means of an integral rivet, and a downward embossment in the removable portion including a wing section spread outwardly from adjacent the attachment and a narrow tail section joined to the wing section.

    Abstract translation: 一个容易打开的矩形容器壁，其周边具有一条弱化线，其在容器壁中限定可移除部分，并且具有通过一体式铆钉连接到一个角部中的可移除部分的突出部，以及向下压花 所述可移除部分包括从邻近所述附件向外展开的翼部和与所述翼部接合的窄尾部。

    Method of making a laminated container wall structure
    45.
    发明授权
    Method of making a laminated container wall structure 失效
    制造层压容器壁结构的方法

    公开(公告)号：US3632461A

    公开(公告)日：1972-01-04

    申请号：US3632461D

    申请日：1969-05-16

    Applicant: ALUMINUM CO OF AMERICA

    Inventor： GAYNER HERBERT ,  DEMSEY JOHN N JR

    IPC: B21D51/38 ,  B21D51/44 ,  B32B15/08 ,  B65D8/16 ,  B65D17/34 ,  B65D65/42 ,  B65D83/14 ,  B32B31/20

    CPC classification number: B21D51/44 ,  B21D51/383 ,  B32B15/08 ,  B65D17/404 ,  Y10T156/1064 ,  Y10T428/15 ,  Y10T428/24612 ,  Y10T428/269

    Abstract: A method of manufacturing a laminated metal container wall having an integral opening device. Providing a metal sheet, coating the sheet with an adhesive selected from the group consisting of epoxy, polyester and polyurethane and subsequently securing to the sheet by means of the adhesive a continuous layer of barrier material selected from the group consisting of lowdensity polyethylene, high-density polyethylene and cast polypropylene. Subsequently scoring said sheet to define a severable and/or removable sector and leaving residual metal along the score line of a thickness of about 0.002 to 0.006 inch. Effecting the scoring while preserving the integrity of the barrier by maintaining continuity of the layer of barrier material. Simultaneously with the scoring operation reducing the thickness of the barrier material in the regions underlying the scoring through compressibly established flow without penetrating entirely through the layer. This compressibly established flow serves to reduce the shear resistance to severance of the barrier when the laminated container wall is opened. An outer protective material selected from the group consisting of a polyester, polyvinylidene chloride, polyvinyl chloride and medium- or highdensity polyethylene may be continuously secured to the barrier material. A laminated metal container wall made by the above method having a barrier material thickness of about 0.002 to 0.003 inch in the portion not underlying the score line and a reduced thickness in the portion underlying the score line. The barrier material having a continuous panel covering structure. An outer protective material selected from the medium- consisting of a polyester, polyvinylidene chloride, polyvinyl chloride and medium- or highdensity polyethylene secured to the barrier material.

    Abstract translation: 一种具有整体打开装置的层压金属容器壁的制造方法。 提供一种金属片材，用选自环氧树脂，聚酯和聚氨酯的粘合剂涂覆片材，然后通过粘合剂将粘合剂固定在片材上，连续的阻挡材料层选自低密度聚乙烯， 高密度聚乙烯和流延聚丙烯。 随后对所述片材进行刻痕以限定可分离和/或可移除的扇区，并沿着刻痕线留下残余金属，厚度为约0.002至0.006英寸。 通过保持屏障材料层的连续性来实现评分，同时保持屏障的完整性。 与评分操作同时，通过可压缩建立的流动而不渗透穿过该层，从而减小了评分下方区域中的阻隔材料的厚度。 这种可压缩建立的流动用于当打开层压的容器壁时降低对屏障切断的抗剪切性。 选自聚酯，聚偏二氯乙烯，聚氯乙烯和中密度或高密度聚乙烯的外部保护材料可以连续地固定在阻挡材料上。

    Self-damping cable
    47.
    发明授权
    Self-damping cable 失效

    公开(公告)号：US3619480A

    公开(公告)日：1971-11-09

    申请号：US3619480D

    申请日：1970-09-08

    Applicant: ALUMINUM CO OF AMERICA

    Inventor： BAKER MARK A ,  RAWLINS CHARLES B

    IPC: H01B5/10 ,  H01B5/00 ,  H02G7/14

    CPC classification number: H01B5/10

    Abstract: A self-damping electrical conductor for suspension between spaced supports, the conductor including a hollow conductive mantle and a conductive core loosely disposed therein. The conductive core comprises at least two substantially straight conductors extending through the mantle in essentially parallel relationship to the longitudinal axis thereof, and loosely disposed with respect to each other and to the mantle. The conductive mantle and the core conductors have several different combinations of stress-strain characteristics, density, and coefficient of thermal expansion, such that the core conductors inherently seek different sags when the mantle and core are suspended under tension between supports.

    Pilferproof closure with vertical weakening lines
    49.
    发明授权
    Pilferproof closure with vertical weakening lines 失效
    防抱死带有垂直线的紧固件

    公开(公告)号：US3601273A

    公开(公告)日：1971-08-24

    申请号：US3601273D

    申请日：1969-01-31

    Applicant: ALUMINUM CO OF AMERICA

    Inventor： KUTCHER HOWARD R

    IPC: B65D41/34 ,  B65D41/20 ,  B65D55/02

    CPC classification number: B65D41/348 ,  B65D2101/0046 ,  B65D2101/0053 ,  B65D2101/0061

    Abstract: The subject matter relates to a pilferproof closure for a container in which the closure is threadedly engaged with the thread of the neck of the container and is of the type which includes a locking band at its lower end having its lower edge turned under a shoulder on the container neck, with the locking band being separated from the main body of the closure by a circumferential line of lancing and spaced bridges, with the bridges being the sole means of attachment of the band to the main body of the closure. The locking band is provided with several circumferentially spaced vertical weakening lines, preferably four equally spaced, which rupture on unscrewing of the closure to produce outwardly flared sectors in said locking band, whereby the entire closure, including the locking band, is completely removable from the container neck. The bridges do not fracture for the most part, but instead function to provide bend lines for the outwardly flared sectors.

    Aluminum base alloy
    50.
    发明授权
    Aluminum base alloy 失效

    公开(公告)号：US3598577A

    公开(公告)日：1971-08-10

    申请号：US3598577D

    申请日：1967-08-23

    Applicant: ALUMINUM CO OF AMERICA

    Inventor： STONEBROOK EDWARD E

    IPC: C22C21/12 ,  C22C21/10 ,  C22C21/00

    CPC classification number: C22C21/10

    Abstract: AN ALUMINUM BASE ALLOY, SUITABLE FOR CASTING USEFUL ARTICLES CONTAINING ALUMINUM AND 3 TO 6% COPPER, 2 TO 5% ZINC, 0.2 TO 1.5% MAGNESIUM, 0.2 TO 0.6% MANGANESE, AND GRAIN REFINING ADDITIONS, EXHIBITS, WHEN SOLUTION HEAT TREATED, QUENCHED AND ARTIFICIALLY AGED, HIGH ROOM AND ELEVATED TEMPERATURE STRENGTH WHICH MAY BE COUPLED WITH SUBSTANTIAL IMMUNITY TO STRESS CORROSION CRACKING.

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