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1. 发明授权

US3726305A Transfer line and valve assembly combination for handling molten liquids 失效
标题翻译：用于处理液体的传输线和阀组件组合
公开(公告)号：US3726305A
公开(公告)日：1973-04-10
申请号：US3726305D
申请日：1971-11-26
申请人： DOW CHEMICAL CO
发明人： ERICKSON S , BENNETT F
IPC分类号： F16K49/00
CPC分类号： F16K49/002 , Y10T137/4259 , Y10T137/6606
摘要： Disclosed herein is an electrically-heated transfer line and valve assembly combination which is particularly adapted for transferring molten metals from one point to another. The valve assembly is basically a cylindrical valve body having a slidable stem therein, with the stem being moved between open and closed positions by mechanical power, such as an air cylinder or hydraulic cylinder. In the apparatus described herein the transfer line and valve assembly form a part of the same electrical circuit, the objective being to achieve uniform heating throughout the entire transfer system. Specific applications of the valve assembly include its use as an end valve on a transfer line in die casting or permanent mold casting, and as a metering valve in cold chamber die casting of magnesium alloys.
摘要翻译：本文公开了一种电加热输送管线和阀组件组合，其特别适于将熔融金属从一个点转移到另一个点。阀组件基本上是一个圆柱形阀体，其中有一个可滑动的阀杆，阀杆通过诸如气缸或液压缸的机械动力在打开和关闭位置之间移动。在这里描述的装置中，传输线和阀组件形成相同电路的一部分，其目的是在整个传送系统中实现均匀加热。阀门组件的具体应用包括其用作压铸或永久铸模铸造中的输送线上的端阀，以及作为镁合金冷室压铸中的计量阀的用途。

2. 发明授权

US3851146A Apparatus for vapor generation 失效
标题翻译：蒸汽发生装置
公开(公告)号：US3851146A
公开(公告)日：1974-11-26
申请号：US28948372
申请日：1972-09-15
申请人： DOW CHEMICAL CO
发明人： BENNETT F
IPC分类号： B05B1/24 , F24H1/00 , H05B1/00 , F22B1/28
CPC分类号： B05B1/24 , F24H1/00
摘要： An apparatus for providing, in a continuous or intermittent manner, a superheated vapor of an organic liquid, such as methylene chloride, for reflowing plastic surfaces or causing a plastic material to flow onto a surface to create a film or coating thereon. The apparatus includes a tubular metal member defining a flow passage for both the liquid and gaseous phases of the liquid being vaporized. A vapor flow control member having a vapor flow orifice is provided at one end of the tubular member while the other end of the tubular member communicates with a source of organic liquid under pressure through an on-off valve. A source of electrical energy is connected in circuit with the tubular member through a switch operated concurrently with the valve whereby electrical current is caused to flow through the tubular member to heat the member to a temperature adequate to vaporize the liquid flowing therethrough. The tubular member is electrically and thermally insulated by a shield and a handle associated with the shield contains the valve and switch.
摘要翻译：用于以连续或间歇方式提供有机液体（例如二氯甲烷）的过热蒸气的装置，用于回流塑料表面或使塑料材料流到表面上以在其上形成膜或涂层。该装置包括管状金属构件，其限定用于被蒸发的液体的液相和气相的流动通道。具有蒸汽流量孔的蒸汽流量控制构件设置在管状构件的一端，而管状构件的另一端通过开关阀与压力下的有机液体源连通。电能源通过与阀同时操作的开关与管状构件连接，由此使电流流过管状构件以将构件加热至足以蒸发流过其中的液体的温度。管状构件通过屏蔽电隔离和隔热，并且与护罩相关联的手柄包含阀和开关。

3. 发明授权

US3727675A Apparatus for aligning and seating the shot cylinder in a metal die casting machine 失效
标题翻译：用于在金属压铸机中对准和定位喷枪的装置
公开(公告)号：US3727675A
公开(公告)日：1973-04-17
申请号：US3727675D
申请日：1972-06-28
申请人： DOW CHEMICAL CO
发明人： BENNETT F
IPC分类号： B22D17/04
CPC分类号： B22D17/04
摘要： A hot chamber metal die casting machine is disclosed in which the shot cylinder and gooseneck seat are constructed of dissimilar materials which have substantially different thermal characteristics. Means are provided which Vertically align the shot cylinder in the gooseneck seat and which hold the lower end of the cylinder in sealing contact with the gooseneck seat during the shot-making operation. Another means is provided for vertically aligning the shot piston in the shot cylinder. Additional means are provided for disengaging the shot cylinder from the gooseneck seat at the end of a production period before the gooseneck seat is allowed to cool down. The various alignment, hold-down and disengagement means automatically compensate for the differential in expansion which occurs between the shot cylinder and gooseneck seat and thereby greatly improve the casting operation.
摘要翻译：公开了一种热室金属压铸机，其中喷射缸和鹅颈座由具有基本上不同的热特性的不同材料构成。提供了在拍摄操作期间垂直地对准鹅颈座中的喷射缸并将气瓶的下端与鹅颈座密封接触的装置。提供了另一种装置，用于使喷射缸中的喷射活塞垂直对准。在鹅颈座被允许冷却之前，在生产周期结束时提供附加装置用于使喷射缸从鹅颈座脱离。各种对准，压紧和分离装置自动补偿在喷射缸和鹅颈座之间发生的膨胀差异，从而极大地改善了铸造操作。

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