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1. 发明授权

US3865526A Apparatus for manufacturing pipes 失效
标题翻译：制造管道的装置
公开(公告)号：US3865526A
公开(公告)日：1975-02-11
申请号：US37079573
申请日：1973-06-18
申请人： DROSTHOLM F H
发明人： DROSTHOLM FREDE HILMAR , MEYER LEONARD S
IPC分类号： B29C53/74 , B29D23/08
CPC分类号： B29C53/74
摘要： The method and apparatus provide for production of pipe lengths having bell and spigot ends adapted to cooperate with each other serially in laying a pipe line. The technique provides for continuous production of pipe, with bell portions spaced at intervals, the bell portions being divided or severed in order to provide a bell end on the adjacent ends of the pipe lengths formed by the division. At points intermediate to the bell portions the pipe is also divided or severed in order to provide pipe lengths having spigot ends at one end and bell ends at the other end.
摘要翻译：该方法和装置用于生产具有适于在铺设管线时相互配合的钟形和凸台端的管道长度。该技术提供了连续生产管道，其中钟形部分间隔开，钟形部分被分开或切断，以便在通过分割形成的管道长度的相邻端部上提供一个钟形端。在钟形部分中间的点处，管子也被分开或切断，以便在一端提供具有一端的端接端和在另一端的钟形端的管道长度。

2. 发明授权

US3891510A Integrated apparatus for distilling batches of contaminated solvents 失效
标题翻译：蒸馏一批污染溶剂的综合设备
公开(公告)号：US3891510A
公开(公告)日：1975-06-24
申请号：US35226173
申请日：1973-04-18
申请人： DROSTHOLM F H
发明人： DROSTHOLM FREDE HILMAR , PETERSEN KAJ DITLEV FREDERIK , RAABO ULF
IPC分类号： B01D1/00 , B01D3/00 , B01D3/02 , B01D3/42
CPC分类号： B01D3/42 , B01D1/0082 , B01D3/00 , B01D3/02
摘要： Equipment is provided having a distillation tank with a heater and a vapor offtake, with a condenser receiving the offtake vapor and delivering liquid condensate. A control system provides safety features including pressure and temperature responsive devices operative to shut off the heater and further including means for shut off of the heater when the tank is being filled. Still further provision is made for shutting off the heater under the influence of a float valve associated with the condensate discharge line and operative to shut off the heater under the influence of rise in level of condensate in the receiving vessel.
摘要翻译：提供了具有带有加热器和蒸气排出口的蒸馏罐的设备，其中冷凝器接收取出蒸气并输送液体冷凝物。控制系统提供安全特征，包括压力和温度响应装置，其可操作地切断加热器，并且还包括当罐被填充时关闭加热器的装置。还进一步提供在与冷凝物排放管线相关联的浮阀的影响下关闭加热器，并且在接收容器中的冷凝水平上升的影响下操作以关闭加热器。

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