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1. 发明授权

US4514093A Method and apparatus for delivery of a powder 失效
标题翻译：用于输送粉末的方法和装置
公开(公告)号：US4514093A
公开(公告)日：1985-04-30
申请号：US463023
申请日：1983-02-01
申请人： Lester Coch , Kurt Rauch
发明人： Lester Coch , Kurt Rauch
IPC分类号： C23C24/00 , C23C24/04 , B01F9/04
CPC分类号： C23C24/00 , C23C24/045
摘要： The present invention relates to a method and apparatus for controlling the delivery of insoluble powders, such as metal powders, to a processing station, such as a rotatable drum for impact plating of the powder onto articles. The method includes providing separate supplies of water and a slurry of the metal powder. Water is delivered from the water supply through a fluid network to the rotatable drum in a pre-flushing operation for a first predetermined length of time. Upon stoppage of the pre-flush with water, the slurry is delivered to the drum through the fluid network for a second predetermined length of time sufficient to deliver a desired quantity of the powder to the drum. Upon stoppage of the slurry delivery, a post-flush with water supplied through the fluid network is undertaken for a third predetermined length of time to remove any residual slurry within the fluid network.
摘要翻译：本发明涉及一种用于控制将不溶性粉末（例如金属粉末）输送到诸如用于将粉末冲击镀在物品上的可旋转滚筒的加工站的方法和装置。该方法包括提供单独的水供应和金属粉末的浆料。在第一预定时间长度的预冲洗操作中，水通过流体网络从水源传送到可旋转滚筒。在用水预冲洗停止时，浆料通过流体网络输送到滚筒上，持续足以将期望量的粉末输送到滚筒的第二预定长度的时间。在浆料输送停止时，通过流体网络供应的水进行后冲洗进行第三预定时间长度以除去流体网络内的任何残留浆料。

2. 发明授权

US4062990A Non-polluting system for metal surface treatments 失效
标题翻译：金属表面处理无污染系统
公开(公告)号：US4062990A
公开(公告)日：1977-12-13
申请号：US694830
申请日：1976-06-10
申请人： Lester Coch
发明人： Lester Coch
IPC分类号： C23C18/16 , C23C18/18 , C23C18/31 , C23C18/48 , C23C24/04 , B05D3/12
CPC分类号： C23C24/045
摘要： This invention relates to an improved system for preventing water pollution in surface treatment of metals, e.g., in coating base metal parts with an adherent coating of zinc, cadmium or similar protective metal by means of wet impact plating or electroplating, or in chromating or phosphating metal surfaces. A preferred embodiment relates to a wet impact plating process wherein the several solutions used in cleaning or otherwise preparing the work, in plating it and in rinsing it are individually segregated after use and re-used in consecutive plating cycles in a special manner such that release of ecologically objectionable effluent is eliminated and chemical and metal components fed into the process are conserved instead of being discarded after each plating cycle. Consequently, the need for removing pollutants from process effluents can be avoided, the large volume of fresh water heretofore required to operate such a process is greatly reduced and the discard of ecologically objectionable process effluent into sewers is avoided.Liquid effluent which is not suitable for direct recycling and re-use within the process can be rectified for further use. A considerable proportion of the water used in the process is normally lost through evaporation as the exothermic process progresses, such that the plating liquid withdrawn from the plating barrel after completion of each plating step is a relatively concentrated slurry. When this slurry can no longer be converted to chemicals useful for recycling, after precipitation and decanting of the clear liquid, water in the now very dense slurry can be evaporated from it simply by leaving the slurry containers uncovered or by using waste process heat to accelerate evaporation and the residual solids disposed of by burial or other appropriate means.
摘要翻译：本发明涉及一种用于防止金属表面处理中的水污染的改进的系统，例如，通过湿冲击镀或电镀，或者在铬酸盐或磷化中涂覆具有锌，镉或类似保护金属的粘附涂层的贱金属部件金属表面。一个优选的实施方案涉及一种湿式冲击电镀方法，其中用于清洁或以其它方式制备工件，电镀和冲洗的几种溶液在使用后被单独分离，并以特殊方式在连续电镀循环中重新使用，使得释放消除了生态不良流出物，并且进料到该过程中的化学和金属组分是保守的，而不是在每个镀覆循环之后被丢弃。因此，可以避免从工艺流出物中除去污染物的需要，大大减少了操作这种方法所需的大量淡水，并且避免了生态上令人反感的工艺流出物排入下水道。

3. 发明授权

US3953248A Method and apparatus for reclaiming heat treating salt 失效
标题翻译：回收热处理盐的方法和装置
公开(公告)号：US3953248A
公开(公告)日：1976-04-27
申请号：US540867
申请日：1975-01-14
申请人： Lester Coch
发明人： Lester Coch
IPC分类号： C21D1/00 , C21D1/18 , C21D1/46 , C21D1/63 , C21D1/48
CPC分类号： C21D1/63 , C21D1/46
摘要： Heat treating salt used as a bath in heat treating metal articles is reclaimed from the rinsing tank in a closed cycle by removing a portion of the salt-contaminated rinse water from the rinsing tank to an enclosed portion of the heat treating tank which serves as a water evaporation zone. There the salt-contaminated rinse water is evaporated by direct contact with the hot molten salt bath and the resulting steam, either as such or after condensation, is conducted back to the rinse tank where it serves to replenish the rinse water. The salt content of the contaminated rinse water which is left behind in the water evaporation zone becomes commingled there with the molten salt bath and is thus reclaimed.
摘要翻译：在热处理金属制品中用作浴槽的热处理盐在封闭循环中通过将一部分经盐水冲洗的清洗水从漂洗槽移除到热处理槽的封闭部分而从清洗槽中回收，其作为水蒸发区。通过与热熔盐浴直接接触，将盐水冲洗的水蒸发，并将得到的蒸汽，或者冷凝后还原回到冲洗槽，在其中用来补充冲洗水。在水蒸发区中留下的受污染的漂洗水的盐含量与熔融盐浴混合，因此被回收。

4. 发明授权

US4654230A Method of impact plating selective metal powders onto metallic articles 失效
标题翻译：将选择性金属粉末冲击镀金属制品的方法
公开(公告)号：US4654230A
公开(公告)日：1987-03-31
申请号：US660402
申请日：1984-10-12
申请人： Lester Coch
发明人： Lester Coch
IPC分类号： C23C24/04 , B05D3/12
CPC分类号： C23C24/045
摘要： The present invention relates to a method of impact plating selected metal powders onto metallic articles. The powders are non-spherical and are characterized by an elongated, irregular surface which may contain at least one concave portion. Such metal powders are plated onto metallic articles having a Rockwell hardness of at least B-40. The method results in metallic articles having a substantially uniform coating composed of the impact plated metal powders.
摘要翻译：本发明涉及一种将所选金属粉末冲击镀金属制品的方法。粉末是非球形的，其特征在于可以包含至少一个凹部的细长的不规则表面。将这种金属粉末涂覆在具有至少B-40的洛氏硬度的金属制品上。该方法产生具有由冲击镀金属粉末组成的基本上均匀的涂层的金属制品。

5. 发明授权

US4162680A Non-polluting system for metal surface treatments 失效
标题翻译：非金属表面处理非污染系统
公开(公告)号：US4162680A
公开(公告)日：1979-07-31
申请号：US831691
申请日：1977-09-08
申请人： Lester Coch
发明人： Lester Coch
IPC分类号： C23C18/16 , C23C18/18 , C23C18/31 , C23C18/48 , C23C24/04 , B05C3/08
CPC分类号： C23C24/045
摘要： Apparatus to inhibit water pollution in surface treatment of metals, e.g., in coating base metal parts with an adherent coating of zinc, cadmium or similar protective metal by means of wet impact plating or electroplating, or in chromating or phosphating metal surfaces. A preferred embodiment relates to a wet impact plating process wherein the several solutions used in preparing the work, in plating it and in rinsing it are individually segregated after use and re-used in consecutive plating cycles so that release of ecologically objectionable effluent is eliminated and chemical and metal components fed into the process are conserved instead of being discarded after each plating cycle.

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