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1. 发明授权

US3802484A Apparatus for producing foundry cores 失效
标题翻译：用于生产基金会的装置
公开(公告)号：US3802484A
公开(公告)日：1974-04-09
申请号：US28101472
申请日：1972-08-16
申请人： OVODOV A , TSVETKOV I , KUTEINKOV V , STOLYAR E
发明人： TSVETKOV I , STOLYAR E , OVODOV A , KUTEINKOV V
IPC分类号： B22C5/08 , B22C5/18 , B22C13/12 , B22C15/08 , B22C15/18
CPC分类号： B22C15/08 , B22C5/08 , B22C5/18 , B22C13/12 , B22C15/18
摘要： An apparatus for the building up in a core box filled with a fluid sand mixture of a pressure on the above mixture which is maintained within the length of time sufficient for a strong skin 1 to 25 mm. thick to be formed on the surface of the core being moulded; a piston located in a proportioning chamber of an apparatus is of a telescopic type, each piston stage having an individual drive; abutting upon an outlet port of the proportioning chamber is a gate rigid with a shaped nozzle mounted to reciprocate in such a manner that it closes the outlet port of the proportioning chamber alternatively with the gate; the shaped nozzle is detachable; the apparatus is furnished with a gear adapted to return mixture leftovers from the nozzle to a mixer to be recovered therein.
摘要翻译：一种用于在填充有上述混合物上的压力的流体砂混合物的核心箱中建立的装置，其保持在足够强的皮肤1至25mm的时间长度内。在被成形的芯的表面上形成厚度; 位于设备的配比腔中的活塞是伸缩式的，每个活塞台具有单独的驱动器; 邻接于配比腔的出口是具有安装成往复运动的成形喷嘴的浇口刚性，使得其与浇口交替地封闭配比腔的出口; 成形喷嘴是可拆卸的; 该设备配备有适于将混合物剩余物从喷嘴返回到要在其中回收的混合器的齿轮。

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