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1.发明公开Improvements introduced in airvessels for molding by expansive waves 失效Druckbehälterfürdas Formen unter Druck。
公开(公告)号：EP0334787A2
公开(公告)日：1989-09-27
申请号：EP89500029.7
申请日：1989-03-10
CPC分类号： B22C15/00
摘要： These improvements consist in the use of a highly elastic membrane (13) as a valve element, fixed by means of flanges 14 and 17 to a support plate 15, conforming an annular chamber 16 which may be pressurized through the conduit 19 to deform membrane 13 towards a closure situation where same falls upon the valve seat 24, an opening being established in the centre of the membrane-support plate assembly to which is axially coupled an outlet conduit 22 for release or outlet of the residual air present in the diffuser 9.
摘要翻译： 这些改进包括使用高弹性膜（13）作为阀元件，通过凸缘14和17固定到支撑板15上，使支撑板15符合环形室16，环形室16可以通过导管19加压以使膜13变形 朝向闭合情况，其中同样落在阀座24上，在膜支撑板组件的中心处建立一个开口，轴向连接到出口导管22上，用于释放或排出存在于扩散器9中的残留空气。
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公开(公告)号：EP0334787A3
公开(公告)日：1990-09-26
申请号：EP89500029.7
申请日：1989-03-10
CPC分类号： B22C15/00
摘要： These improvements consist in the use of a highly elastic membrane (13) as a valve element, fixed by means of flanges 14 and 17 to a support plate 15, conforming an annular chamber 16 which may be pressurized through the conduit 19 to deform membrane 13 towards a closure situation where same falls upon the valve seat 24, an opening being established in the centre of the membrane-support plate assembly to which is axially coupled an outlet conduit 22 for release or outlet of the residual air present in the diffuser 9.
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公开(公告)号：EP0365461A2
公开(公告)日：1990-04-25
申请号：EP89500105.5
申请日：1989-10-16
IPC分类号： B22C15/00
CPC分类号： B22C15/00
摘要： Such improvements consist in arranging the sand supplying hopper (8) axially inside the compressed air bell-shaped ejector (9) so that an annular mouth is defined for the latter that surrounds the hopper discharge mouth, the two mouths facing the classic diffuser that caps the top of the molding chamber.
The valve closing the bell-shaped ejector is a tubular membrane valve that is adapted and fixed through its edges to the internal surface of the diffuser (7), at the coaxial sector that faces the hopper.摘要翻译： 这样的改进包括将砂供料斗（8）轴向地布置在压缩空气钟形喷射器（9）内，使得围绕料斗排出口的后端限定环形口，两个口面向经典扩散器的两个口 成型室的顶部。 关闭钟形喷射器的阀是管状膜阀，其在面对料斗的同轴部分处通过其边缘适配并固定到扩散器（7）的内表面。
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公开(公告)号：EP0365461A3
公开(公告)日：1991-01-30
申请号：EP89500105.5
申请日：1989-10-16
IPC分类号： B22C15/00
CPC分类号： B22C15/00
摘要： Such improvements consist in arranging the sand supplying hopper (8) axially inside the compressed air bell-shaped ejector (9) so that an annular mouth is defined for the latter that surrounds the hopper discharge mouth, the two mouths facing the classic diffuser that caps the top of the molding chamber. The valve closing the bell-shaped ejector is a tubular membrane valve that is adapted and fixed through its edges to the internal surface of the diffuser (7), at the coaxial sector that faces the hopper.
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