公开(公告)号：US06235166B1

公开(公告)日：2001-05-22

申请号：US09327598

申请日：1999-06-08

申请人： Ian Glenn Towe ,  Matthew J. Yagar ,  Eduard Erbiceanu ,  Tazim Jinnah ,  Neil Smith ,  Thomas Moffett

发明人： Ian Glenn Towe ,  Matthew J. Yagar ,  Eduard Erbiceanu ,  Tazim Jinnah ,  Neil Smith ,  Thomas Moffett

IPC分类号： C25B900

CPC分类号： B29C45/14336 ,  B01D61/50 ,  B01D63/081 ,  B01D65/003

摘要： An electrically driven membrane process apparatus is provided comprising a first spacer having a perimeter having a surface with an inner peripheral edge defining an opening, and a recess formed on the inner peripheral edge, and an ion exchange membrane having an outer edge fitted within the recess. The spacer can further comprise a plurality of bosses and an ion exchange membrane having a corresponding plurality of apertures for receiving the bosses. The spacer can include a plastic mesh consisting essentially of polypropylene or polyethylene, and a perimeter surrounding the plastic mesh, the perimeter comprising material selected from the group consisting of thermoplastic vulcanizates and thermoplastic elastomeric olefins. The spacer can have an upstanding seal member depending therefrom, received by groove within a corresponding frame member. A second spacer is also provided having a continuous flange depending from its surface and surrounding a throughbore, for pinching a portion of the first spacer. A method of injection molding a thin plastic part comprising a perimeter having an inner peripheral edge and a mesh joined to the inner peripheral edge is also provided including the steps of (a) providing first and second mold halves, each of the mold halves having an interior surface and a continuous ridge depending therefrom; and (b) pinching opposite side of the mesh between the ridges to form a flow barrier.

摘要翻译： 提供了一种电驱动膜处理装置，其包括具有周边的第一间隔件，所述周边具有限定开口的内周边缘的表面和形成在内周边缘上的凹部，以及离子交换膜，其具有嵌合在凹部内的外边缘 。 间隔件还可以包括多个凸台和离子交换膜，所述离子交换膜具有用于接收凸台的相应的多个孔。 间隔件可以包括基本上由聚丙烯或聚乙烯组成的塑料网和围绕塑料网的周边，周边包括选自热塑性硫化橡胶和热塑性弹性体烯烃的材料。 间隔件可以具有从其延伸的直立的密封构件，其被相应的框架构件内的槽容纳。 还提供了第二间隔件，其具有从其表面悬垂并围绕通孔的连续凸缘，用于夹紧第一间隔件的一部分。 还提供了一种注射成型薄塑料部件的方法，所述薄塑料部件包括具有内周边缘和连接到内周边缘的网的周边，包括以下步骤：（a）提供第一和第二半模，每个半模具有 内表面和从其悬垂的连续脊; 和（b）在脊之间夹住网状物的相对侧以形成流动阻挡层。