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    • 2. 发明申请
    • Inserts and reusable holder therefor
    • 插入和可重复使用的支架
    • US20070090566A1
    • 2007-04-26
    • US11254940
    • 2005-10-20
    • James WesthoffJames KellyJames Mirales
    • James WesthoffJames KellyJames Mirales
    • B29C39/10B22D19/00B66C1/66
    • B22D19/009B66C1/666Y10T403/11Y10T403/7005Y10T403/7007
    • Method and apparatus for providing inserts, such as lift inserts and step inserts, in cast members. The inserts have breakaway tabs mounted in receiving slots in either a reusable holder or disk-shaped member. The assembled insert and holder are inserted through a collar on the outer jacket of a mold assembly and a locking pin passes through cooperating openings in the holder and collar to retain the lift insert/holder in place during the casting operation. The disk-shaped member is fixed to a jacket of the mold assembly. The breakaway tabs break away from the insert when the cast member is separated from the mold assembly, the breakaway tabs being discarded and the holder (disk-shaped member) being reusable many times for subsequent casting operations. The slots, in one embodiment, have a locking shoulder to lock the tabs in their slots. In another embodiment, a cam surface on the tabs lock the tabs in the slots. In another embodiment, one slot and one tab differ in radial or circumferential length from the other tabs and slots to permit alignment between the slots and tabs in only one position to assure that the tabs are properly mounted in the holder.
    • 用于在铸件中提供诸如提升嵌件和步进插入件的插入件的方法和装置。 插入件具有安装在可重复使用的保持器或盘状构件中的接收槽中的分离片。 组装的插入件和保持器通过模具组件的外护套上的套环插入,并且锁定销穿过保持器和套环中的配合开口,以在铸造操作期间将升降刀片/保持架保持在适当位置。 盘状构件固定到模具组件的护套上。 当铸造构件与模具组件分离时,分离片从插入件脱离,分离片被丢弃,并且保持器(盘形构件)可重复使用多次以用于随后的铸造操作。 在一个实施例中,狭槽具有锁定肩部以将突片锁定在其狭槽中。 在另一个实施例中,突出部上的凸轮表面锁定槽中的突片。 在另一个实施例中,一个狭槽和一个突出部的径向或周向长度与其他突片和狭槽不同,以允许在一个位置中的槽和突片之间的对准,以确保突片被适当地安装在保持器中。
    • 3. 发明申请
    • Inserts and method and apparatus for embedding inserts in cast members
    • 用于将插入物嵌入铸件中的插入件和方法和装置
    • US20050188645A1
    • 2005-09-01
    • US11107252
    • 2005-04-15
    • James WesthoffJames Kelly
    • James WesthoffJames Kelly
    • B28B21/56B28B23/00E04B1/41E04G15/06E04G21/18E06C9/04B22D19/00B22D33/04E04B1/38E04C5/00
    • B28B21/56B28B21/566B28B23/0056E04B1/4121E04G15/063E04G21/185E06C9/04
    • Method and apparatus for forming cast members having curved or flat walls. Steps are provided in the cast member by placing hollow plastic step inserts into holders provided along the inner core of a mold assembly or mounting inserts on reciprocating pins or mounting inserts to a marginal portion of the inner core. The cast material is then poured into the mold. The cast member, when set, is withdrawn from the mold assembly. In one embodiment, a holder portion of the step insert is broken away, leaving the step inserts embedded in the cast member to receive legs of manhole steps. The inserts are provided with flanges, preventing leakage of the cast material into the mold assembly. Similar seals are provided by other types of cylindrical-shaped inserts for use in wetcast and drycast fabrication methods. Mounting assemblies are also provided for holding inserts for embedment in planar walls.
    • 用于形成具有弯曲或平坦壁的铸件的方法和装置。 通过将中空塑料步骤插入件沿着模具组件的内芯设置的保持器中放置在铸造构件中来提供步骤,或者将往复式销钉或安装嵌件上的安装插件安装到内芯的边缘部分。 然后将铸造材料倒入模具中。 铸造件在被固定时从模具组件中取出。 在一个实施例中,台阶插入件的保持器部分被分离,留下嵌入在铸件中的台阶插入件以接收人孔台阶。 插入件设置有凸缘,防止铸造材料泄漏到模具组件中。 类似的密封件由用于湿法和干法制造方法的其它类型的圆柱形插件提供。 还提供安装组件用于保持用于嵌入平面壁的插入件。