Patent ID: 7111816
Filing Date: 2006-09-26
Classification: B28B,Y10S

Abstract:
1. A mold that is unitarily formed of a rigid material to be used in producing an integrated mold and casting structure, said mold comprising: a) a reservoir with a base, said reservoir being adapted to hold said casting fluid to a predetermined depth as the fluid sets to produce said casting structure; b) a rigid pin unitarily formed with and extending upwardly from said base into said reservoir, said pin having a lower end, an upper end, and a surface extending therebetween, said surface of said pin has less than a 90 degree angle to said base; c) said upper end of said pin having a width greater than said lower end of said pin; and d) said surface extending at least partially below said predetermined depth and being adapted to exert on said casting fluid upon setting downward pressure toward said base of said mold to permanently retain said set casting fluid in said mold.