Patent ID: 7731872
Filing Date: 2010-06-08
Classification: B29C,B29D,B29L,Y10S

Abstract:
1. A method of forming a mold assembly, the method comprising: providing a first mold section having a first cavity surface and a first peripheral region extending outward of the first cavity surface; providing a second mold section having a second cavity surface and a second peripheral region extending outward of the second cavity surface; attaching the first mold section and the second mold section together to define a cavity therebetween; and forming an open ended bore in the first peripheral region and a closed end bore in the second peripheral region, thereby causing material from at least one of the first and second mold sections to accumulate in a space between, and be in contact with, the first and second peripheral regions, forming at least one spot weld at the location of the open ended bore and closed end bore.