CPC B29C 70/742 (2013.01) [B29C 70/42 (2013.01); B29C 70/682 (2013.01); B29C 70/845 (2013.01)] | 12 Claims |
1. An assembly comprising:
a first turbine blade half comprising a first shell defining a first perimeter and a first interface surface extending along the first perimeter;
a second turbine blade half comprising a second shell defining a second perimeter and a second interface surface extending along the second perimeter, the second blade half comprising a bond cap extending from the perimeter where, when the first interface surface is aligned with the second interface surface, a first gap is formed between the first shell and the bond cap;
a first mold half comprising a first mold surface corresponding to the first shell;
a second mold half comprising a first mold surface corresponding to the second shell where, when the first mold half is aligned with the second mold half, a second gap is formed between the first mold half and the second mold half, wherein the first gap is in fluid communication with the second gap;
a first barrier disposed within the first gap; and
a second barrier disposed within the second gap thereby fluidly sealing a volume defined by the first gap and the second gap, the second barrier including a vent operable to selectively open or close;
wherein the vent is formed by at least a portion of one of the first mold half or the second mold half, and at least a portion of the second barrier;
wherein upon closure of the first mold half and the second mold half, a paste exits the vent.
|