A lightweight thermally responsive mold for use with a resin transfer molding process is provided. The mold includes first and second support frames including a plurality of upstanding intersecting support ribs. First and second substrates are supported by the first and second support frames, respectively,...http://www.google.com.au/patents/US5653907?utm_source=gb-gplus-sharePatent US5653907 - Lightweight thermally responsive mold for resin transfer molding
