Fiber glass insulation batts are packaged by delivering them to the bottom of a stack of batts, then compressing the stack with a compression plate or platen. The compressed stack is pushed by the platen against a web of packaging film and into a hopper. The web adjacent one side of the stack is then...http://www.google.co.uk/patents/US4805383?utm_source=gb-gplus-sharePatent US4805383 - Batt packaging machine and method