Abstract:
A vacuum sealed molding process and apparatus in which a covering sheet of synthetic resin is applied on a pattern fixed on a pattern plate at a first station, and this pattern plate is then transferred to a second station at which the pattern is removed after molding.
Abstract:
A covering sheet applying unit and a method for heating said covering sheet in which a covering sheet holding frame is movably provided between a pattern plate for vacuum sealed molding mold and a heating means for uniformly heating the covering sheet to be applied on the surface of said pattern plate, a pressing plate is disposed at the end of the moving range of said holding frame, the covering sheet drawn from the web of the covering sheet is held on said holding frame and then moved in the vicinity of said pattern plate, and the covering sheet is, after being uniformly heated, applied on the pattern plate.