(under the class definition) Apparatus including means subjecting a discrete portion of soft glass, having a cavity therein, to a differential gas pressure to cause ballooning thereof.
SEE OR SEARCH THIS CLASS, SUBCLASS:
110, for a process for reshaping hollow shaped preform utilizing vacuum or gas pressure.
187+, for tube drawing means including means for introducing air in the tube simultaneously.
243+, for plural blowing means.
261+, for a glass blowing machine utilizing a blow mold. 276+, for hollow glass preform reshaping means including inflating means combined with reheating means.
292+, for apparatus for reshaping cylindrical stock including inflating means.
