(under subclass 314) Subject matter wherein (a) the container is designed to change its volume, or (b) the container is serrated to cause the container to rupture at the serrations when the container is tamped in a shot hole.
SEE OR SEARCH THIS CLASS, SUBCLASS:
324, for a flexible tube or bag container. 331, for a blasting charge case.
SEE OR SEARCH CLASS
383, Flexible Bags, appropriate subclasses for a flexible bag.