Apparatus for and a method of welding a reinforcing member to a bag-like means.

摘要

Apparatus for welding a reinforcing member to a bag like member comprising a hollow mandrel (18), the hollow mandrel (18) having an outer surface with the groove (17) shaped to the form of the reinforcing member, means (19) for applying a closed end of the bag like member into the hollow mandrel (18) and an open end of the bag like member over the hollow mandrel (18) at the outer surface with the groove (17), the reinforcing member being located with respect to the bag like member at the position of the groove (17) and means for welding (51) the reinforcing member to the bag like member.