SEALING METHOD AND ARTICLE

摘要

This invention comprises a method of sealing a valve unit to a reservoir by vibrating to cause melting and reshaping. Also the invention comprises a valve unit (1) and reservoir (2) assembly including a valve unit (1) and at least part of the reservoir (2) having members defining a valve bore (5), the valve bore (5) receiving the valve unit (1) wherein the valve unit (1) is meltedly attached to the members defining the valve bore (5).