| 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.
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