| 摘要 |
PURPOSE: A tube for pumping space between two tiles is provided to achieve the advantages of ease of sealing by downstream glass portion, and ease of precise automatic handling and positioning by its shoulder and its upstream metal part. CONSTITUTION: A tube(1') for pumping a space between two tiles comprises a cylindrical pumping pipe(2) and a metal shoulder(3) for the pipe on the tile. The cylindrical pipe comprises a metal upstream portion(24) whose part upstream of the shoulder is intended to be fitted into the orifice and a glass downstream portion(25), wherein the upstream metal portion forms a metal end-piece with the shoulder.
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