| 摘要 |
A screen-printing apparatus having pneumatically operated clamping devices for clamping one edge of a print screen frame to the print head of the apparatus. In a screen-printing operation where multiple print screens must be quickly interchanged, efficiency of time and energy may be achieved by a manually activated pneumatic clamping device that quickly secures and releases one edge of the screen frame to the print head. The screen-printing apparatus is not limited to a single print head, and multiple pneumatic clamping devices are envisioned for as many screen print heads as are mounted on the screen-printing apparatus.
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