发明授权
US4082530A Press bending apparatus and method of fabrication 失效
压弯装置和制造方法

Press bending apparatus and method of fabrication
摘要:
In an apparatus for press bending heat-softened glass sheets of the type which includes a shaping plate of adjustable curvature and means to adjust the curvature of the shaping plate, rigidity of the adjusted curvature is improved by providing edge reinforcing means for the adjustable shaping plate.
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