发明名称 |
Process for producing linear fresnel lenses and device for executing the process |
摘要 |
In this process a plasticated acrylic glass strip is pressed by means of a highly polished endless steel belt against a form cylinder roller and brought, running in the common direction of rotation, from the plastication temperature to the solidification temperature, thus achieving an accurate reproduction of the engraving of the form cylinder roller on the acrylic glass band continuously passing through.
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申请公布号 |
DE3505055(A1) |
申请公布日期 |
1986.08.14 |
申请号 |
DE19853505055 |
申请日期 |
1985.02.14 |
申请人 |
SCHROEDER TRADING GMBH |
发明人 |
NAWRATH,PETER;SCHROEDER,WALTER |
分类号 |
B29D11/00;(IPC1-7):B29D11/00;G02B3/08 |
主分类号 |
B29D11/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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