发明名称 |
Method and apparatus for winding a web upon a core having a stripe of hot-melt adhesive |
摘要 |
The present invention relates to a core made of cardboard or other such material. The core is covered with hot melt glue so that the end of a web of material to be wound on it can be secured to it. The invention also relates to a method of manufacturing the core in a helical winding machine, a method of using the core for winding a web of material and an apparatus for using the core for winding webs of material. The web of material is secured to the core by heating the glue up to its melting point and pressing the web against the core.
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申请公布号 |
US4338147(A) |
申请公布日期 |
1982.07.06 |
申请号 |
US19800203528 |
申请日期 |
1980.11.03 |
申请人 |
A. AHLSTROM OSAKEYHTIO |
发明人 |
BAECKSTROEM, PER-OLE;VIROLAINEN, JORMA |
分类号 |
B31C3/00;B65H75/28;(IPC1-7):B65H81/00 |
主分类号 |
B31C3/00 |
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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