发明名称 |
Multilayer paper casings laminated by thermoplastic film coatings - for mfr. moisture resistant cartridge casings |
摘要 |
Tubular packaging involving several superimposed layers of wound paper tape or card are laid up using tape covered with thermoplastic film, pref. polyethylene on what will be an interfacial surface. The coating is preheated to a fused state just prior to winding.
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申请公布号 |
BE902737(A1) |
申请公布日期 |
1985.10.16 |
申请号 |
BE19852060723 |
申请日期 |
1985.06.25 |
申请人 |
DVG DEUTSCHE VERPACKUNGSMITTEL |
发明人 |
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分类号 |
B31C3/02;B65D3/00;F28D17/00;F28G1/16;F28G9/00;(IPC1-7):B65B/;B32B/;B65H/ |
主分类号 |
B31C3/02 |
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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