发明名称 |
FOLDED PAPER EDGE OPENING PROCESS |
摘要 |
<p>A process is provided for the opening of envelopes made of cellulosic paper in which there is applied to at least one envelope edge as the sole reactant with the cellulose therein a non-noxious organic acid having at least one pK value at room temperature between about 1.5 and about 5, followed by the application of heat and mild mechanical action to the envelope edge.</p> |
申请公布号 |
EP0009265(A3) |
申请公布日期 |
1980.04.16 |
申请号 |
EP19790103674 |
申请日期 |
1979.09.27 |
申请人 |
AES TECHNOLOGY SYSTEMS, INC. |
发明人 |
SAVIT, JOSEPH |
分类号 |
B43M7/00;B65D27/32;(IPC1-7):65D27/32;43M7/00 |
主分类号 |
B43M7/00 |
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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