发明名称 |
Time temperature indicating device |
摘要 |
There is provided a time temperature device having an indicator layer which visually indicates the lapse of a time temperature integral. A signaling component is provided which, upon contact with the indicating layer, causes the indicator layer to undergo a visually perceptive change. The device further includes a reservoir for the signaling component, including a first backing and adhesive layer containing an adhesive substance. The adhesive layer is positioned between the indicating layer and the first backing.
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申请公布号 |
US4154107(A) |
申请公布日期 |
1979.05.15 |
申请号 |
US19780884321 |
申请日期 |
1978.03.07 |
申请人 |
AKZONA INC |
发明人 |
GIEZEN, EGENIUS A;HOEFS, CORNELIS A M;OPSCHOOR, ABRAM;VERHULST, EDUARD M |
分类号 |
G01K3/04;G01K11/16;(IPC1-7):G01K11/16 |
主分类号 |
G01K3/04 |
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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