发明名称 |
Packaging device and method |
摘要 |
A sealing device for covering containers which prior to sealing has a member which reduces the volume of the container and in which the member is released after sealing to allow a vacuum circulation to exist in the sealed container. A further feature provides that the volume reducing, sealing and releasing steps occur while the containers are continuously moved along a conveyor.
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申请公布号 |
US4807424(A) |
申请公布日期 |
1989.02.28 |
申请号 |
US19880163258 |
申请日期 |
1988.03.02 |
申请人 |
RAQUE FOOD SYSTEMS, INC. |
发明人 |
ROBINSON, EDWARD A.;MCLEOD, JESSE |
分类号 |
B65B31/00;(IPC1-7):B65B31/02 |
主分类号 |
B65B31/00 |
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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