发明名称 |
A PACKAGE INCORPORATING A PRESSURE VENTING AND RELATED METHOD OF MANUFACTURE |
摘要 |
A bag (1) to define a containment region for food, said bag formed of a multiply plastics film to define a front panel and back panel and being square or rectangular in shape wherein said side edges (12) and bottom edges (6) of each panel are sealed to each other said bag further comprising at said sealed bottom, a vent passage (2) to allow the escape of some fluid from the containment region of said bag during heating, the vent passage provided between said front and back panels where a region (5) of the internal most ply (4) of said multiply plastic film of at least one of said front or back panels is of a less or non-heat sealable nature to the remainder the material of the internal most ply at the sealed bottom.
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申请公布号 |
WO0151371(A1) |
申请公布日期 |
2001.07.19 |
申请号 |
WO2001NZ00003 |
申请日期 |
2001.01.15 |
申请人 |
TECKSOM INTERNATIONAL LIMITED;THOMSON, KEITH, CHARLES;TANG, LUEN, SING |
发明人 |
TANG, LUEN, SING |
分类号 |
B31B19/64;B65D33/01;B65D81/26;B65D81/34;(IPC1-7):B65D30/02 |
主分类号 |
B31B19/64 |
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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