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    Gussetted plastic bags having relief seals and method of making same
    1.
    发明授权
    Gussetted plastic bags having relief seals and method of making same 失效
    带减压密封垫片的塑胶袋及其制造方法

    公开(公告)号：US4904093A

    公开(公告)日：1990-02-27

    申请号：US236056

    申请日：1988-08-24

    申请人： Timothy R. Woods ,  Fred Stevenson ,  R. Douglas Behr

    发明人： Timothy R. Woods ,  Fred Stevenson ,  R. Douglas Behr

    IPC分类号： B65D30/08 ,  B65D30/22 ,  B65D81/34

    CPC分类号： B65D31/02 ,  B65D31/12 ,  B65D81/3461 ,  Y02W30/807 ,  Y10S383/903

    摘要： A disposable or reusable and reclosable gussetted plastic bag capable of being compactly stored as a food container in freezers, yet capable of standing with an upright spout in a microwave oven for non-spill thawing and cooking of food contained in the bag. The bag is formed of two wing-shaped pouches on either side of the upright spout. The bag preferably has inner and outer skin layers of different heat sealing temperatures so that peripheral sealing is effected only with the inner skin layers, allowing the wing-shaped pouches to be formed out of a gussetted bottom without sealing of the outer skin layers of the gusset walls facing one another. Two pairs of relief seals are located adjacent each gusset joint at both edges of the bag. Each seal is positioned 45.degree. off the gusset joint and preferably has a rounded peak shape. The heat seals are formed by applying heat adjacent each gusset joint with a hot bar or other heat sealing device following formation of the bag.

    摘要翻译： 一次性或可重复使用和可重复关闭的角撑板塑料袋，其能够紧凑地存储在冷藏库中的食物容器中，而且能够与微波炉中的直立喷嘴站立，用于非泄漏解冻和烹饪包装在袋中的食物。 该袋由直立喷嘴两侧的两个翼形袋形成。 该袋优选具有不同热封温度的内表皮层和外表皮层，使得周边密封只能与内表皮层一起实现，从而允许翼形袋从角撑板底部形成而不密封外皮层 角撑墙相互面对。 在袋子的两个边缘处的每个角撑板接头附近都有两对安全密封件。 每个密封件都位于角撑板关节45度处，优选地具有圆形的峰形。 热封是通过在形成袋子之后用热棒或其他热封装置在每个角撑板接头附近施加热而形成的。

    Gussetted plastic bags having relief seals and method of making same
    2.
    发明授权
    Gussetted plastic bags having relief seals and method of making same 失效
    带减压密封垫片的塑胶袋及其制造方法

    公开(公告)号：US5030190A

    公开(公告)日：1991-07-09

    申请号：US446393

    申请日：1989-12-05

    申请人： Timothy R. Woods ,  Fred Stevenson ,  R. Douglas Behr

    发明人： Timothy R. Woods ,  Fred Stevenson ,  R. Douglas Behr

    IPC分类号： B65D30/08 ,  B65D30/22 ,  B65D81/34

    CPC分类号： B65D31/12 ,  B65D31/02 ,  B65D81/34 ,  B65D81/3461 ,  Y02W30/807

    摘要： A disposable or reusable and reclosable gussetted plastic bag capable of being compactly stored as a food container in freezers, yet capable of standing with an upright spout in a microwave oven for non-spill thawing and cooking of food contained in the bag. The bag is formed of two wing-shaped pouches on either side of the upright spout. The bag preferably has inner and outer skin layers of different heat sealing temperatures so that peripheral sealing is effected only with the inner skin layers, allowing the wing-shaped pouches to be formed out of a gussetted bottom without sealing of the outer skin layers of the gusset walls facing one another. Two pairs of relief seals are located adjacent each gusset joint at both edges of the bag. Each seal is positioned 45.degree. off the gusset joint and preferably has a radius shape. The heat seals are formed by applying heat adjacent each gusset joint with a hot bar or other heat sealing device following formation of the bag.

    摘要翻译： 一次性或可重复使用和可重复关闭的角撑板塑料袋，其能够紧凑地存储在冷藏库中的食物容器中，而且能够与微波炉中的直立喷嘴站立，用于非泄漏解冻和烹饪包装在袋中的食物。 该袋由直立喷嘴两侧的两个翼形袋形成。 该袋优选具有不同热封温度的内表皮层和外表皮层，使得周边密封只能与内表皮层一起实现，从而允许翼形袋从角撑板底部形成而不密封外皮层 角撑墙相互面对。 在袋子的两个边缘处的每个角撑板接头附近都有两对安全密封件。 每个密封件都位于角撑板接头45度处，优选具有半径形状。 热封是通过在形成袋子之后用热棒或其他热封装置在每个角撑板接头附近施加热而形成的。