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1. 发明授权

US06733807B2 Easily expandable, nontrapping, flexible paper, microwave package 有权
标题翻译：易扩展，无牵引，柔性纸，微波包装
公开(公告)号：US06733807B2
公开(公告)日：2004-05-11
申请号：US10050695
申请日：2002-01-15
申请人： Thomas J. Martuch , Randal J. Monforton , Marsha D. Thompson Hunt , Melissa L. Jacobs
发明人： Thomas J. Martuch , Randal J. Monforton , Marsha D. Thompson Hunt , Melissa L. Jacobs
IPC分类号： B65D3010
CPC分类号： B65D81/3469 , B65D75/5855 , B65D2577/205 , B65D2581/3421 , B65D2581/3494
摘要： A flexible paper microwave package in the form of an easily expandable, nontrapping bag (18) is disclosed including a bottom wall (20) and a top wall (22) interconnected together adjacent their circular outer peripheries (20a, 22a) by first and second interconnection portions (26a, 26b). In one preferred form, the top wall (22) is formed from a first portion (22d) having an oval shaped access opening closed by an oval shaped closure portion (22e) interconnected by a seal (40) to the first portion (22d). The bottom and top walls (20, 22) expand into an opposing double domed shape as the food product is being popped, puffed, or expanded in the microwave oven. This domed shape of the bottom wall (22) keeps the food product huddled closer together and enhances the bag (18) to rock to maximize gravimetric separation. The bag (18) provides a serving bowl function when the peelable closure seal (40) has been opened providing access to the interior of the bag (18) and specifically to the popped, puffed or expanded food product located therein. An extension (42) integrally extends from the closure portion (22e) along the major axis of the oval shape. First and second pairs of extensions (54) integrally extend from diametric opposite sides of the bottom and top walls (20,22) and along the major axis of the oval shape. Slits (60,66,74) relieve the constraints of the extensions (54) to creasing and puckering of the bottom and top walls (20,22) as they expand into the opposing double dome shape.
摘要翻译：公开了一种柔性纸微波包装，其形式为容易膨胀的非吸引袋（18），其包括底壁（20）和顶壁（22），所述底壁（20）和邻近其圆形外周（20a，22a）的第一和第二互连部分（26a，26b）。在一个优选形式中，顶壁（22）由第一部分（22d）形成，第一部分（22d）具有由椭圆形的封闭部分（22e）封闭的椭圆形进入开口，所述椭圆形封闭部分通过密封件（40）与第一部分（22d）相互连接，。随着食品在微波炉中爆炸，膨化或膨胀，底壁和顶壁（20,22）膨胀成相对的双圆顶形状。底壁（22）的圆顶形状使得食品紧贴在一起，并增强袋（18）的摇摆以使重力分离最大化。当可剥离的封闭密封件（40）已经打开时，袋子（18）提供了碗碗功能，提供进入袋子（18）的内部，特别是与位于其中的弹出，膨化或膨胀的食品。延伸部（42）从封闭部分（22e）沿着椭圆形的长轴一体地延伸。第一和第二对延伸部（54）从底壁和顶壁（20,22）的直径相对侧并沿着椭圆形的长轴整体延伸。狭缝（60,66,74）在扩展到相对的双顶盖形状时减轻了延伸部（54）对底壁和顶壁（20,22）的折皱和折皱的约束。

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