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1. 发明授权

US5253802A Foldable, microwavable baking pan usable as a promotional device 失效
标题翻译：可折叠式，微波炉可用作促销装置
公开(公告)号：US5253802A
公开(公告)日：1993-10-19
申请号：US973506
申请日：1992-11-09
申请人： Stuart N. Bernard , Christianne L. Strauss , Marsha D. Thompson , Duane R. Mode
发明人： Stuart N. Bernard , Christianne L. Strauss , Marsha D. Thompson , Duane R. Mode
IPC分类号： B65D5/36 , B65D81/34 , B65D5/42
CPC分类号： B65D81/3453 , B65D5/3635 , B65D2581/3408 , Y10S229/903
摘要： A pan (10) is formed from a single blank (12) of plastic-coated paperboard and is foldable between a three-dimensional, erect condition and a flat condition. In the flat condition, first and second isosceles trapezoid-shaped side panels (20) are folded about the side edges (18) of a bottom panel (14) to overlie the bottom panel (14) and with their upper edges (22) abutting. Additionally, in the flat condition, first and second triangular panels (34) are folded about the side edges (32) of end panels (28) to overlie the end panels (28). The end panels (28) are in the shape of isosceles trapezoids and are integrally connected to the opposite end edges (16) of the bottom panel (14) and extend continuously therefrom in the flat condition. Attachment panels (38) are foldable about the outer edges (36) of the triangular panels (34) and are secured to the side panels (20) with the side edges (24) of the side panels (20) abutting with and being foldable with the outer edges (36) of the triangular panels (34). In the three-dimensional condition, the side panels (20), the end panels (28), and the triangular panels (34) upstand from the bottom panel (14) to define a volume and form a water-tight container for holding batter. Once erected, tabs (48) can be folded down along a fold line (46) extending across the triangular panels (34) and the end panels (28) at the height of the side panels (20), with the folded tabs (48) helping hold the pan (10) in the erect condition and for use as handles in carrying the pan (10). In the preferred form, parabolic slots (50) are formed in the side panels (20) to prevent overfilling and for safety reasons.
摘要翻译：锅（10）由塑料涂布纸板的单个坯料（12）形成，并且可在三维，直立状态和平坦状态之间折叠。在平坦状态下，第一和第二等腰梯形侧片（20）围绕底板（14）的侧边缘（18）折叠以覆盖底板（14）并且其上边缘（22）邻接。另外，在平坦状态下，第一和第二三角形面板（34）围绕端板（28）的侧边缘（32）折叠以覆盖端板（28）。端面板（28）呈等腰梯形的形状，并与底板（14）的相对端边缘（16）整体连接，并在平坦状态下连续延伸。附接板（38）围绕三角形面板（34）的外边缘（36）可折叠并且被固定到侧板（20），侧板（20）的侧边缘（24）邻接并可折叠与三角形面板（34）的外边缘（36）连接。在三维状态下，侧面板（20），端面板（28）和三角形面板（34）从底板（14）竖起来形成容积并形成用于保持面糊的防水容器。一旦竖立，突片（48）可以沿着侧板（20）的高度处延伸穿过三角形面板（34）和端板（28）的折叠线（46）向下折叠，折叠的突片（48））帮助将锅（10）保持在直立状态，并用作携带锅的手柄（10）。在优选形式中，抛物面槽（50）形成在侧板（20）中以防止过度填充并出于安全原因。

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