CN101253098B - 具有自锁角片折叠底折片的八角形散装箱 - Google Patents

具有自锁角片折叠底折片的八角形散装箱 Download PDF

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CN101253098B
CN101253098B CN2006800317513A CN200680031751A CN101253098B CN 101253098 B CN101253098 B CN 101253098B CN 2006800317513 A CN2006800317513 A CN 2006800317513A CN 200680031751 A CN200680031751 A CN 200680031751A CN 101253098 B CN101253098 B CN 101253098B
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M·怀斯卡弗
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Abstract

一种八角形散装箱(10)具有侧壁、端壁和置于相邻侧壁与端壁之间的对角板。底折片(21、22、24、25、27、28、39、30)可折叠地接合到侧壁、端壁和对角板的底边缘,角片板(40,41)将底折片的相邻侧边缘连接起来,从而便于组装散装箱和使折片切割部(42)与箱的拐角间隔开,以减小或消除箱的竖直拐角的撕裂的启动。塑料托盘(100)具有绕着其周边的直立唇部,所述唇部的形状和尺寸适于紧密地接收八角形箱的底端,以加强底端和便于操纵箱。

Description

具有自锁角片折叠底折片的八角形散装箱
技术领域
本发明涉及散装箱,尤其涉及一种用于八角形散装箱的自锁底折片结构。
背景技术
散装箱在用于储存和运输多种产品的工业中使用,并通常装载2000磅或更重的产品,包括可流动或半液体产品,例如粉碎家禽。当可流动产品要容纳在箱中时,袋子通常放置在箱中用于接收产品。可流动产品施加在侧壁上的向外的力特别大,且趋向于使侧壁向外鼓起。箱通常由波纹纸板制成,且包括沿着竖直折叠部接合在一起的多个侧壁。箱的底部优选由沿着水平折叠部接合到侧壁的底边缘的向内折叠底折片封闭或部分封闭。折片通过从折片的外边缘延伸到竖直和水平折叠部的交点或交点附近的槽或切割部彼此分离。这种结构产生可启动竖直折叠部的撕裂的弱点。竖直折叠部的撕裂可迅速向上传播,使得侧壁爆裂和箱的失效,进而导致储存产品的漏失。
为了至少部分地减小侧壁的向外鼓起,工业上已采用了具有八角形形状的散装箱,其中,对角板置于相对侧壁和相对端壁的相邻边缘之间。在传统八角形箱中,对角板宽度上小于箱的侧壁或端壁,尽管与具有相当的容量和尺寸的相应四边形箱相比,八角形结构降低了侧壁和/或端壁的宽度并从而降低了侧壁和/端壁向外鼓起的程度,但侧壁和/或端壁仍具有显著大的宽度。
由波纹材料制成的散装箱通常由单个坯件制成,所述坯件被压痕以限定出侧壁、端壁、对角板和底折片。坯件在联合企业处由制造厂商折叠并固定,并在展平状态下运输给使用者。使用者然后在一端将展平的箱组装起来并将其打开成展开的管状结构。底折片此时向内折叠,并被固定以将箱保持在其组装状态下。自锁底折片已被开发出,以便于将箱从其展平状态组装成其完全打开的可用状态。
八角形散装箱通常具有八个底折片,包括:两个主折片、两个次折片和四个对角折片。具有或不具有自锁底折片的传统八角形散装箱组装时繁琐麻烦,从而使用者通常会寻找替代性包装。而且,传统八角形散装箱上的底折片的向内折叠的顺序步骤例如由于延伸到箱底部的内部中的对角折片而使得在箱的底部中产生额外的夹点,这可损坏袋子并使它破裂,从而污染储存产品。
希望提供一种具有八角形散装箱的所有优点但不存在与传统散装箱相关的问题的散装箱,特别是需要提供一种具有底折片尤其是自锁底折片的八角形散装箱,该八角形散装箱可相对容易地装配直立成其工作位置,且被构造成避免可启动竖直折叠部撕裂的弱点的形成和避免底部中夹点的形成。
发明内容
本发明包括一种具有自锁底折片的散装箱,该散装箱被构造成可相对容易地装配直立起来,且避免了可启动竖直折叠部的撕裂的弱点的形成,并避免了底部中的夹点的形成。
更特殊地,本发明包括一种具有自锁底折片的八角形散装箱,该自锁底折片具有连接在对角折片与相应的相邻主底折片和次底折片的相邻边缘之间的角片板或连接板,从而,与传统八角形箱需要向内折叠八个底折片相比,使用者仅需要向内折叠四个底折片,且其中,将底折片彼此分离的切割部或狭缝以与竖直折叠部间隔开的关系终止,从而消除了可启动竖直折叠部的撕裂的弱点。底折片的结构和折叠步骤也避免了夹点的形成。
在次底折片的端部中切出的凹口在每个次底折片上形成一对锁定凸片,且在主底折片中邻近它们的外边缘处切出的倾斜槽形成用于接收锁定凸片的开口。两个主底折片首先向内折叠成使箱摆好,随后次底折片向内折叠。由于对角折片通过角片连接到主底折片和次底折片的相邻边缘上,因此,主折片的向内折叠会使次折片和对角折片向内运动,次底折片随后向内折叠到它们的向内折叠的工作位置还会使得对角折片向内折叠,使得对角折片基本上夹在主折片与次折片之间。通过将向内折叠的次折片向下挤压抵靠着先向内折叠的主折片,次底折片上的锁定凸片咬合在主底折片中的槽内,以将底折片锁定在位,从而将箱保持成其组装状态。
此外,在本发明的优选实施例中,对角板与端壁具有相同或大致相同的宽度,从而,与具有相当容量的箱相比降低了侧壁和端壁的宽度,因此降低了侧壁和/或端壁的向外鼓起。
本发明的散装箱可以是单壁的、双璧的或三壁的结构,具有或不具有芝麻胶带(sesame tape)或带状加强件,且可很容易地施加拉伸包裹物。
角片板不仅便于组装箱和将折片狭缝的端部与竖直折叠部的底端间隔开,而且还便于封闭箱底部的拐角。
本发明的散装箱可使用传统木制托盘或滑托板,或可直接放置在地面上。而且,申请人已经开发出了可用于八角形散装箱的塑料托盘,尤其是当该托盘用于本发明的散装箱时,想像得出箱可上下堆放,而这在使用传统八角形散装箱时是不可能的。而且,塑料托盘充当夹具以便于组装八角形散装箱,且防止箱的顶部与地面之间的接触,从而减轻或消除污染问题。托盘重量轻、可嵌套而使储存和运输经济,且可重复使用,并对手力千斤顶具有双向可触及性、对叉车具有四向可触及性。尽管如在此所示和所述地用于本发明的八角形散装箱,但可以理解,塑料托盘同样可用于传统八角形散装箱,且经过合适修改也可用于四边形箱。
附图说明
通过下面结合附图所作的详细描述,本发明的前述以及其他目的和优点将变得显而易见,其中,在所有视图中,相同的附图标记表示相同的部件,附图包括:
图1是根据本发明的八角形散装箱的一个实施例的透视顶视图,其中,对角板比端壁板宽度小;
图2是本发明的箱的优选实施例的透视仰视图,其中,端壁和对角板具有相同的宽度;
图3是用于制作根据本发明的箱的坯件的平面图,其中,对角板与端壁板具有相同的宽度,用于形成图2所示的优选实施例;
图4是图3的坯件的平面图,该坯件被对折成用于运输给使用者的展平状态;
图5是图4的折叠的平坯件的一部分的局部放大平面图,示出了一个角片板的结构细节;
图6是根据本发明的箱在组装的初始阶段中处于颠倒位置且部分展开的放大透视图,同时箱的开口顶端定位在根据本发明的塑料托盘上,以便有助于使箱摆好和防止箱的顶端与地面或地板接触,从而防止顶端遭到污染。
图7是图6的箱的底部的一部分的局部放大透视图,示出了箱的另一组装阶段,其中,主底折片被向内折叠;
图8是图7的箱的透视仰视图,其中箱支撑在塑料托盘上,且示出了在两个主底折片向内折叠后的正向内折叠的一个次底折片;
图9是图8的箱的透视仰视图,示出了向内折叠到其工作位置的另一次底折片,且折片被示出成互锁;
图10示出了在所有底折片已被向内折叠并互锁后的箱,且示出了根据本发明的第二塑料托盘如何可放置在箱的完全折叠互锁的底部上;
图11和12示出了倾斜脱离先前用于保护箱的开口顶端的塑料托盘的图10的颠倒的箱;
图13示出了放置在先前施加到图10的箱的底端的托盘上的处于直立位置的图11和12的箱,且示出了有助于在高流动性材料放置在箱中时有助于容纳这种材料的嵌入箱内的塑料衬袋;
图14示出了施加有加强带或条和塑料收缩包裹物的完全组装起来的箱;
图15是图2中的圆圈内的部分的局部放大透视图,示出了向内折叠到它们的工作锁定位置的所有折片;以及
图16是可用于本发明的箱的塑料托盘的透视顶视图。
具体实施方式
在附图中,根据本发明的八角形散装箱总体上以附图标记10表示,且特别地参看图1、2和3,该八角形散装箱包括相对的平行侧壁11和12、相对的平行端壁13和14以及置于相应的侧壁与端壁之间的对角板15、16和17和18。侧壁、端壁以及对角板沿着竖直折叠部20接合。主底折片21和22沿着水平折叠部23可折叠地接合到相应侧壁的底边缘,次底折片24和25沿着水平折叠线26可折叠地接合到相应端壁的底边缘,且对角底折片27、28、29和30沿着水平折叠部31接合到相应的对角板。主底折片和次底折片在它们的相应折叠部与自由边缘之间等长,但主底折片比次底折片宽得多,且在其相反的侧边缘上具有梯形形状翅片33和34。对角底折片比主底折片和次底折片短得多,在所示的特殊实施例中,它们的相应折叠部与自由边缘之间的长度被示出成仅为主折片和次折片的长度的大约1/3。
应当指出,如图1所示,端壁比侧壁宽度小,对角板比端壁宽度小,但如在其他图所示的优选实施例中所述,对角板与端壁具有相同的宽度。本发明同样适用于任一形式。
在任一形式中,次底折片在它们相应的相邻侧边缘处通过主角片板或连接部40连接到对角底折片,且主底折片通过次角片板或连接部41连接到对角底折片的相应的相反侧边缘,从而,将主底折片与相邻的对角底折片分离的狭缝或切割部42未延伸到将这些折片接合到相应的侧壁和对角板的水平折叠部。此外,切割部42界定出翅片33和34的倾斜侧边缘43和44,且以背向水平折叠部和竖直折叠部的J或钩形45终止,从而使应力偏离竖直折叠部的下端,以避免在竖直折叠部中启动撕裂。
角片板或连接部40和41最好参见图4、5和7。主连接部40由与关联的次底折片的侧边缘大致共线延伸的第一折痕46和与第一折痕成大约30°的角延伸的第二折痕47形成,并使第一和第二折痕分别邻近于竖直折叠部20和26的最近相交部位会聚。曲切割部(reliefcut)48和49形成在相应的折痕46和47中,且延伸经过相应折痕的中间部分的大约三分之一长度,并在它们的端部处以短的横向切割部50和51终止,以防止切割部48和49的扩展。
次角片板或连接部41由第一折痕55和第二折痕56限定,所述第一折痕55分别与倾斜侧边缘43大致共线、且从钩形切割部45的底部延伸到邻近于竖直折叠部20和水平折叠部26的最近相交部位,所述第二折痕56与第一折痕成大约30°的角定向,且从钩45的鼻部延伸成邻近于所述最近相交部分与第一折痕会聚。
关于角片板40、41以及切割部42、45,应当指出,切割部45的形状不必局限于J形,而是可以具有使应力偏离切割部42的端部并避免启动沿着角片板折痕55、56中的一个折痕或沿着一个竖直折叠部20的撕裂的任何形状。例如,切割部可被成形为变形的希腊字母Ψ,或颠倒的变形希腊字母Ψ或T、L、U、V等,如在2002年12月12日提交的同属于本申请人的在先美国申请No.10/316966中所述。而且,角片板折痕46、47或55、56相交的点可位于水平折痕23、26或31,或者与其间隔开短的距离。
自锁结构由每个次底折片的自由边缘中的一对三角形形状凹口60和61、和一对倾斜槽64和65限定,所述一对三角形形状凹口60和61在次底折片的拐角上形成一对锁定凸片62和63,所述一对倾斜槽64和65形成在主底折片中它们的自由边缘附近的位置处,以在主底折片和次底折片向内折叠在箱的底部上时接收锁定凸片。
为了使箱装配直立起来,它被放置在底端朝上的颠倒位置,如图6所示。如果需要,为了有助于使箱摆好和为了防止箱的顶端污染,颠倒的箱可被放置在塑料托盘100上。如图7所示,主底折片21和22首先向内折叠,随后次底折片24和25向内折叠。然后次折片向下挤压在主折片上,使主折片向下稍微移动到箱中,以使锁定凸片62和63与槽64和65正向对齐。当向下压力被释放时,折片向上弹回,使得凸片伸入到槽中,以在大致平的位置处将折片互锁起来而封闭箱的底部,如图2所示。注意,锁定的次底折片也扣锁着对角底折片,以将它们保持在它们的向内折叠位置。
如图3所示,箱10由单个整体坯件B制成。坯件包括一块大致矩形形状且具有合适重量的波纹材料,例如单壁、双壁或三壁,且具有多个第一平行的间隔开的折痕20,所述多个第一平行的间隔开的折痕20界定出侧壁板11和12、端壁板13和14以及对角板15、16、17和18。垂直于第一折痕20延伸的第二折痕23相应地限定出侧壁板11和12、端壁板13和14和对角板15、16、17和18的底边缘。多个底部形成折片板21、22、24、25和27-30沿着相应的折痕23、26和31接合到相应壁板的底边缘。板21和22形成主底折片,板24和25形成次底折片,板27-30形成从坯件装配直立起来的箱中的对角底折片。大致梯形形状的侧延伸部或翅片33和34沿着折痕20可折叠地接合到主底折片的相反侧边缘。对角底折片形成板27-30通过第一和第二角片40和41可折叠地接合到毗邻的主、次底折片形成板的相应的相邻侧边缘。
主底折片形成板21和22通过切割部42与毗邻的对角折片形成板分离,所述切割部42以大约45°的角从相应板的侧边缘延伸到与相应的折痕23或31间隔开显著大的距离的点。切割部42限定出翅片33和34的倾斜侧边缘43和44,且以背向折痕23、26和31的J或钩形45终止。第二角片41将主底折片形成板和相邻的对角折片形成板在J形切割部45和折痕23、26和31之间的区域中互连起来。
第一角片40包括三角形连接部,该三角形连接部由一对折痕46和47界定,所述一对折痕46和47以大约30°的角分叉、且从邻近于但与相应折痕23、26和31以及该折痕与相邻折痕20的接合部位间隔开的点延伸到相应对角折片板的自由外边缘。促进折叠切割部48和49沿着折痕46和47的一小部分长度形成,且形成了横跨切割部48和49的端部的短的横向切割部,以防止切割部48和49的扩展。折痕46与相应的相邻折痕20和相应的次底折片板的侧边缘大致同轴对齐。
第二角片41包括三角形连接部,该三角形连接部由一对折痕46和47界定,所述一对折痕46和47以大约30°的角分叉、且从邻近于但与相应折痕23、26和31以及该折痕与相邻折痕20的接合部位间隔开的点延伸到相应的J形切割部45。
一对大致V形凹口60和61形成在每个次底折片板24和25的自由外边缘中,从而在次底折片板的外拐角上限定出一对锁定凸片62和63。
倾斜槽64和65形成在每个主底折片板21和22的外侧边缘部分中。
可用于包括本发明的八角形箱在内的箱的塑料托盘100有利于组装箱和防止箱的顶部污染,且还有助于阻止侧壁由于储存在其中的材料的向外压力而向外鼓起。而且,可以想像得出托盘的使用可使得箱上下堆放。
最好参看图16,托盘100包括平台101,该平台101具有绕着其周边的直立唇部或凸缘102,该唇部或凸缘102的尺寸和形状适于紧密地接收八角形箱的底端。因此,托盘不仅能够起着夹具的作用以帮助组装箱,而且它还加强了托盘的底端,以便有助于阻止箱的容纳物产生的向外压力。托盘还包括腿部或支撑部103,该腿部或支撑部103从平台的底表面向下伸出,从而在它们之间限定出用于接收手力千斤顶或叉车的叉齿的空间。腿部是中空的,这最好参看图6,且腿部被成形成使一个托盘的腿部可嵌入或伸入到底下托盘的腿中,用于托盘的可嵌套堆放。

Claims (8)

1.一种八角形散装箱,包括:
一对相对侧壁、一对相对端壁和置于相邻侧壁与端壁之间的成对的对角板,其中,侧壁、端壁和对角板沿着竖直折叠部彼此接合起来;
沿着水平折叠部可折叠地接合到侧壁的底边缘的主底折片;
沿着水平折叠部可折叠地接合到端壁的底边缘的次底折片;
沿着水平折叠部可折叠地接合到对角板的底边缘的对角底折片;
将所述主底折片与相应的相邻对角底折片分离的切割部,所述切割部以与所述水平折叠部间隔开的关系终止,以防止启动所述竖直折叠部的撕裂;以及
将每个次底折片的相反侧边缘与相应的相邻对角底折片的相邻侧边缘互连起来的第一角片板,其中,
第二角片板将每个主底折片的相反侧边缘与相应的相邻对角底折片的相邻侧边缘互连起来,且将所述主底折片与相应的相邻对角底折片分离的所述切割部终止于相应的第二角片板;
将所述主底折片与相应的相邻对角底折片分离的所述切割部以J形终止,所述J形使应力偏离所述水平和竖直折叠部;
所述第一和第二角片板分别包括由一对折痕界定的三角形连接部,所述一对折痕从用于相应的关联折片的水平折叠部与相邻的竖直折叠部的接合部位附近的点分叉;
界定出每个所述第二角片板的连接部的分叉折痕中的一个折痕与将相应的所述主底折片与相应的相邻对角底折片分离的相应切割部共线,且所述分叉折痕中的另一个折痕延伸到所述J形的末端。
2.如权利要求1所述的八角形散装箱,其特征在于:
界定出每个所述第一角片板的连接部的所述一对分叉折痕中的一个所述折痕与相应的次底折片的相邻侧边缘和相邻竖直折叠部共线;以及
所述一对分叉折痕中的另一个所述折痕延伸到相应的对角底折片的自由外边缘。
3.如权利要求1所述的八角形散装箱,其特征在于:
促进折叠切割部形成在界定出每个所述第一角片板的所述连接部的每一个分叉折痕中。
4.如权利要求3所述的八角形散装箱,其特征在于:
形成横跨每个促进折叠切割部的相反端部的短的横向切割部,以防止所述促进折叠切割部的扩展。
5.如权利要求1所述的八角形散装箱,其特征在于:
一对间隔开的V形凹口形成在每个次底折片的外自由边缘中,从而在每个次底折片的所述外自由边缘的相反拐角上形成一对间隔开的锁定凸片;以及
一对间隔开的开口槽形成在邻近于每个所述主底折片的外自由边缘的位置处,以在主底折片和次底折片向内折叠到横跨所述箱的底部的封闭位置时与相应的所述锁定凸片正向对齐,所述锁定凸片伸入到所述槽中,以将主底折片和次底折片锁定在它们的向内折叠位置。
6.如权利要求5所述的八角形散装箱,其特征在于:
界定出每个所述第一角片板的连接部的所述一对分叉折痕的一个所述折痕与相应的次底折片的相邻侧边缘和相邻的竖直折叠部共线;以及
所述一对分叉折痕中的另一个所述折痕延伸到相应的对角底折片的自由外边缘。
7.如权利要求5所述的八角形散装箱,其特征在于:
促进折叠切割部形成在界定出每个所述第一角片板的所述连接部的分叉折痕中的每一个折痕中。
8.如权利要求7所述的八角形散装箱,其特征在于:
形成横跨每个促进折叠切割部的相反端部的短的横向切割部,以防止所述促进折叠切割部的扩展。
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US20070051783A1 (en) 2007-03-08
US7681781B2 (en) 2010-03-23
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ATE444903T1 (de) 2009-10-15
WO2007027835A3 (en) 2007-04-26
ATE471878T1 (de) 2010-07-15
CA2621116C (en) 2011-10-18
CN101253099A (zh) 2008-08-27
US20070131746A1 (en) 2007-06-14
EP1919781B1 (en) 2010-06-23
WO2007027836A2 (en) 2007-03-08
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WO2007027835A2 (en) 2007-03-08
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CA2621116A1 (en) 2007-03-08
CA2620214C (en) 2013-04-02
CN101253099B (zh) 2011-07-27
CN101253098A (zh) 2008-08-27
NZ565981A (en) 2011-02-25
DE602006015065D1 (de) 2010-08-05
BRPI0617078A2 (pt) 2012-04-17
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