CN1072898A - 板材互锁装置 - Google Patents

板材互锁装置 Download PDF

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CN1072898A
CN1072898A CN92112840A CN92112840A CN1072898A CN 1072898 A CN1072898 A CN 1072898A CN 92112840 A CN92112840 A CN 92112840A CN 92112840 A CN92112840 A CN 92112840A CN 1072898 A CN1072898 A CN 1072898A
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J·R·奥里夫
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WestRock Packaging Systems LLC
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Abstract

用来在重叠的接触表面上互锁一对板材且由一 板材上压制出的并列的双锁定舌片，该舌片被穿过并 列的且由一加强支撑将其相互分开的双夹持孔眼，该 加强支撑在其两端与另一板材整体连接，该加强支撑 被布置得占据了双夹持孔眼之间的间隔。

Description

本发明涉及固定其中包括许多物品的一空心包装壳的各重叠端部。
1978年5月1日出版的美国专利4，077，095及由这个发明的代理人同意而公开和要求的板材互锁装置，其中由一个板材压成的肩形锁定舌片被穿过由一夹持舌片和一形成于锁定舌片的底部的一固定孔眼共同限定的另一板材中的一个孔眼，该孔眼容纳一个由锁定孔眼的一个边缘凸起的一固定舌片。
新西兰专利191，646，由这个发明的代理人同意而公开了锁定舌片和夹持舌片，其中由一板材压制成的一单锁定舌片被穿过由另一板材压制成的一对夹持舌片所限定的一个孔眼并通常布置为相互倚靠的关系。
1991年3月19日出版的美国专利5，000，313及由这个发明的代理人同意而公开了具有重叠的两板材接触面的一空心包装壳，用于包装许多特殊形状的罐头组并且其中所采用的包装壳尤其是为容纳具有两个朝内凹的端部的罐头组。
根据本发明的一个形式，利用并排的双锁定舌片在重叠的接触面上互锁一对板材，该双锁定舌片由两板材之一压制而成并被穿过在另一板材中形成的并排间隔的双夹持孔眼，并且该孔眼由插入两夹持舌片之间的一加强支撑分开的双夹持舌片限定，并且该加强支撑被布置为用其各端部与另一板材整体连接。
在附图中，图1是由内侧观察的一个纸盒坯料的平面视图;图2，3，4和5描述了根据本发明形成的锁定和夹持舌片并且它表示了在一对重叠板材之间按一顺序步骤产生互锁关系的结构;图6是一个由图1的坯料形成的一装配好的纸盒的视图，但它表示处于一翻转位置的纸盒以表示根据本发明形成的各锁定元件的布置;图1a是一个图1上所显示的一个部件的放大图。
首先参照图1，数字1表示纸盒顶壁。一对容纳手指的孔眼2和3形成于顶壁1中并且通常由舌片4和5封闭，该舌片4和5沿弯折线6和7可弯折地分别与顶壁1连接。与手指容纳孔眼2相关的形成一对辅助划痕6a和6b并且两划痕通常朝顶壁拐角分叉，并且也提供有同样的辅助划痕7a和7b。一对连续不间断的倾斜狭条8和9分别沿弯折线10和11分别与顶壁1可弯折地连接。弯折线10和11具有分叉延伸部分，该延伸部分相对于这些弯折线成角度布置并标以参照号10a和11a。侧壁12和13分别沿弯折线14和15可弯折地与倾斜狭条8和9相连。当加固板材20和21分别沿弯折线22和23可弯折地与侧壁13的两端部边缘连接时，加固板材16和17分别沿弯折线18和19可弯折地与侧壁12的两端边缘连接。
倾斜的狭条24沿一弯折线25可弯折地与侧壁12的底边缘相连并且倾斜狭条26沿一弯折线27可弯折地与侧壁13的底边缘相连。
倾斜的狭条8和9最好比倾斜狭条24和26稍宽。
底部搭接板材28沿弯折线29可弯折地与倾斜的狭条24的底边缘相连并且底部搭接板材30沿弯折线31可弯折地与倾斜狭条26的底边缘相连。
为在纸盒内固定以一复杂的装箱组合形式包装的罐头，纸盒坯料置于一包装组合物的上面并且将固定板材16、17、20和21朝内弯折到相对于侧壁12和13的相邻内表面接触的平面是显而易见的。通常以50和51、52和53表示的连接板结构布置于横跨纸盒的各上拐角的两边并且防止罐头通过以公知的弯折操作实现的纸盒两端掉出。在类似的形式中，连接板结构54、55、56和57布置于横跨纸盒各底部拐角的两侧并且帮助固定的罐头以防止通过包装壳的两端掉出。
为以重叠的形式将搭接板材28和30固定在一起，由搭接板28压制出许多双夹持舌片33a、33b、34a、34b和单夹持舌片32和35，由此限定了各孔眼，该孔眼用于分别容纳由搭接板30压制出的双锁定舌片37a、37b、38a、38b和单锁定舌片36和39。在利用机器部件将坯料围绕被包装的罐头组牢固的紧固后，这些锁定舌片被穿过由各夹持舌片限定的各开口，该机器部件进入形成在搭接板28中的紧固孔眼40、41和42、同样的机器紧固部件进入形成在搭接板30中的孔眼43、44和45，并且这些孔眼被画为相互处于朝内的相对方向，以便将搭接板28和30一起锁定在接触平面上而形成公知方式的一个纸盒复杂底壁之前，将坯料围绕一包装物组紧固。
每个连接板结构包括一对连接板板材如60、61和60a、61a，它们分别由分叉延伸部分10a和11a可弯折地连接在一起，它们通常以和侧壁朝内倾斜的各上部的锥形角相应的一个角朝内分叉。一个连接板板材60沿弯折线62可弯折地与固定板材16的一个端部相连，并且另一个连接板板材60a沿弯折线62a可弯折地与固定板材20相连。连接板板材61沿弯折线63可弯折地与顶壁1相连并与罐头的顶部成切向地布置。连接板板材61a沿弯折线63a可弯折地与顶壁1相连。弯折线62和63及弯折线62a和63a最好被设置成为相互为120的角。一个用数字64表示的切掉区域用来将连接板板材60和倾斜狭条8隔离开，并且切掉区域64a将连接板板材60a和倾斜狭条9隔离开。根据所描述的连接板结构连同连接板结构50和51，也形成连结板结构52～57是显而易见的。
弯折线29a的31a分别相应于弯折线10a和11a并且弯折线29b和31b相应于弯折线62和62a。
当图1的包装壳置于围绕一罐头物组时，连接板结构如50、51、54和56置于横跨纸盒各拐角的两则并牢固地箍紧被包装的罐头组并且防止各罐头通过纸盒的邻近端部掉出。同样的连接板结构52、53、55和57固定了纸盒的另一端。
根据本发明，由于如37a，37b和38a和38b的双锁定元件的共同作用，在重叠的两板材的接触面之间的互锁装置的可靠性极大地增加了，该双锁定元件如37a、37b和38a和38b被穿过由双夹持舌片33a、33b和34a和34b限定的间隔开的双夹持孔眼，靠加固支撑S将双夹持舌片33a、33b和34a和34b分开。
图2表示了在锁定操作开始之前的板材28、30和固定舌片ST2。固定舌片ST1和固定舌片ST2可提供不用锁定装置的接合的锁定并布置为与加固支撑S的邻近端相接触。在板材28和30互锁后，图3由纸盒的内侧表示了它们。图4表示了放大的该结构并像图5所示的夹持舌片34b支撑顶住锁定舌片38b那样。图4表示了加强支撑S并表示了沿一弯折线34C折离板材28的夹持舌片34b，夹持舌片34b以其两侧的长度不同而成形弯折线34c。如图1a所示的角A是一个锐角并使夹持舌片34b和另一些这样的舌片相对于加强支撑S和板材28存在一个角度。锁定舌片如37a和37b的肩部布置为倚靠的关系。
这种结构的一个优点是它改善了被锁定的各板材的抗拉强度，这是在改进这种结构中通过多次试验实现的一些实际结果表示出的。本发明的另一个优点是由于一个简单的回转轮可在各个锁定位置装有两个锁定插杆P，靠利用公知锁定机器元件确定的适当简单步骤，易于提供将双锁定舌片插入间隔的双锁定孔眼的机器。由本发明实现的另一优点是以这样一种方式构成各锁定舌片这个事实，即各锁定舌片更易于穿过各锁定孔眼，相对于各夹持舌片成角度布置，它们通过弯折线连接与它们相邻的板材，它们相对于布置在双锁定孔眼之间的加强支撑成一锐角分叉。

Claims (11)

1、一种在重叠接触面上互锁一对板材的装置，所述装置包括并列的双锁定舌片，它们中的每个都具有由其两侧横向凸出的相邻肩部并都是由所述两板材之一上压制成的，并且它们的每个均在其底部与所述一板材可弯折地连接，和由所述两板材的另一个上压制出的、并列且间隔开的双夹持舌片并且该夹持舌片在所述两板材的所述另一个上限定了各锁定孔眼，每一个夹持舌片在其底部与所述两板材的所述另一个可弯折地连接并与相对于所述各锁定舌片之一倚靠着布置，为的是随所述各锁定舌片穿过关联的锁定孔眼的运动，将所述一个锁定舌片相对于所述两板材成角度地固定并帮助所述两板材在接触面上固定。
2、根据权利要求1的一种装置，其特征在于一加强支撑放入所述夹持舌片之间并在其两端与所述两板材的所述另一个整体连接。
3、根据权利要求1的一种装置，其特征在于将所述双锁定舌片的所述两相邻肩部布置为相互倚靠的关系。
4、根据权利要求2的一种装置，其特征在于一固定舌片与所述一板材整体成形并放于所述双锁定舌片的两底部之间。
5、根据权利要求4的一种装置，其特征在于所述固定舌片相对于所述加强支撑的相邻端部叠置布置。
6、根据权利要求2的一种装置，其特征在于所述双夹持舌片的两相邻侧边缘限定了所述加强支撑的两相对侧边缘。
7、根据权利要求6的一种装置，其特征在于与所述加强支撑的所述两边缘相对的所述双夹持舌片的所述两边缘短于所述加强支撑的所述两边缘。
8、根据权利要求7的一种装置，其特征在于当相应的双锁定舌片被朝内推动时，所述所述双夹持舌片的每一个均沿一弯折线朝内弯折而被布置得与所述加强支撑的相邻侧边缘成一锐角。
9、根据权利要求8的一种装置，其特征在于所述每个夹持舌片的端部边缘倚靠着相关的锁定舌片布置。
10、根据权利要求4的一种装置，其特征在于由所述各锁定舌片的相邻部分压制出所述固定舌片。
11、根据权利要求10的一种装置，其特征在于所述各锁定舌片的相邻肩部复盖在所述加强支持的相邻端部的内表面上面。
CN92112840A 1991-10-15 1992-10-15 板材互锁装置 Expired - Lifetime CN1033076C (zh)

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WO1993008085A1 (en) 1993-04-29
GR3020676T3 (en) 1996-10-31
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CN1033076C (zh) 1996-10-23
ATE139198T1 (de) 1996-06-15
DE69211529T2 (de) 1996-10-31
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PL299432A1 (en) 1993-11-29
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HU9302028D0 (en) 1993-11-29
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SG46332A1 (en) 1998-02-20
PT100966B (pt) 1999-07-30
EP0562097A4 (zh) 1994-08-31
ECSP920871A (zh) 1994-01-12
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