CN100456989C - 全密封超薄食品容器 - Google Patents
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- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2543/00—Lids or covers essentially for box-like containers
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Abstract
全密封超薄食品容器,包括盒盖和敞口盒体,盒盖边沿由内槽壁、槽顶、外槽壁构成向下开口的环状沟槽,盒体的盒口由内直沿、平沿、外直沿构成盒口复沿。沟槽套扣在盒口复沿,沟槽的内槽壁内侧面与盒口复沿的内直沿外侧面贴合、且在贴合处设置锁扣部,形成内层密封部;盒口复沿的外直沿向下向外倾斜延伸、且其下端部顶持于沟槽的外槽壁内侧面,形成外层密封部;沟槽的外槽壁内侧面上具有水平向内突起的凸块、且该凸块锁扣盒口复沿的外直沿下端部,形成防脱部。由此,使盒盖与盒体紧密扣合形成全密封结构,具有优良的密封性能和抗压强度,能有效防止食物汤汁的溢漏,而且当挠性盒体受挤压时盒盖不易脱落。
Description
技术领域
本发明涉及一种能防止食物汤汁泄漏、且具有高抗压强度的全密封超薄食品容器。
背景技术
现有的食品容器如午餐盒、野餐盒、快餐盒等,一般由盒盖和盒体构成,盒体内盛放食物,可随身携带,方便用餐。
为了解决携带过程中,食物汤汁外溢、泄漏的问题,有的餐盒上还设置密封装置,如专利号86210848、87216769、89200752、94222756等专利中公开的密封餐盒,其密封装置由卡扣、压扣、螺旋等锁紧机构和密封元件构成,这些设计均不但存在结构复杂,成本高等缺点,而且不适于塑料、纸质的快餐盒。专利号89218416公开的一种塑料吸塑快餐盒,采用二个凹凸台阶的自锁结构代替了原产品的平面吻合,使得快餐盒合起来后,不靠外力自行不可能打开,并改善了密封性能。这种快餐盒在受挤压时会变形,使得盒盖和盒体扣合部分产生缝隙,仍不能有效地防止汤汁的外溢。
本申请人已获授权的、公告号为2538192的实用新型专利(公告日2003.03.05,申请号02212413,申请日2002.01.22),提供了一种结构合理、密封效果良好的密封快餐盒。
为了减少材料消耗、降低成本,国内外都在致力于研究、开发注射成型制造超薄塑料食品容器(表面积≥6000mm2、厚度≤0.8mm的)的工艺技术。但是,如何提高超薄食品容器的盒盖和盒体配合处的密封性,目前仍是个难题。
发明内容
本发明的目的是提供一种具有全密封结构的超薄食品容器,使其具备良好的密封和抗压性能。
本发明提供的全密封超薄食品容器,包括盒盖和敞口盒体,盒盖边沿向上延伸形成内槽壁、内槽壁的上端部水平向外弯折延伸形成槽顶、槽顶的外端部向下弯折延伸形成外槽壁,由内槽壁、槽顶、外槽壁构成向下开口的环状沟槽,盒体的盒口向上延伸形成内直沿,内直沿的上端部水平向外弯折延伸形成平沿,平沿的外端部向下弯折延伸形成外直沿,由内直沿、平沿、外直沿构成盒口复沿,沟槽套扣在盒口复沿,沟槽的内槽壁内侧面与盒口复沿的内直沿外侧面贴合、且在贴合处设置锁扣部,沟槽的外槽壁内侧面上具有水平向内突起的凸块、且该凸块锁扣盒口复沿的外直沿下端部,其特征是:盒口复沿的外直沿向下向外倾斜延伸、且其下端部顶持于沟槽的外槽壁内侧面。
所述沟槽的内槽壁与盒口复沿的内直沿的锁扣部,包括分设于沟槽的内槽壁内侧面、盒口复沿的内直沿外侧面上的扣体。
本发明提供的全密封超薄食品容器具有多个密封结构:其一,由沟槽的内槽壁内侧面与盒口复沿的内直沿外侧面锁扣,形成内层密封部。其二,由盒口复沿的向外倾斜的外直沿下端部顶持于沟槽的外槽壁内侧面,形成外层密封部。其三,由沟槽的外槽壁内侧面凸块锁扣盒口复沿的外直沿下端部,形成防脱部,防止盒盖受压脱落。由此,在盒盖沟槽和盒口复沿的配合处形成全密封结构,使盒盖与盒体紧密扣合在一起,具有优良的密封性能和抗压强度,能有效防止食物汤汁的泄漏,而且当挠性盒体受挤压时盒盖不易脱落。这种密封食品容器结构合理、开合方便、成本低,适于大量制造。
本发明另一个特点是:在沟槽的槽顶内表面与盒口复沿的平沿外表面贴合处形成粘接部,通过该粘接部可将盒盖与盒体粘接在一起,可以作为食品包装盒使用。当包装盒拆开后,该粘接部分离,仍可作为密封食品容器使用。
另外,本发明还作了以下改进:盒盖中间部分形成拱起的梯形体,在携带时,可将多个盒盖套叠成摞,减小体积及占据的空间。同时在沟槽的内槽壁与梯形体的侧壁之间连接加强筋,当多个盒盖套叠时,由下层盒盖的加强筋支撑上层盒盖的底部,防止套叠的盒盖受压变形。
盒体壁呈倒梯形体,在携带时,可将多个盒体套叠成摞,减小体积及占据的空间。同时在盒口复沿的内直沿内侧面上设置加强筋,当多个盒体套叠时,通过上层盒体的加强筋支撑在下层盒体的盒口复沿的平沿上,防止套叠的盒盖受压变形。
盒体底部、盒盖顶部分别具有互相配合的凹、凸部,在携带时,可将多个密封食品容器套叠成摞,减小体积及占据的空间。
本发明提供的全密封超薄食品容器,其盒体、盒盖的壁厚均小于0.5毫米。
附图说明
图1是本发明提供的全密封超薄食品容器的主视剖视图。
图2是图1中A部的局部放大图。
图3是图1的俯视图。
图4是图1的仰视图。
图5是多个盒盖叠放在一起的局部示意例。
图6是多个盒体叠放在一起的局部示意例。
图7是多个密封超薄食品容器叠放在一起的示意例。
具体实施方式
下面结合附图和实施例对本发明作进一步详细说明。
本发明提供的全密封超薄食品容器,采用可再生的塑料材料(如聚丙烯树脂)和精密模具技术,经注射成型,制成壁厚小于0.5毫米的超薄盒盖、盒体。由盒盖、盒体配合形成全密封超薄食品容器。该容器适于用作快餐盒、食品盒、包装盒等。
其结构参照图1至图4,包括盒盖1和敞口盒体2,盒盖1边沿向上延伸形成内槽壁11、内槽壁11的上端部水平向外弯折延伸形成槽顶12、槽顶12的外端部向下弯折延伸形成外槽壁13,由内槽壁11、槽顶12、外槽壁13构成向下开口的环状沟槽。沟槽的内槽壁11内侧面设置有扣体14。沟槽的外槽壁13内侧面上具有水平向内突起的凸块15。沟槽的内槽壁11下端部水平向内弯折延伸形成盒盖的底部16。
盒体2的盒口向上延伸形成内直沿21,内直沿21的上端部水平向外弯折延伸形成平沿22,平沿22的外端部向下弯折延伸形成外直沿23,由内直沿21、平沿22、外直沿23构成盒口复沿。盒口复沿的内直沿21外侧面设置扣体24,由扣体14、24构成锁扣部。盒口复沿的内直沿21下端部水平向内弯折延伸形成盒口平台25。
沟槽套扣在盒口复沿、且形成如下配合结构:沟槽的内槽壁11内侧面与盒口复沿的内直沿21外侧面贴合,且通过扣体14、24扣合,形成内层密封部。盒口复沿的外直沿23向下向外倾斜延伸,其下端部顶持于沟槽的外槽壁13内侧面,形成外层密封部。由于盒口复沿与沟槽之间形成过盈配合,依靠材料本身所具有的弹性,可使沟槽夹紧盒口复沿,形成牢固的锁扣密封结构。不仅如此,沟槽的外槽壁13内侧面上的凸块15,锁扣盒口复沿的外直沿23下端部,形成防脱部,防止盒盖受压脱落。由上述的密封部、防脱部形成了全密封结构,使盒盖与盒体紧密扣合在一起,具有优良的密封性能和抗压强度,能有效防止食物汤汁的溢漏,而且当挠性盒体受挤压时盒盖不易脱落。
沟槽的槽顶12内表面与盒口复沿的平沿21外表面贴合,在贴合处还形成配合部31。该配合部可通过胶粘、热熔处理等方法形成粘合状态,使盒盖与盒体粘接在一起,作为密封食品包装盒使用。当包装盒拆开后,该粘接部分离后仍可作为密封食品容器使用。
本发明提供的全密封食品容器还具有如下改进:
参照图1、图3、图5,为了方便携带,盒盖中间部分形成拱起的梯形体17,在携带时,可将多个盒盖套叠成摞,减小体积及占据的空间。在沟槽的内槽壁11外侧面与梯形体的侧壁17之间形成了环槽,在环槽设置有连接沟槽的内槽壁11与梯形体的侧壁17的加强筋18,当多个盒盖套叠时,有下层盒盖的加强筋18支撑上层盒盖的底部16,防止套叠的盒盖受压变形。
参照图1、图4、图6,盒体壁26呈倒梯形体,在携带时,可将多个盒体套叠成摞,减小体积及占据的空间。同时在盒口复沿的内直沿21内侧面上设置加强筋27,当多个盒体套叠时,通过上层盒体的加强筋27支撑在下层盒体的盒口复沿的平沿22上,防止套叠的盒盖受压变形。
参照图7,盒体底部28、盒盖的梯形体17顶部分别具有互相配合的凹、凸部29、18,在携带时,可将多个密封食品容器套叠成摞,减小体积及占据的空间。
另外,这种全密封超薄食品容器的内部可制成多格式,盒盖上还可设置一次性标志,具体的结构可参照本申请人的相关专利。
Claims (9)
1、全密封超薄食品容器,包括盒盖和敞口盒体,盒盖边沿向上延伸形成内槽壁、内槽壁的上端部水平向外弯折延伸形成槽顶、槽顶的外端部向下弯折延伸形成外槽壁,由内槽壁、槽顶、外槽壁构成向下开口的环状沟槽,盒体的盒口向上延伸形成内直沿,内直沿的上端部水平向外弯折延伸形成平沿,平沿的外端部向下弯折延伸形成外直沿,由内直沿、平沿、外直沿构成盒口复沿,沟槽套扣在盒口复沿,沟槽的内槽壁内侧面与盒口复沿的内直沿外侧面贴合、且在贴合处设置锁扣部,沟槽的外槽壁内侧面上具有水平向内突起的凸块、且该凸块锁扣盒口复沿的外直沿下端部,其特征是:盒口复沿的外直沿向下向外倾斜延伸、且其下端部顶持于沟槽的外槽壁内侧面。
2、根据权利要求1所述的金密封超薄食品容器,其特征是:所述锁扣部包括分设于沟槽的内槽壁内侧面、盒口复沿的内直沿外侧面上的扣体。
3、根据权利要求1所述的全密封超薄食品容器,其特征是:在沟槽的槽顶内表面与盒口复沿的平沿外表面贴合处形成粘接部。
4、根据权利要求1所述的全密封超薄食品容器,其特征是:盒盖中间部分形成拱起的梯形体,且在沟槽的内槽壁与梯形体的侧壁之间连接加强筋。
5、根据权利要求1所述的全密封超薄食品容器,其特征是:盒体壁呈倒梯形体,且在盒口复沿的内直沿内侧面上设置加强筋。
6、根据权利要求1所述的全密封超薄食品容器,其特征是:盒体底部、盒盖顶部分别具有互相配合的凹、凸部。
7、根据权利要求1所述的全密封超薄食品容器,其特征是:其内部分隔成多格。
8、根据权利要求1所述的全密封超薄食品容器,其特征是:盒盖上设置一次性标志。
9、根据权利要求1所述的全密封超薄食品容器,其特征是:盒体、盒盖的壁厚均小于0.5毫米。
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CNB2005100424758A CN100456989C (zh) | 2005-02-16 | 2005-02-16 | 全密封超薄食品容器 |
PCT/CN2005/002434 WO2006086922A1 (fr) | 2005-02-16 | 2005-12-31 | Recipient plastique alimentaire ultra-mince completement scelle |
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CNB2005100424758A CN100456989C (zh) | 2005-02-16 | 2005-02-16 | 全密封超薄食品容器 |
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CN1820679A CN1820679A (zh) | 2006-08-23 |
CN100456989C true CN100456989C (zh) | 2009-02-04 |
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Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
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US20100163558A1 (en) * | 2007-06-06 | 2010-07-01 | Carl-Louis Pty Ltd | Beverage container closure |
CN101525062A (zh) * | 2008-03-04 | 2009-09-09 | 泉州梅洋塑胶五金制品有限公司 | 超薄注塑多格独立密封食品容器 |
DE102010000265B4 (de) | 2010-01-31 | 2018-04-19 | Rainer Spies-Matsuo | Zweiteilige Einweg Menübox für Lebensmittel, Fertiggerichte und Hamburger |
CN201801003U (zh) * | 2010-06-13 | 2011-04-20 | 泉州梅洋塑胶五金制品有限公司 | 一种新型全密封超薄食品容器 |
CN101927853A (zh) * | 2010-06-13 | 2010-12-29 | 泉州梅洋塑胶五金制品有限公司 | 全密封超薄食品容器的改良结构 |
CN102020055A (zh) * | 2010-10-14 | 2011-04-20 | 泉州梅洋塑胶五金制品有限公司 | 防伪密封包装盒 |
CN206842057U (zh) * | 2017-03-07 | 2018-01-05 | 歌乐电磁(深圳)有限公司 | 包装盒 |
CN109051280A (zh) * | 2018-06-15 | 2018-12-21 | 泉州梅洋塑胶五金制品有限公司 | 一种新型密封包装容器 |
CN109051275B (zh) * | 2018-06-15 | 2021-04-20 | 泉州梅洋塑胶五金制品有限公司 | 一种改良的抗变形包装容器 |
CN208963683U (zh) * | 2018-06-15 | 2019-06-11 | 泉州梅洋塑胶五金制品有限公司 | 一种密封包装容器 |
CN215795554U (zh) * | 2021-03-08 | 2022-02-11 | 斯道拉恩索公司 | 具有密封结构的容器 |
CN216602508U (zh) * | 2021-10-19 | 2022-05-27 | 深圳市微厨科技有限公司 | 加热餐盒 |
CN114104455A (zh) * | 2021-12-17 | 2022-03-01 | 泉州梅洋塑胶五金制品有限公司 | 一种包装容器 |
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- 2005-02-16 CN CNB2005100424758A patent/CN100456989C/zh active Active
- 2005-12-31 WO PCT/CN2005/002434 patent/WO2006086922A1/zh not_active Application Discontinuation
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JPH0210242U (zh) * | 1988-06-24 | 1990-01-23 | ||
DE29714678U1 (de) * | 1997-08-11 | 1997-10-09 | Hp Haushaltprodukte Gmbh, 56410 Montabaur | Behälter |
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WO2006086922A1 (fr) | 2006-08-24 |
CN1820679A (zh) | 2006-08-23 |
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