CN105015943A - 一种用于储存和微波加热食品的包装容器及其包装方法 - Google Patents
一种用于储存和微波加热食品的包装容器及其包装方法 Download PDFInfo
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Abstract
本发明公开了一种用于储存和微波加热食品的包装容器及其包装方法。所述包装容器包括容器主体、封口膜和保护盖体,该容器主体的顶部出口采用封口膜密封,封口膜上设有多个第一出气孔。所述容器主体与所述保护盖体螺纹连接,所述保护盖体顶部内凹设有第二排气孔,并采用石蜡封堵第二排气孔。本发明还公开了利用该包装容器的包装方法以及应用领域。本发明的包装容器结构合理简单,可直接放置在微波炉里加热,食物不会堵住透气孔,加热后打开即食,具有很高的实际应用价值。
Description
技术领域
本发明属于包装容器技术领域,具体涉及一种储存和微波加热食品的包装容器,包装方法和用途。
背景技术
近年来,食物的微波加热方式以其便捷、卫生的优点得到日益广泛的普及。食物被包在包装膜中或放进包装袋中,再放入微波炉加热,食物会产生大量的热蒸汽积聚在袋内,不打开封口就会有把包装袋胀破的可能。
为了确保食物在微波中得到合适的烹制,并为了防止包装袋爆裂,经常在加热前不得不打开包装,或人为将包装膜或包装袋用尖锐物刺数个穿通孔,以使微波烹饪的过程中产生的热量或水蒸气得以释放。而且食品袋包装加热后,还要放到碗里或盘里才能吃,并不能加热后直接食用。其他设排气孔并使用封堵材料的包装,所用封堵材料很难抵御各种极端自然环境的温度和湿度,导致不能保证包装的密封始终有效。并且排气孔设计的位置也不甚科学,包装的外形不合理,微波加热时,排气孔容易被内部的食物封堵住,达不到排气的目的。
现在市场上尚无以零售包装直接进行微波加热的食品包装,特别是适用于微波加热稠糊状食品的包装容器。
发明内容
针对上述现有技术中存在的问题,本发明的目的在于提供一种可避免出现上述技术缺陷的用于储存和微波加热食品的包装容器,包装方法和使用途径。
为了实现上述目的,本发明提供了一种用于储存和微波加热食品的包装容器,包括容器主体1、封口膜4和保护盖体5;所述容器主体1包括主体部分2和出口部分3;所述主体部分2呈筒状,底部端口采用热熔密封,顶部端口呈圆形,并与所述出口部分3热熔密封;所述出口部分3的顶部采用所述封口膜4密封,封口膜4上设有多个第一排气孔6;所述容器主体1与所述保护盖体5螺纹连接,所述保护盖体5顶部为近似半球形;所述保护盖体5顶部内凹处可选择地设有多个第二排气孔7,即当所述包装容器不用于微波加热时,所述内凹处无第二排气孔7,当所述包装容器用于微波加热时,所述内凹处设有第二排气孔7。
进一步地,所述保护盖体5上的第二排气孔7上设置有石蜡封堵层。
进一步地,所述出口部分3顶部端口的直径为0.7-10cm,优选为0.95cm。
进一步地,所述保护盖体5顶部第二排气孔7所在端口的直径为0.5-6cm,优选为0.8cm。
进一步地,所述第一排气孔6的直径为0.5-2mm,优选为0.8mm。
进一步地,所述第二排气孔7的直径为1.0-3mm,优选为1.2mm。
进一步地,所述第一排气孔6为3-5个,所述第二排气孔7为3个。
进一步地,所述第二排气孔7设置在距所述保护盖体5顶端内凹3-5mm处。
进一步地,所述封口膜4为四层结构,从内向外依次为食物蜡层、淀粉膜层、聚丙烯薄片层和食物蜡层,其中所述第一排气孔6设置在聚丙烯薄片层上。
进一步地,所述封口膜(4)的制备方法如下:
步骤(1)、在聚丙烯薄片层上均匀地打出3-5个圆孔;
步骤(2)、在聚丙烯薄片层的内表面上涂覆淀粉膜浆,所述淀粉膜浆的温度要保持在45-50℃;
步骤(3)、将涂覆有淀粉膜浆的薄片放在真空干燥箱内,先以50℃干燥40分钟,再以65℃干燥20分钟,形成淀粉膜层;
步骤(4)、分别在所述淀粉膜层内表面和聚丙烯薄片层的外表面上涂覆食物蜡层,食物蜡是由蜜蜂巢制成;
步骤(5)、干燥固化步骤(4)所得的薄片,得到封口膜成品。
进一步地,所述淀粉膜浆制备方法如下:
步骤(1)、将玉米淀粉和交联淀粉按照4:1的质量比例混合,溶解于水后调制成质量百分比浓度为25%的淀粉浆;
步骤(2)、将步骤(1)得到的淀粉浆的pH值调到5.0-6.0;
步骤(3)、加入占淀粉浆总重量为1.5%的食用氯化钙溶液,氯化钙溶液的质量百分比浓度为3.6%,搅拌并加热至70℃;
步骤(4)、淀粉浆完全糊化后要迅速冷却至45℃,按照每克淀粉浆加入50微克异淀粉酶的比例加入异淀粉酶,45℃恒温搅拌3小时后,再加入同样
重量的异淀粉酶,再搅拌6小时;
步骤(5)、向步骤(4)得到的淀粉浆中加入1重量%的甘油,搅拌均匀后用纱布过滤得到淀粉膜浆。
为了实现上述目的,本发明还提供了该包装容器进行食品包装的方法,包括如下步骤:
步骤(1)、对稠糊状的颗粒小于8mm的食物进行物理灭菌处理,所述物理灭菌处理为超声波灭菌;
步骤(2)、将灭菌之后的食物注入到所述包装容器内,食物的装入量,以平放所述包装容器时食物不会从包装容器出口流出来为准;
步骤(3)、进行抽真空处理,除去袋内的空气,并充入一个大气压的惰性气体混合气,所述混合气包括氮气和二氧化碳;
步骤(4)、用所述封口膜4密封包装容器的出口,并旋拧上保护盖体5,得到产品。
为了实现上述目的,本发明还提供了上述包装容器的用途,该包装容器可用于制备病号饭,方便餐,婴儿食品,宇航食品。
进一步地,所述包装容器用于储存稠糊状颗粒食品。
本发明的有益效果:本发明的用于储存和微波加热食品的包装容器,结构简单,易于储存,其结构决定了在使用微波炉加热时无需考虑包装容器放置的形态,均能保证容器内稠糊状食品不会从容器内流出或阻塞排气孔。
封口膜是本发明的发明点之一,其为多层结构,在自然环境下具有优异的密封防潮性能,微波加热时能够顺畅排气,符合食品安全标准的要求。
该包装容器可广泛适用于制备各种食品,具有广阔的应用前景。
附图说明
图1为本发明包装容器的结构示意图;
图2为本发明包装容器的立体图;
图3为本发明包装容器保护盖体正视图;
图4为本发明包装容器平放效果示意图;
图中,1-容器主体、2-主体部分、3-出口部分、4-封口膜、5-保护盖体、6-第一排气孔、7-第二排气孔。
具体实施方式
下面结合附图和具体实施例对本发明做进一步说明。
实施例1
如图1-3所示,一种用于储存和微波加热食品的包装容器,包括容器主体1、封口膜4和保护盖体5;所述容器主体1包括主体部分2和出口部分3;所述主体部分2呈筒状,底部端口采用热熔密封,顶部端口呈圆形,并与所述出口部分3热熔密封;所述出口部分3的顶部采用所述封口膜4密封。封口膜的作用是:1)微波加热时能够透气;2)经受得住各种自然环境对密封状态的考验。
封口膜4为四层结构,从内向外依次为食物蜡层、淀粉膜层、聚丙烯薄片层和食物蜡层,其中所述第一排气孔6设置在聚丙烯薄片层上。在聚丙烯薄片层的内表面涂覆淀粉膜,淀粉膜的温度要保持在45-50℃左右。淀粉膜的作用有两个:1)是封堵住薄片上的透气孔,以实现包装的密封;2)在微波加热时透气孔上的淀粉膜会自动融化,以达到透气出气的目的。
涂覆过淀粉膜浆的薄片放在真空干燥箱内,先以50℃干燥40分钟,再以65℃干燥20分钟,形成淀粉膜。
膜浆的制作方法如下:
1、将玉米淀粉和交联淀粉按照4:1的质量比例混合,溶解于水后调制成质量百分比浓度在25%的淀粉浆;
2、将此淀粉浆的pH值调到5.0-6.0;
3、在此淀粉浆中加入占淀粉浆重量的1.5%的食用氯化钙溶液,氯化钙溶液的质量百分比浓度为3.6%,搅拌并加热至70℃;
4、在70℃温度下完全糊化后要迅速冷却至45℃,按照每克淀粉加入50微克异淀粉酶的比例加入异淀粉酶,45℃恒温搅拌3小时后,再加入同样重量的异淀粉酶,再搅拌6小时;
5、加入异淀粉酶后,仍有大量的支链淀粉的存在,妨碍淀粉成膜,因此需加入少量的甘油作为增塑剂,加入量为1质量%。甘油既可为淀粉膜保湿,抗老化,又可增加淀粉膜的强度。这个过程结束后,用纱布过滤得到淀粉膜浆。
该淀粉膜的特点:
1、其组成对食品完全是安全的,即使它在加热时融化后沾染上食品,沾染的成分也只是可食用的淀粉;
2、此淀粉膜具有强度高,韧性大,不透气的特点,将它涂抹在封口膜上,可保证在干燥的环境中不会漏气。
3、淀粉膜在温度达到80℃,湿度达到55%时就会融化。这个特点就能够让盖上封口膜的食品包装,在经过微波加热达到80℃以上时,淀粉膜自动融化,使封口上的排气孔透气,不致让包装内的水蒸汽散不出去而发生***。
封口膜4的最外层和最内层均采用食物蜡。食物蜡是由蜜蜂巢制成的,对人体健康是安全的。食物蜡的作用是防潮。因为淀粉膜在湿度达到55%时就会融化。为了避免运输和储存过程中包装遇到各种自然环境中的湿度过高,以及内部食物本身的湿度过高,而造成淀粉膜失效并漏气,在封口膜的最外层和最内层,都要涂抹一层食物蜡。这层食物蜡在微波加热时会和淀粉膜一起融化,让排气孔排气。
上述特定结构和组成的封口膜,具有优异的力学性能和防潮性能,能够保证在自然环境中食品包装容器不易破损和受潮;同时所采用的淀粉膜层和食物蜡层均为食品级原料,且微波加热后能迅速融化,既具备食品安全性又保证了排气通畅。
所述容器主体1与所述保护盖体5螺纹连接,所述保护盖体5顶部为近似半球形,这样设计的目的在于保证包装容器在微波加热时无法倒立放置,避免造成食物堵住排气孔。
当该包装容器只用于储存食品而无需进行微波加热时(例如用于包装黑芝麻糊,豆沙馅,饺子馅等),该包装容器不需要设置第二排气孔7。当该包装容器还需要进行微波加热时(例如用于包装粥糊,方便餐,菜泥、肉泥等),则该包装容器应当在保护盖体5顶部的内凹处设置第二排气孔7,且第二排气孔7应当与第一排气孔6相对应,所述第二排气孔7上设置有石蜡封堵层,以便防尘防潮,内凹的目的是保护封堵材料石蜡。
如图4所示,稠糊状食品被密封在容器主体1内,主体出口处覆盖有封口膜4。为避免封口膜4破损,容器主体1上螺纹设置有保护盖体。该包装容器的特定结构决定了该包装容器无论以何种形式放置,始终会保持出口朝向斜上方,这样的设置使得容器内食品不会从容器中溢出或堵住出口。使用微波加热过程中,当温度到达80℃以上时,封口膜4上的食物蜡层、淀粉膜层以及保护盖体5上的石蜡层就会融化,实现了排气口顺畅地排气。
为了减少包装内剩余的空间多装食物,可以加大出口部分3的出口向上倾斜的角度。而增加包装的直径,就能有效提升出口向上的倾角,但直径太大使用者会不方便,而且也不美观。出口部分3的出口采用自下而上(接触本体为下,远离本体为上)由粗渐细的造型,这个造型有三个目的:1)让嘴和嘴唇舒适地接触出口,2)出口不会伸进嘴里太多,防止烫伤,3)在包装的内部层加了一个斜坡,让食物更不易流到出口处堵住出气孔。
利用上述包装容器对稠糊状食品进行包装时,依据以下步骤进行:
步骤(1)对食品进行物理灭菌处理,所述物理灭菌处理为超声波灭菌;通过超声波处理,可以消灭荧光细菌、大肠杆菌族细菌以及伤寒沙门氏菌等细菌。
步骤(2)、将灭菌之后的食物注入到所述包装容器内,食物的装入量,以平放所述包装容器时食物不会从包装容器出口流出来为准;
步骤(3)、进行抽真空处理,除去袋内的空气,并充入一个大气压的惰性气体混合气,所述混合气为氮气和二氧化碳;
步骤(4)、用所述封口膜4密封包装容器的出口,并旋拧上保护盖体5,得到产品。
食用上述产品时,在微波加热后,取出包装容器,去除保护盖体5和封口膜4,向容器主体1施加压力将包装内食品挤出,即加热的食品不用换包装,打开即食,非常方便。
该包装容器可以用于制备战时食品、野餐食品、方便餐、快餐粥、宇航食品等。
上述用于储存和微波加热食品的包装容器,结构简单,易于储存,其结构决定了在使用微波炉加热时无需考虑包装容器放置的形态,均能保证容器出口朝向斜上方,使得容器内的稠糊状食品不会从容器内流出或阻塞排气孔。封口膜为多层结构,在自然环境下具有优异的密封防潮性能,微波加热时能够顺畅排气,符合食品安全标准的要求。
Claims (10)
1.一种用于储存和微波加热食品的包装容器,其特征在于,所述包装容器包括容器主体(1)、封口膜(4)和保护盖体(5);所述容器主体(1)包括主体部分(2)和出口部分(3);所述主体部分(2)呈筒状,底部端口采用热熔密封,顶部端口呈圆形,并与所述出口部分(3)热熔密封;所述出口部分(3)的顶部采用所述封口膜(4)密封,封口膜(4)上设有多个第一排气孔(6);所述容器主体(1)与所述保护盖体(5)螺纹连接,所述保护盖体(5)顶部为近似半球形;所述保护盖体(5)顶部内凹处可选择地设有多个第二排气孔(7),即当所述包装容器不用于微波加热时,所述内凹处无第二排气孔(7),当所述包装容器用于微波加热时,所述内凹处设有第二排气孔(7)。
2.根据权利要求1所述的一种用于储存和微波加热食品的包装容器,其特征在于,所述主体部分(2)的顶部端口的直径为3-20cm,优选为5-6cm。
3.根据权利要求1所述的一种用于储存和微波加热食品的包装容器,其特征在于,所述出口部分(3)顶部端口的直径为0.7-10cm,优选为0.95cm;所述保护盖体(5)顶部第二排气孔(7)所在端口的直径为0.5-6cm,优选为0.8cm。
4.根据权利要求1所述的一种用于储存和微波加热食品的包装容器,其特征在于,所述第一排气孔(6)的直径为0.5-2mm,优选为0.8mm;所述第二排气孔(7)的直径为1.0-3mm,优选为1.2mm;所述第一排气孔(6)为3-5个,所述第二排气孔(7)为3个;所述第二排气孔(7)设置在距所述保护盖体(5)顶端内凹3-5mm处。
5.根据权利要求1所述的一种用于储存和微波加热食品的包装容器,其特征在于,所述封口膜(4)为四层结构,从内向外依次为食物蜡层、淀粉膜层、聚丙烯薄片层和食物蜡层,其中所述第一排气孔(6)设置在聚丙烯薄片层上。
6.根据权利要求5所述的用于储存和微波加热食品的包装容器,其特征在于,所述封口膜(4)的制备方法如下:
步骤(1)、在聚丙烯薄片层上均匀地打出3-5个圆孔;
步骤(2)、在聚丙烯薄片层的内表面上涂覆淀粉膜浆,所述淀粉膜浆的温度要保持在45-50℃;
步骤(3)、将涂覆有淀粉膜浆的薄片放在真空干燥箱内,先以50℃干燥40分钟,再以65℃干燥20分钟,形成淀粉膜层;
步骤(4)、分别在所述淀粉膜层内表面和聚丙烯薄片层的外表面上涂覆食物蜡层,食物蜡是由蜜蜂巢制成;
步骤(5)、干燥固化步骤(4)所得的薄片,得到封口膜成品。
7.根据权利要求6所述的用于储存和微波加热食品的包装容器,其特征在于,所述淀粉膜浆制备方法如下:
步骤(1)、将玉米淀粉和交联淀粉按照4:1的质量比例混合,溶解于水后调制成质量百分比浓度为25%的淀粉浆;
步骤(2)、将步骤(1)得到的淀粉浆的pH值调到5.0-6.0;
步骤(3)、加入占淀粉浆总重量为1.5%的食用氯化钙溶液,氯化钙溶液的质量百分比浓度为3.6%,搅拌并加热至70℃;
步骤(4)、淀粉浆完全糊化后要迅速冷却至45℃,按照每克淀粉浆加入50微克异淀粉酶的比例加入异淀粉酶,45℃恒温搅拌3小时后,再加入同样
重量的异淀粉酶,再搅拌6小时;
步骤(5)、向步骤(4)得到的淀粉浆中加入1重量%的甘油,搅拌均匀后用纱布过滤得到淀粉膜浆。
8.根据权利要求1-7任一项所述的包装容器进行食品包装的方法,其特征在于,该方法包括如下步骤:
步骤(1)、对稠糊状的颗粒小于8mm的食物进行物理灭菌处理,所述物理灭菌处理为超声波灭菌;
步骤(2)、将灭菌之后的食物注入到所述包装容器内,食物的装入量,以平放所述包装容器时食物不会从包装容器出口流出来为准;
步骤(3)、进行抽真空处理,除去袋内的空气,并充入一个大气压的惰性气体混合气,所述混合气包括氮气和二氧化碳;
步骤(4)、用所述封口膜(4)密封包装容器的出口,并旋拧上保护盖体(5),得到产品。
9.根据权利要求1至6中任一项所述的包装容器用于制备病号饭,方便餐,婴儿食品,宇航食品的用途。
10.根据权利要求9所述的用途,其特征在于,所述包装容器用于储存稠糊状颗粒食品。
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CN104709567B (zh) * | 2014-12-30 | 2017-05-17 | 宁波浩瑞印务有限公司 | 一种微波专用食品包装袋及其制作方法 |
CN105015943A (zh) * | 2015-07-27 | 2015-11-04 | 康葵 | 一种用于储存和微波加热食品的包装容器及其包装方法 |
CN204872145U (zh) * | 2015-07-27 | 2015-12-16 | 康葵 | 一种用于储存和微波加热食品的包装容器 |
CN205589774U (zh) * | 2016-03-04 | 2016-09-21 | 康葵 | 一种储存和微波加热食品的包装容器 |
-
2015
- 2015-07-27 CN CN201510446767.1A patent/CN105015943A/zh active Pending
-
2016
- 2016-07-25 CN CN201610591878.6A patent/CN106395157B/zh active Active
- 2016-07-25 WO PCT/CN2016/091530 patent/WO2017016457A1/zh active Application Filing
-
2018
- 2018-01-03 US US15/861,644 patent/US20180127190A1/en not_active Abandoned
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017016457A1 (zh) * | 2015-07-27 | 2017-02-02 | 康葵 | 一种食品包装容器、包装方法及其用途 |
CN112693735A (zh) * | 2016-06-20 | 2021-04-23 | 阿普塔尔拉多尔夫策尔有限责任公司 | 液体分配器 |
US11390435B2 (en) | 2016-06-20 | 2022-07-19 | Aptar Radolfzell Gmbh | Liquid dispenser |
Also Published As
Publication number | Publication date |
---|---|
CN106395157B (zh) | 2020-06-16 |
US20180127190A1 (en) | 2018-05-10 |
CN106395157A (zh) | 2017-02-15 |
WO2017016457A1 (zh) | 2017-02-02 |
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