CN2408060Y - 双封口式包装袋 - Google Patents

双封口式包装袋 Download PDF

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Publication number
CN2408060Y
CN2408060Y CN 98249534 CN98249534U CN2408060Y CN 2408060 Y CN2408060 Y CN 2408060Y CN 98249534 CN98249534 CN 98249534 CN 98249534 U CN98249534 U CN 98249534U CN 2408060 Y CN2408060 Y CN 2408060Y
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articles
seals
bag
time
closure
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CN 98249534
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涂琼珺
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Individual
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Abstract

一种能够长期保存物品而又可多次开闭的双封口式包装袋,它是在每个包装袋的一端设有两道封口,第一道在上,为一次式封口;第二道封口在下,为多次式封口,两道封口之间留有剪线。第一次取物时,用剪刀沿剪线剪开,除去全部或部分一次式封口,再撕开第二道封口,按需量取出袋中物品,未取完的物品,可重新用多次式封口封住,下次再取时,只需将多次式封口撕开即可,如此循环往复,直到袋中物品取完。

Description

双封口式包装袋
该实用新型涉及一种适合较长时间保存物品,又能多次开闭的袋式包装。
目前市场上使用的两种包装袋均为单封口式包装袋。一种是一次式封口包装袋,这种包装袋封口牢固,不透气,不透水,适合长时间保存物品,缺点是开封后不能再次封口;另一种是多次式封口包装袋,这种包装袋开闭方便,能多次开闭,缺点是密封性不够强,不宜长时间保存物品。
本实用新型的目的在于提供一种包装袋,它既能长时间保存物品,又能多次开闭取物。
本实用新型的目的是这样实现的:每个包装袋的一端设有两道封口,第一道在上,为一次式封口;第二道在下,为多次式封口。两道封口之间留有剪线,制作时先制第二道封口,后制第一道封口,即先在包装袋一端预留制作第一道封口、剪线的位置后,用热粘或胶粘法,将筋槽或刺挂等多次式封口物固定在包装袋的两内侧,并能离合自如,然后装入需袋装物品,再压牢此封口——多次式封口,最后用热、压、胶等一次式封口方法将第一道封口完全封闭。第一次取物时全部或部分除去一次式封口,再撕开第二道封口,按需量取出袋中物品,再用多次式封口封好袋内所剩物品。下次再取时,只需将多次式封口撕开即可,如此循环往复,直至袋中物品取完。
上述技术方案,既具有一次式封口的优点,即密封性能好,不透气,不透水,便于长期保存物品;又具有多次式封口的优点,即全部或部分去掉第一道封口后,第二道封口开闭自如,取物方便,且有一定的密封性,有利于短期保存物品。比如:食品行业中的袋装奶粉和化工行业中的袋装洗衣粉的老式包装袋,只有一道一次式封口,打开后就不能再次封口,袋中未取完的粉物容易散落或吸潮变质,不便携带,且难于保持袋中粉物的纯净卫生。而采用双封口式包装袋就能较好地解决以上问题。
下面结合附图和实施例对本实用新型进一步说明。
图1是剪角双封式包装袋示意图
图2是全剪双封式包装袋示意图
图中1、一次式封口    2、剪线    3、多次式封口
在图1所示实施例中,一次式封口(1)下角一斜线为剪线(2),与剪线(2)平行的阴影为多次式封口(3)。
在图2所示实施例中,一次式封口(1)下面一平行线为剪线(2),再下面一平行阴影为多次式封口(3)。

Claims (1)

  1. 一种双封口式包装袋,在袋的一端设有两道封口,其特征是:第一道封口在上,为一次式封口;第二道封口在下,为多次式封口,两道封口之间留有剪线。
CN 98249534 1998-12-06 1998-12-06 双封口式包装袋 Expired - Fee Related CN2408060Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 98249534 CN2408060Y (zh) 1998-12-06 1998-12-06 双封口式包装袋

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 98249534 CN2408060Y (zh) 1998-12-06 1998-12-06 双封口式包装袋

Publications (1)

Publication Number Publication Date
CN2408060Y true CN2408060Y (zh) 2000-11-29

Family

ID=33994260

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 98249534 Expired - Fee Related CN2408060Y (zh) 1998-12-06 1998-12-06 双封口式包装袋

Country Status (1)

Country Link
CN (1) CN2408060Y (zh)

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