Title:
ZIPPER ASSEMBLY AND SEALING BAG
Document Type and Number:
WIPO Patent Application WO/2021/142949
Kind Code:
A1
Abstract:
Disclosed are a zipper assembly and a sealing bag. The zipper assembly comprises a zipper (20) and a slider (10), wherein the slider (10) comprises an opening tongue (11), and the zipper (20) comprises two single chains (21); the inner side of each of the single chains (21) is at least provided with an upper complementary sealing part (24) and a lower complementary sealing part (25) which are arranged side by side; each upper complementary sealing part (24) comprises a first secondary hook (241) and a first primary hook (242), with the inner side of the first secondary hook (241) being provided with a first bump (243), and a first groove (244) being provided between two adjacent first bumps (243); the head (111) of the opening tongue (11) is inserted between the first secondary hook (241) and the first primary hook (242), and the left and right sides of the head (111) of the opening tongue (11) respectively abut against the first bumps (243) which are arranged opposite each other; and the slider (10) is pulled to move forwards and backwards, and the left and right sides of the head (111) of the opening tongue (11) respectively collide with the first bumps (243), such that the slider (10) makes a sound during movement thereof. The sealing bag comprises a bag body (30), the zipper assembly and a sealing rib (40). When the sealing bag is opened and closed, a special sound is made so as to achieve a prompting function, and when the sound stops, sealing is complete. The sealing effect is good, and the zipper is convenient to open and close.
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| WO/2017/080910 | PAPER FOR VERTICAL FORM FILL SEAL MACHINE |
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Inventors:
WANG GUORUI (CN)
LIU FENGLING (CN)
LIU FENGLING (CN)
Application Number:
PCT/CN2020/083026
Publication Date:
July 22, 2021
Filing Date:
April 02, 2020
Export Citation:
Assignee:
SHENZHEN JUYI FII CO LTD (CN)
International Classes:
B65D30/00; B65D33/25
Domestic Patent References:
| WO2000076340A1 | 2000-12-21 |
Foreign References:
| CN205837501U | 2016-12-28 | |||
| CN204489517U | 2015-07-22 | |||
| US20040045134A1 | 2004-03-11 | |||
| US20160059997A1 | 2016-03-03 | |||
| CN1378512A | 2002-11-06 | |||
| CN103373523A | 2013-10-30 |
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