US 11,718,456 B2
Child-resistant closure system
Haowei Shen, Shanghai (CN); and Zhengqiang Xie, Shanghai (CN)
Assigned to YUAN DING INTERNATIONAL (SHANGHAI), CO., LTD, Shanghai (CN)
Filed by Yuan Ding International (Shanghai) Co., Ltd., Shanghai (CN)
Filed on Oct. 19, 2020, as Appl. No. 17/74,402.
Claims priority of provisional application 62/923,153, filed on Oct. 18, 2019.
Prior Publication US 2021/0114782 A1, Apr. 22, 2021
Int. Cl. B65D 50/04 (2006.01); B65D 33/16 (2006.01); B65D 33/00 (2006.01)
CPC B65D 50/046 (2013.01) [B65D 33/007 (2013.01); B65D 33/1683 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A resealable container comprising:
a first wall and a second wall, the first and second walls sealed together along respective side edges and bottom edges of the first and second walls such that interior surfaces of the first and second walls form a storage space therebetween, wherein a top edge of the first wall and a top edge of the second wall define an opening for the storage space;
a first extension strip having a first edge and a second edge, wherein the first edge of the first extension strip is attached to the interior surface of the first wall below the top edge of the first wall such that a portion of the first wall extends from the first edge of the first extension strip to the top edge of the first wall to define a first flap, and wherein the second edge of the first extension strip is positioned between the first edge of the first extension strip and the top edge of the first wall;
a second extension strip having a first edge and a second edge, wherein the first edge of the second extension strip is attached to the interior surface of the second wall below the top edge of the second wall such that a portion of the second wall extends from the first edge of the second extension strip to the top edge of the second wall to define a second flap, and wherein the second edge of the second extension strip is positioned between the first edge of the second extension strip and the top edge of the second wall; and
a closure strip assembly comprising a first lateral interlocking member and a second lateral interlocking member, wherein:
the first lateral interlocking member is operatively connectable to the second lateral interlocking member,
the first lateral interlocking member comprises at least three female interlocking channels, and
the second lateral interlocking member comprises
a top male interlocking bead at a top portion of the second lateral interlocking member,
a bottom male interlocking bead at a bottom portion of the second lateral interlocking member, and
a middle male interlocking bead located between the top male interlocking bead and the bottom interlocking bead;
wherein the second lateral interlocking member is attached to the second extension strip at the bottom portion of the second lateral interlocking member;
wherein the top portion of the second lateral interlocking member is unattached to the second extension strip; and
wherein the first and second lateral interlocking members are configured to remain operatively connected when the first flap and the second flap are pulled apart while gripping the first flap together with the first extension strip and while gripping the second flap together with the second extension strip so as to cause the second edges of the first and second extension strips to be pulled apart from each other.