US 12,258,183 B2
Closure with bonded tamper evidence
Dennis Antonius Wilhelmus Maria van Meurs, 's-Hertogenbosch (NL); and Antonetta Johanna Maria Schoenmakers, Udenhout (NL)
Assigned to Weener Plastics Group B.V., Ede (NL)
Appl. No. 17/613,551
Filed by Weener Plastics Group B.V., Ede (NL)
PCT Filed May 29, 2020, PCT No. PCT/EP2020/065060
§ 371(c)(1), (2) Date Nov. 23, 2021,
PCT Pub. No. WO2020/245062, PCT Pub. Date Dec. 10, 2020.
Claims priority of application No. 2023251 (NL), filed on Jun. 3, 2019.
Prior Publication US 2022/0242623 A1, Aug. 4, 2022
Int. Cl. B65D 43/16 (2006.01); B65D 51/24 (2006.01); B65D 55/02 (2006.01)
CPC B65D 43/169 (2013.01) [B65D 51/246 (2013.01); B65D 55/024 (2013.01); B65D 2251/105 (2013.01); B65D 2251/1058 (2013.01); B65D 2401/15 (2020.05)] 25 Claims
OG exemplary drawing
 
1. A closure for a container, wherein said container has an open top side defined by an upper rim surrounding said open top side,
the closure comprising:
an annular base to be fixed to the upper rim of the container and defining an access opening to the container,
a lid adapted to cover the access opening in a closed position, the lid adapted to be moved to an open position, in which the access opening is unblocked by the lid, and the lid having an attachment surface,
a locking member attached to the base and to the lid so as to lock the lid relative to the base such that movement of the lid relative to the annular base is prevented,
wherein the locking member comprises a locking tab and at least one tamper-evident lug,
the locking tab being connected to the annular base and being adapted to form a releasable snap connection with the lid so as to lock the lid relative to the annular base in a locked state, and
the tamper-evident lug being integrally formed with the locking tab, wherein said frangible connection is formed between the locking tab and the tamper-evident lug, and wherein the tamper-evident lug is welded to the attachment surface of the lid.