B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 55/08 (2006.01) B29D 1/00 (2006.01) B65D 41/34 (2006.01) B67B 3/02 (2006.01)
Patent
CA 2170881
The invention relates to a screw cap made of a plastics material, the cap comprising a closing portion (3); optional sealing means (7) mounted in or integral with the closing portion (3); and a tamper-proofing ring (8) made in one piece with the closing portion (3). According to the invention, the cap comprises a breakable zone (17) of the outer portion (9) enabling it to be opened on unscrewing the cap (1) leads firstly to an empty space (18) between the outer portion (9) and the skirt (5), which empty space (18) is delimited downstream, which respect to the unscrewing direction of the cap (1), by at least one non-breakable fastening (19) which does not break on unscrewing the cap (1), and which is part of said link means (11), and secondly to a breakable zone (20a), to a cut (20b), or to a gap (20c) in the inner portion (10) so that, on unscrewing the cap (1), the tamper-proofing ring (8) remains associated with the closing portion (3).
The invention relates to a screw cap made of a plastics material, the cap comprising a closing portion (3); optional sealing means (7) mounted in or integral with the closing portion (3); and a tamper-proofing ring (8) made in one piece with the closing portion (3). According to the invention, the cap comprises a breakable zone (17) of the outer portion (9) enabling it to be opened on unscrewing the cap (1) leads firstly to an empty space (18) between the outer portion (9) and the skirt (5), which empty space (18) is delimited downstream, which respect to the unscrewing direction of the cap (1), by at least one non-breakable fastening (19) which does not break on unscrewing the cap (1), and which is part of said link means (11), and secondly to a breakable zone (20a), to a cut (20b), or to a gap (20c) in the inner portion (10) so that, on unscrewing the cap (1), the tamper-proofing ring (8) remains associated with the closing portion (3).
Racine Jean-Patrice
Salmon Pierre
Novembal
Smart & Biggar
LandOfFree
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