B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
206/31, 210/45
B65D 41/38 (2006.01) B65D 41/34 (2006.01) B65D 47/24 (2006.01) B65D 55/02 (2006.01) B65D 55/06 (2006.01)
Patent
CA 1309379
TAMPER-EVIDENT CAP CONSTRUCTION Abstract A tamper-evident cap construction for a dispenser, comprising a cap body having a discharge opening, a screw cap carried thereon and adapted to close off the discharge opening, and a frangible tab that is integral with the screw cap and which extends outwardly over an exposed exterior surface of the body and is integral therewith by virtue of a common fused juncture area at the surface. Preferably the fusing takes the form of a sonic weld. The tab has a transverse line of weakness which can be adjacent to either the point of attachment of the tab to the screw cap, or else to the fused area. The tab normally prevents relative turning between the screw cap and cap body, but can rupture when a turning force is applied therebetween, having a magnitude which is less than that required to separate the tab from the body at the location of the fused juncture. Rupturing of the tab thus provides an indication to the consumer that possible tampering with the container has occurred, since the remaining broken ends of the tab are then readily visible. The advantage of the present construc- tion over the devices of the prior art is that a more pronounced indication of possible tampering is provided, without adding materially to the overall manufacturing cost of the device.
486209
Smart & Biggar
Stull Gene
LandOfFree
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