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by Fifer82
3383 days ago
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I seen an article on the ring pulls on top of coke cans. They are hollow because it has a huge impact on raw materials usage (over the course of 10 million cans). I think every gram counts to the bottom line of the share holders no matter how mundane. Similar to the UK Construction Industry. Hit the minimum possible legal requirement and charge the maximum amount of money. |
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It's been a while, but I remember when the transition from pull tabs to "pop tabs" occurred; at first (IIRC), the "pop tabs" were solid, but it wasn't long until they became hollow as well.
Of course, that led to some problems which still exist today (though not nearly as often). The biggest one being the balance between the strength of the tab, vs the opening part (whatever it is called - closure?). In the past (and occasionally today for the odd soda), you could pull up on the tab - and it would bend or break off, without opening the soda! Simple enough to fix (do not press down on the opening with your thumb!) with a butter knife or some other similar tool, but annoying at the same time.