Dating hole in cap cans

Another solution was to deposit the pulled tab in the can.

While this may have been less environmentally injurious, it was not without its dangers.

: In the 16 years after Cudzik’s patent, “the stay-on-tabs alone amounted to over 4 million tons of aluminum that was recovered and recycled rather than discarded.” Curiously, the problem of ingested tabs has not gone away: In 2010, an article in that he thought can tab design had reached a point “where I don’t believe there’ll be too many changes anymore.” But is design ever done?

A 2007 study that looked at the ergonomics of can-tab pulling (using finite-element analysis to analyze the “deformation of the fingertip pulp”), for example, suggested that a larger tab would reduce discomfort.

1820-1925: Tooled finish (Jones and Sullivan 1985: 165).

1877 – 1920: Vent marks (Jones and Sullivan 1985: 165).

1886: The first machine to make narrow-mouthed bottles was developed. It involved the hand-gathering of glass (Douglas and Frank 1972: 178).

1889-present: Machine-made bottles (Jones and Sullivan 1985: 165). Originally made with a finishing tool (Jones and Sullivan 1985).

Cathy Spude compiled the following dating information for use by the public and professionals.

Like Coors itself, which for a Midwesterner had a certain exotic appeal, there was an intriguing novelty to the design of the “press tab,” as the company called it; one that quickly lost appeal for drinkers (particularly those on the downward slope of a six-pack) trying to puncture through, and then retract their fingers from, the smaller, sharp-edged opening.

But Coors wasn’t the only experimenter; as the website notes: “Crown, Cork, and Seal tried a top that you pressed down then slid a tab to one side, pushing a hole into the can top.

1905-1982: “Owen’s” mark on bottle base (Miller and Mc Nichol 2002).

1905-1920: 6 oz, 7 oz, and quart soda pop bottles standardized (Kaplan 1982).

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1825: Aluminum first isolated (Encyclopedia Britannica 1973 (1): 693).

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  1. We used to give the cheap paper ones, now theres all sorts of ones you can send with candy or toys or games. We chose 2 dollar Hello Kitty plain old paper ones (She is in a "kitty" phase and at 16mo Im not sending 20 dollar Valentines to other toddlers). Sooner or later the younger kids will like whatever I have in stock, lol But for now, you can buy a box of 24 to 30 V-day cards for around 2.00 or 3.00 dollars and buy a bag of lollipops for about 2.00 . that a lot of A.what's the big deal about a big expensive valentines?