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Patent No. 5458253A: Bottle Cap

Today in 1995, US Patent 5458253 A was issued, an invention of Michael Shapcott, for his “Bottle Cap.” Here’s the Abstract:

A crown seal for sealing an opening of a bottle including a flange having between twenty-eight and thirty-two flutes around the circumference thereof. Each flute comprises depression having a generally triangular surface area between a pair of ridges. The additional flutes provide more points of contact with the bead are provided, ensuring a securement of increased strength between the crown and bottle.

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