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You are here: Home / Beers / Patent No. 2451273A: Method Of Applying Bottle Caps

Patent No. 2451273A: Method Of Applying Bottle Caps

October 12, 2015 By Jay Brooks

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Today in 1948, US Patent 2451273 A was issued, an invention of Elvin M. Bright, for his “Method of Applying Bottle Caps.” There’s no Abstract, although in the description it includes this summary:

This invention relates to improvements in a method for thermoplastically capping bottles.

It is an important object of the invention to provide a method and means of capping a bottle which, to a large extent, will make use of standard existing bottle capping equipment and will provide a cap which will not interfere with the handling, processing, merchandising, and use of the bottle and its contents in accordance with conventional procedure.

From the standpoint of the process involved, a very important objective is to soften a thickened margin of the bottle cap blank without softening the remainder thereof, and to mold such thickened margin around the cap-receiving bead of the bottle and immediately to harden it thereon. In this connection I propose to utilize infra-red rays or other radiant heat for softening the flange of the bottle cap blank while shielding and thermally insulating the top of the blank from such rays. Infra-red rays are preferred because of the ease with which they may be directed and controlled.

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Filed Under: Beers, Just For Fun, Politics & Law, Related Pleasures Tagged With: Brewing Equipment, Crowns, History, Law, Patent



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