Today in 1937, US Patent 2085879 A was issued, an invention of Edward N. Trump, for his “Bottle Capping Machine.” There’s no Abstract, although in the description it includes this summary:

This invention relates to new and useful improvements in a bottle capping machine and pertains more particularly to an apparatus for applying hooded or over-all caps to the head of milk bottles or the like. The caps are pre-formed in one piece, preferably from a sheet of light, strong and non-corrosive metal having a high degree of ductility, malleability and tenacity, such for example, as tissue aluminum of about the thickness of the cellulose product commonly known as Cellophane or of thin tinfoil, and which is capable of. being easily molded by pressure under atmospheric temperature to conform to the its form under ordinary usage.