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Patent No. 948463A: Filling-Machine


Today in 1910, US Patent 948463 A was issued, an invention of Frank C.H. Strasburger, for his “Filling-Machine.” There’s no Abstract, but according to the description, the “invention relates to’ machines for filling bottles with beer or other charged liquids and its object is to accomplish the filling operation without the loss of gas in suspension in the liquid and without the production of foam in the bottles. Attainment of this primary object of the invention also has for its object to utilize the pressure in the liquid tank for closing the liquid valve; to establish a counter-pressure in the bottle before the liquid valve is opened; to operate the liquid valve by a diaphragm and cause the valve to open by equalizing the pressure on both sides of the diaphragm; and to close the liquid valve by exhausting the pressure on one side of the diaphragm.”

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