|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||053/403; 053/431; 053/470; 053/510|
|발명자 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 4 인용 특허 : 21|
According to a first aspect of the invention a can manufacturer completes manufacture of a can and then ships it to a filler, who needs only to fill the can with product. In a preferred embodiment the manufacturer pre-charges the container with a propellant. In accordance with a second aspect of the invention a desired quantity of gaseous propellant is first charged into a container, and a desired quantity of product is then injected into the container. A container filled in accordance with the invention maintains a predetermined pressure in the containe...
What is claimed is: 1. A method of manufacturing and filling pressurized aerosol cans, comprising the steps of: at the can manufacturer applying a discharge valve to a container, closing and sealing the container, and charging a desired quantity of gaseous propellant into the closed and sealed container from a source outside the container to pressurize it; shipping the closed and sealed container pre-charged with pressurized gaseous propellant to a filler to be filled with product; at the filler injecting a desired quantity of product into the container...