发明授权
US07194847B2 Method of filling dispensing cartridges having collapsible packages 有权
填充具有可折叠包装的分配盒的方法

Method of filling dispensing cartridges having collapsible packages
摘要:
A method of filling a collapsible package in a cartridge for use with a caulking gun is provided. The method comprises pressurizing an internal space of a collapsible package to expand the package. Drawing a vacuum external to the collapsible package and removing the positive internal pressure. The vacuum maintains the package in an expanded state. A nozzle is then inserted into the collapsible package to reverse fill the package with a vicious material.
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