发明授权
US07914432B2 Method for making a pressed paperboard container 有权
压制纸板容器的制造方法

Method for making a pressed paperboard container
摘要:
An improved apparatus for making disposable pressware features a pneumatic feeding system which accelerates a paperboard blank into a forming die. In a typical embodiment, a pair of adjustable air knives propel a paperboard blank into the forming cavity.
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