| 摘要 |
<p>APPLICATION FOR LETTERS PATENT FOR DETECTING AND SORTING ABNORMAL ARTICLES DURING BLOW MOLDING In blow molding hollow articles from precursors at molding temperature by distention with fluid under pressure within the cavity of a blow mold, the pressure variation of such fluid beyond preselected limits as measured upstream of the cavity is used to create a signal to reject articles of abnormal quality from the acceptable article flow. Inventor: Harry C. Cornelius</p> |
