The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 08, 1997
Filed:
Oct. 05, 1995
Dan Weissmann, Ann Arbor, MI (US);
Hoover Universal, Inc., Plymouth, MI (US);
Abstract
An apparatus and method for blow molding hot-fill containers by a double blow process while utilizing a single blow molding wheel. The apparatus has multiple stations including preheat station for conditioning the preforms, a blow molding station having a single blow molding wheel, a heat treating station where intermediate containers are heat treated. The blow molding wheel is provided with two sets of molds, one set for forming the intermediate containers and another set for forming the final containers. Two transfer mechanism are used to achieve four different transfers of the various stages of the final container. Preforms and heat treated intermediate containers are being respectively transferred into the first and second molds by one transfer mechanism while untreated intermediate containers and final containers are respectively removed form the first and second molds by the second transfer station.