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:
Nov. 14, 2000
Filed:
Sep. 28, 1998
Applicant:
Inventor:
Paul A Anderson, Arlington Heights, IL (US);
Assignee:
Weiler Engineering, Inc., Arlington Heights, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65B / ;
U.S. Cl.
CPC ...
53561 ; 53DI / ; 156 731 ; 1565801 ;
Abstract
An apparatus and method for molding and optionally filling a container including an extruder head for extruding a length of parison and a vibrating knife operatively associated with the apparatus for reciprocating movement and having a blade positioned below the extruder head which traverses the path of the extruded parison to sever the parison. Preferably, the vibrating knife vibrates the blade at ultrasonic frequencies.