David L Sweeney

US Patent:

58652264, Feb 2, 1999

Filed:

Aug 23, 1996

Appl. No.:

8/702323

Inventors:

David J. Sweeney - White Bear Lake MN

Assignee:

Tetra Laval Holdings & Finance, S.A. - Pully

International Classification:

B65B 104
B65B 304

US Classification:

141258

Abstract:

A fill system for filling a series of containers being processed on a packaging machine is set forth herein. The fill system includes a servomotor which may implement a number of stored fill profiles to provide precise filling of the containers. The servomotor is connected to one end of a cam shaft by a drive linkage. The drive linkage may be a toothed belt. The cam shaft is connected at its other end to a cam having a closed cam track. The cam directs a piston rod which controls a piston stroke in a piston chamber of the fill system. The piston chamber receives and holds of volume of product that is to be dispensed into each of the series of containers. The fill system may be integrated onto an existing packaging machine. The servomotor may be controlled by programmable logic controller.

US Patent:

61452750, Nov 14, 2000

Filed:

Jun 8, 1999

Appl. No.:

9/327821

Inventors:

David J. Sweeney - White Bear Lake MN

Assignee:

Tetra Laval Holdings & Finance, SA - Pully

International Classification:

B65B 6118

US Classification:

53412

Abstract:

An apparatus for attaching a fitment to an erected carton through ultrasonic welding at an infeed to a packaging machine is disclosed herein. The apparatus has two anvils that oscillate in a horizontal plane and oscillate along a vertical plane at a carton infeed to a packaging machine. As one anvil is attaching a fitment to a carton, the other anvil picks a fitment for attachment to the next carton.