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:
Jun. 15, 1999
Filed:
Oct. 01, 1997
Robert Mack, Flemington, NJ (US);
Colgate-Palmolive Company, New York, NY (US);
Abstract
Any voids in the divider walls of multichamber packages, and in particular, multichamber tubes, can be detected by applying a potential difference across the divider walls of the package. If there is a void, there will be an arcing of current from one electrode to another with a measurable difference in the potential difference between the electrodes. There also may be a visual and/or audible indication. This change in potential difference can be used to determine the integrity of the divider walls of the package. In a preferred mode, the electrodes also are the mandrel mold sections that are used for the compression molding of the shoulder and nozzle onto the body of a tube package. In this embodiment the integrity of the divider walls can be determined prior to the forming of the shoulder and nozzle onto the tube body or after the shoulder and nozzle is formed onto the tube body.