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:
Aug. 06, 2013
Filed:
Oct. 22, 2010
Graham Hughes, Berkshire, GB;
Graham Hughes, Berkshire, GB;
P. C. Cox Limited, Berkshire, GB;
Abstract
A plunger for a dispenser for cartridges containing materials to be dispensed, for example viscous materials, is disclosed, the plunger having three plunger portions which define empty spaces therebetween so that cartridges, for example two-component concentric cartridges, of a plurality of dimensions and configurations can operatively mate with the plunger. A dispenser having a plunger as described can be used with a multitude of different cartridge types, including concentric two component cartridges or cylindrical single component cartridges, of varying overall dimensions and configurations. Also disclosed is a plunger for assisting the alignment of a cartridge in the dispenser. Corresponding dispensers and methods of loading cartridges are further disclosed.