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:
Mar. 29, 1994
Filed:
Jul. 23, 1993
Applicant:
Inventor:
David E Boring, East Berlin, PA (US);
Assignee:
Sonoco Products Company, Hartsville, SC (US);
Primary Examiner:
Int. Cl.
CPC ...
B67D / ;
U.S. Cl.
CPC ...
222 83 ; 222 82 ; 222541 ; 222543 ; 222568 ; 137 681 ; 239541 ; 2511494 ;
Abstract
A caulk cartridge including an end closure having a centrally extending mounting stub with a reciprocating valve positioned therein. A nozzle is thread mounted to the stub with inward threading of the nozzle engaging and inwardly shifting the valve to an open position for discharge therethrough. Outward retraction of the nozzle releases the valve for a reseating of the valve.