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:
Oct. 19, 1982
Filed:
Aug. 13, 1981
Applicant:
Inventors:
John R McMillin, Maplewood, MN (US);
Gene A Tracy, Amery, WI (US);
William A Harvill, Stone Mountain, GA (US);
William S Credle, Jr, Stone Mountain, GA (US);
Assignees:
The Coca-Cola Company, Atlanta, GA (US);
The Cornelius Company, Anoka, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417393 ; 417454 ;
Abstract
A double acting positive displacement pump has first and second opposed cylinders, an elongate piston rod connected to cylinder pistons, a plurality of tie rods fastening the cylinders together, spacers on the tie rods and between the cylinders, a control cradle mounted on the tie rods and fixed in position by slots in the spacers, a propellant gas control valve on the cradle, and a valve actuator on the cradle and operatively connected to the piston rod.