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.

Date of Patent:
Dec. 27, 1994

Filed:

May. 10, 1993
Applicant:
Inventors:

Robert E Schaefer, Brookfield, WI (US);

Paul L Rupar, Sussex, WI (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B67D / ; B67D / ;
U.S. Cl.
CPC ...
222385 ; 222383 ; 285361 ; 285396 ; 285402 ;
Abstract

A hand operated piston displacement-type pump having a one-piece valve body retaining a removable cylinder and discharge tube, for dispensing prescribed portions of complex fluids, such as food products or liquids with suspended solids, at a desired point outside of a storage container. Valve ball control of the flow of the product is obtained with the combination of the precision channels in the valve body and in the bottom of the cylinder and discharge tube. The valve body includes structure necessary for seal and connection to allow the cylinder and discharge tube to be removed, without tools, for cleaning.


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