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:
Feb. 02, 1999
Filed:
May. 13, 1997
Applicant:
Inventors:
Bruce D Busch, Shakopee, MN (US);
Michael T Oldsberg, Chaska, MN (US);
Assignee:
Fremont Industries, Inc., Shakopee, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B67B / ;
U.S. Cl.
CPC ...
222-1 ; 222148 ; 141 91 ; 141330 ;
Abstract
A dispensing system for particulate solid chemical materials is disclosed that includes a charging hopper for receiving a sealed chemical container of solid particulate material to be dispersed, a delivery pipe attached to the charging hopper for conducting materials from the hopper by gravity, a seal piercing means disposed in the charging hopper for opening the sealed container and allowing the solid particulate material to flow from the chemical container into the delivery pipe and a liquid rinsing device including a discharge pipe member for delivering rinse liquid to rinse the hopper and chemical container.