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. 25, 1988
Filed:
Oct. 02, 1987
Applicant:
Inventor:
Robert K Brooke, Snellville, GA (US);
Assignee:
TOMCO2 Equipment Company, Loganville, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25J / ;
U.S. Cl.
CPC ...
62 12 ; 62 35 ; 62341 ;
Abstract
Carbon dioxide (CO.sub.2) solid discs (dry ice) are produced from liquid carbon dioxide injected into an extrusion cylinder in which the extrusion piston compresses dry snow and extrudes it through a fixed die, thereby producing pellets of dry ice which are fed by gravity into a forming cylinder chamber in which is operated a hydraulic cylinder compresses the pellets into discs. The operation is controlled by switches and hydraulic system.