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:
Sep. 06, 1988
Filed:
May. 14, 1987
Applicant:
Inventors:
Bodo Marx, Willich, DE;
Jurgen Busse, Monchengladbach, DE;
Assignee:
Messer Griesheim GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B / ;
U.S. Cl.
CPC ...
1341 / ; 62155 ; 62303 ; 6251 / ; 134171 ; 134188 ; 134192 ;
Abstract
A device for cooling rubber-coated large containers with liquid nitrogen to crack and remove the rubber coating includes at least one annular duct with sprayers for directing the liquid nitrogen against the inside of the container. At least one axially disposed duct is in the container extending from the bottom to the top with a ventilator causing rotation of the evaporated nitrogen from the bottom through the axial duct and to the upper part of the container.