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. 10, 1995
Filed:
Mar. 07, 1994
James L Popp, Aurora, IL (US);
Carolyn Popp, Aurora, IL (US);
Other;
Abstract
A method and apparatus for the cleaning of residue from the surface of a container where the method comprises cooling a container and residue adhered to the container surface to a low temperature, substantially embrittling the residue and then impacting the container to fragment and separate the residue from the surface of the container. The cooling may be effected by contacting cold vaporized cryogen to the residue and container in an insulated box having a cryogen sprayer, an opening, and a door. A method for reducing the bulk volumes of containers comprising cooling the container to a low temperature to substantially embrittle the container and then stressing the container to fracture and break apart the embrittled portions and thereby reduce the bulk volume of the container.