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:
Nov. 05, 1985
Filed:
May. 16, 1983
Applicant:
Inventor:
Gunther Schmitz, Moers, DE;
Assignee:
Taprogge Gesellschaft mbH, Dusseldorf, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B08B / ;
U.S. Cl.
CPC ...
1510 / ; 15-351 ;
Abstract
A cleaning element for cleaning the interior of heat exchanger tubes by being carried along by a cooling water stream and automatically squeezed through the tubes by the cooling water stream, includes a sphere foamed in a closed mold, the sphere being formed of an open-cell sponge rubber core and an open-pore water-permeable skin integral with the core.