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:
Jun. 30, 1998
Filed:
Jun. 06, 1996
Hartwig Basse, Nordenham, DE;
Abstract
Tower packing blocks (10) for biological treatment particularly of waste water, comprising a bundle of tube sections (11) with net-like structured peripheral surfaces. The tube sections (11) are connected together at their end sides (20) by reflector welding. Thus there are formed at the end sides (20) of the tube sections (11) accumulations of material (21) which constrict the free internal cross-section of the tube sections (11). These constrictions render difficult the passage of water to be treated through the tower packing block (10). Thus the effectiveness of such known tower packing blocks (10) is reduced. According to the invention, the accumulations of material (21) at the end sides (20) of the tube sections (11) are of such dimensions, i.e. reduced in width, that they correspond to the cross-sections of the tube sections (11) outwith the accumulations of material (21), and thus the cross-sectional constrictions present in known tower packing blocks (10) are eliminated. Such a tower packing block (10) is produced in that, after reflector welding, the width of the accumulations of material (21) is reduced to such an extent that they are approximately flush with the internal and external walls of the tube sections (11).