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:
Mar. 31, 2020
Filed:
Jul. 07, 2017
Fabrik Chemischer Präparate Von Dr. Richard Sthamer Gmbh & Co. KG, Hamburg, DE;
Jens Stubenrauch, Jena, DE;
Abstract
A cage for generating fire-fighting foam from fluid containing foaming agent released from a sprinkler may be constructed from woven screen or expanded lattice having screen openings having a diameter between 1 mm and 7 mm and/or lattice openings having a width between 1 and 7 mm and a length between 2 mm and 9 mm. The cage has dimensions which permit an intermediate space between a fluid exit opening and spray plate of the sprinkler to be surrounded radially with a height and a width: the height corresponds to at least 0.20 times the external diameter of the spray plate; the internal diameter of the cage, alternatively the non-circular minimum spacing between the opposite internal sides of the cage, at the level of the spray plate, corresponds to at least the external diameter of the spray plate.