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:
Jul. 06, 2010
Filed:
Dec. 19, 2006
Device for generating a negative pressure in the sealed room of a tablet press and/or of an isolator
Holger Behns, Barsbuttel, DE;
Enrico Gand, Buchen, DE;
Linda Heck, Hamburg, DE;
Ralf Zingler, Molln, DE;
Holger Behns, Barsbuttel, DE;
Enrico Gand, Buchen, DE;
Linda Heck, Hamburg, DE;
Ralf Zingler, Molln, DE;
Fette GmbH, Schwarzenbek, DE;
Abstract
A device for generating a negative pressure in the sealed room of a tablet press and/or of an isolator, with a fan connected to the sealed room and an air opening towards the sealed room, wherein the intake side of an ejector is connected with the sealed room, the working fluid connection of which is connectable with a compressed air source via a valve, with a sensor which is connected to a negative pressure control unit which opens the valve when the sensor measures a pressure in the sealed room which is above a predetermined negative pressure value, a second valve being assigned to the fresh air inlet opening, which depending on the embodiment remains opened or is triggered and closed by the negative pressure control unit.