US2005102791A1PendingUtilityA1

Portable, fully contained and disposable suction device

Priority: Aug 27, 2002Filed: Dec 17, 2004Published: May 19, 2005
Est. expiryAug 27, 2022(expired)· nominal 20-yr term from priority
A47L 5/16
46
PatentIndex Score
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Claims

Abstract

A container including: at least one wall defining an interior cavity; a propellant disposed in the interior cavity; a release valve disposed in the at least one wall for selectively releasing the propellant from the interior cavity; and a heater for heating the propellant in the interior cavity. Preferably, the container is provided with a venturi device and operates as a suction device upon release of the propellant from the interior cavity into the venturi device.

Claims

exact text as granted — not AI-modified
1 - 15 . (canceled)  
   
   
       16 . A container comprising: 
 at least one wall defining an interior cavity;    a propellant disposed in the interior cavity;    a release valve disposed in the at least one wall for selectively releasing the propellant from the interior cavity; and    a heater for heating the propellant in the interior cavity.    
   
   
       17 . The container of  claim 16 , wherein the heater generates heat by a chemical reaction.  
   
   
       18 . The container of  claim 17 , wherein the chemical reaction produces an exothermic reaction between at least a first and second component.  
   
   
       19 . The container of  claim 18 , wherein the heater further comprises an inert material that does not react with the first and second components for controlling the exothermic reaction.  
   
   
       20 . The container of  claim 16 , further comprising a pressure relief valve disposed on the at least one wall for automatically releasing pressure from the interior cavity when a pressure in the interior cavity is greater than a predetermined threshold pressure.

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