Patent ID: 7306119
Filing Date: 2007-12-11
Classification: B01F,B29B,B29C

Abstract:
1. Apparatus for dispensing material produced by a chemical reaction between a first chemical reagent and a second chemical reagent, comprising: injection means configured to produce a jet of said first chemical reagent and a jet of said second chemical reagent such that said jets collide to produce said material; a storage chamber arranged to provide temporary storage space for the material, said storage chamber having an inlet for receiving said material, an outlet for dispensing the material and a dispensing piston configured to dispense said material from said storage chamber; position sensing means configured to provide a measure of the position of said dispensing piston along said storage chamber; and a closing device moveable between a first position in which the material is prevented from passing through said outlet while allowing material to be received into the storage chamber through the inlet and a second position in which the material is allowed to be dispensed through said outlet.