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:
Aug. 04, 1998
Filed:
Mar. 04, 1993
Applicant:
Inventors:
Ferdinand Proksa, Leverkusen, DE;
Hans-Michael Sulzbach, Koenigswinter, DE;
Ferdinand Althausen, Neunkirchen, DE;
Reiner Raffel, Siegburg, DE;
Assignee:
Maschinenfabrik Hennecke GmbH, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B67D / ;
U.S. Cl.
CPC ...
422133 ; 239583 ; 251282 ; 422135 ; 422224 ; 422226 ; 425562 ; 425564 ;
Abstract
An apparatus for preparing flowable reaction mixtures from at least two flowable reactants in which the components are injected into a mixing chamber by means of injection nozzles, the force of the reactant acting upon the nozzle needle is at least substantially compensated to avoid impairing the mixing ratio during a change-over of the nozzle needle. The rear end of the nozzle needle is provided with a chamber communicating with the component supply line.