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.

Date of Patent:
Feb. 02, 1982

Filed:

Mar. 14, 1980
Applicant:
Inventors:

Heinrich Boden, Leverkusen, DE;

Heinz Muller, Leverkusen, DE;

Bernd Sowade, Berg.-Gladbach, DE;

Assignee:

Bayer Aktiengesellschaft, Leverkusen, DE;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B28B / ; B29F / ; B29H / ;
U.S. Cl.
CPC ...
422133 ; 2643282 ; 366175 ; 366302 ; 366305 ; 422135 ; 425543 ; 4258 / ; 156125 ;
Abstract

The instant invention is directed to a method of producing a reaction mixture for forming solid or cellular materials from flowable reactants and, optionally, fillers, comprising premixing the components and, optionally, fillers in a first mixing zone and after-mixing in a second mixing zone, the improvement wherein said after-mixing is carried out in a slit-like annular zone which extends radially from the center, the surface boundaries of said annular zone are not parallel and one of said surface boundaries is rotated while the opposite facing surface boundary remains stationary. The instant invention is also directed to an apparatus for producing a reaction mixture for forming solid or cellular materials from flowable reactants and, optionally, fillers, comprising:


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