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:
Apr. 12, 1994
Filed:
Jan. 12, 1993
Applicant:
Inventor:
Kenji Maeda, Suginami-ku, Tokyo, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B28C / ; B29B / ; B01F / ; B30B / ;
U.S. Cl.
CPC ...
366 66 ; 366 96 ; 366117 ; 366333 ; 366334 ; 100232 ; 425432 ; 425456 ;
Abstract
The present invention aims to evenly and surely knead a concrete material comprising less water amount. Concrete material layer entered into a kneading tank is cut in an up-and-down direction and divided into a plurality of layer sections arrayed side by side along a right-and-left direction,, and one of the divided layer sections is piled up another one of the divided layer sections in the up-and-down direction, then the piled up concrete layer sections are compacted, in other words are pressed in the up-and-down direction and extended in a horizontal direction, and further these steps are repeated.