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:
Feb. 14, 2006
Filed:
Dec. 17, 2002
Applicant:
Leo Sandqvist, Forssa, FI;
Inventor:
Leo Sandqvist, Forssa, FI;
Assignee:
Addtek Research & Development Oy AB, Vantaa, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B28B 3/22 (2006.01); B28B 3/24 (2006.01); B28B 13/00 (2006.01); B28B 13/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and apparatus are disclosed for slip-form casting a concrete product, the product being made from at least two different grades of concrete so that the concrete mix grade can be changed in an uninterrupted fashion during casting at a desired point along the length of the casting bed.