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:
Nov. 22, 1988
Filed:
Jun. 03, 1986
Applicant:
Inventor:
Jaakko O Barsk, Tampere, FI;
Assignee:
Oy Partek AB, Toijala, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B28B / ;
U.S. Cl.
CPC ...
425 63 ; 425426 ; 425427 ;
Abstract
A casting apparatus for casting a hollow slab out of concrete includes a feeder member having an axis extending between first and second ends thereof and a forming member supported on the apparatus adjacent the second end of the feeder member. A central longitudinal axis of the feeder member is moved at a first end thereof along a path of movement of a set shape and a point of the axis of the forming member is maintained in a stationary position relative to the axis of the feeder member.