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:
Sep. 24, 1996
Filed:
Oct. 21, 1994
Applicant:
Inventor:
Ewald R Ulmer, Canton, SD (US);
Assignee:
CMI Corproration, Oklahoma, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02D / ; B05C / ; B28B / ;
U.S. Cl.
CPC ...
425 11 ; 4051501 ; 425427 ; 425460 ;
Abstract
A pipe paver finishing machine is disclosed for applying and finishing concrete lining onto the interior surface of a lower segment portion of a drainage pipe. The machine includes a chassis member adapted for movement longitudinally along the interior of the drainage pipe and a surfacing unit suspended from the chassis member and adapted for a pendulum-type pivotal movement substantially about the center point of drainage pipe to apply and to finish a concrete liner onto the bottom interior surface of the drainage pipe.