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:
Aug. 10, 1999
Filed:
Jun. 23, 1997
Applicant:
Inventor:
Voitto Augusti Hamalainen, Lapaluoto, FI;
Assignee:
Rautaruukki Oy, Oulu, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23C / ;
U.S. Cl.
CPC ...
409178 ; 409205 ;
Abstract
The invention relates to machining equipment for machining the sealing surface (13) of the door frame (10) of a coke oven. The machining equipment comprises: