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. 05, 2002
Filed:
Mar. 16, 2001
Applicant:
Inventor:
Norbert Ries, Kulsheim, DE;
Assignee:
KS Kolbenschmidt GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01B 3/108 ; B23P 1/510 ;
U.S. Cl.
CPC ...
F01B 3/108 ; B23P 1/510 ;
Abstract
The invention relates to a process for producing a cooling channel piston, in which the overall height is reduced in that the annular recess has a lower height than the height of the tool used for producing the cooling channel, and the production of the cooling channels starts parallel to the piston boss face, in which the axial height of the annular recess ( ) is smaller than the axial height of the cooling channel ( ).