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.

Date of Patent:
Aug. 21, 2018

Filed:

Dec. 11, 2012
Applicants:

Yeoung Cheol Cho, Seoul, KR;

The Archimedes B.v., Rotterdam, NL;

Marinus Mieremet, Vinkeveen, NL;

Joon Ho Baek, Daejeon, KR;

Inventors:

Marinus Mieremet, Vinkeveen, NL;

Joon Ho Baek, Daejeon, KR;

Assignees:

Other;

The Archimedes B.V., , NL;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23P 15/04 (2006.01); F01D 5/14 (2006.01); F03D 1/06 (2006.01); F03D 3/06 (2006.01); B23K 31/02 (2006.01); B32B 37/18 (2006.01);
U.S. Cl.
CPC ...
F01D 5/141 (2013.01); B23K 31/02 (2013.01); B23P 15/04 (2013.01); B32B 37/18 (2013.01); F03D 1/06 (2013.01); F03D 1/0666 (2013.01); F03D 3/061 (2013.01); F03D 3/062 (2013.01); B32B 2603/00 (2013.01); F05B 2250/25 (2013.01); Y02E 10/721 (2013.01); Y02E 10/74 (2013.01); Y02P 70/523 (2015.11);
Abstract

A method for making blade unit with divided shaft facilitating drastically the productivity and assembling compared to a method fixing blade to a shaft using many connecting parts. The method for making blade unit includes steps for making a blade with divided shaft comprising a blade and a divided shaft that is attached integrally to a root portion of the blade and divided into a plurality of portions in a direction of length of the shaft, and combining a plurality of made blades with divided shaft together with one another through the divided shaft.


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