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:
Mar. 15, 2016

Filed:

Dec. 05, 2012
Applicant:

Marutaka-kogyo Inc., Tokyo, JP;

Inventors:

Kazumasa Takagi, Tokyo, JP;

Eizou Takagi, Tokyo, JP;

Masayuki Asakura, Tokyo, JP;

Tatsuya Ida, Tokyo, JP;

Assignee:

Marutaka-Kogyo Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B28D 1/18 (2006.01); E04G 23/02 (2006.01); B28D 1/00 (2006.01); E04G 23/00 (2006.01);
U.S. Cl.
CPC ...
E04G 23/0296 (2013.01); B28D 1/00 (2013.01); B28D 1/005 (2013.01); B28D 1/18 (2013.01); E04G 23/002 (2013.01);
Abstract

[Problem] A mortar peeling method which can keep a sound generated during a peeling work to an allowable quiet sound and can peel a mortar off a concrete framework smoothly. [Solution] In a mortar peeling method, by gradually extending a piston rodof a hydraulic jackin a mortar peeling deviceA forward in one direction, a cutteris gradually advanced forward in one direction so as to execute a mortar peeling process of peeling a mortarwith a predetermined thickness off a concrete frameworkby using the cutter. In the mortar peeling method, after the piston rodof the hydraulic jackis extended forward in one direction and the mortaris peeled, by retreating the piston rodrearward in one direction, a session of the mortar peeling process is completed.


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