COLORED CONCRETE BLOCK MANUFACTURING METHOD AND COLORED CONCRETE BLOCK

Title:

COLORED CONCRETE BLOCK MANUFACTURING METHOD AND COLORED CONCRETE BLOCK

Document Type and Number:

WIPO Patent Application WO/2020/003570

Kind Code:

A1

Abstract:

Provided are a colored concrete block manufacturing method, with which a wide variety of color coating materials can be used and there is little degradation of appearance due to aging, and a colored concrete block.　The colored concrete block manufacturing method comprises a coating step for coating a color coating material onto the surface of a concrete block body (2) to form a colored coating (3), and a polishing step for scraping away the colored coating (3) from the tops of protrusions (6) on a relief surface of the concrete block body (2) until the bare surface (4) of the concrete block body (2) is exposed, so as to prevent peeling away of the colored coating (3) in recesses (5).

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Inventors:

AMANO SHIGEHARU (JP)

Application Number:

PCT/JP2019/002502

Publication Date:

January 02, 2020

Filing Date:

January 25, 2019

Export Citation:

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Assignee:

FUKUOKA ILB KK (JP)

International Classes:

C04B41/72; B05D3/12; B05D5/06; B05D7/00; E04C1/00

Foreign References:

JPH0244079A	1990-02-14
JPS63166781A	1988-07-09

Attorney, Agent or Firm:

KATO, Hisashi et al. (JP)

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