Method for fabricating concrete blocks or concrete slabs

Details Method for fabricating concrete blocks or concrete slabs Method for fabricating concrete blocks or concrete slabs

2011-05-03

2011-05-03

Nguyen, Khanh (Department: 1746)

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Stratified or layered articles

C264S074000, C264S077000

Reexamination Certificate

active

07935284

ABSTRACT:
The invention relates to a method for the production of concrete blocks or concrete slabs of varying formats and sizes, whereby concrete is filled into molds for several blocks or slabs, the surface layer of which or the facing concrete layer of which has a base color and the surfaces, which have regions of difference colors, is puddled by means of vibration and/or compacting and subsequently hardened, whereby, before puddling, at least one portion of a pigmented and/or variously-pigmented and/or a color- and/or various color-containing finishing material is projected or thrown by means of at least one application device.

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patent: 3115673 (1982-11-01), None
patent: 1431014 (2004-06-01), None

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