Method and auxiliary means for producing concrete elements,...

Details Method and auxiliary means for producing concrete elements,... Method and auxiliary means for producing concrete elements,...

2011-03-01

2011-03-01

Nguyen, Khanh (Department: 1742)

Plastic and nonmetallic article shaping or treating: processes

Forming structural installations in situ

Uniting preform member with molding material

C264S034000, C264S308000, C264S228000, C264S297900, C264S241000, C264S271100, C052S742140, C052S576000, C052S079110, C052S042000, C052S405100

Reexamination Certificate

active

07897073

ABSTRACT:
Displacers are used in production of concrete surfaces. The displacers are embodied, for example, as plastic balls or plastic shells and are locked in lattices that are open on one side, preferably downwardly. The modules can then be pressed into a first or second concrete layer that can already contain a first reinforcement mesh. The thus produced semi-finished product can then be covered with a concrete mass during the subsequent finishing process.

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Oster, W099/64693, Dec. 1999, European Patent Office English Translation.

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