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Patent Searching and Data


Title:
PERMANENT SHELL-CORE FOR PRODUCING INTERNAL CAVITIES OF VIBRO-PRESSED CONCRETE ARTICLES
Document Type and Number:
WIPO Patent Application WO2017009677
Kind Code:
A1
Abstract:
Permanent shell-core for producing internal cavities of vibro-pressed concrete articles, the shell-core defining a three-dimensional spatial region, wherein a first level (5a) of the spatial region is formed by a low-height base space (1) and the second level (5b) thereof is formed by an upright stack (2) disposed on at least one through-cut (1c) formed in a cover plate 1b) of the base space, the cover plate (1b) being parallel with the bottom of the base space (1a), where the stack (2) ends at an end plate (3) disposed parallel with the bottom of the base space (1a) at a height of 70-90% of the total height dimension of the concrete article (10), with the bottom of the base space (1a) having at least one respective positioning projection (4) arranged in the plane thereof in at least two directions.

Inventors:
VÁGNER FERENC (HU)
Application Number:
HU2016000048W
Publication Date:
January 19, 2017
Filing Date:
July 18, 2016
Export Citation:
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Assignee:
SW UMWELTTECHNIK MAGYARORSZÁG KFT
International Classes:
B28B7/34; B28B23/00; E04C2/54
Foreign References:
DE102007031935A12009-01-02
US20040211138A12004-10-28
US7540121B22009-06-02
US6637464B12003-10-28
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