ES402311A1 - Improvements introduced in the manufacture of concrete pieces. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Improvements introduced in the manufacture of concrete pieces. (Machine-translation by Google Translate, not legally binding)
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Contratas S A Precon
PREFABRICACIONES
Original Assignee
Contratas S A Precon
PREFABRICACIONES
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Application filed by Contratas S A Precon, PREFABRICACIONESfiledCriticalContratas S A Precon
Priority to ES402311ApriorityCriticalpatent/ES402311A1/en
Publication of ES402311A1publicationCriticalpatent/ES402311A1/en
Improvements introduced in the manufacture of concrete parts, characterized in that for the molding of internal recesses for the housing of the fastening or assembly elements is disposed inside the mold a lost formwork expanded polystyrene or any other easily combustible material, vaporizable, fusible or soluble, capable of being eliminated, once the piece is molded, without recovery. (Machine-translation by Google Translate, not legally binding)
ES402311A1972-05-021972-05-02Improvements introduced in the manufacture of concrete pieces. (Machine-translation by Google Translate, not legally binding)
ExpiredES402311A1
(en)
Method of manufacturing molded parts based on cement or concrete, using missed molds, which are incorporated to the piece as a protective packaging. (Machine-translation by Google Translate, not legally binding)