Szilikatipari Kozponti Kutato Es Tervezo Intezet

Epitestudomanyi Intezet & Konnyuipari Szerelo Es Epito Vallalat

Kalman Toth

Istvan Nagy

Ferenc Nagy

Gyula Varju

Istvan Pozsgai

Laszlo Karatson

Jeno Zubretzky

Andor Gabori

The invention relates to an apparatus for the construction of monolithic of multi-level or pillar-framed buildings having suspended ceilings, said apparatus is provided with surface- and in given case working level-forming formwork shell surrounding the monolithic concrete form-space of the ceiling, formwork bearer supporting the formwork shell, furthermore actuating mechanisms, e.g. lifting units for lifting and lowering the formwork bearer, the actuating mechanism, e.g. lifting units are in force-transmitting connection directly or indirectly with a certain part, e.g. pillars of the temporary or permanent vertical load bearing structures of the building, load bearing elements, e.g. bear frame, connecting member, etc. are built in between the formwork bearer and the lifting units. The essence of the apparatus lies in that the units /7/ are interconnected preferably with storey-high intermediate members /8/ forming forced trajectory for the formwork bearer /3/, furthermore the intermediate members /8/ are provided with releasable hinged bearers /9/ fixed to the vertrical load bearing structure /1/ temporarily holding and temporarily releasing the intermediate members /8/ and allowing the inching movement of the lifting units /7/ .

Apparatus and process for the construction of monolithic ceilings

The invention relates to expanded products made from riolite glasses with a natural water content of at least 4 % by weight, as well as to a process for the preparation of such products. When preparing these expanded products a granulometric fraction of 0.3 to 3.0 mm. of the natural riolite glass is subjected to a heat treatment at 220.degree. to 400.degree. C for at least one hour, to reach a residual water content of 1 to 4 % by weight, and the obtained partially dehydrated substance is expanded at 800.degree. to 1300.degree. C. This way expanded products with high quality can be obtained.

Expanded riolite glasses and a process for the preparation thereof

Growing community of inventors

Budapest, Hungary

Kalman Toth