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Concrete shell system including clamping devices having diagonally guided wedges

Patent Number: 8104738
Publication Date: 2012-01-31
Inventor: Schwörer, Artur

A turnbuckle device (12, 13, 14; 20; 35a, 35b, 35c; 44a, 44b, 44c) for clamping concrete shell elements (1, 2), having two claws (15a, 15b, 15c, 16a, 16b, 16c; 21, 22) and a wedge (17a, 17b, 17c; 23; 37a, 37b, 37c; 46a, ...

Sidewall construction of a casting mold

Patent Number: 8104737
Publication Date: 2012-01-31
Inventors: Vappula, Kari; Yli-Äyhö, Jukka

The invention relates to a sidewall construction to be used in casting of concrete elements, said sidewall construction comprising a support construction and a changeable mold surface plate. The support construction of the sidewall construction according to the invention comprises at least one horizontal profile (1) having at least one magnet (2) located therein, by means of which the fixing of the metallic mold surface plate (3) to the support construction is ...

Igloo building block mold

Patent Number: 8100380
Publication Date: 2012-01-24
Inventor: Goertzen, Norm

An igloo building block mold comprises a shell defining a pair of generally cuboid mold portions. The mold portions are offset from one another in both an upright direction extending between the top and bottom ends of the mold portions and a lateral direction extending between the end walls of each mold portion. A building block formed by the mold, when stacked on a previous row of blocks, permits inter-engagement between the blocks due to a shoulder being formed on each block which engages ...

Mold for producing silica crucible

Patent Number: 8100379
Publication Date: 2012-01-24
Inventors: Yoshioka, Takuma; Morikawa, Masaki

There is provided a mold for use in the production of a silica crucible by heat-fusing silica or quartz powder attached onto an inner wall of a rotating mold, wherein an inner side of an upper opening portion of the mold corresponding to an upper part of the silica crucible is ground to obtain a step portion and a ring-shaped heat insulating barrier member having an inner diameter smaller than that of the mold is disposed on the step portion through a hollow disk-shaped support member ...

Coupling system for vertically engaging support columns for concrete multi floor construction

Patent Number: 8100378
Publication Date: 2012-01-24
Inventor: Casini, Peter

A vertical column coupling providing a means for creating entire concrete forms for constructing the ceiling and floors of multistory buildings utilizing a plurality of pipe columns and supported form slabs that are erected to a desired height and in horizontal alignment. Additionally the present invention provides for the ability to pour concrete in one continuous pour from the top and easy disassembly and removal of the device after said poured concrete has ...