Plastic article or earthenware shaping or treating: apparatus – Building forms or construction engineering type mold with... – Means penetrating or embedded in previously formed section...
Patent
1980-11-19
1983-02-22
Lowe, James B.
Plastic article or earthenware shaping or treating: apparatus
Building forms or construction engineering type mold with...
Means penetrating or embedded in previously formed section...
249 20, E04G 1122
Patent
active
043746349
ABSTRACT:
Apparatus for successively lifting sliding molds during construction of concrete buildings and the like having a variable cross-section of straight or curved walls includes a plurality of yoke structures for supporting the sliding molds, each yoke structure being associated with a hoist means. Each of the yoke structures comprises a lower traverse secured to a hoist means, an upper traverse, spaced inner and outer yoke posts extending between and pivotally secured to the traverses and an adjustable brace extending between the outer yoke post and the upper traverse such that the traverses and inner and outer yoke posts form a parallelogram yoke structure which may be adjusted by the brace. Each of the yoke structures is displaceably secured to a star beam system permitting radial movement of the yoke structures therealong. An annular framework system including work platforms is connected to the yoke structures and adapted to be arranged tangentially at the periphery of the building. The apparatus is adjustable continuously during construction by a central hydraulic control means as the cross-section of the building decreases and the thickness of the walls decreases with increasing height.
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patent: 3973885 (1976-08-01), Schmidt
patent: 4040774 (1977-08-01), Scheller
Lowe James B.
Smith, Jr. John C.
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