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PIEDMONT SECURITIES Co ESTABLISHMENT
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PIEDMONT SECURITIES Co ESTABLISHMENT
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Application filed by PIEDMONT SECURITIES Co ESTABLISHMENTfiledCriticalPIEDMONT SECURITIES Co ESTABLISHMENT
Priority to ES1981255691UpriorityCriticalpatent/ES255691Y/en
Publication of ES255691UpublicationCriticalpatent/ES255691U/en
Application grantedgrantedCritical
Publication of ES255691YpublicationCriticalpatent/ES255691Y/en
Lifting device, constituted by a hoist inserted in a cylinder-shaped box and formed by two sets of cable wheels adjustable one with respect to another and joined together by means of a charging cable, of which a set of wheels for cable it is arranged in a stationary position and the other is incorporated in a piston-like displaceable component with respect to the aforementioned play by effect of a pressure agent, characterized in that the two sets of cable wheels are inserted in a closed box which is consisting of a pressure cylinder with a pressure-tight passage opening for the load cable, and in that the component bearing the displaceable set of cable wheels is configured in the manner of a piston guided in a pressure-tight manner. The pressure cylinder and which can be requested on one or both sides by a pressure agent. (Machine-translation by Google Translate, not legally binding)
VALVULAR ARRANGEMENT WITH SLIDING GATE FOR THE OPENING THAT EXISTS IN THE BOTTOM OF A BOILER TO CAST A FLUID SUCH AS STEEL, IRON, ALUMINUM, BRONZE AND CAST GLASS