This invention relates to the lifting of a concrete panel and especially to a method and apparatus for lifting a concrete panel and to lifting a composite truss having a pair of spaced apart prestressed concrete panels.
Panel lifting apparatus and process
2015-09-29
Patent
Electronic Resource
English
IPC: | B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |