Mold with tensioned cable adjusting means

Details Mold with tensioned cable adjusting means Mold with tensioned cable adjusting means

1974-09-27

1976-04-20

Husar, Francis S.

Static molds

Container-type molding device

And an inner removable core to form recess or opening

249152, 249155, 249162, B28B 702

Patent

active

039513769

ABSTRACT:
A forming device for prefabricating structures having a size-adjustable core surrounded by a shell structure displaceable with respect to the core. The shell structure is constructed of a plurality of frame members each independently adjustable with respect to the core. One or more tensioning cables surround the core, the cables being reeved through a series of fixed and movable pulleys mounted at each corner of the shell formed by the intersecting frame members. By operating the cables the frame members are adjustable with respect to the position of the core of the forming device.

REFERENCES:
patent: 1183169 (1916-05-01), Crist
patent: 1379965 (1921-05-01), Cleland et al.
patent: 1670339 (1928-05-01), Butterworth
patent: 2443059 (1948-06-01), Veward
patent: 2691996 (1954-10-01), McNair
patent: 3677512 (1972-07-01), Thomas

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