Plastic article or earthenware shaping or treating: apparatus – Building forms or construction engineering type mold with...
Patent
1980-03-17
1982-02-09
Czaja, Donald E.
Plastic article or earthenware shaping or treating: apparatus
Building forms or construction engineering type mold with...
249 10, 249 19, 425 65, B28B 1700
Patent
active
043147984
ABSTRACT:
An arrangement for combined stationary form and slipform casting, including a slipform yoke capable of carrying two form halves, between which concrete is to be poured, for example for a wall or the like.
According to the invention, the form halves each comprise a so-called supporting form half which can be expanded in the casting direction, i.e. usually upward in vertical direction, so that the area of the support wall of the supporting form half after expansion has substantially been increased, for example almost doubled. The resulting support surface of the supporting form half is intended to serve as a support in an additional form half.
REFERENCES:
patent: 1393506 (1921-10-01), Copeland
patent: 1628752 (1927-05-01), Sproul et al.
patent: 1638583 (1927-08-01), Keller
patent: 3497579 (1970-02-01), Barron
patent: 3705776 (1972-12-01), Johansson
patent: 4076778 (1978-02-01), Whitting
Czaja Donald E.
Thompson W.
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