Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting – Controlling rate of movement of molding material or its...
Patent
1984-05-04
1986-12-02
Hoag, Willard E.
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
Controlling rate of movement of molding material or its...
156 39, 264165, 264333, 425143, 425371, B29C 3916
Patent
active
046263896
ABSTRACT:
The invention provides an installation and method for the continuous production of materials using exothermically hardening binders, such as gypsum or cement, comprising a mixing and feeding station and a calibrating unit or press and also a control system for operating the installation. This installation is distinguished by the fact that the distance between the feeding station and the entrance to the calibrating unit or press on the one hand and the distance between the feeding station and the end of the calibrating unit or press on the other hand, taking into account the duration of the mixing and forming time, corresponds to the ratio between the period of time from the beginning of mixing to the beginning of stiffening and the period of time from the beginning of mixing to the end of hydration, and by the fact that the rate of advance of the continuous installation is controlled in such a way that the exothermically hardening binder reaches its maximum temperature shortly before leaving the calibrating unit or press.
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Kossatz Gert
Lempfer Karsten
Sattler Heinz
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