Plastic article or earthenware shaping or treating: apparatus – With means applying coating material to work or work contact... – To work downstream of shaping means
Patent
1995-04-07
1997-10-21
Davis, Robert
Plastic article or earthenware shaping or treating: apparatus
With means applying coating material to work or work contact...
To work downstream of shaping means
425200, 425290, 425291, 425322, 425335, 425336, 4253823, 425404, B28B 320, B29C 4700, B29C 5300
Patent
active
056793812
ABSTRACT:
Compositions and methods for manufacturing containers from sheets having a hydraulically settable matrix are disclosed. Suitable compositions are prepared by mixing together a hydraulic binder, water, and appropriate additives (such as aggregates, fibers, and rheology-modifying agents) which impart predetermined properties so that a sheet formed therefrom has the desired performance criteria. Hydraulically settable sheets are formed from the mixture by extrusion, then calendering the sheets using a set of rollers and then drying the sheets in an accelerated manner to substantially harden the sheets. The resulting hydraulically settable sheets may have properties substantially similar to sheets made from presently used materials like paper, cardboard, polystyrene, or plastic. The sheets can be laminated, corrugated, coated, printed on, scored, perforated, cut, folded, rolled, spiral wound, molded, assembled and seamed to mass produce articles of manufacture from the sheets such as food and beverage containers.
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Andersen Per Just
Hodson Simon K.
Davis Robert
E. Khashoggi Industries
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