HUT51189A - Method and apparatus for producing cast plastic products
- Google Patents
Method and apparatus for producing cast plastic products
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Publication number
HUT51189A
HUT51189AHU255387AHU255387AHUT51189AHU T51189 AHUT51189 AHU T51189AHU 255387 AHU255387 AHU 255387AHU 255387 AHU255387 AHU 255387AHU T51189 AHUT51189 AHU T51189A
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Application filed by Vanitone Pty LtdfiledCriticalVanitone Pty Ltd
Priority to HU255387ApriorityCriticalpatent/HUT51189A/en
Publication of HUT51189ApublicationCriticalpatent/HUT51189A/en
Processing And Handling Of Plastics And Other Materials For Molding In General
(AREA)
Abstract
Process, and appts. for the prodn. of moulded articles from a mouldable reaction setting compsn. comprises forming the compsn. by mixing at least one major and one or more minor ingredients which together form a flowable composition which gradually reacts to form a set, flowing the unset composition into a mould and allowing the composition to set, and removing the set composition from the mould such that (a) prior to mixing the ingredients, the major component is de-aerated to remove dispersed air; and in that (b) after mixing the unset composition is flowed under air-less conditions into the bottom of a vented but otherwise enclosed mould cavity, and in which (c) the composition is allowed to set prior to stripping from the mould.
HU255387A1987-06-041987-06-04Method and apparatus for producing cast plastic products
HUT51189A
(en)
Process for making polyurethane and related products by reaction injection molding in presence of siloxane mold release agent and compositions therefor