Process and apparatus for rotational moulding

A process for rotational moulding is presented, which can be used for producing duplicates, in particular of biological preparations. This involves filling a negative mould to a certain extent with a curable composition and rotating this negative mould simultaneously about two mutually perpendicular...

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Bibliographische Detailangaben
1. Verfasser:	WECHSLER,KLAUS
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A process for rotational moulding is presented, which can be used for producing duplicates, in particular of biological preparations. This involves filling a negative mould to a certain extent with a curable composition and rotating this negative mould simultaneously about two mutually perpendicular axes, to be precise with respectively defined angular velocities. The angular velocities are chosen to be not exactly the same but slightly different from each other. The ratio of the angular velocities is adapted to the shape of the negative mould.