IT1195853B - Moulds for mfg. annular endless toothed belts
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Moulds for mfg. annular endless toothed belts
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Publication number
IT1195853B
IT1195853BIT48233/86AIT4823386AIT1195853BIT 1195853 BIT1195853 BIT 1195853BIT 48233/86 AIT48233/86 AIT 48233/86AIT 4823386 AIT4823386 AIT 4823386AIT 1195853 BIT1195853 BIT 1195853B
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Application filed by Bruss Polt I, Bruss Proizv Ob BelorusrezinotfiledCriticalBruss Polt I
Priority to IT48233/86ApriorityCriticalpatent/IT1195853B/en
Publication of IT8648233A0publicationCriticalpatent/IT8648233A0/en
Application grantedgrantedCritical
Publication of IT1195853BpublicationCriticalpatent/IT1195853B/en
Moulds for making annular polymeric articles, partic. flat endless rubber toothed belts, comprise (a) a core having an outer contoured surface for placing a workpiece thereon; (b) two half-moulds having holes for discharging excess polymer and embracing the contoured surface of the core and partially embracing end faces of the core during press-forming of the article, and (c) means for pressure-sealing a forming interior of the mould; such that (d) the half-moulds have in the area where they are joined a width equal to the length of the generating line of the core; whereas (e) the means for pressure-sealing the forming interior includes two members rigidly attached to one of the half moulds at the opposite sides thereof and having each at the side facing the half-moulds the form of a portal embracing these half-moulds in the area where they are joined and embracing part of the end faces of the half-moulds and core during press-forming of the article.
IT48233/86A1986-07-041986-07-04Moulds for mfg. annular endless toothed belts
IT1195853B
(en)
Injection molding methods,injection molding apparatus and injection nozzle devices for use in molding multiple-layer articles,and multiple-layer injection molded articles
Appts. for moulded profile mfr. from resin-impregnated wood wool - has mould cavity corresp. to shape of U=channel and formed by two endless conveyor chains