HUT33986A - Forming shape for production of hollow porcela in objects
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Forming shape for production of hollow porcela in objects
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Publication number
HUT33986A
HUT33986AHU83936AHU93683AHUT33986AHU T33986 AHUT33986 AHU T33986AHU 83936 AHU83936 AHU 83936AHU 93683 AHU93683 AHU 93683AHU T33986 AHUT33986 AHU T33986A
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Filing date
Publication date
Application filed by Karlovarsk Porcelan OborovyfiledCriticalKarlovarsk Porcelan Oborovy
Publication of HUT33986ApublicationCriticalpatent/HUT33986A/en
Publication of HU194766BpublicationCriticalpatent/HU194766B/en
Curing Cements, Concrete, And Artificial Stone
(AREA)
Moulding By Coating Moulds
(AREA)
Blow-Moulding Or Thermoforming Of Plastics Or The Like
(AREA)
Moulds, Cores, Or Mandrels
(AREA)
Abstract
Mould comprises a conical centring mandrel (2) in the lower part of a thin-walled plastics moulding of poly-alpha-olefin, e.g. polypropylene, polyester, polyamide or polyformaldehyde, opt. reinforced with glass fibres, pref. in an amount of 10-30 pts. wt. - An annular stiffening rib (3) pref. projects in the same direction as the mandrel at the outer end of the flat central region (1) of the mould and there are opt. two spaced ribs along the inclined wall of the mould.
HU83936A1981-04-021983-03-21Molding shape for producing hollow porcelain products
HU194766B
(en)