METHOD AND DEVICE FOR INJECTION MOULDING OF POLYMERS Russian patent published in 2010 - IPC B29C39/10 

Abstract RU 2404891 C2

FIELD: process engineering.

SUBSTANCE: proposed invention relates to injection moulding of polymers to produce structures from plastic materials reinforced by fibers. Proposed device comprises mould to accommodate moulding compound made from reinforced fibrous material. Polymer feed line communicates with mould inner cavity. Suction line is arranged to reduce the mould inner pressure. Chain-type cure polymer composition is fed into injection mould to produce moulded reinforced fibrous polymer article. To receive said chain-type cure polymer, there a layer made from hollow laminar material that can contain aforesaid chain-type cure polymer composition. Said layer adjoins outer side of polymer composition to produce maximum magnitude of Vf. Heat removal appliance is arranged between polymer composition and layer to receive to said chain-type cure polymer. Note here that moulding layer consists of mould composition separation appliance and layer to receive to said chain-type cure polymer arranged one above the other outside moulding composition.

EFFECT: increased volume of reinforcing fibers to add to article strength, lower weight of moulded article.

14 cl, 4 dwg

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RU 2 404 891 C2

Authors

Khajasi Norija

Mizuno Khirosi

Khazegava Koiti

Ota Kazuo

Dates

2010-11-27Published

2007-08-08Filed