Method for pressing a plastic, which cures by means of a...

B - Operations – Transporting – 29 – C

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B29C 45/02 (2006.01) B29C 45/46 (2006.01) B29C 45/53 (2006.01)

Patent

CA 2128228

2128228 9314920 PCTABS00024 Method for pressing a plastic (6), which cures by means of a reaction, from a displacement chamber (4) via at least one injection channel (3) and a gate (2) into a mould cavity (1), said method at least comprising the following steps: pressurising the plastic (6) with an amount of a pressing auxiliary (7) in the displacement chamber (4); pressing the plastic (6) into the mould cavity (1); and allowing the plastic to cure under pressure in the mould cavity, the pressing auxiliary (7) being plastically deformable under the conditions of pressing and the amount thereof being sufficient to be pressed to the vicinity of the gate (2) of the mould cavity (1). Preferably the pressing auxiliary (7) is a thermoplastic.

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