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DETAILS OF PARTICULAR PROCESSES
ACCESSORIES AND AUXILIARY APPARATUS
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advantage aminoplasts angle press apparatus applied arrangement asbestos automatic become cent charging cold moulding colour connexion considerable cooling crank cresol curing period cylinder difficulties downstroke press effect ejector electric fibre fillers flash formaldehyde hand hand mould hardening period heat conducting heating hexamethylenetetramine high-pressure hot moulding hydraulic presses increase injection moulding installation J. F. Lehmanns layer lower machine Matt Surfaces means mechanical presses metal inserts method of moulding millimetres mixture moulded article moulded material moulding compounds moulding process necessary nozzle obtained operation output phenol phenol resin phenoplasts pieces plastic plate polish position possible powder preheating preliminary mouldings pressure produce pump regulator removed resinoid result return stroke rods secured shape shown in Fig shows steel suitable surface switch synthetic resin tablets takes place temperature thermostat thread tool Troisdorf tube upper force upstroke press valve vents wood flour