Reinforcement encapsulation in plastic material

Details Reinforcement encapsulation in plastic material Reinforcement encapsulation in plastic material

B - Operations, Transporting

29

C

18/683

B29C 45/14 (2006.01) B29C 33/12 (2006.01)

Patent

CA 1040367

ABSTRACT OF THE DISCLOSURE The invention relates to a method of forming a moulded product comprising a reinforcement encapsulated in a plastics material. The reinforcement is supported in a mould cavity spaced from the surfaces of said mould cavity by support pins which are retractable into the mould surfaces. During an initial part of the moulding operation some of the plastics moulding material enters one or more reservoirs each formed in or around one of the support pins, the reservoirs opening into the mould cavity and extending inwardly of the mould surface, and on retraction of each pin, a piston, working in each reservoir, forces the moulding material out of the reservoir into the vacinity of the part of the mould cavity previously occupied by the pin. - 1 -

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