Method of injection moulding pallets

Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article

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Details

264275, 264277, 264328, B29D 302

Patent

active

040297284

ABSTRACT:
A method of injection moulding a pallet comprising a reinforcement or reinforcing frame provided with an encapsulation of thermoplastic polymeric material, wherein the reinforcement is held in an open mould cavity by vertical projections before the mould cavity is closed and after closure of the cavity is supported in the cavity by horizontal projections whereupon said material is injected into the cavity to encapsulate the reinforcement, the projections subsequently being withdrawn the cavity opened and the pallet removed. The reinforcement or reinforcing frame of the pallet is in the form of two interconnected assemblies of crossed rods.

REFERENCES:
patent: 2040921 (1936-05-01), Corbin
patent: 2356585 (1944-08-01), Hempel
patent: 2465799 (1949-03-01), Gravesen
patent: 3311690 (1967-03-01), Fischer
patent: 3787549 (1974-01-01), Stanley

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