Method of producing a thermoplastics material

Details Method of producing a thermoplastics material Method of producing a thermoplastics material

1984-05-17

1986-05-20

Czaja, Donald

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

Coating or impregnating workpiece before molding or shaping...

264136, 264258, B29C 4320

Patent

active

045900272

ABSTRACT:
A method is described of producing a laminated structural material which includes the steps of stacking alternately layers of thermoplastics sheet material and one or more layers of material to be laminated, the material having been impregnated with a second thermoplastics material prior to stacking, placing the stack in a pre-heated mould or press and subjecting the stack to heat and pressure for a time sufficient to cause the thermoplastics material to flow and bond together the layers of structural material to be laminated and allowing the mould or press to cool sufficiently to avoid distortion of the moulded part before removal from the mould or press.

REFERENCES:
patent: 3790432 (1974-02-01), Fletcher et al.
May: "Low Cost Manufacturing of Composites" (1975), Technical Paper of the Society of Manufacturing Engineers, EM75-103.
Phillips: "Fabrication of Reinforced Thermoplastics by Means of the Film-Stacking Technique," Royal Aircraft Establishment, Farnborough, Hants, U.K., pp. 101-107.

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