METHOD FOR MANUFACTURE OF PARTIALLY REINFORCED PLASTIC PARTS AND PLASTIC PARTS (MODIFICATIONS) Russian patent published in 2004 - IPC

Abstract RU 2228265 C2

FIELD: method for manufacture of thermoplastic, partially reinforced parts by thermomolding. SUBSTANCE: for production of partially reinforced zones of parts use should be made of thermomoldable reinforcing materials containing fibers more than 1 mm long. They should be changed to a soft-elastic state by means of heat transfer and then the male mould of deep drawing should be draped by them in definite points and with a definite orientation. After that a preliminarily plasticized plastic plate is pulled on the mould draped by the reinforcing material, and the plate is pressed to the mould surface and the reinforcing material due to application of vacuum to the mould under the action of the atmospheric pressure so that the amount of heat contained in the reinforcing material would cause welding of the latter to the plastic plate. The plastic parts are made in the form of a flexible member or artificial joint with a springing return systems, or in the form of a prosthesis or orthesis. EFFECT: reduced manufacturing expended, in particular, in manufacture of small numbers of articles. 12 cl, 3 dwg

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RU 2 228 265 C2

Authors

Dejnert Jurgen

Segl' Maksimilian

Bendlin Regina

Dates

2004-05-10Published

1999-05-26Filed