Method of manufacturing articles

Details Method of manufacturing articles Method of manufacturing articles

1980-05-02

1981-12-01

Pavelko, Thomas P.

Road structure, process, or apparatus

Traffic steering device or barrier

52DIG9, 264294, 264320, E01F 1300

Patent

active

043033490

ABSTRACT:
In a novel method of manufacturing articles, primarily scrap plastic materials are collected and then melted. The melted scrap plastic materials are then formed into a semi-molten object which is placed between the male and female portions of a die set. The die set is then closed under a predetermined pressure and for a predetermined time to force the semi-molten object into the shape of the article to be manufactured. While the die set is closed under pressure, the article therein is cooled to effect stabilization, following which the die set is opened to allow removal of the article. Articles formed in accordance with the invention are inexpensive and exhibit good structural characteristics and finish.

REFERENCES:
patent: 355810 (1887-01-01), Brown
patent: 2609570 (1952-09-01), Danielson
patent: 2816323 (1957-12-01), Munger
patent: 3209662 (1965-10-01), Morton
patent: 3698290 (1972-10-01), Wallace

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