Mechanism for forming plastic board

Details Mechanism for forming plastic board Mechanism for forming plastic board

1992-03-23

1993-11-09

Nguyen, Khanh P.

Plastic article or earthenware shaping or treating: apparatus

Stock pressurizing means operably associated with downstream...

Including heating or cooling means

425380, 4253824, 425467, B29C 4714, B29C 4786, B29C 4788

Patent

active

052597512

ABSTRACT:
A mechanism for forming plastic board including a base, a chamber and a passage formed in the base, a pump disposed in the chamber, a housing disposed above the base and including a passage for supplying plastic materials to the chamber, a pathway formed in the base and communicated with the chamber, two mold disposed in the base, in which one is located above the pathway and the other one below the pathway, the mold cavities being communicated with the pathway such that the plastic materials may flow into the mold cavities via the pathway so as to form the plastic board.

REFERENCES:
patent: 2504210 (1985-03-01), Titz et al.
patent: 3815637 (1974-06-01), Carrow
patent: 3854859 (1974-12-01), Sola
patent: 4113411 (1978-09-01), Terragni
patent: 4302172 (1981-11-01), Hogseth et al.
patent: 4707139 (1987-11-01), Valenzky et al.
patent: 4863653 (1989-09-01), Takubo et al.

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