Method for high speed sinter molding

Details Method for high speed sinter molding Method for high speed sinter molding

1975-09-15

1977-02-22

Hoag, Willard E.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264121, 264126, 264297, 264331, B29D 2303, B29F 502

Patent

active

040092348

ABSTRACT:
A method for high speed sinter molding having endless chains mounted side by side. Mold halves are attached at spaced intervals down the chains. The paired mold halves come next to each other to form a female mold into which is deposited a polymeric material. A treating core extends inside the mold and as the mold traverses its path, it surrounds the core and the core deposits polymeric powder, heats the polymeric powder, and then cools it. At the end of the mold path, the finished article is ejected and is ready for the next operation.
Another embodiment of the same essential process is to place the paired mold halves in juxtaposition as they moved down over the core. This will result in the fabrication of a continuous conduit. A container may be fabricated by using hollow mold halves with heating and deposition accomplished before the hollow mold halves are pressed together to form a hollow container.

REFERENCES:
patent: 3187381 (1965-06-01), Britten
patent: 3278656 (1966-10-01), Dicks et al.
patent: 3298064 (1967-01-01), Taga

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