Plastic and nonmetallic article shaping or treating: processes – Forming articles by uniting randomly associated particles – Plural – intermittent pressure applying
Patent
1981-07-27
1983-05-03
Welsh, Maurice J.
Plastic and nonmetallic article shaping or treating: processes
Forming articles by uniting randomly associated particles
Plural, intermittent pressure applying
425233, 425234, 425236, 425257, 425DIG54, B28B 500
Patent
active
043820530
ABSTRACT:
The hot pressing of ceramic material in dies forming a column, each die being shaped to interfit and cooperate with adjacent dies to cause densification of ceramic material within the dies when pressure is applied to the column. The column of dies is passed intermittently through a fixed, heated zone and pressure is applied to the column intermittently to move the dies through the heated zone and, as a separate step, to compress the column and cause densification of ceramic material in the dies.
REFERENCES:
patent: 2964400 (1960-12-01), Brennan
Hinds William R.
United Kingdom Atomic Energy Authority
Welsh Maurice J.
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