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US 4,872,827 AGranted
Porous die
AssigneeKTX Co., Ltd.
InventorYasuyoshi Noda
Life of this patent
Estimating the term…
Abstract
A porous die includes a porous die body with a plurality of pores formed therein; a cooling chamber provided in direct contact with the back side of the porous die body in order to cool the porous die body; a device for supplying a coolant to the cooling chamber; and suction holes through which the cooling chamber is evacuated and the air and the coolant entering the cooling chamber are simultaneously sucked.
Claims8
A porous die comprising:
- a porous die body including a back side and further including a molding surface having a plurality of pores opening therethrough;
- a cooling chamber adjacent said back side of said porous die body opposite said molding surface and communicating with said molding surface through said pores;
- at least one inlet communicating with said cooling chamber for supplying a coolant to said cooling chamber so as to cool said porous die body;
- a suction hole communicating with said cooling chamber;
- and
- suction means coupled to said suction hole for drawing coolant from said cooling chamber at a rate sufficient to cause air to be drawn into said cooling chamber through said pores so that the coolant and air are drawn simultaneously from said cooling chamber through said suction hole.
3 more elements
Dependencies are inferred from the claim text.