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公开(公告)号：US3829261A
公开(公告)日：1974-08-13
申请号：US35648673
申请日：1973-05-02
Applicant: ASEA AB
CPC classification number: B22F3/1258 , B22F3/15
Abstract: In isostatic hot pressing of powder in a collapsible container, the powder is enclosed in a container which is provided with one or more evacuation openings, and a conical support is held in position adjacent the evacuation openings. A funnel-shaped body of sheet metal is secured above the support and the evacuation openings by welding its edge to the wall of the container. The body is evacuated through a suction tube connected to the funnel and the tube is sealed. Thereafter the container is subjected to heat and pressure, and the funnel-shaped member collapses into engagement with the conical support.
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