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公开(公告)号：US4363611A
公开(公告)日：1982-12-14
申请号：US202282
申请日：1980-10-30
CPC分类号： B29C55/16 , B29C47/0004 , B29C47/0023 , B29C55/18 , C08J5/18 , F16L9/12 , Y02P20/149
摘要： A hydrostatic extrusion apparatus whereby thermoplastic polymers can be hydrostatically extruded in a solid state is described. The apparatus includes:(a) an outer casing or tooling support means,(b) a container assembly concentrically contained within the outer casing and having pressure means attached thereto to provide extrusion pressure to a fluid in the assembly, sealing means to prevent leakage of the fluid, means for holding a polymer billet and including a die portion, and(c) a receiver assembly axially aligned with the container assembly concentrically within the outer casing having pressure means to clamp the container and receiver assemblies together, a mandrel for holding and aligning a mandrel-head in spaced relationship with the die, and means for receiving, lubricating and cooling the extrudate.Optionally, means for preheating and loading the polymers into the container assembly are provided whereby the press may be operated on a semi-continuous or continuous basis.
摘要翻译： 描述了一种流体静力学挤出设备，其中热塑性聚合物可以以固态方式被流体静力挤出。 该装置包括：（a）外壳或工具支撑装置，（b）容器组件，其同心地容纳在外壳内并具有连接到其上的压力装置，以向组件中的流体提供挤压力，以防止泄漏 流体，用于保持聚合物坯料并包括模具部分的装置，以及（c）与容器组件轴向对准的容器组件的接收器组件，其同心地位于外壳内，具有用于将容器和接收器组件夹紧在一起的压力装置，用于保持和 对准与模具间隔开的心轴头，以及用于接收，润滑和冷却挤出物的装置。 可选地，提供用于将聚合物预热和加载到容器组件中的装置，由此压力机可以在半连续或连续的基础上操作。
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公开(公告)号：US3559271A
公开(公告)日：1971-02-02
申请号：US3559271D
申请日：1968-06-24
申请人： ASEA AB
发明人： NILSSON JAN
CPC分类号： B21C23/007 , B22F3/20 , B22F2003/202 , B22F2003/206 , C22C32/0015
摘要： RODS OR WIRE ARE PRODUCED FROM POWDER BY FORMING A BILLET COMPACTED TO GREAT DENSITY AND PROVIDED ON ITS SURFACE WITH A TEMPORARY, LIQUID-TIGHT BARRIER OF NONMETALLIC YIELDING MATERIAL. THE BILLET IS ENCLOSED IN A PRESSURE CHAMBER LOCATED ABOVE A DIE, WITHIN WHICH CHAMBER A LIQUID CAN BE COMPRESSED. THE COLD BILLET IS FORMED BY HYDROSTATIC EXTRUSION TO A CROSS SECTION DETERMINED BY THE NOZZLE OF THE DIE AFTER WHICH THE TEMPORARY BARRIER IS REMOVED. THE DEFORMATION IS CARRIED OUT UNDER SUCH PRESSURE AS TO PRODUCE A SUFFICIENT INCREASE IN TEMPERATURE TO SINTER THE POWDER.
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公开(公告)号：US4346653A
公开(公告)日：1982-08-31
申请号：US123705
申请日：1980-02-22
申请人： Edward Rodak
发明人： Edward Rodak
CPC分类号： B30B11/30 , B09B1/00 , B09B3/0025 , B30B9/3035
摘要： A method and apparatus are disclosed for treating refuse preparatory to its discharge in a body of water in which air incorporated in the pores and interstices of the material of the refuse is replaced with a liquid, such as water, sea water, or brine, by applying fluid pressure in the range of 200-300 p.s.i. to the refuse containing an added quantity of the liquid.
摘要翻译： 公开了一种处理垃圾的方法和设备，用于处理其排放在水体中的排放物，其中掺入孔中的空气和垃圾的材料的空隙被诸如水，海水或盐水的液体替代，通过 施加200-300psi范围内的流体压力 对含有添加量的液体的垃圾。
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公开(公告)号：US3390563A
公开(公告)日：1968-07-02
申请号：US51264165
申请日：1965-12-09
申请人： WESTERN ELECTRIC CO
发明人： FUCHS JR FRANCIS J
CPC分类号： B21C23/007 , B01J3/048 , B21C27/00 , B30B11/004 , B30B11/221 , B30B11/30
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公开(公告)号：US5340419A
公开(公告)日：1994-08-23
申请号：US994878
申请日：1992-12-21
申请人： George D. Chandley
发明人： George D. Chandley
CPC分类号： B22F3/15 , B01J3/06 , B30B11/001
摘要： Method and apparatus for densifying an article wherein the article is disposed in a first molten salt pressure transmission medium in a container. The first medium is heated to a first elevated densifying temperature. The container is disposed in a second molten salt pressure transmission medium at a second temperature lower than the first temperature. The first medium and the second medium are communicated so that pressure applied to the second medium is transmitted to the first medium. Pressure is applied to the lower temperature second medium sufficient to densify the article disposed in the first higher temperature medium. Following densification of the article, the container is removed from the second medium. The method and apparatus are especially useful for closing internal porosity of metallic and intermetallic castings.
摘要翻译： 用于致密化制品的方法和装置，其中所述制品设置在容器中的第一熔盐压力传递介质中。 将第一培养基加热至第一升高的致密化温度。 容器在比第一温度低的第二温度下设置在第二熔盐压力传递介质中。 第一介质和第二介质被传送，使得施加到第二介质的压力被传送到第一介质。 将压力施加到较低温度的第二介质上，足以使设置在第一较高温度介质中的物品致密化。 在制品的致密化之后，将容器从第二介质中移出。 该方法和装置对于关闭金属和金属间铸件的内部孔隙率特别有用。
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公开(公告)号：US4449904A
公开(公告)日：1984-05-22
申请号：US449289
申请日：1982-12-13
CPC分类号： F16L9/12 , B29C47/0004 , B29C47/0023 , B29C55/16 , B29C55/18
摘要： A hydrostatic extrusion apparatus whereby semicrystalline thermopolastic polymers can be hydrostatically extruded in a solid state is described. The apparatus includes an outer tooling support means; a container assembly aligned within one end of the outer support means and having pressure means contiguous therewith whereby pressure is applied to the apparatus to both rigidly align the tooling and provide sufficient pressure for extrusion of a polymer billet within the container assembly and a receiver assembly coaxially aligned with the container assembly in the other end of the tooling means. The container assembly includes a container means, sealing means to prevent leakage of hydrostatic fluid in the container means and a die portion on the inner forward surface of the container means. The receiver assembly includes a concentrically aligned mandrel which supports and aligns a mandrel-head in spaced relationship with the die portion of the container means. Means are also provided for receiving, lubricating and cooling the extrudate in the receiver assembly. A base portion supports the extrudate receiving assembly and coacts with the pressurizing means in the container assembly to rigidly align and clamp the tooling means together.
摘要翻译： 描述了一种静液压挤出装置，其中半结晶热弹性聚合物可以以静态挤压成固态。 该装置包括外加工支承装置; 容器组件在外部支撑装置的一个端部中对准并且具有与其相邻的压力装置，由此压力施加到装置上以刚性地对准工具并且提供足够的压力用于挤出容器组件内的聚合物坯料和同轴地接收容器组件 在工具装置的另一端与容器组件对准。 容器组件包括容器装置，用于防止流体静力流体在容器装置中泄漏的密封装置和容器装置的内部前表面上的模具部分。 接收器组件包括同心对准的心轴，其支撑和对准与容器装置的模具部分间隔开的关系的心轴头。 还提供了用于在接收器组件中接收，润滑和冷却挤出物的装置。 基部支撑挤出物接收组件并与容器组件中的加压装置共同作用以将加工装置刚性地对准和夹紧在一起。
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公开(公告)号：US4050281A
公开(公告)日：1977-09-27
申请号：US646408
申请日：1976-01-02
申请人： Guenter W. Sibler
发明人： Guenter W. Sibler
CPC分类号： B21C23/217
摘要： A stationary main cylinder, spaced behind a billet-receiving container located behind an extrusion die, contains a ram projecting from the front end of the cylinder. Piercer cylinders are mounted on the opposite sides of the main cylinder and have open front ends from which piston rods extend forward and carry coupling cylinders. A piercer crosshead in front of the ram is rigidly connected to the coupling cylinders behind an extrusion crosshead connected to the ram by means extending past the piercer crosshead. Plungers disposed in the coupling cylinders are rigidly connected with the extrusion crosshead, from which a hollow stem extends forward. A mandrel holder carried by the piercer crosshead extends forward through an opening in the extrusion crosshead for supporting a mandrel in the stem. Means are provided for supplying hydraulic fluid to the cylinders in a predetermined sequence to move the crossheads in unison and also relative to each other during piercing and extruding of a billet.
摘要翻译： 在位于挤出模具后面的坯料容纳容器之间的固定主缸，包含从气缸前端突出的冲头。 穿孔筒安装在主缸的相对侧上，并具有开放的前端，活塞杆从该前端向前延伸并携带联接缸。 在冲压器前面的穿孔器十字头通过延伸穿过穿孔器十字头的装置与连接缸连接到挤压十字头后面的连接缸刚性连接。 设置在联接圆柱体中的柱塞与挤压十字头刚性连接，空心杆从该十字头向前延伸。 由穿孔器十字头承载的心轴保持架通过挤压十字头中的开口向前延伸，用于在杆中支撑心轴。 提供了用于以预定顺序向液压缸供给液压流体的装置，以在吹塑和挤出坯料期间一致地并且相对于彼此移动十字头。
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公开(公告)号：US3775043A
公开(公告)日：1973-11-27
申请号：US3775043D
申请日：1972-03-13
申请人： ASEA AB
发明人： JOHANSSON P , LANDA T , LARKER H
CPC分类号： B30B11/002 , B01J3/048 , B22F3/15 , F27D3/18
摘要： A furnace for vacuum-pressure-sintering has a furnace chamber which is enclosed in and insulated from a surrounding pressure chamber. The pressure chamber includes a bottom projecting into it at the lower end and has at the upper end a charging opening and a lid projecting into the charging opening. A housing can be applied over the charging opening and connected to a vacuum pump during the part of the operating cycle when the pressure in the furnace is to be below atmospheric pressure. The lid is formed of an outer annular part and an inner part, separate from each other, the outer annular part remaining in position when the inner part is removed. A heat radiation protection ring is provided for insertion into the opening into the annular part when the annular part is raised. A lifting device for the lid is provided inside the housing.
摘要翻译： 用于真空压力烧结的炉具有封闭在周围的压力室中并与其隔离的炉室。 压力室包括在下端突出到其中的底部，并且在上端具有充电开口和突出到充电开口中的盖子。 当炉中的压力低于大气压力时，壳体可以在充电开口上施加并且在操作循环的一部分期间连接到真空泵。
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公开(公告)号：US3771221A
公开(公告)日：1973-11-13
申请号：US3771221D
申请日：1971-12-03
发明人： BACHMANN K , HOFER F , SCHULER C , WIDEN AG
CPC分类号： B30B11/30 , B21C23/007 , B22F3/20 , B22F2003/202 , B22F2003/206 , B22F2999/00 , H01F1/06 , Y10T29/49076 , B22F2202/05
摘要： Fine-particle permanent magnets are prepared by hydrostatically driving a pre-pressed member composed of powder of magnetically aligned particles through a die opening of diminishing crosssection, so as to cause compression of the pre-pressed member into a permanent magnet form wherein the hydrostatic force is supplied by a surrounding liquid medium under a compressive force.
摘要翻译： 微细永久磁铁是通过将由磁性排列的颗粒粉末组成的预压构件通过横截面减小的模具开口进行静压驱动而制成的，从而使预压构件压缩成永磁体， 流体静力由压缩力下的周围液体介质供给。
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公开(公告)号：US3446053A
公开(公告)日：1969-05-27
申请号：US3446053D
申请日：1966-05-02
申请人： FARREL CORP
发明人： GOVAN WILLIAM L
CPC分类号： B21C23/211
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