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公开(公告)号：ZA74552B
公开(公告)日：1974-11-27
申请号：ZA74552
申请日：1974-01-28
Applicant: ASEA AB
Inventor： LUNDBLAD E , NILSSON J , KOERSELL T , LARKER H
Abstract: In the hydrostatic extrusion of compound billets, in which the billet is formed of a core of one material and a casing surrounding the core of another material, and in which a gap is left during the assembly of the billet to allow for deformation of the casing, the core is provided with a point and the casing has an inwardly directed conical flange within which the point of the core rests. At the back end, the core is provided with a sealing device for preventing the entry of fluid into the space between the core and the casing. In order to prevent the compression of the air in the space between the core and the casing, the core is provided at its front end with passages which open into the point of the core and which communicate with the space between the core and the casing, providing an air escape arrangement.
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公开(公告)号：IN139573B
公开(公告)日：1976-07-03
申请号：IN24CA1974
申请日：1974-01-04
Applicant: ASEA AB
Inventor： LUNDBLAD E , NILSSON J , KORSELL T , LARKER H
Abstract: In the hydrostatic extrusion of compound billets, in which the billet is formed of a core of one material and a casing surrounding the core of another material, and in which a gap is left during the assembly of the billet to allow for deformation of the casing, the core is provided with a point and the casing has an inwardly directed conical flange within which the point of the core rests. At the back end, the core is provided with a sealing device for preventing the entry of fluid into the space between the core and the casing. In order to prevent the compression of the air in the space between the core and the casing, the core is provided at its front end with passages which open into the point of the core and which communicate with the space between the core and the casing, providing an air escape arrangement.
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Patent Agency Ranking
公开(公告)号：SE384975B
公开(公告)日：1976-05-31
申请号：SE7305011
申请日：1973-04-10
Applicant: ASEA AB
Inventor： KORSELL T , LARKER H , LUNDBLAD E , NILSSON J
Abstract: 1456735 Extruding dies ASEA AB 9 April 1974 [10 April 1973] 15569/74 Heading B3P An extrusion die for use in a hydrostatic extrusion press to produce a composite aluminium-copper rod or wire has an inlet portion 20 of concave form leading to a rectangular crosssection die orifice 21, the tangents T to the generatrices of the inlet portion surface forming an angle 2a in the range 120 to 180 degrees in a section through the longer diameter of the die orifice. The inlet portion may be spherical, ellipsoidal, hyperbolic or parabolic shape S leading to a frusto-conical inlet portion K whose included angle 2# is from 40 to 120 degrees.
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公开(公告)号：SE370027B
公开(公告)日：1974-09-30
申请号：SE7301245
申请日：1973-01-30
Applicant: ASEA AB
Inventor： KOERSELL T , LARKER H , LUNDBLAD E , NILSSON J
Abstract: In the hydrostatic extrusion of compound billets, in which the billet is formed of a core of one material and a casing surrounding the core of another material, and in which a gap is left during the assembly of the billet to allow for deformation of the casing, the core is provided with a point and the casing has an inwardly directed conical flange within which the point of the core rests. At the back end, the core is provided with a sealing device for preventing the entry of fluid into the space between the core and the casing. In order to prevent the compression of the air in the space between the core and the casing, the core is provided at its front end with passages which open into the point of the core and which communicate with the space between the core and the casing, providing an air escape arrangement.
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公开(公告)号：SE7407507L
公开(公告)日：1975-12-08
申请号：SE7407507
申请日：1974-06-07
Applicant: ASEA AB
Inventor： LARKER H , LUNDBLAD E , LUNDBECK B , NILSSON J
Abstract: In the hydrostatic extrusion of tubes in a press which has a pressure chamber containing a high pressure cylinder, a pressure generating portion insertable into the cylinder, a die arranged in the cylinder and a mandrel axially fixed in relation to the die and composed of a carrier portion and a tip, and in which the tip forms with the opening in the die a gap in which a tubular billet is shaped into a tube by hydrostatic extrusion, in connection with the insertion of the tubular billet, a seal is produced initially between the mandrel and the hole in the billet at a point between the front part of the mandrel carrier and the hollow wall of the billet. This may be done by producing a constriction of the front end of the hole in the billet before the mandrel is inserted therein or by upsetting the billet against the die.
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公开(公告)号：ZA7400552B
公开(公告)日：1974-11-27
申请号：ZA7400552
申请日：1974-01-28
Applicant: ASEA AB
Inventor： LUNDBLAD E , NILSSON J , KOERSELL T , LARKER H
CPC classification number: B21C23/22 , B21C23/007 , Y10T428/12285 , Y10T428/12292 , Y10T428/12319 , Y10T428/12326
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公开(公告)号：BR7400619D0
公开(公告)日：1974-08-22
申请号：BR61974
申请日：1974-01-29
Applicant: ASEA AB
Inventor： LUNDBLAD E , NILSSON J , LARKER H , KORSELL T
Abstract: In the hydrostatic extrusion of compound billets, in which the billet is formed of a core of one material and a casing surrounding the core of another material, and in which a gap is left during the assembly of the billet to allow for deformation of the casing, the core is provided with a point and the casing has an inwardly directed conical flange within which the point of the core rests. At the back end, the core is provided with a sealing device for preventing the entry of fluid into the space between the core and the casing. In order to prevent the compression of the air in the space between the core and the casing, the core is provided at its front end with passages which open into the point of the core and which communicate with the space between the core and the casing, providing an air escape arrangement.
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