US2575162A - Molten metal supplying device for pressure die-casting machines - Google Patents

Molten metal supplying device for pressure die-casting machines Download PDF

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US2575162A
US2575162A US10562749A US2575162A US 2575162 A US2575162 A US 2575162A US 10562749 A US10562749 A US 10562749A US 2575162 A US2575162 A US 2575162A
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piston
ladle
cylinder
cylinders
molten metal
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Sternberg Jaime De
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/26—Mechanisms or devices for locking or opening dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/08—Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled
    • B22D17/10—Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled with horizontal press motion
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/221—Injection mold closing and locking clamp, wedge or retention means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/4673—Plural tanks or compartments with parallel flow
    • Y10T137/4807—Tank type manifold [i.e., one tank supplies or receives from at least two others]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20636—Detents

Definitions

  • the present invention relates to pressure diecasting machines capable of casting, in one operation, steel parts, for instance, weighing several hundred pounds.
  • the filling of the injection cylinder or cylinders requires the presence of a ladle into which the melted metal can easily be introduced and dosed.
  • the main object of the present invention is to provide a pressure diecasting machine wherein the ladle assumes the shape of a cylindrical sector, rockin about a hollow trunnion; a fixed draining piston may enter, in a tight manner, the ladle. The bottom of said ladle is gone through by an additional draining piston which drives away the amounts of metal between said fixed piston and the bottom of'said pocket when the latter is at its higher position.
  • the hollow trunnion for rocking the pocket is preferably in line with one of the injection cylinders and within said trunnion is reciprocably mounted the corresponding injection piston which is capable of moving back beyond the inlet aperture communicating with the ladle.
  • Another object of the present invention is to provide, in a pressure diecasting machine, a.
  • the assembly comprisin the ladle, its hollow trunnion and the corresponding injection piston with its driving cylinder is mounted on a frame movable in the direction of 1 the axis of the injection piston.
  • the ladle can easily be removed from under its fixed pis- 5 Claims. (CI. 22-79) ton for cleaning it and, if necessary, for chang- 2 through sets of double action pistons and cylinders. It is. obvious, however, that such hydraulic means could be replaced by mechanical, electrical or other means.
  • the thus built machine makes it possible to handle quantities of steel amounting to several hundred pounds at a production rate of approximately one closing of the moulds every two minutes.
  • the various operations can, of course, be effected by manual control but they could be adjusted by an automatic-control capable of causing the various operating elements to eifect the functions necessary for the performance of the operating cycle in a strictly sequentially timed order.
  • the supplyin device in molten metal may be associated in the same pressure diecasting machine with a mould section locking device of the kind described in my co-pending application Serial No. 105,626 filed July 19, 1949, now matured into Patent No. 2,564,884, and/or an injection mechanism of the kind described in my co-pending application Serial No. 105,628 filed July 19, 1949, now matured into Patent No. 2,564,885.
  • Figures 1 and 2 placed together, show a profile view of a diecasting machine according to the invention, with part of said machine torn off at the level of the lock.
  • Figure 1a shows, schematically, the supply cir-.
  • Figure 3 shows, partlyin section taken along line III-III of Fig. 6, the machine on the side of the piston operating the opening of the mould,
  • said mould being open.
  • Figure 4 complementary to Figure 3, shows a machine, the various portions of the mould being adjacent.
  • Fig. 6 is a plan view of the machine with a partial cross-section. through the line VIVI of Fig.
  • Fig. 7 is a partial view correspondin to Fig.
  • Figure 8 shows a partial section of the machinealong line VIIIVIII of Figure 6.
  • Figure 9 shows, on alargei'. scale, a profile view of the machine with a section. effected along line IX-IX of Figure 6.
  • Figure shows in partial section the ladle shown on Figure 9 in the raising position.
  • Figure 11 is a view similar to Figure 10, showing the positions of the elements at the end of the filling period.
  • Figure 12 shows, one. largerscale, the positions of the elements in the injection chambers at the end of the injection cylinder filling period.
  • Figure 13 shows, similarly to Figure 12, the positions of the elements at the end of the mould filling.
  • the machine comprises ( Figures 1 to 4), a frame formed by a lower slide i and anupper slide 2, slides which are anchored on end cross pieces 3, 4 by castellated assemblies 5, tightened by threaded rods 6 which receive tightening. nuts 1.
  • the crosspiece 3 supports a hydraulic cylinder 8 associated with a control piston 9 secured to aframe lll,*movin on sliding surfaces H and I2 formed on slidesl and "2.
  • Frame Ill carries protruding parts 13 for the fixation of the drag it.
  • This frame is to be brought in the neighbourhood of a frame 14, supporting thecope i5 complementary to drag l6 carried by the frame [3. drag and cope are brought together under the action of the hydraulicpiston 9.
  • This piston is double acting and ensuresthe uniting of the cope 1'5 and the drag it along their jointing plane, as well'astheir-separation.
  • the frame It carries two 'ramplungers "ll which traverse the Said end cross piece 3 through bores provided for that purpose.
  • housings l8 On the two opposite-side's of the crosspiece 3 housings l8 are provided, for receiving sliding locks 19 (Figs. '6 and?) which become interposed behind the ends 20 of the ram-plungers I! when the component elements of the complete mould are united, is. when the frame lll is pushed all the way against the frame l4.
  • the locks 19 are driven by double acting hydraulic cylinders'2 I, which are associated through plates 22 with the bodies-of the locks.
  • Each lock iiisoperated by an assembly-of two cylinders 21! respectively arranged above and underneath the lock and each cylinder contains a piston the rod 23 of which is secured at one of its ends to the'side face 0f the crosspiece 3.
  • the driving fluid is brought into the cylinders Ziby rigid pipes 24 reaching each end of the cylinder and capable of sliding in a telescopic manner inside the distributing pipes 25 ( Figure 6) with interposition of tightness seals such as 26. Undersuchconditions, the piston is fixed and the cylinder 2
  • the lock 19 is a hollow body capable of withstanding very high pressures and the chamber 21 provided therein opens on theside througha cylinder 28 which contains a piston element 29.
  • the piston element 29 is guided inside the cylinder 28 and the tightness is ensured by apacking 30 acting as a gland, completed "by a retaining groove, 31 ( Figuresl and, 6).
  • each piston 29 is parallel with the displacement axis of the ram plungers l1 andthe housing 18 of the lock comprises a relief 32 for the passage of the foot of the piston 29.
  • This housinglB comprises, further, a bearing face '33 for receiving the corresponding bearing face 34 of the lock, this bearing face 33 also containing the opening in which the ram plunger 11 moves.
  • the chamber 21 of the lock is placed in communication through telescopic pipings 35 and 33 with a mercury tank 31b located inside the crcsspiece 3.
  • This mercury tank is provided with a refrigerating device.
  • a pump 31a, driven by a motor 31 is capable of drawing the mercury from the above tank to bring it, under a high pressure, into chamber 2! through the piping '38.
  • This piping 36 opens into ducts formed in the mass of the lock I9 and opening through a perforation 38 into the chamber 21 at the upper portion of the latter.
  • the retaining groove 3! communicates through a duct 40 with the return duct 35.
  • an incased heating element '44 is arranged, strongly armoured so as to be able to withstandvery high pressures.
  • Thisselectric heating element acts to heat the mercury contained in the chamber 2'2 when s'aidcham'ber is hermetically sealed by the valves 41 and 42. Under these conditions, the mercury tends to expand with a considerable expansion power. Now when this expansion tends to occur, the lock I9 is completely pushed inside the cavity l8 and the piston element 29.
  • the piston 9 ensures theclosure of the mould and when the two half sections are in contact alongtheir jointing plane, the locks I9, operated by the hydraulic cylinders-2 I, enter the housings I8 and insert themselves behind the ram plungers ll.
  • the cavities '2'! are filled with mercury by the mercury pump driven by the motor 37, said mercury-being relatively cold.
  • the pistons 29 are applied against the ram plungers i1 and at- When the mould is to be opened, the action of "the heating element 44 is discontinued or not.
  • the valve 42 is opened thus allowing return of hotmercury to refrigerated tank.
  • the pistons '29 move back.
  • driven in the opposite direction, cause the locks I 9 tocome out and free the passage for the ram plungers H.
  • the mould is opened 'by the slip caused by the piston 9.
  • the mercury is refrigerated inside its tank and is prepared for'the next locking opera- -tion.
  • the volume of chambers 27 and the thermal energy developed by the heating elements 44 are ⁇ determined so as to obtain the required pressure on the jointing plane of the half-moulds.
  • the hydraulic energy to be brought into action is thus reduced to that which is necessary for obtaining "the operations and the hydraulic pressures can thus be reduced in a very large proportion, which brings about a substantial saving in motive forces.
  • the forces necessary for the putting under pressure of the jointing plane of the sections of the mould are also obtained very economically, since there is no need to provide any pressure accumulator or any pump developing said pressure.
  • the total cost of the installation will be favorably affected since the dimensions of the pressure pr'oducing mechanisms will be very much reduced.
  • the above described mechanism are for the purposes of opening and closing the moulds, wherein a molten metal is injected under pressure, this metal being generally steel.
  • the device allows the construction of moulds having very large dimensions, wherein considerable pressures will be developed at the time of dieing. These large dimensions of the moulds thus make it possible to mould bulky parts, such as example parts weighing about 900 to 1350 pounds.
  • the filling of the mould, under such conditions with such a large amount of steel, makes it impossible to use a single filling cylinder. Such a cylinder would have such diameter and length that seizing of the thrust piston would inevitably occur.
  • the machine comprises a plurality of cylinders for filling the mould
  • pistons move, said cylinders being capable of being opened after each injection operation.
  • the frame I4 carrying the cope I5 is also mounted so as to be movable along the slides H and I 2 and it is tied to the frame H) by assemblies of sliding rods 50 attached to frame l4 and going through the frame l in corresponding bores where the rods 55 can move freely. Stops are provided on the rods 50 in such a manner that the backward motion of the frame In causes first the separating of the half sections l5 and I6 before causing the backward motion of the frame l4.
  • the frame I4 is formed with a face 53 on which are mounted half-cylinders 54 for injection pistons 55.
  • the conjugate half-cylinders 56 are formed in fittings 51, secured to the crosspiece 4.
  • the half-cylinders 54 are formed in fittings 58 secured to the frame M.
  • the pistons 55 are op osite in pairs and at right angles to each other. Their axes are contained in a plane perpendicular to the the mandrel 12.
  • the pistons 55 ( Figure 5), are set in motion by rods 63 which are connected with pistons 54 moving inside double action hydraulic cylinders 65. Said cylinders 65 make it possible to obtain synchronous reciprocating motions of pistons 55, for example.
  • the introduction of the molten metal in the injection half-cylinders 54, 56 is effected through one of the cylinders 65 of this series of cylinders.
  • the half cylinder 56 comprises a lateral aperture which communicates with a ladle 6?.
  • cylinder 66 in front' of the corresponding piston 55 when the latter is at the end of its back stroke.
  • the crosspiece 4 comprises, at its center, a cylindrical bore 10 formed in a socket and wherein moves a sleeve H.
  • the sleeve 'll itself is provided with a bore where a cylindrical mandrel 12 can move.
  • the sleeve H has such a diameter that it can be applied in the tuyere 59 to obturate it in the vicinity of its wider portion and in a zone facing the crosspiece 4 whilethe diameter of the mandrel I2 is such that it slides inside the tuyere 59 in its narrower portion and obturates the aperture thereof facing that of the pouring hole 6
  • the tuyere 59 can thus be closed in two different manners, either by the sleeve H or by
  • the mechanism operating the sleeve and mandrel comprises a hydraulic piston I3 tied to the mandrel through a rod 74, the piston and said rod being associated with a yoke 15; said yoke 15 is connected to return rods 16.
  • the piston I3 is operated by a hydraulic cylinder 71 carried by a pillar 18, said cylinder being further tied to the crosspiece 4 through rods 19.
  • Said rods 19 are also tied to a yoke associated with the cylinder Ti.
  • the yoke 15 is capable of sliding on rods 8
  • the rods 16 go through the frame of the cylinder l1 and are tied to a movable yoke 85 acted upon by the rods 85 of auxiliary hydraulic return pistons contained in the frame of the cylinder Tl.
  • the cylinder H comprises an inner piston l3, tied to the yoke 15 and which enters a, second piston 88 moving inside the cylinder H.
  • hollow piston 88 is supplied by a pipe 89 going through the yoke of the cylinder 71 in a tight slid-f
  • This aperture 63 is effected in the half anglepiecesfi, the p'i'pe'SQ is put in communication wvith a cylinder ,9! sliding in a "tight "and 'tele'scopicmanner on 'a supply pipe 'Q2.
  • the empty mould is closed.
  • the cylinders 54,56 are empty.
  • "Thesle'eve H and the mandrel l2 are at their rear positions.
  • the cylinder 54, 56 is filled with molten metal and -the latter enters the cylinders '55.
  • the mandrel 12 is pushed forward completely :unti'l'itcloses the tuyere 59.
  • the molten metal fills only said cylinders 5'5, '56.
  • the piston 88 acting as a cylinder is put under load by the pipes 89, 90, 9!, '92, and the assembly of the mandrel '12 and of the sleeve H passes between the pistons 55 which are closer together and drives the liquid metal which was in this space, into the tuyere 59.
  • the sleeve H comes in contact with the wall of the tuyre 59, said tuyere is closed.
  • the locks 84 are wedged and the locks 83 are released.
  • the pipe 92 is then stopped and only the piston 1'! is supplied, causing an important thrust on the mandrel '12, the only one which is free.
  • the mandrel l2 enters the tuyre 59 (Fig. 12) and causes the dieing of the metal contained in the stamps of the closed mould. Under such conditions, the metal undergoes an actual forging operation which gives it a great strength.
  • anisms will allow a complete cleaning of said mechanisms and their covering, for example by spraying .of a suitable liquid.
  • the moulding can thus take
  • the rear face 53 of the frame 14 comprises a sealing ring '98 which, applied on a ring99 of the front face of the crosspiece 4 will make it possible to insulate the injection mechanisms and to also operate said injection in a controlled atmos- Dhere.
  • the moulding .machine To operate at a, fast rhythm, the moulding .machine must be supplied with molten metal :by means of a ladle '61 which makes it possible to accurately determinate the amounts -of metal for the injection and said ladle must be capable of being easily cleaned andreplaced.
  • the ladle B7 To this effeet the ladle B7 is mounted on one of the-sides of the crosspiece 4 and, 'in profile, it assumes the shape of a circular sector ( Figures 9 .to 1-1).
  • the metal wall of said ladle constitutes .a pivot .100 whose bearing surface l0
  • the aperture 68 provided radially inside the cylinder 66, inside the .pivot It opens throughanaperture .I'BZ in said .ladle.
  • This ladle is keyed by a cotter-pin Mon the-cylinder 56 which ,pivots inside asocket and is (connected tightly at the end of the corresponding cylinder 56.
  • the circular wall [03 of the ladle is formed with a gear 35 coming into engagemerit with a pinion 106 the-shaft of which is driven by a raising motor lfifia (Fig. 6).
  • the walls of the ladle are provided with a refractory lining I98, said wall offering a cylindrical portion, a plane bottom lllfiand sides in the Shapes of circular sectors H0 ( Figure 8).
  • the cylindrical wall of the ladle is formed with an aperture HI wherein a draining piston H2 is introduced.
  • the cylinder H1 is tangent to the plane bottom Hi9 and the aperture I02 .as wellas the aperture 68 are located on thegeometrical extension of the cylinder It].
  • .Above vthe'ladle .81 there is attached, on the crosspiece A, .as'upport H3 associated with a plate 41M .formingadriv: ing out piston.
  • the contour of this driving out piston Ht issuch that it enters .exactl-y the space between the walls of .theladle during the raising of the latter. This ,piston- I'Ul bears against the pivot I06.
  • l2 is provided with a tail piece .5 which comprises a half thickness assembling element 1 l6 .and a perforation Hi. This half thickness assembling and this perforation are .for the purpose .of .com-
  • the operating oi the rod I20 is caused by a hydraulic piston moving inside a double action cylinder I2I provided on the side of the crosspiece 80.
  • the corresponding piston 55 is driven by a hydraulic, double action cylinder I30, carried by a yoke I3I; this yoke I3I comprises two bores I32, I33 which allow its motion on cylindrical guides I 34, I35, one end of which is attached on the crosspiece 4 and the other end of which is carried by a stand I36 arranged laterally with respect to the machine.
  • the front portion of the yoke is associated with two control rods I 31 which, themselves, are double acting hydraulic piston rods moving inside cylinders I38 associated with the stand I36.
  • the stand I36 is provided with a perforation I39 which allows a free passage to the cylinder I33 with a view to save space and, for the same purpose, the rods I31 are attached to the bottom of blind bores I40, which come and cover the cylinder I33 when the yoke I3I is at its withdrawn position.
  • the rear portion I4I of the yoke I3I is associated with a socket I 42 within which is housed a socket I43 perforated with cooling ducts I43a; said duct I43 contains a cylinder I44 cooled by means of said cooling ducts and which serves as a guide for the piston 55 of the injection cylinder 56 when it is compelled to move back at the same time as the yoke I3I.
  • the pivot I00 of the ladle 51 rotates on the notched extension of the socket I43 and is stopped axially by a shoulder of the socket I42 and a second shoulder added on the end of the socket I43.
  • the socket I43 itself is keyed on the end of the cylinder 66.
  • this ladle is provided with a stand I45 resting through an anti-friction bearing I48 on the lower rod 135, said stand being thus" follows:
  • ladle is easily accessible. It may be cleaned and its refractory lining can be changed.
  • the reverse operation of the pistons contained within the cylinders I38 makes it possible to bring back the ladle in position and, at that time, the end of the cylinder 56 enters a housing for the corresponding end of the cylinder 56 facing it.
  • the operations may be controlled by hand and separately or they may be controlled by automatic relays which will efiect the operating cycle for pressure diecasting.
  • a molten metal supplying device for the injection cylinders of a pressure diecasting machine one of said cylinders acting as molten metal supplying cylinder for the other cylinders, comprising, in combination, a ladle having longitudinally theshape of a hollow circular cylindrical sector, pivotally mounted about an axis coinciding with the axis of said supplying cylinder.
  • said ladle comprising a wall formed of a part of a cylinder, two longitudinal parallel plane walls in the shape of circular sectors, and a rec tangular plane bottom wall, the part of which directed towards the pivotal axis forms a hollow cylindrical pivot centered on said axis and having an aperture opening from said axis into the interior of said ladle along its total transverse inner thickness, dismountable refractory linings of uniform thickness mounted on said walls inside said ladle, the free surface of the lining corresponding to the plane bottom wall registering the lower edge of said radial aperture, a hollow pivoting trunnion housed in said hollow pivot one end of which is tightly and pivotally mounted on one end of said supplying cylinder, said hollow trunnion having an inner diameter equal to that of said supplying cylinder and being formed with a radial aperture registering with the radial aperture of said pivot whereby a tight communication between the la
  • supplying device according ta claim 1, wherein the means for ejecting the molten metal contained in thehollow trunnion andthe supplygngcylinder comprises a cylindrical extension;
  • cooling means. for said extension an injection housed in said extension during. the emptying ofsaid ladle, means for reciprocating said injection piston. through. the. hollow trunnion and the supplying cylinder when the draining operation oi the, ladle is'ended, whereby all the molten metal. contained. in the ladlelis. ejected. into the other injection cylinders.
  • draining piston has arod extending out of the ladle and formed with a perforation and wherein the reciprocating means comprises a: thrust rod" having at rest such a.- position that;
  • said thrust rod tied to said draining piston towards the radial aperture of the ladlewhen the ladleis at its position of maximum raising;
  • the means for releasing of; theladle fromthe fixed piston comprises a movable support carrying the assembly formed by the ladle.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
US10562749 1949-06-28 1949-07-19 Molten metal supplying device for pressure die-casting machines Expired - Lifetime US2575162A (en)

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US10562849 Expired - Lifetime US2564885A (en) 1949-06-28 1949-07-19 Injection mechanism for pressure die-casting machines
US10562649 Expired - Lifetime US2564884A (en) 1949-06-28 1949-07-19 Mold section locking device for pressure die casting machines

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US10562649 Expired - Lifetime US2564884A (en) 1949-06-28 1949-07-19 Mold section locking device for pressure die casting machines

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DE (1) DE834432C (fr)
FR (1) FR993480A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2932865A (en) * 1957-01-23 1960-04-19 Nat Lead Co Cold chamber shot end with loose piece arrangement
US5543092A (en) * 1993-10-18 1996-08-06 Solomat Partners, L.P. Method for exerting stress tensor to molding material

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2689978A (en) * 1950-02-14 1954-09-28 Albert J Roger Clamping apparatus for injection molding machine molds
DE1012317B (de) * 1952-02-21 1957-07-18 Renault Herstellung von Tempergussstuecken hoher Zaehigkeit
US2906651A (en) * 1952-02-21 1959-09-29 Renault Method for producing malleabilized castings
BE520833A (fr) * 1952-08-28
US2895860A (en) * 1955-08-05 1959-07-21 Renault Pressure chill-castings of iron
US3038220A (en) * 1956-03-23 1962-06-12 Renault Pressure diecasting machine
US3153437A (en) * 1957-11-12 1964-10-20 Lukens Steel Co Top flanging beam mechanism for flanging and spinning machine
US3104433A (en) * 1959-11-12 1963-09-24 Joseph H Hoern Die casting and pressure molding machines
US3158903A (en) * 1961-11-01 1964-12-01 Champlain Zapata Plastics Mach Molding press
US3241187A (en) * 1962-02-13 1966-03-22 Inv S Finance Corp Hydro-mechanical clamps
GB1322012A (en) * 1970-04-04 1973-07-04 Metal Castings Doehler Ltd Die casting and like apparatus
US4345893A (en) * 1980-10-20 1982-08-24 Prince Corporation Molding machine
CN117753952B (zh) * 2024-02-22 2024-05-31 建中商云(上海)碳素工程有限公司 一种金属铸造模具

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE157822C (fr) *
US623073A (en) * 1899-04-11 Means for transferring steel from vessels or furnaces to molds
US1776544A (en) * 1927-05-04 1930-09-23 Ferric Engineering Company Casting ladle
US2137764A (en) * 1936-03-19 1938-11-22 Wagner Karl Friedrich Apparatus for casting metal under pressure
US2363759A (en) * 1942-03-21 1944-11-28 Hydraulic Dev Corp Inc Charging device for casting machines

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB341557A (en) * 1929-10-22 1931-01-22 J Stone& Co Ltd New or improved method and apparatus for the pressure casting of metals
US1961942A (en) * 1930-07-26 1934-06-05 Pack Charles Die casting machine
US2183112A (en) * 1936-08-07 1939-12-12 Firm Injecta Ag Die casting machine
US2268949A (en) * 1939-10-23 1942-01-06 Albert F Lehmann Die casting machine
US2372177A (en) * 1942-01-05 1945-03-27 Colt S Mfg Co Article of manufacture and method of making the same
US2473366A (en) * 1945-04-09 1949-06-14 Galliano Mfg Co Die casting machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE157822C (fr) *
US623073A (en) * 1899-04-11 Means for transferring steel from vessels or furnaces to molds
US1776544A (en) * 1927-05-04 1930-09-23 Ferric Engineering Company Casting ladle
US2137764A (en) * 1936-03-19 1938-11-22 Wagner Karl Friedrich Apparatus for casting metal under pressure
US2363759A (en) * 1942-03-21 1944-11-28 Hydraulic Dev Corp Inc Charging device for casting machines

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2932865A (en) * 1957-01-23 1960-04-19 Nat Lead Co Cold chamber shot end with loose piece arrangement
US5543092A (en) * 1993-10-18 1996-08-06 Solomat Partners, L.P. Method for exerting stress tensor to molding material
US5605707A (en) * 1993-10-18 1997-02-25 Thermold Partners L.P. Molding apparatus and a method of using the same

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FR993480A (fr) 1951-10-31
US2564885A (en) 1951-08-21
US2564884A (en) 1951-08-21
DE834432C (de) 1952-03-20

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