Including Product Handling Means Patents (Class 72/426)
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Patent number: 5117688Abstract: An apparatus and method are provided for removing a very open shell (28) from a forming mandrel (76), the mandrel being configured so that when the shell is released from the mandrel, the shell springs to an open form. The apparatus includes a fixture (44) for receiving the shell from the mandrel after the shell has been formed and clamped in place, the fixture comprising a pair of spaced claw elements (308,310) having aligned openings (426) through which the mandrel and the shell can pass with the shell formed and clamped in place on the mandrel, the openings being sized to hold the shell in its open form due to the spring force of the shell, and a support (394) connected between the claw elements for maintaining the alignment of the openings. A universal mount (394,424) for the fixture enables it to be positioned accurately to receive the shell from the mandrel.Type: GrantFiled: December 6, 1990Date of Patent: June 2, 1992Assignee: Eastman Kodak CompanyInventors: Stephen M. Reinke, James C. Foote, Jr., Thomas A. Cipolla, William G. Hoyt, Lyndon R. Hutteman, Joseph A. Watkins
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Patent number: 5111678Abstract: A method and apparatus for forming an electric resistance heating coil of desired resistance that involves forming a straight helical coil and centering the formed coil for transfer to a first folding station for holding the straight helical coil into a U-shaped helical coil.Type: GrantFiled: May 28, 1991Date of Patent: May 12, 1992Assignee: Carrier CorporationInventors: Arthur Evans, John R. McManus
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Patent number: 5079937Abstract: An arrangement for cooling in a controlled manner a rolled wire from rolling temperatures. The arrangement includes a cooling unit arranged following a finishing stand, a coiling unit for the wire and a cooling and conveying system for the spread-out wire coils. A pivotable and/or displaceable coil placement unit is arranged between the coiling unit and the cooling and conveying system.Type: GrantFiled: December 10, 1990Date of Patent: January 14, 1992Assignee: SMS Schloemann-Siemag AktiengesellschaftInventor: Rolf Scholer
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Patent number: 5078001Abstract: Two-out terminal strip (44, 44') is produced by stamping and forming the strip such that the terminals (40) on one of the side edges (36) extend laterally in a first direction of the plane of the stock strip (124) and the terminals (40') on the other side edge (36') extend laterally in a second direction which is the opposite of the first direction. The two-out strip is slit along the centerline (30) of the central carrier portion and the resulting single strips (44, 44') of terminals are wound on reels (46, 46'). One of the strips (44') is wound by rotating the reel (46') in a clockwise direction and the other strip (44) is wound on a reel (46) by rotating the reel in a counterclockwise direction. The two strips will then be in the same orientation on their respective reels and re-reeling of one of the strips is not necessary.Type: GrantFiled: March 13, 1991Date of Patent: January 7, 1992Assignee: AMP IncorporatedInventor: Johannes C. W. Bakermans
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Patent number: 5067341Abstract: A method and apparatus are disclosed for making and transferring shells for cans within a ram press. The shells are formed in a two-step operation in which shell preforms are formed at a first station within the press and then transferred to second station where they are formed into completed shells. The first station includes first and second rows of tooling sets with the tooling sets of the first row being located in alternating transverse positions relative to the tooling sets of the second row. Similarly, the second station includes third and fourth rows of tooling sets in which the tooling set of the third row are located in alternating transverse positions relative to the tooling sets of the fourth row, and the tooling sets of the third and fourth rows are located for receiving the shell preforms from the tooling sets of the second and first rows, respectively.Type: GrantFiled: January 19, 1990Date of Patent: November 26, 1991Assignee: Dayton Reliable Tool & Mfg. Co.Inventors: David K. Wynn, Omar L. Brown
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Patent number: 5038595Abstract: An extraction device for a metal tube obtained by hot extrusion is located along an extrusion axis downstream of the die of an extrusion press. The extraction device has a group of elastic metal fingers for gripping the tube against a bearing surface of a discharge chute receiving the extruded tube. The fingers are joined at one end to a rotatable shaft in order to bring the fingers into elastic contact with an outer wall of the tube. A double-acting jack is connected directly or indirectly to the shaft in such a way as to permit the displacement of the tube clamped by the fingers towards the downstream end and to thereby extract its upstream end from the die.Type: GrantFiled: April 4, 1990Date of Patent: August 13, 1991Assignee: ValinoxInventor: Pierre G. Peytavin
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Patent number: 4993253Abstract: Method and machine to bend the trailing end of bars, which is to be carried out automatically or otherwise in bending-shaping machines with a working platform (22) that can be positioned as desired in relation to the horizontal and with a bending assembly located downstream of a feeding-straightening assembly for bars unwound from a reel, whereby after the required bends have been made in the leading end (T) of the bar (29), the bar (29) is fed forwards by an appreciable length at least partially by the feeding assembly with a movement of distancing of the leading end (T) and, this length of feed having been completed, the bar (29) is sheared by a shears (24) so as to create a trailing end (C) of the residual bar (129) when the trailing end (C) has been defined, the residual bar (129) is moved axially by an auxiliary drawing unit (10) located downstream of a bending assembly (35) and suitable to take up a first working position and a second retracted position to free a working platform.Type: GrantFiled: January 10, 1990Date of Patent: February 19, 1991Assignee: M.E.P. Macchine Elettroniche Piegatrici S.p.A.Inventors: Marcello Del Fabro, Giorgio Del Fabro
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Patent number: 4974439Abstract: Apparatus which eliminates mechanically-moving parts for clasping or releasing a sheet metal can body for moving a can body from a forming station and, which reduces the number of moving parts as well as the type of movements required by such transfer apparatus to enable sheet metal can bodies to be transferred rapidly, in synchronism with movements of tooling in a forming press without damage to sheet metal or coating while controlling orientation and stability of the can body. A shuttle-arm oscillates in the longitudinal direction of the can line, into and out of the area of the press tooling to transfer a can body for continued movement in the line; such shuttle arm moves at a rate which does not obstruct any movement of the forming tooling or the operating rate of the press. A formed can body is attracted to and physically held at the leading end of the shuttle arm in desired orientation without mechanical movement clamping of any type by a stacked array of permanent magnets and flux path bars.Type: GrantFiled: July 1, 1988Date of Patent: December 4, 1990Inventors: William T. Saunders, Robert L. Applegate
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Patent number: 4961337Abstract: A portable and easily adjustable parts unloader which is usable with different types and sizes of power presses is provided by driving a parts remover tray through a simple cable and sheave arrangement and by mounting the parts remover on top of a telescopic post whose effective length is varied hydraulically so the height of the loader is easily changed for different presses. The post, in turn, is mounted on a wheeled cart so it is easily moved from one press to the other by a single operator. By using a simple pulley, the stroke of the parts remover tray is directly proportional to the stroke of the press ram, but the stroke of the tray can be made greater than and/or faster than the stroke of the ram by using a compound pulley in which the two pulley parts have different effective diameters.Type: GrantFiled: September 8, 1989Date of Patent: October 9, 1990Assignee: Deere & CompanyInventors: Thomas P. Henning, William O. Ellis
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Patent number: 4941793Abstract: In a system for removing press-formed parts formed in a pressing machine, a loading transfer device is disposed between an ejection position to which a plurality of press-formed parts are simultaneously ejected in parallel from the pressing machine and a loading position established to load the press-formed parts onto each of a plurality of carrier pallets which are on standby in parallel to individually correspond to the plurality of press-formed parts. The loading transfer device comprises a plurality of transfer pallets connected to one another with variable spacings therebetween and reciprocally movable in parallel between the ejection position and the loading position so that the plurality of press-formed parts may be placed onto the individual transfer pallets, and a spacing-varying drive device for varying the spacing between the transfer pallets. During transferring of the press-formed parts by the loading transfer device, the spacing between the press-formed parts is varied.Type: GrantFiled: December 20, 1988Date of Patent: July 17, 1990Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Motoatsu Shiraishi, Masaru Sasagawa, Ken Tazo, Masaaki Kubota, Shinji Katayama
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Patent number: 4929164Abstract: Compound press suitable to autonomously perform all operations necessary to mold pieces, including mechanisms to feed the pieces to be molded, and molding of same and to discharge the molded pieces.Type: GrantFiled: October 19, 1988Date of Patent: May 29, 1990Assignee: Norda S.P.A. Via VallecamonicaInventor: Gianfranco Duina
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Patent number: 4912959Abstract: A conveyor belt apparatus is mounted between the upper and lower die shoes of a press for removing a metal blank from the press. The conveyor has magnetic means for magnetically attracting the workpiece to the underside of the belt as it is being moved from the press at right angles from the direction the sheet metal is fed into the press.Type: GrantFiled: October 26, 1988Date of Patent: April 3, 1990Inventor: Irvin D. Bond
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Patent number: 4885926Abstract: An apparatus for the production of spacer frames (44) by bending hollow moldings comprises two bending heads (12) displaceably arranged along a plate (10); with the aid of these bending heads, a hollow molding fed thereto can be bent into a spacer frame (44). At the rim of the plate (10) of the bending apparatus (1) lying in opposition to the bending heads (12), a conveyor slide (50) is provided which transports the hollow moldings, bent into a spacer frame (44), to a transfer device (60), this transfer device (60) lifting the spacer frames (44) conveyed thereto off the plate (10) and transfer them into a welding unit (5) for welding together the free ends (45) of the hollow molding bent into a spacer frame (44).Type: GrantFiled: May 10, 1988Date of Patent: December 12, 1989Inventor: Peter Lisec
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Patent number: 4881397Abstract: Successively formed cans or cups are quickly and smoothly removed from beneath the lower die shoe of a high speed forming press by an elongated dual lane stainless steel air conveyor having closely spaced upper and lower parallel walls defining an air chamber therebetween. A blower supplies air to the discharge end portion of the conveyor, and the inner end portion of the conveyor top wall defines two cup receiving zones adjacent corresponding outlets formed by upwardly projecting air deflecting hoods. Each hood directs a high flow of air horizontally across the adjacent receiving zone and longitudinally along the top conveyor wall to move each cup quickly from the receiving zone. Longitudinal extending parallel ribs project upwardly from the top wall for each lane, and a set of louvered slots are formed within the top wall between the ribs to maintain the linear and uniform flow of the cups to the discharge end of the conveyor.Type: GrantFiled: May 2, 1988Date of Patent: November 21, 1989Assignee: Formatec Tooling Systems, Inc.Inventors: Harry D. Stewart, Ralph P. Stodd
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Patent number: 4836005Abstract: An apparatus for bending hollow moldings into spacer frames (44) for insulating glass comprises two bending heads (12) displaceably arranged along the rim of a plate (10), a clamp (13) being provided between these bending heads for the hollow molding to be bent into the spacer frame (44). In this apparatus, a device (20) is provided for feeding hollow moldings which extends in parallel to the rim of the plate (10) at which the bending heads (12) are arranged. Furthermore, a gripper (30) is provided in the plane of symmetry of the clamp (13) for transferring the hollow moldings from the conveying device (20) into the clamp (13) and the bending heads (12).Type: GrantFiled: April 12, 1988Date of Patent: June 6, 1989Inventor: Peter Lisec
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Patent number: 4809529Abstract: A flaring apparatus including at least one of die member positional adjustment apparatus and a defective rim element ejecting apparatus. The positional adjustment apparatus includes a connecting shaft provided between a die member mounting block and a link mechanism for moving the mounting block. The connecting shaft has shaft portions, axes of which are radially offset from each other. By rotating the connecting shaft, the die member position can be adjusted. Therefore, there is no need to provide a shim between the die member and the mounting block. The defective rim element ejecting apparatus includes a pressure sensing switch which can detect an increase in pressure within a space defined by a rim element and the die members during flaring.Type: GrantFiled: October 20, 1987Date of Patent: March 7, 1989Assignees: Topy Kogyo Kabushiki Kaisha, Watanabe Tekko Kabushiki KaishaInventors: Yusaku Shinozawa, Atuyoshi Komatu, Masahiro Okada, Hiroshi Yamada, Masatoshi Fujita
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Patent number: 4763506Abstract: An automatic tube bending machine, in which, an electric motor is adapted to drive a speed reduction multiple-pulley system which in turn powers a synchronous intermittent feeding device to feed tube pieces piece by piece into a moulding seat from a storage rack, the same pulley system also actuates a flywheel, and this flywheel drives a gear system that then spins a crank shaft having two symmetrical crank arms, which in turn move two face to face arranged splines, then this two splines drive their respective gears engaged therewith, and these gears in turn actuate two L-shaped outward bending moulds to rotate; at the other end of the same crank shaft, it is provided with a bevel gear; engaged with another bevel gear system so to drive another crank shaft, in such a manner, these two crank shafts rotate synchronously in opposite directions; in the meanwhile the latter crank shaft drives a sliding seat, on which is provided with an inward bending mould, located in the opposite side of the two L-shaped oppositType: GrantFiled: March 13, 1987Date of Patent: August 16, 1988Inventor: Jun-Lang Zeng
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Patent number: 4728253Abstract: Feed bar advance and return driving apparatus for a transfer press. An upper slider is reciprocally vertically movable in the press crown in synchronization with the operation of the press, and a pinion rotatably mounted on the upper slider is rotated alternatingly in opposite directions with the upward and downward vertical movement of the upper slider. A drive rack vertically slidably supported on the upper slider is connected to the pinion at a position on the pinion which is eccentric to the axis of rotation of the pinion and is reciprocally vertically driven by the rotation of the pinion. The lower end of the drive rack extends downwardly and engages a drive pinion for rotating the drive pinion alternatingly in opposite directions during the reciprocal vertical motion of the drive rack.Type: GrantFiled: July 23, 1986Date of Patent: March 1, 1988Assignee: Aida Engineering, Ltd.Inventors: Susumu Oba, Kenji Kurishima, Masaharu Kusunoki, Tadao Odaka, Toshihiko Arai
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Patent number: 4696177Abstract: A method of forming a container in one or more double acting presses includes the steps of blanking, drawing an inverted cup and reverse drawing the inverted cup while retaining a flange thereon at a first station and then transferring the cup to a second station where the cup is drawn to an inverted configuration and then reverse drawn to form a finished container again retaining the flange throughout. The drawing operations at each station are performed in a single stroke of the press. The apparatus at the first station includes a blank and draw punch and a fixed, hollow die core ring with the punch telescoping over the ring to form the inverted cup and a draw horn telescoping within the ring to reverse draw the cup. The apparatus at the second station includes a hollow redraw sleeve and a pressure sleeve telescoping over the redraw sleeve to invert the cup and a profile punch telescoping within the redraw sleeve to reverse draw the cup.Type: GrantFiled: December 31, 1986Date of Patent: September 29, 1987Assignee: Redicon CorporationInventors: Joseph D. Bulso, Jr., James A. McClung
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Patent number: 4641515Abstract: An intermediate storage in a press in which intermediate storages are to be provided within the area of idling stages thereof. The intermediate storages include storage templates matched to the shape of the bottom side of the workpieces which are adapted to be liftable in the vertical direction by way of lifting means. The lifting means may thereby act on the storage templates in the sense of a lifting movement, for example, by way of intermediate members displaceable by a motor-driven spindle, which act on the storage templates in the sense of a lifting movement by way of counter-abutment surfaces disposed at the ends of the storage templates.Type: GrantFiled: March 11, 1985Date of Patent: February 10, 1987Assignee: L. Schuler GmbHInventors: Hermann Braun, Helmut Dumschat, Kurt Strommer, Sieghard Mueller
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Patent number: 4637243Abstract: A linkage for controlling the removal of a workpiece from a press by controlling the timing between the workpiece support apparatus and the ram as it is raised and lowered. The linkage is connected to the ram in such a manner that the supporting apparatus has an adjustable dwell which can be adjusted by adjusting the length of both the linkage as well as a rod connected between the ram and the linkage.Type: GrantFiled: September 3, 1985Date of Patent: January 20, 1987Inventor: Irvin D. Bond
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Patent number: 4634572Abstract: A system for automatically consolidating a plurality of metallic or ceramic (or mixtures thereof) powder preforms is disclosed. The system comprises an assembly container wherein a consolidation container is filled with hot consolidation particles for facilitating the consolidation, and a hot preform to be consolidated thereby. The atmosphere of the assembly container is maintained hot and inert or reducing during assembly of the consolidation charge. Further disclosed are means for automatically delivering the consolidation containers, consolidation particles and preforms to the assembly container. The system includes means for conveying the consolidation containers to a press for consolidation, for separating the containers from the consolidation particles and consolidated preform after pressing, and for recycling the consolidation particles and consolidation containers.Type: GrantFiled: October 25, 1984Date of Patent: January 6, 1987Assignee: Metal Alloys, Inc.Inventor: Robert D. Lichti
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Patent number: 4566306Abstract: A method and apparatus is provided wherein a pressed material is withdrawn from a lower metal mold in a press in accordance with a horizontal, pivotal movement and a vertical, linear movement of a carry-out arm, and a material to be pressed is fed from a preceding stage to the press in accordance with a horizontal, pivotal movement and a vertical, linear movement of a carry-in arm. In this method of feeding a material to be pressed, the height of a path along which the carry-out arm is turned is set greater than that of a path along which the carry-in arm is turned. The operations of the carry-in arm and carry-out arm are timed in such a manner that a material being newly fed and a pressed material being removed are overlapped as they are vertically spaced at a predetermined distance from each other, in a position above a lower metal mold in the press.Type: GrantFiled: March 8, 1984Date of Patent: January 28, 1986Assignee: Yugengaisha KyodogikenInventor: Masaru Orii
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Patent number: 4557125Abstract: An improved apparatus for on-line inspection of an intermediate-stage, headed, non-threaded blank for a threaded fastener is disclosed. If the blank fails to meet specifications, the production of blanks is terminated. Improvement features include a roll-sorter for testing all blanks to see if certain dimensional parameters of the blank's head are satisfied. Then, random chosen acceptable blanks are fed to a rotatable table which is constructed to receive a sample blank for movement of the blank to a test station where the blank is tested for other failures to meet dimensional specifications. The rotatable table is constructed to provide interchangeable elements thereof that will accept blanks of different head and stem sizes. Multiple adjustability is provided in the means for transferring blanks, that are first acceptable to the roll-sorter test, on to the rotatable table for further testing.Type: GrantFiled: June 20, 1984Date of Patent: December 10, 1985Assignee: Pioneer Screw & Nut Co.Inventor: Theodore R. Schaumburg
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Patent number: 4546633Abstract: An apparatus for conveying tubular or bar-shaped rolled stock is provided having a collecting device which collects pieces of tube or bars from a cooling bed in closely spaced pockets, a transverse conveying device having the same pocket spacing as the collecting device which picks the collected pieces from the collecting device and transports them to and deposits them on a longitudinal conveyor, by means of which the pieces of rolled stock are fed to a cutting device which has a clamping device also provided with the same pocket spacing as the collecting device and which cuts the stock into portions of predetermined length.Type: GrantFiled: September 27, 1984Date of Patent: October 15, 1985Assignee: Kocks Technik GmbH & Co.Inventors: Hans Brauer, Kurt Leeuwestein
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Patent number: 4524601Abstract: An automatic apparatus for downsetting lead frame strips includes a die set mounted in a punch press, two parallel guide rails for guiding the lead frame strips into the die set, a placing mechanism for placing lead frame strips onto the guide rails one at a time, a slide mechanism for advancing a lead frame strip along the guide rails and into the die set and for unloading a downset lead frame strip from the die set, a retractable stop and a slot in the die set for positioning the lead frame strip within the die set, and a stacker mechanism for neatly stacking downset lead frame strips on an output stack as they are unloaded from the die set.Type: GrantFiled: May 13, 1983Date of Patent: June 25, 1985Inventor: Carl E. Bernardi
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Patent number: 4507950Abstract: A conveying apparatus for extrusion profiles, is disclosed in particular, those formed of non-ferrous metal, such as aluminum or aluminum alloys, supplied from the runout conveyor of an extruder in a direction transversely of the longitudinal extension of the extrusion profiles to stations of further processing. The apparatus comprises transfer beams, oriented in conveying direction, which are designed for effecting lifting and lowering as well as transfer motions in and opposite to the conveying direction and preferably adapted to be driven by a common drive. The motions in question are controllable as to path length and/or sequence in time and duration, preferably in synchronism and at infinitely variable length in lifting and/or transfer direction.Type: GrantFiled: March 29, 1982Date of Patent: April 2, 1985Inventor: Friedrich W. Elhaus
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Patent number: 4484465Abstract: The braking channel comprises a fixed channel section for each strand of bars, provided with two open-bottom chambers which are normally covered up by the sliding surfaces of a pendulum structure, the effect of which will brake the bars and let them come to rest. For bar discharge on to the cooling bed, the pendulum structure is swivelled rhythmically toward the right and left to positions in which the discharge openings reach underneath a pair of chambers. The kinematic inversion could also be applied, in which case the sliding section would be in a fixed position and the channel sections would move in pendulum fashion.Type: GrantFiled: October 21, 1982Date of Patent: November 27, 1984Assignee: Mannesmann AktiengesellschaftInventor: Otto K. Buchheit
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Patent number: 4467631Abstract: Thin-wall sleeve splining apparatus (10) is disclosed as including a loader (22) having a radially expandable mandrel (24) which is inserted within a dual ended thin-wall sleeve (14) to secure the sleeve in preparation for splining one of its ends (12,16). A rotatable loading spindle (26) supports the expandable mandrel (24) and is moved by an actuator (28) to position the sleeve over a toothed mandrel (20) whereupon a pair of toothed dies (18) are moved in opposite directions to mesh die and mandrel teeth with the sleeve therebetween to form the thin-wall splines. After the splining, the actuator (28) moves the loading spindle (26) away from the toothed mandrel (20) for unloading of the splined sleeve. In the preferred construction of the apparatus, the toothed forming dies are embodied by elongated die racks (18) that are slidably mounted by upper and lower bases (32,34) of a splining machine (30).Type: GrantFiled: July 8, 1982Date of Patent: August 28, 1984Assignee: Anderson-Cook, Inc.Inventor: James T. Killop
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Patent number: 4334421Abstract: The discharge roll table comprises a plurality of rollers for receiving extruded bar or tube. A top cover extending along the table above the rollers is of substantially inverted V-shape cross section and is divided along the top edge into two half covers pivotable to the left and right of the table respectively. Each half cover is divided into cover sections aligned end to end and is connected at an angle to lifting devices arranged between the rollers. Thus the extruded product may be lifted to the left or right of the table, which may be substantially the same length as the extruded product.Type: GrantFiled: September 9, 1980Date of Patent: June 15, 1982Assignee: Schloemann-Siemag AktiengesellschaftInventors: Gunter Ostlinning, Alfred Steinmetz
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Patent number: 4308734Abstract: A detection device for positively sensing the ejection of a workpiece from a cyclically operating machine after each operating cycle assuring that no malfunction has occurred, enabling initiation of the next cycle. The device includes a chute having a pivotally mounted section in the floor of the chute which is moveable between a normally raised position and an actuated or lowered position responsive to the weight of an ejected workpiece thereon. Means are provided for sensing the actuated position of the moveable section and conveying a signal to the central control circuit of the machine. The central control circuit of the machine is programmed to prevent further operation if a signal is not received.Type: GrantFiled: April 18, 1980Date of Patent: January 5, 1982Assignee: Federal-Mogul CorporationInventor: Charles R. Senft
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Patent number: 4203314Abstract: A cyclically operable machine having a work station where a blank is deformed into a work product and in which the work product is ejected on to a conveyor oscillated between that station and another conveyor to which the work product is delivered synchronously.Type: GrantFiled: May 19, 1978Date of Patent: May 20, 1980Assignee: American Can CompanyInventors: Robert P. Vandlik, Frank J. Herdzina
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Patent number: 4068519Abstract: An unloader for a conventional press of the type having a reciprocable ram, the unloader including a drive rack positively reciprocated by the ram to drive the unloader in synchronization with press movement, a stationary support frame extending into the die area, and a tray movably mounted on the support frame. A pinion gear is driven by the drive rack to drive the tray between an extended position underneath the ram of the press and a withdrawn position out of the press die area. The pinion gear is mounted in a rocking yoke to maintain pitch line contact between the drive rack and the pinion gear. The support frame includes opposed tray guides each guide including upper and lower spaced apart rails and the tray is mounted to the frame by front and rear sets of rollers, three rollers in each set, with the rollers positioned between the rails.Type: GrantFiled: January 5, 1976Date of Patent: January 17, 1978Assignee: Kasle Steel CorporationInventor: B. E. Baringer
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Patent number: 4012938Abstract: A device for manipulating a hot blank relative to a forging tool in a drop hammer comprises a plurality of gripping jaws carried by a unit connected to a rotatable tongs arm, said jaws being pivotably mounted for selective movement through a limited arc toward and away from one another, and each of said jaws including a gripping claw adapted to be longitudinally displaced relative to its associated jaw. Movement of the tongs arm and associated movement of the gripping jaws and their respective gripping claws is employed to selectively position the several claws within cup-shaped recesses formed in the forging tool at positions underlying the flash of a hot blank in the tool. The unit further includes counter-holders which are positioned to overlie the forging tool in spaced relation to said flash whereby the simultaneous coaction between the gripping claws and blank and between the counter-holders and forging tool operate to break a forged blank loose from said tool.Type: GrantFiled: May 21, 1975Date of Patent: March 22, 1977Assignee: AB BoforsInventor: Karl Ivar Brandstrom
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Patent number: 4005596Abstract: An apparatus for hydraulic pressing of metals comprising a receiver of finished articles, made in the form of a framework of two tubes interconnected at the ends by arms. The framework is turned by a separate drive in a horizontal plane, whereby each tube is set to a position axially aligned with a hole in the die wherefrom a pressed article is released into the pipe. As a result, stop-pages for removal of finished articles are not required, and, hence, productivity of the apparatus is improved.Type: GrantFiled: April 7, 1975Date of Patent: February 1, 1977Inventors: Viktor Ivanovich Uralsky, Vadim Leonidovich Kolmagorov
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Patent number: 3952569Abstract: A method and apparatus are provided for winding long rod-like material, such as tubes, into coils by continuously coiling the material and depositing it into a rotating coiler adapted to collect a selected coil of material and then eject it into a delivery receptacle rotating in substantial synchronism with the coiler, stopping the delivery receptacle for removal of the ejected coil and then reaccelerating the delivery receptacle to substantially the speed of the coiler for receipt of the next completed coil.Type: GrantFiled: September 11, 1974Date of Patent: April 27, 1976Assignee: Firma Friedrich KocksInventor: Gunter Lauterjung
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Patent number: 3937057Abstract: A manipulator system for automatically feeding blanks into a gap press and for collecting finished articles therefrom has two major parts. The first part is a revolver table and the second part is an automatic handling device, or robot. The revolver table should be located between the press and the robot. It is stepwise rotatable around a vertical axis and has a number of arms each carrying a set of tools. The robot has at least two arms swingable around a vertical axis between positions for collecting blanks, for temporary holding of semiprocessed articles, as well as for placement of blanks and semifinished articles between selected tool sets on the arms of the revolver table and for sequential working in the press and for delivery of finished articles.Type: GrantFiled: August 29, 1974Date of Patent: February 10, 1976Assignee: AB CarboxInventor: Sten Trolle