Class / Patent application number | Description | Number of patent applications / Date published |
425595000 | With means to lock mold in closed position | 19 |
20090011072 | Clamp Piston Assembly with Mold Break Function - A self-positioning clamp piston assembly ( | 01-08-2009 |
20090011073 | STATIONARY PLATEN OF INJECTION MOLDING MACHINE - A stationary platen of an injection molding machine is composed of a mold mounting plate, a tie-bar connecting member, and a mold clamping force transmission plate. The mold mounting plate is formed of a planar portion for mold fixing and a cylindrical connecting portion that extends from the planar portion and passes through a central through hole of the tie-bar connecting member. The mold clamping force transmission plate connects the cylindrical connecting portion of the mold mounting plate and the tie-bar connecting member with a predetermined gap therebetween lest the connecting member and the mounting plate come into contact and interfere with each other. | 01-08-2009 |
20090022845 | Compensating Retaining Member for Use with a Molding System and the Molding System Incorporating Same - Disclosed are a compensating retaining member for use with a molding system and the molding system incorporating same. A retaining structure for use in a molding system, the retaining structure configured to cooperate with a slide that is configured to receive, in use, a split mold insert coupled to the slide, is provided. The retaining structure comprises a body defining a relief element configured to provide a degree of flexibility to the body. | 01-22-2009 |
20090169674 | Injection Molding Machine - The injection molding machine has a fixed platen and a movable platen for fixing a pair of molds; a pair of clamp plates mounted to the fixed platen and the movable platen, respectively, and having a fixation surface for mold fixation, respectively; and magnetic force generation mechanisms for generating a magnetic force for fixing the molds to the fixation surfaces, and, an air-gap formation means for automatically forming air-gaps between the fixation surfaces and the molds in association with the movement start of the movable platen while the magnetic force generation mechanisms are inactivated for detaching the molds from the fixation surfaces is provided at least in one of the clamp plates. | 07-02-2009 |
20100040726 | MOLD FOR IN-MOLD COATING FORMATION - The mold for in-mold coating formation is one including a mold main body | 02-18-2010 |
20100166909 | Mold clamping mechanism and injection-molding method - It is an object of the present invention to provide a mold clamping mechanism and an injection-molding machine that use a structure eliminating a die plate for clamping a mold to realize a compact structure and can shorten a molding cycle of a resin molded product by carrying out a mold clamping operation and an operation for releasing the mold clamping operation at higher speed. | 07-01-2010 |
20110236527 | LOCKING DEVICE FOR AN INJECTION MOLDING MACHINE - A combination comprises first and second platens of an injection molding machine, a tie bar extending from the second platen to the first platen, and a locking device for releasably securing together the tie bar and the first platen. The locking device includes: a) a housing extending along an axis coaxial with the tie bar and including a first bearing surface affixed to the first platen; and b) a lock nut received in the housing and rotatable within the housing about the axis between locked and unlocked positions, the lock nut comprising an inner bore with radially inwardly projecting engagement elements that engage the tie bar when in the locked position to transfer an axial clamp load from the tie bar to the lock nut, the radially inwardly projecting engagement elements provided along a first axial extent of the lock nut and defining a tie bar engagement portion; an outer surface with at least a first step face for abutting the first bearing surface to transfer the axial clamp load from the lock nut to the first platen, the first step face having a first radially outer extent; and the lock nut including a narrowing section having a second axial extent bounded by a first position proximate the first step face and a second position spaced axially from the first step face in a direction towards the second platen, wherein the outer surface has a first diameter at the first position and a second diameter at the second position, the first diameter being less than the first radially outer extent and greater than the second diameter. | 09-29-2011 |
20110268834 | INJECTION MOLDING MACHINE WITH OFFSET MOVING PLATEN ACTUATOR - An injection molding machine comprises a first platen and a second platen, the first platen movable relative to the second platen in an axial direction between open and closed positions, and a plurality of tie bars extending generally between the first and second platens for coupling together the first and second platens. At least a first locking device is mounted to the first platen and associated with a first one of the tie bars for selectively locking and unlocking the moving platen relative to the tie bar. At least a first clamping mechanism is mounted to the second platen and associated with the first tie bar, the clamping mechanism including clamp and unclamp chambers on either side of a piston for moving the piston towards clamp and unclamp positions to exert a clamping force and a mold break force, respectively. The machine further includes a traverse actuator comprising one or more linear actuators coupled to at least one of the first and second platens for effecting said movement of the first platen relative to the second platen between the open and closed positions, the one or more linear actuators together being free of provision for applying a mold break force to the platens. | 11-03-2011 |
20120258193 | PARALLELISM CONTROL APPARATUS FOR MOVING PLATEN OF ELECTRICALLY DRIVEN INJECTION MOLDING MACHINE - Provided is a parallelism control apparatus of a movable platen of an electric injection molding machine, to which a new arrangement type using a wedge to control the parallelism of a movable platen is applied to reduce the size of the parallelism control apparatus, ensure an installation space, and solve a difficulty during installation, which ensures rigidity of the movable platen in directions of forward and rearward movements, and enables parallelism adjustment and firm position fixing by controlling a vertical amount, a horizontal amount, and a combination of vertical and horizontal amounts even in a narrow space, thereby further enhancing precision and quality reliability of molded products. | 10-11-2012 |
20120288584 | TOGGLE TYPE MOLD CLAMPING DEVICE - In a toggle type mold clamping device including a plurality of link units, a coupling portion of a first link coupled with a toggle driving link is provided on an outer side of an area between a coupling portion of the toggle driving link coupled with a crosshead and a center line of the first link. Furthermore, the first link has a structure in which two members arranged in parallel are coupled and integrated with each other and a space through which the toggle driving link passes is formed between the two coupled members. | 11-15-2012 |
20130115327 | RETAINING MEMBER FOR USE WITH A MOLDING SYSTEM AND THE MOLDING SYSTEM INCORPORATING SAME - There is provided a retaining member ( | 05-09-2013 |
20130129858 | DIE CLAMPING DEVICE FOR INJECTION MOLDING MACHINE - Breakage of the actuator moving the movable platen in the clamping device of an injection moulder is prevented. The clamping device includes a movable platen shifting device increasing and decreasing a horizontal distance between the movable platen ( | 05-23-2013 |
20130183398 | SPACER MOLDS WITH RELEASABLE SECUREMENT - A mold for forming a temporary prosthesis has at least two mold members at least partially separable from each other. The at least two mold members cooperatively define a generally enclosed interior cavity for forming the temporary prosthesis. The mold has a securement structure mounted on the at least two mold members for securing the at least two mold members to each other during the forming of the temporary prosthesis. The securement structure is removable from the at least two mold members by hand and without the use of a tool. | 07-18-2013 |
20130243902 | Locking Device for Columns of Moulding Presses - A locking device for columns of presses with two pairs of locking clamps, wherein the locking clamps of one or both the pairs are mechanically connected to each other through at least one mechanism suited to guide in a synchronized way the relative translational motion of the two locking clamps of the same pair, and wherein the guide mechanism is integral with the moving plane in at least one fixed point, thus guaranteeing the symmetry of the motion of the locking clamps) with respect to the fixed point. | 09-19-2013 |
20130337104 | Interrupted Ring Gate Molding Apparatus - A molding apparatus includes a plurality of inter-engaging mold cavity components and a plurality of inter-engaging gate inserts that combine with the plurality of inter-engaging mold cavity components to define an annular mold cavity. The plurality of inter-engaging gate inserts combine to define a plurality of separate arcuate shaped gate segments that each communicate with the annular mold cavity. | 12-19-2013 |
20130344192 | MOLD CLAMPING DEVICE - A mould clamping device for an injection-molding machine includes a fixed platen, a movable platen, pressure pads for generating a clamping force, and a spindle drive for moving the movable platen. The spindle drive has a non-rotating spindle shaft and a spindle nut which can be rotationally driven by a motor. The spindle shaft has a threaded portion in engagement with a matching thread of the spindle nut. To permit a free relative movement between the spindle drive and the movable platen, a piston-cylinder unit is in operative connection with the spindle drive and has on both sides of the piston pressure medium spaces, which can optionally be hydraulically blocked or connected to one another. In the latter state, the spindle drive is decoupled from the movable platen and freely floating with respect to it. | 12-26-2013 |
20140363535 | LOCK MEMBER FOR AN INJECTION MOLDING MACHINE - A lock assembly for releasably coupling a platen to a tie bar of an injection molding machine includes first and second lock nut segments translatable in a transverse between locked and unlocked positions for respectively engaging and disengaging the tie bar, and a carrier assembly for coupling the lock nut segments to the platen. The carrier assembly provides a slide surface for slidably supporting the lock nut segments during the translation of the lock nut segments between the locked and unlocked positions, and the carrier assembly resiliently supports the slide surface for axial movement of the slide surface with the lock nut segments between an unloaded position in which the lock nut segments are spaced away from the platen by a clearance gap, and a loaded position in which the lock nut segments bear against the platen. | 12-11-2014 |
20150125567 | MOLD MOUNTING PLATEN FOR INJECTION MOLDING MACHINE - In a mold mounting platen for an injection molding machine, at least one of a mold mounting member and a clamping force transmission member constituting the mold mounting platen has a central bearing surface in a central portion thereof and a peripheral bearing surface outside the central bearing surface. The amount of protrusion of the central bearing surface is larger than that of the peripheral bearing surface. | 05-07-2015 |
20160059460 | LOCKING MECHANISM FOR AN INJECTION MOLD - A locking mechanism for an injection mold including a mold cavity, a mold core moveable between an open position and a closed position. The locking mechanism including a first locking structure rigidly coupled to and moveable with the mold core, a second locking structure coupled to the mold cavity and configured to selectively engage the first locking structure and moveable between a locked position and an unlocked position, and an actuator selectively actuating the second locking member between the locked position and the unlocked position. | 03-03-2016 |