Class / Patent application number | Description | Number of patent applications / Date published |
425552000 | Cooling means for female mold | 25 |
20090028985 | Baffle for Coolant Passages in Plastic Injection Molds - An baffle plug comprising a base and a blade extending therefrom. The baffle plug is used in a bore to divide the bore into longitudinally extending passages and cause the liquid to flow serially back and forth through the bore. The blade may comprise various fluid directing structures providing for efficient fluid flow across the surfaces of the blade. The blade may also comprise one or more structures which create turbulent flow of the fluid flowing across the surface of the blade. | 01-29-2009 |
20090068307 | Mold Insert and Mold Stack for Use with Molding Machine - Disclosed are a mold stack of a molding machine. A cavity insert is provided. The cavity insert comprises a body having: an internal surface defining, in use, at least a body portion of a molding cavity; an external surface defining, in use, at least a first portion of a cooling channel configured, in use, to direct a flow of coolant; and a mounting flange configured to support, in use, the body relative to a front face of a cavity plate, the mounting flange including a member configured to define, in use, a second portion of the cooling channel. | 03-12-2009 |
20090246312 | INJECTION MOLDING DEVICE - An injection molding device for thermosetting molding materials includes a male mold portion, and a female mold portion. The male mold portion includes an injection aperture and a sprue communicated with the injection aperture. The female mold portion is mated with the male mold portion to define a parting face therebetween and includes a cold slug well and a main runner. The cold slug well is disposed at an opposite end of the sprue relative to the injection aperture and has at least two inner sidewalls perpendicular to each other. The main runner is defined in the parting face and commutating with the sprue. The refractive index of the products molded using the injection molding device may be obtained via directly measuring that of the cold slug after molding. Therefore, the time spent to measure the refractive index of the products is less than the conventional method. | 10-01-2009 |
20090291161 | Mold Assembly - A mold assembly comprising a mold, an insert block assembly | 11-26-2009 |
20090304848 | Two-Piece Bottom Insert - A bottom insert for an injection mold, which insert is of a two-part configuration having a hot part which has a recess of the hot side and a cold part which has a recess of the cold side, wherein the cold part is arranged at least partially within the hot part so that the hot part at least portion-wise surrounds the cold part. The two parts of the bottom insert are preferably separable and the. hot part preferably has an opening in opposite relationship to the recess of the hot side for receiving the cold part. Further, the cold part and the hot part are desirably sealed off relative to each other, desirably by O-rings. In general, all surfaces which are provided for contact with the molding to be produced are arranged at the cold part. An insulating coating, an insulating membrane and/or a spacing element is desirably provided at the contact surface between the hot part and the cold part. | 12-10-2009 |
20100297287 | Mould cavity with decoupled cooling-channel routing - A cavity member for a mold cavity structure for the production of hollow body moldings, wherein the cavity member has a substantially hollow-cylindrical element, wherein a cooling passage is provided at the outside of the hollow-cylindrical element. To provide a cavity member which is simple to manufacture and which permits more effective cooling of the cavity member it is proposed in accordance with the invention that there are provided one or more guide elements for forming the cooling passage, wherein the guide elements and the hollow-cylindrical element are in the form of separate parts. | 11-25-2010 |
20110045120 | RESIN INJECTION MOLD - Disclosed is a mold for resin injection molding that can realize rapid heating or cooling. A resin injection molding mold includes a cavity mold and a core mold and is produced on a base plate by metal photofabrication. The cavity mold is provided with a cavity warm water circuit for allowing warm water for heating to flow and a cavity cold water circuit for allowing cold water for cooling to flow. The core mold is also provided with a core warm water circuit and a core cold water circuit. The core mold includes an air blowing passage for feeding warm air or cold air into a resin molding part and a suction passage ( | 02-24-2011 |
20110052748 | Mould cavity with decoupled cooling-channel routing - The present invention relates to a cavity for a mould-cavity system for the production of hollow mouldings, where the cavity ( | 03-03-2011 |
20110064842 | COOLING DEVICE FOR MOLDING APPARATUS - A cooling device includes a housing and a die. The housing includes a top, a bottom, and a plurality of sidewalls interconnecting the bottom and the top. Two opposite sidewalls of the housing respectively defines a plurality of first inlets and outlets. The die is received in the housing and defines a plurality of first passages spanning opposite side surfaces, and the first passages are aligned with the first inlets and the outlets of the housing. A second passage is defined between the die and the sidewalls of the housing. The first and second passages are configured for conducting the cooling fluid to cool the die. | 03-17-2011 |
20110135780 | MOLD ASSEMBLY - A mold assembly includes a mold moving half, at least one heat sink positioned on the mold moving half, and a plurality of heat pipes positioned on the mold fixed half and on the at least one heat sink. The at least one heat sink includes a plurality of parallel fins. The plurality of parallel fins is secured to the heat pipes with the heat pipes passing therethrough. The heat pipes are capable of moving together with the mold moving half. | 06-09-2011 |
20120301572 | Compression Molding with Successive Stage Cooling Channels - Various embodiments provide methods and apparatus for cooling a mold in a compression or injection molding assembly, thereby enabling increased cycling speed and efficiency. Embodiments include a coolant flow path that transports a fluid coolant into and out of a cooling ring around the molding assembly's core. The coolant flow path may divide into several channels within the cooling ring. The coolant flow path may also include a series of stages with varying volumes or cross sectional areas designed to regulate the flow of coolant. | 11-29-2012 |
20120315351 | WELDLESS-TYPE INJECTION MOLD APPARATUS - A weldless-type injection mold apparatus is provided. The weldless-type injection mold apparatus includes an upper mold, a lower mold engaged to the upper mold to form a cavity for injection-molding of products, a heating unit formed on one side of the cavity of at least one of the lower and upper molds to heat a resin injected into the cavity, a first cooling unit formed at the at least one of the lower and upper molds to prevent the injection mold from being over-heated, and a second cooling unit installed between the heating unit to cool an area surrounding the cavity and an injection-molded product. | 12-13-2012 |
20130071511 | METHOD OF MANUFACTURING A MOLD WITH CONFORMAL COOLING PASSAGES AND MOLD MANUFACTURED ACCORDING TO SAID METHOD - A method of producing at least one conformal cooling passage in a part-producing mold, and a mold provided with such a conformal cooling passage(s). A conformal cooling passage is produced by creating an open channel in a molding surface of a mold of interest, the channel substantially conforming to the contour of the molding surface. A bridging weld formed from a plurality of connected weld beads is generated in the channel so as to span and seal the channel while enclosing an open passage in the bottom thereof. The remainder of the channel above its bridging weld is filled, such as by welding, and an exposed portion of the fill material in the channel may be subsequently shaped to conform with the contours of the molding surface surrounding the channel. A sub-surface conformal cooling passage is thus formed in the mold. | 03-21-2013 |
20130224327 | Injection Mold Having a Simplified Cooling System - An injection mold assembly for a high output consumer product injection molding machine, the injection mold assembly having a simplified cooling system. The simplified cooling system has a cooling complexity factor of less than three, preferably less than two, more preferably less than one. | 08-29-2013 |
20130295219 | Injection Mold Having a Simplified Evaporative Cooling System or a Simplified Cooling System with Exotic Cooling Fluids - An injection mold assembly for a high output consumer product injection molding machine, the injection mold assembly having a simplified cooling system that is an evaporative cooling system or a cooling system including a hazardous, dangerous, or expensive cooling fluid. The simplified cooling system has a cooling fluid channel that is confined to a mold support plate. | 11-07-2013 |
20130295220 | Injection Mold Having a Simplified Evaporative Cooling System - An injection mold assembly for a high output consumer product injection molding machine, the injection mold assembly having a simplified cooling system that is an evaporative cooling system or a cooling system including a hazardous, dangerous, or expensive cooling fluid. The simplified cooling system has a cooling fluid channel that is confined to a mold support plate. | 11-07-2013 |
20140087017 | INJECTION MOLD APPARATUS WITH COOLING AND HEATING PASSAGE - The present invention is on injection mold with cooling and heating passage which can form cooling and heating passage close to forming space in the inside of mold body and easily design cooling and heating passage in forming space with complicated trajectory. Injection mold with cooling and heating passage consists of lower mold and upper mold forming blowed forming space by combining said lower mold on the top of said lower mold, provided that said lower mold or said upper mold consists of mold body in which forming space is created on one side so that melted resin is injected and formed; connecting groove depressed towards said forming space from the opposite side of the side with said forming space created; and sealing kit which is inserted into said connecting groove in separation from the end of forming space of said connecting groove and creates cooling and heating passage | 03-27-2014 |
20140113021 | INJECTION MOULD COMPONENT FOR PREFORMS MADE OF PLASTIC MATERIAL - An injection mould component for moulding the outer surface of a preform neck, which allows improved cooling of the preform neck inside the mould, while at the same time reducing the mould cycle time. A related production process of said injection mould component, which allows the section of the cooling channels to be optimised, determining a more effective cooling, is also described. | 04-24-2014 |
20140127347 | INJECTION MOLD DEVICE AND INJECTION MOLDING MACHINE - A first fitting surface | 05-08-2014 |
20140147546 | Device for Demoulding Pieces - A device for demoulding pieces in a mould comprises a skid comprising a slider for housing a figure insert for moulding of a negative of the piece to be moulded, said slider being associated with a pushrod that can move said slider to an ejection position of a piece to be moulded pushing at least one ejection plate, and it is characterized in that said pushrod is placed substantially perpendicular with respect to said at least one ejection plate. Due to this substantially vertical arrangement of the pushrod the construction of the mould is simplified, minimizing the width needed for placing the device inside the mould. | 05-29-2014 |
20140154351 | Injection Mold Having a Simplified Cooling System - An injection mold assembly for a high output consumer product injection molding machine, the injection mold assembly having a simplified cooling system. The simplified cooling system has a cooling complexity factor of less than three, preferably less than two, more preferably less than one. | 06-05-2014 |
20150064303 | Injection Mold Having a Simplified Evaporative Cooling System or a Simplified Cooling System with Exotic Cooling Fluids - An injection mold assembly for a high output consumer product injection molding machine, the injection mold assembly having a simplified cooling system that is an evaporative cooling system or a cooling system including a hazardous, dangerous, or expensive cooling fluid. The simplified cooling system has a cooling fluid channel that is confined to a mold support plate. | 03-05-2015 |
20160089825 | CELLULAR MATERIALS BASED MOLDS WITH LOWER CYCLE TIME - A mold comprising a scaffolding support structure including a base member, a top member and side members defining an enclosure. The scaffolding structure further includes a plurality of interconnected and elongated support members interspersed within the enclosure between the base member and the top member so as to define open space within the enclosure for ease of heating and cooling fluid flow, and a plurality of flow partitions within the enclosure. An intermediate layer is formed on the top member and a working surface layer is formed on the intermediate layer. | 03-31-2016 |
20160193769 | Cavity Assembly for a Preform Molding System | 07-07-2016 |
20170232650 | INJECTION MOLD AND DEVICE FOR PREPARATION OF LIGHT GUIDE PLATE | 08-17-2017 |