Class / Patent application number | Description | Number of patent applications / Date published |
425546000 | With means to evacuate mold or provide controlled environment | 16 |
20080206392 | Production Process of Plastic Parts by Reaction Injection Moulding, and Related Head Device - The present invention relates to a process and device RIM involving a mixing chamber ( | 08-28-2008 |
20080206393 | Mold Device for Forming - Disclosed herein is a mold device for forming a product using molten molding material. In the present invention, parting surfaces ( | 08-28-2008 |
20090053354 | VENTING VALVE TO BE USED IN VENTING BORES OF VULCANIZATION MOLDS - Vent valve for venting bores of vulcanization moulds, especially for the tread profile area, consisting of a valve sleeve ( | 02-26-2009 |
20090053355 | Gas extraction method from mold cavity - A gas extraction method including: providing an injection mold apparatus ( | 02-26-2009 |
20090110767 | MOLD FOR INJECTION MOLDING - A mold for injection molding includes a male mold portion, and a female mold portion mating with the male mold portion to define a parting face therebetween. The female mold includes a mold cavity defined at the parting face, an injection aperture communicated with the mold cavity, an air channel defined at the parting face and evenly spaced from and partially surrounding the mold cavity, a spacing portion formed between the mold cavity and the air channel, and a gap formed between the male mold portion and the spacing portion for transmitting air from the mold cavity to the air channel during injection of molten plastic. When injecting molten plastic, air in the mold cavity can be expelled in time under pressure of the molten plastic and through the air channel. Therefore, the surface quality of the molded product can be improved, by avoiding formation of air holes, fissure. | 04-30-2009 |
20100203188 | INJECTION MOLDING MACHINE - According to one embodiment, an injection molding machine includes a first die and a second die, a driving mechanism configured to move the second die between the first position and the second position, a holder configured to hold a film for in-mold formation, the film including metallic sheets used for covering the surface of the molded product, and an electric discharge mechanism. The electrical discharge mechanism is moved to a contact position with movement of the second die from the first position to the second position, used as a driving source. The electrical discharge mechanism is moved to a retracted position with movement of the second die from the second position to the first position, used as a driving source. | 08-12-2010 |
20100272848 | INJECTION MOLD - An injection mold for molding a lens barrel is disclosed. The injection mold includes a female die, a male die and a screw die. The female die and the male die are correspondingly connected to two ends of the screw die. The female die, the male die and the screw die cooperatively define a mold cavity. The female die includes a female die plate and a female die core protruding from the female die plate. The male die includes a male die plate and a male die core protruding from the male die plate. The male die defines a through hole passing through the male die plate and the male die core. An air gap is formed between the distal ends of female die core and the male die core, the air gap is communicated with the mold cavity and the through hole. | 10-28-2010 |
20130142901 | MOLD WITH HIGH EXHAUST EFFICIENCY - A mold includes a first core and a second core matched with the first core. The first core includes a first die parting surface defining the molding cavity. The second core includes a second die parting surface facing the first die parting surface. A plurality of first exhaust grooves are defined in the first die parting surface. A plurality of transverse second exhaust grooves are defined in the second die parting surface. When the mold is closed, the first core and the second core cooperatively form at least one molding space. The first exhaust grooves are machining marks formed during the machining of the first core. The second exhaust grooves are machining marks formed during the machining of the second core. | 06-06-2013 |
20130224326 | INJECTION MOLD - An injection mold comprises a second die, a first die engaging with the second die, and an inclined pin. The first die defines an inclined pin hole. The inclined pin fixed in the inclined pin hole of the first die. The first die comprises a mold core on the first die. The mold core comprises two opposite ends. Each end defines a first exhaust groove. The inclined pin head comprises a second exhaust groove, a recessed portion, and a third exhaust groove. The second exhaust groove, the recessed portion, and the third exhaust groove communicate with the first exhaust groove. The injection mold further comprises a diverting groove located between the inclined pin and the first die, and a guide groove allows the third exhaust groove communicate with the diverting groove. | 08-29-2013 |
20130251841 | Mold Valve - There is provided an improved valve mechanism for use with a casting or injection mold which is quick acting and simple to construct. The valve includes an inlet coupled to the mold cavity and an outlet for venting gas from the mold cavity. The valve further includes a closure oriented perpendicularly to the inlet and movable between open and closed positions for closing off the outlet. The closure has a central axis and the valve is configured to move the closure into the closed position by directing the melt passing through the inlet to impinge substantially coaxially upon the closure so as to transfer a majority of the momentum of the melt to the closure. | 09-26-2013 |
20140220173 | UNIVERSAL HARDWARE PLATFORM AND TOOLSET FOR OPERATING AND FABRICATING MICROFLUIDIC DEVICES - A microfluidic device platform may include a valve manifold adapted to deliver a programmable pressure to a plurality of ports, a cell chamber having programmable environmental control, and a chip-to-world interface. | 08-07-2014 |
20140255535 | VALVE ASSEMBLY FOR INJECTION MOLDING MACHINE - A valve assembly for use with a part handling assembly of an injection molding machine includes a housing having a first tooling port for fluid communication with a first set of receivers on the part handling apparatus and a second tooling port for fluid communication with a second set of receivers on the part handling apparatus. First and second vacuum channels extend through the housing and are provided with respective first and second vacuum closure members to provide selective fluid communication between a vacuum source and the first and second tooling ports, respectively. First and second pressure channels extend through the housing and are provided with respective first and second pressure closure members to provide selective fluid communication between a pressurized fluid source and the first and second tooling ports, respectively. The first pressure closure member is moveable independently from the first vacuum closure member, and the second pressure closure member is moveable independently from the second vacuum closure member. | 09-11-2014 |
20150086672 | MOLDING SYSTEM HAVING A RESIDUE CLEANING FEATURE AND AN ADJUSTABLE MOLD SHUT HEIGHT - A method is provided of cleaning of a portion of a mold component, the portion of the mold component including a passage configured, in use, to allow passage of fluid and to prevent passage of melt, the method comprising: entering the mold component into a cleaning configuration, whereby a portion of the passage becomes part of a molding surface; performing a molding cycle to fill in at least the portion of the passage with molding material for incorporation and removal of a residue there from. Also provided is a mold having a first mold half and a second mold half, the halves being movable relative to each other. A mold shut height adjustment apparatus can provide for a change in the mold shut height | 03-26-2015 |
20150110916 | MOLDING APPARATUS - Disclosed herein is, amongst other things, a mold stack that includes a core insert, a core ring, and a split insert that are configured to cooperate, in use, to define a molding cavity. The core insert defines a ring seat on a medial portion thereof upon which the core ring may be seated, in use, in cooperation with a mounting interface thereon. The split insert defines a pocket that extends coaxially through a second projecting portion thereof within which to receive a projecting portion of the core ring. The core ring and the split insert being further configured to define a core ring-to-split insert parting line that is within the pocket of the split insert. The core ring further defines a first split insert seat for receiving the second projecting portion of the split insert. | 04-23-2015 |
20160001479 | INJECTION MOLDING APPARATUS FOR STRUCTURED OPTICAL PARTS - The injection molding apparatus is provided for making highly accurate optical parts having structured reflective or deflecting optical surfaces. The apparatus includes a removable mold insert made of two or more mold insert segments. The mold insert segments are juxtaposed at mating lateral planar surfaces to form a reversed structured surface. The mold insert segments also includes a gas venting circuit having conduits formed when the mold insert segments are juxtaposed. A cooling circuit is provided in the mold insert segments. | 01-07-2016 |
20160067895 | MOLDING SYSTEM HAVING A RESIDUE CLEANING FEATURE AND AN ADJUSTABLE MOLD SHUT HEIGHT - A method is provided of cleaning of a portion of a mold component, the portion of the mold component including a passage configured, in use, to allow passage of fluid and to prevent passage of melt, the method comprising: entering the mold component into a cleaning configuration, whereby a portion of the passage becomes part of a molding surface; performing a molding cycle to fill in at least the portion of the passage with molding material for incorporation and removal of a residue there from. Also provided is a mold having a first mold half and a second mold half, the halves being movable relative to each other. A mold shut height adjustment apparatus can provide for a change in the mold shut height. | 03-10-2016 |