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| Number | Title | Issue Date |
| 7631851 | High volume vacuum/vent block for molding and casting systems A gas purging block for use with injection molding and die casting systems comprises a stationary-side block for connecting to a stationary mold or die half, and a movable-side block for connecting to a movable mold or die half. The stationary-side block comprises a... | 12/15/2009 |
| 7360749 | Rubber molded article vulcanizing mold, and method for cleaning the same Semi-circular cover members 17 and 17 having a spring function for opening and closing the openings of pores 15S are provided on the cavity inner wall side of a porous air vent 15 in order to close the openings of the above pores 15 | 04/22/2008 |
| 7341687 | Method of forming a golf ball The present invention is directed to an apparatus and method for venting trapped air and gasses in a mold. The mold and method comprise or use at least one pin formed from multiple pin sections. When assembled, the pin sections provide space on the interior of the p... | 03/11/2008 |
| 7331561 | Method and an apparatus for selectively releasing air from a mold A method and an apparatus 10 for selectively venting air 98 from the internal cavity 94 of a mold 90. Particularly, the apparatus 90 includes a body 12 having a selectively movable member 30 whose position within the ... | 02/19/2008 |
| 7287975 | Resin mold material and resin mold A resin mold material includes one-dimensional communicating holes extending substantially linearly from a mold surface and having diameters from 1 nm to less than 10 μm; a surface layer including the mold surface and the one-dimensional communicating holes; a supp... | 10/30/2007 |
| 7255320 | Mold for a plastic filter A mold, for molding a cylindrical filter having a narrow-pitched mesh structure through resin injection molding, has a cavity divided into sections radially freely attachable/detachable. The sections of the cavity being formed as stacked assemblies bodies each havin... | 08/14/2007 |
| 7252496 | Injection molding machine In an injection molding machine 1 for supplying clean air 10 to a die 8 in a direction perpendicular to a direction that opens/closes the die 8, in order to effectively pass the clean air 10 through an opened space in the die 8 | 08/07/2007 |
| 7252488 | Forming mold A mold used to form a rubber or resin article which includes a shaping surface for shaping a surface of an object to be molded, and a vent structure for releasing air between the shaping surface and the surface, wherein the vent structure includes EDM vents each hav... | 08/07/2007 |
| 7195473 | Railroad tie and method for making same Thermoplastic polymers, rubbery polymeric components and reinforcing fillers are mixed and heated to a range of 380° F. to 440° F. The resulting mixture is then fed into a BANBURY mixer, with the resulting mixture fed into a diverter feeding two molds. The velocit... | 03/27/2007 |
| 7178779 | Resin molding die and production method for semiconductor devices using the same A resin molding die includes: a cavity; a resin inlet through which a liquid resin to be cured is injected into the cavity; and an air vent through which air is released to an exterior space of the resin molding die during injection of the resin, the air vent being ... | 02/20/2007 |
| 7134637 | Vacuum and vent block for use with molding and casting systems The present invention relates to a gas purging block for use with injection molding and die casting systems, which includes a stationary-side block adapted to be removably mounted to a stationary-side mold half of the injection molding or die casting system, and an ... | 11/14/2006 |
| 7131625 | Ejector pin and method An insert for a mold comprising a plug, having an insert face, and a receiver defined by a sidewall with one of the plug and the receiver having a groove that receives a guide that extends from the other of the plug and the receiver so as to facilitate rotation of t... | 11/07/2006 |
| 7118649 | Device and method for manufacturing speaker diaphragm, the diaphragm, and speaker A loudspeaker diaphragm manufacturing apparatus of the present invention comprises; a paper tank, a pulp dispersion reservoir tank connected to the paper tank, a stirring means provided in the paper tank, a water inlet unit connected to the paper tank, a drain unit ... | 10/10/2006 |
| 7114944 | Tactical venting A method of venting a rotational mold at a predetermined condition by actuating an actuating venting assembly pierces the shell of the molded article and introduces a passageway to relieve pressure during the molding cycle. The actuating venting assembly enables a t... | 10/03/2006 |
| 7059845 | Moulding element for forming articles by slip casting with clay or the like and a method for its manufacture The element has at least one porous permeable impression surface, on which the clay slip is deposited. A drainage system for the slip fluid is provided having a relatively thin, empty or porous chamber in the form of a slab which is incorporated into the body of the... | 06/13/2006 |
| 7021914 | Tire mold A tire mold including a molding face for shaping the outside of a tire and a vent structure, wherein the vent structure contains a hole having an opening in the molding face, an inserted piece disposed in the hole so that the surface of the inserted piece defines a ... | 04/04/2006 |
| 6994815 | Method and apparatus for moulding pastes and slurries A high strength lightweight product formed from particulate inorganic materials such as a masonry building block is formed in a mould (1) from a flowable slurry of inorganic particularly materials and water. The interior of the mould is lined with perforate w... | 02/07/2006 |
| 6929233 | Mold and method for casting ophthalmic lenses This invention relates generally to opthalmic molds and methods useful for casting opthalmic moldings. In one aspect, the invention relates to a mold for casting an opthalmic molding formed from a first mold half detachably affixed to a second mold half, whereby the... | 08/16/2005 |
| 6916392 | Producing and servicing insulating glass units The invention provides methods of producing and servicing insulating glass units. Methods are provided for reducing the pressure differential on an IG unit, for changing the interior pressure within an IG unit, and for changing the gaseous interior composition withi... | 07/12/2005 |
| 6871831 | Mold vent A vent for a mold having a mold cavity comprises a valve member housed within a main body sleeve and reciprocally moveable therein in an axial direction between open and closed positions. The sleeve is mounted within a mold wall and contains an expansion agent such ... | 03/29/2005 |
| 6857248 | Panel, a kit and a method for forming a masonry wall A panel for forming a masonry wall on a building surface, comprising a back face for covering the building surface, opposite edges and a front face with a predetermined pattern of first and second depressions. The first depressions are shaped and sized for receiving... | 02/22/2005 |
| 6830095 | Casting mold plug A plug for sealing and resealing the passages for heating and cooling liquid in a casting mold. The plug includes a stainless steel socket head NPT plug which is screwed into the passage to seal it. Inboard of the plug there is mounted a resilient expandable silicon... | 12/14/2004 |
| 6817848 | Mold for molding a tire A mold for molding a tire is provided, including at least two sub-molds that form a predetermined form as a whole when used for molding a tire. Each of the sub-molds has a venthole for discharging air from blockades formed between the surface of a green tire and tha... | 11/16/2004 |
| 6808376 | Vulcanization mold for the manufacture of technical rubber products and a blocking member for use therein A vulcanization mold is described for the manufacture of technical rubber products comprising a plurality of vent bores in which a blocking member is mounted which consists of a central body and a sealing part coupled to it which together form at least one angled fl... | 10/26/2004 |
| 6789591 | Pneumatic tire A pneumatic tire comprises a tread portion, a pair of sidewall portions, a pair of bead portions each with a bead core and a bead apex therein, each sidewall portion provided on the outer face with means of escaping air between the tire and a mold for vulcanizing th... | 09/14/2004 |
| 6660216 | Methods and apparatus for blow molding using micrograined patterns Processes and apparatus for blow molding include a mold surfaces having micrograined patterns to improve venting and surface finish. The micrograined patterns are preferably in the form of projections that define between them a network of interconnected c... | 12/09/2003 |
| 6582562 | Mold with integral screen and method for making mold and apparatus and method for using the mold A mold with integral screen comprising a body of material having a surface, the body has a grid-like pattern of vacuum holes extending through the body of material and opening through said surface and permitting a vacuum to be supplied to said surface, a ... | 06/24/2003 |
| 6561779 | Tire vulcanization mould with blocking members mounted in venting bores The invention relates to a vulcanization mold for producing rubber goods, especially vehicle tires. The mold has a number of deairing holes into which blocking mechanisms are introduced. The blocking mechanisms ensure, especially by means of the air duct ... | 05/13/2003 |
| 6547547 | Apparatus for molding composite foam molding element Apparatus for integrally molding articles with a foam member, including a charger for supplying raw material beads made of resin to a die cavity containing articles for integral molding with foam, a plurality of work piece nozzles each having a nozzle ope... | 04/15/2003 |
| 6405993 | Lens mould A cast mould for use in the manufacture of a contact lens by the polymerisation of a flowable precursor comprises a female mould part and a male mould part. The female mould part has a concave first surface region adapted to receive the flowable precursor... | 06/18/2002 |
| 6367765 | Mold vent A vent, system and method for controlling flow of fluid into and out of a mold cavity. The vent has a plurality of passages that each have narrow oblong slot-shaped openings in the mold cavity and which each expand in size in a direction leading away from... | 04/09/2002 |
| 6361723 | Process and device for manufacturing polyurethane foam moldings A process and device are disclosed for manufacturing foam moldings. The parting plane of the mold has a circumferential vacuum channel, the top mold half has a suction channel for quickly evacuating the mold and self-closing expansion channels are arrange... | 03/26/2002 |
| 6352659 | Vented mold and method for producing a molded article A mold (100) for producing foamed articles is described. The mold comprises an upper mold and a lower mold (102) releasingly engageable in a closed position to define a mold cavity (106) having a parting line about a periphery of the mold cavity. The part... | 03/05/2002 |
| 6280176 | Vent tube system A vent tube assembly is disclosed for use in a vent hole commonly found in metal molds which are used to produce, by rotational molding processes, a wide variety of plastic goods. The main body of the vent tube assembly is produced from a heat resistant, ... | 08/28/2001 |
| 6206336 | Venting of molds A mold shell having a hole which extends from the molding surface through said shell up to the outside of said mold. The hole is closed by a plug having a completely air-tight end face which is flush with the molding surface so as to constitute a portion ... | 03/27/2001 |
| 6155812 | Cement mold for a temporary implant A cement mold for use in forming a temporary orthopedic implant used in an orthopedic surgical procedure. The cement mold includes a first mold to define a first portion of the temporary implant and a second mold to define a second portion of the temporar... | 12/05/2000 |
| 6114052 | Ingot plate made of thermoelectric material, rectangular bar cut from the ingot plate, and process of fabricating the ingot plate An ingot plate (10) of cleaveable thermoelectric material has a layered structure having substantially parallel cleavage planes. Substantially all of the cleavage planes are disposed at a less cleavage angle with respect to the upper and lower faces (11, ... | 09/05/2000 |
| 6076797 | Mold sealing plug An apparatus for blocking a hole, especially for blocking a passageway within a mold. The apparatus includes one or more tapered members received within recesses of an expandable sleeve. As the one or more tapered members are drawn within the sleeve by a ... | 06/20/2000 |
| 6013215 | Method of manufacturing an inorganic molded product A method of compression-molding a slurry of a hydraulic inorganic material such as cement or slag, a light-weight aggregate, a reinforced fiber material and other filler material kneaded with water so as to manufacture an inorganic molded product. The slu... | 01/11/2000 |
| 5939101 | Mold vents A vent for a mold having a mold cavity comprising a vent main body, a valve closure member having an upper end face for positioning at the surface of the mold cavity, the valve closure member being moveable with respect to the vent main body for opening a... | 08/17/1999 |
