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| Number | Title | Issue Date |
| 8087916 | Holding jig for a foamable material The invention provides a holding jig for supporting and fixing a solid material capable of being foamed by application of heat in a cavity of a hollow structure. The holding jig may be provided with a plate-like base body made smaller in diameter than the cavity of ... | 01/03/2012 |
| 7976298 | Article, method and apparatus of forming expanded plastic materials in a steam chest mold The invention provides an article, a method and an apparatus of forming expanded plastic materials in a steam chest mold having out of die draw features. This is achieved by means of a cavity pull system. The cavity pull system allows for the provision of molded fea... | 07/12/2011 |
| 7942658 | Systems for forming lightweight concrete block A method and apparatus for efficiently forming individual building units is provided, generally includes providing a plurality of molds, each capable of simultaneously forming a plurality of building units. Batches of cementitious slurry are individually mixed in or... | 05/17/2011 |
| 7878785 | Vented mold and method for producing molded article The invention relates mold, particularly a mold for producing foam articles. In a preferred embodiment, the mold comprises a lid and a bowl releasingly engageable to define a mold cavity, the lid comprising: (i) a vent having a passageway for gas to escape from the ... | 02/01/2011 |
| 7862316 | Foamed mechanical planarization pads made with supercritical fluid Foamed thermoplastic polymeric mechanical planarization polishing pads (“MP pads”) made with supercritical fluids are presented. A supercritical fluid foaming agent is dissolved in a thermoplastic polymer. A rapid change in the solubility and volume of the super... | 01/04/2011 |
| 7731487 | Mold for forming a hearing protective device A mold for forming a foam earplug including a lower mold portion including a lower cavity; and an upper mold portion including an upper cavity and a means for venting a gas during a rising of the foam, wherein the lower and upper mold portions are engageable so as t... | 06/08/2010 |
| 7682141 | Production apparatus for forming plastic molded articles An apparatus and method for making plastic molded articles generally having a double-skinned configuration with a foamed interior extending between the two skins. Such an article can be produced with a double beauty finish, and various inserts can be placed within t... | 03/23/2010 |
| 7641459 | Foam cushion molding system and method A molding system for foam-in-bag cushions comprises a mold defining a mold cavity, an air plenum separate from the mold cavity, a plurality of air passages that connect the mold cavity to the air plenum, and at least one port connected to the air plenum. The mold ca... | 01/05/2010 |
| 7628597 | Labeled containers, methods and devices for making same A device and method for producing labeled expanded resin containers; the method including applying a label sheet, formed from a label material capable of maintaining an electrostatic charge, to an inner wall of female portions of two-part molds, positioning one or m... | 12/08/2009 |
| 7510383 | Device for forming foamed product integral with trim cover assembly A foaming die device is provided, which has a closure element rotatably provided therein. The foaming die device allows a three-dimensional trim cover assembly with an opening defined therein to be placed therein and also allows a liquid foaming agent to be injected... | 03/31/2009 |
| 7500840 | Apparatus for molding a mold and a metal used therefor An apparatus for molding a mold by pressurizing a foam mixture composed of particles of aggregate, water-soluble binders, and water, and injecting it into a cavity of a heated metal mold that includes a hollow rectangular-parallelepiped body 12 having a botto... | 03/10/2009 |
| 7500839 | Foam molding apparatus A mold for molding is provided from which gas release can easily take place at the time of molding a foam body, which can minimize the amount of formation of burrs, and which can be easily processed. It is a mold for foam molding comprising a mold body comprising an... | 03/10/2009 |
| 7484946 | Method and assembly for locating material within a structure There is disclosed a method and assembly for locating a material adjacent or with a structure of an article of manufacture such as an automotive vehicle. The assembly typically includes a first compartment, a second compartment and a mixing initiator. ... | 02/03/2009 |
| 7481637 | Vented mold and method for producing molded article The invention relates mold, particularly a mold for producing foam articles. In a preferred embodiment, the mold comprises a lid and a bowl releasingly engageable to define a mold cavity, the lid comprising: (i) a vent having a passageway for gas to escape from the ... | 01/27/2009 |
| 7367797 | Needle valve for filling a mold with an organic material in the liquid state The valve includes: a body in which is formed a flow passage for the material to be molded having a constriction bounded on its upstream side by a change of section forming a seat, and a needle mounted in the body ... | 05/06/2008 |
| 7351363 | Press for hard foam plates A press for rigid foam sheets with continuous adjustment of the spacing between the two press plates (1,3), in particular for sandwich panels with an upper and lower outer layer and, located therebetween, a core of rigid polyurethane foam. The lower press pla... | 04/01/2008 |
| 7318713 | Polymer processing systems including screws Injection molding and blow molding systems that include screws having low L:D ratios are provided. The systems are capable of producing microcellular polymeric materials. In some cases, the systems may be formed by retrofitting conventional polymer processing system... | 01/15/2008 |
| 7300268 | Low-density part injection molding system An injection molding system (10) includes a first mold half (20) and a second mold half (22), which forms a cavity (23) with the first mold half (20). A cavity intrusion element (34) is displaceable to extend within the cavi... | 11/27/2007 |
| 7293982 | Device for producing physically expanded structural foams during an injection molding process involving the use of dynamic mixing elements Foamed molded articles can be produced during an injection molding process, among other things, by utilizing physical blowing agents. Existing technologies differ to the greatest possible extent in the manner how the blowing agent is introduced into the melt. One po... | 11/13/2007 |
| 7291008 | Needle shut-off nozzle for an injection molding machine The needle shut-off nozzle is provided in a housing for delivering polymer melt to an injection molding machine or an injection molding tool. The nozzle is mounted in a channel of the housing for a flow of the polymer melt, a nozzle at an outlet of the channel, a sh... | 11/06/2007 |
| 7291297 | Injection molding method and apparatus for continuous plastication In a reciprocating (RS) injection unit environment, as shown in FIG. 1, a controller of the injection unit is arranged to continuously rotate the screw during both conventional plasticizing operation and shot injection. In this way the RS unit is more efficie... | 11/06/2007 |
| 7281915 | Overmould with anti-intrusion ribs Overmould comprising a base having a central section, from a first side of which hooks project which form the male part of a self-gripping member, two sections forming selvages, laterally from each side of the central section, and magnetic means which can cooperate ... | 10/16/2007 |
| 7275927 | Multi-channel cooling die A cooling die, for use in the manufacture of extruded food products, the cooling die including: a plurality of core members forming a main body portion of the cooling die between die inlet and outlet ends and arranged about an axis of the die in neighboring relation... | 10/02/2007 |
| 7267534 | Methods for manufacturing foam material including systems with pressure restriction element The invention provides systems, methods, and articles useful in the production of foams, and, in particular microcellular foams. The systems include a restriction element that reduces the backflow of polymer melt in an extruder while polymeric material is injected i... | 09/11/2007 |
| 7261549 | Device and a method for removing an object from a moulding tool A device (1) and a method for removing an object from a moulding tool (2) in connection with casting or moulding an object, wherein there is a retaining force between the moulding tool and the object. The device comprises a body (5), coupling me... | 08/28/2007 |
| 7249880 | Flexible mixing bag for mixing solids, liquids and gases In an embodiment, an apparatus includes a disposable and flexible mixing tank having a sealed sleeve therein for arrangement of a mixing device. The volume of the mixing tank is defined by an inner wall of the mixing tank and an inner wall of the sleeve. The mixing ... | 07/31/2007 |
| 7240689 | Multiple component mixing head The invention relates to a mixing head and to a method of mixing at least one polyol component and at least one isocyanate component and where appropriate additives, to form a polyurethane reaction mixture. ... | 07/10/2007 |
| 7229584 | Method and apparatus for injection molding multi-component mixtures In a method and apparatus for injection molding a multi-component mixture, in particular liquid silicone rubber; a starting material, containing at least two components and, optionally, at least one additive, is conveyed from a storage and metering assembly through ... | 06/12/2007 |
| 7226282 | Charge roller of developing device for image forming apparatus, method for fabricating the same and tool for fabricating charge roller A method of manufacturing a charge roller utilizes a foam rubber substance where epichlorohydrin oxide rubber and an acrylonitrile butadiene rubber are mixed at a ratio of 5:95, or utilizing a crosslinking rubber substance consisting of epichlorohydrin oxide rubber ... | 06/05/2007 |
| 7192547 | Method for manufacturing a golf product A process for reaction injection molding a polyurethane material for a layer of a golf ball is disclosed herein. The layer is preferably a cover for the golf ball. The process discloses preferred pressure parameters and mass flow parameters for reaction injection mo... | 03/20/2007 |
| 7192265 | In-mold foam molding equipment and molding method An in-mold foam molding equipment, includes at least a movable partition member for dividing a molding space formed by a pair of molds into divided spaces, wherein the partition member is composed of a plurality of divisional parti... | 03/20/2007 |
| 7179410 | Foam plastics manufacturing method and machine Production of foamed materials in a horizontal machine, and said machine itself, reactants being fed to a conveyor at one end of the machine and foam produced being removed at the other end, wherein the foam is generated in an expansion chamber defined at its inlet ... | 02/20/2007 |
| 7172403 | Apparatus for preparing a gypsum wallboard core A gypsum wallboard core, and methods and apparatus for making the same are disclosed. Methods of making a gypsum wallboard core include extruding a gypsum slurry containing water, gypsum, slip agents, water-reducing agents, surfactants and, optional additives, throu... | 02/06/2007 |
| 7150615 | Molding machine for injection foaming A process for injection-foaming a thermoplastic resin by using an injection molding machine with a two-stage-compression screw, injecting a physical foaming agent into the cylinder of the machine at a pressure lower than the storage pressure of the physical foaming ... | 12/19/2006 |
| 7146732 | Roof module and method of producing a roof module A roof module comprises an outer shell and a foamed inner shell. The outer shell has a rim including an edge of cut and the inner shell extends as far as on the edge of cut. There is also proposed a method of producing such a roof module. ... | 12/12/2006 |
| 7144532 | Blowing agent introduction systems and methods The present invention provides blowing agent introduction systems and methods for introducing blowing agent into polymeric foam processing systems. The methods may involve introducing one or more doses of blowing agent into polymeric material in an extruder during a... | 12/05/2006 |
| 7137800 | Prestressed concrete casting apparatus and method A prestressed concrete casting apparatus includes a prestressing element (e.g., wire cable or rod) pretensioning fixture of simple easy to use construction, and great strength/rigidity for withstanding considerable pretensioning forces. Advantageously, a clamshell-t... | 11/21/2006 |
| 7128853 | Method and apparatus for manufacturing a rubber sheet containing short fibers A method and apparatus for manufacturing a rubber sheet containing short fibers. The method includes the steps of: mixing short fibers in a flowable rubber matrix; forming the flowable rubber matrix with the fibers therein into a cylindrical shape with a circumferen... | 10/31/2006 |
| 7118362 | Pellet-type foams of non-crosslinked polypropylene resin having lower melting point and process and device for producing the same and molded foams therefrom The present invention relates to a pellet-type non-crosslinked polypropylene foam having a melting point of 125 to 140° C., and a process and device for producing said foam. Since the pellet-type foams of non-crosslinked polypropylene of the present invention has a... | 10/10/2006 |
| 7114934 | Structure including a plurality of cells of cured resinous material, method of forming the structure and apparatus for forming the structure A structure that includes a plurality of cells of a cured resinous material. Each cell is joined to at least one other cell. ... | 10/03/2006 |
