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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7297235 | Method and apparatus for making molded filter elements Apparatus for forming fibrous filter elements such as tubular elements molded from borosilicate microfibers. Molding rigs are supplied with a slurry from a system including a holding tank and a reservoir. The reservoir is coupled to a water intake and also receives ... | 11/20/2007 |
| 7261545 | Powder preheating Powdered starting material utilized for molding (e.g., rotational molding, injection molding, blow molding), extrusion, and the like can be preheated to reduce the time required to complete the processing of the material. After being preheated to a temperature below... | 08/28/2007 |
| 6796788 | Carrier transfer molding device A polymer is plasticized in a plasticizing unit and is thereafter fed into a transfer device which is moved into alignment with a clamping press which is remotely located from the plasticizing unit. The polymer from the transfer device is deposited on a carrier whic... | 09/28/2004 |
| 6663818 | Lipstick machine An apparatus, mold assembly and related method for manufacturing a personalized lipstick is described, the apparatus including a housing or cabinet, a plurality of different color blends each held within a separate pot fitted with a dispensing system, an ... | 12/16/2003 |
| 6616874 | Method for forming a reflective concrete block A method forms a concrete block, particularly but not exclusively a composite block with a reflective fascia portion. The block is formed by a dry-cast technique, in which mixture for forming the block has a water/cement ratio less than or equal to 0.35, ... | 09/09/2003 |
| 6391236 | Process and plant for forming ceramic tiles and the like The process for forming ceramic tiles comprises depositing a layer of multi-coloured powdery material on a moving transport plane, in order to achieve a predetermined pattern, and subsequently transferring said layer internally of a moulding cavity, due t... | 05/21/2002 |
| 6383428 | Method for preparing molded article A template is placed over a mold cavity, with the template including a series of orifices which extend over substantially the entire surface of the mold cavity. Molten plastic is passed through the orifices in a pattern corresponding to the shape of the a... | 05/07/2002 |
| 6264462 | Polymer transfer and deposition molding device A polymer is plasticized in a plasticizing unit and is thereafter fed into a transfer device which is moved into alignment with a clamping press which is remotely located from the plasticizing unit. The polymer from the transfer device is deposited direct... | 07/24/2001 |
| 6164951 | Apparatus for simultaneous production of a plurality of construction panels Apparatus for producing construction panels includes a distribution tank for receiving a slurry for formation of the construction panels, the distribution tank having a plurality of separator plates disposed in a spaced apart relationship to each other so... | 12/26/2000 |
| 6106274 | Molding apparatus with charge overflow A transfer/injection molding apparatus is defined that includes a charge forming unit, a molding unit and a charge overflow unit. The charge is formed so that the fibers therein are randomly oriented in substantially parallel horizontal planes such that t... | 08/22/2000 |
| 6032492 | I.S. machine An I.S. glass forming machine is disclosed which has a plurality of individual sections each having a parison mold including a cavity having a first vertical axis. There is a trough assembly for each of the mold cavities which includes a deflector definin... | 03/07/2000 |
| 5925384 | Manual pellet loader for Boschman automolds A manual loader for use in bypassing an automatic pellet feeder for an automold machine used to encapsulate integrated circuit assemblies in plastic. The loader has a support mounted adjacent the mold section of the machine. The loader also has at least o... | 07/20/1999 |
| 5910324 | Device for the manufacture of tablets The invention relates to a device for the manufacture of tablets or compacts with at least two compacting tools which in each case can be moved in relation to one another and at least one template interacting with these and with a filling arrangement to f... | 06/08/1999 |
| 5902613 | Automated thermoset molding apparatus An automated transfer/injection molding apparatus and process is defined that includes a charge forming unit, a shuttle unit, and a molding unit. The charge is formed from one or more slabs of reinforcing fibers and a resinous material. Once formed, the c... | 05/11/1999 |
| 5858404 | Process and apparatus for producing two-colored or multicolored films, and dashboard films or dashboards produced therefrom for motor vehicles Process and device for producing two-colored or multicolored switchboard films, dashboard films or dashboards for motor vehicles produced therefrom using at least one backing film or backing layer, at least one upper film or upper layer which is arranged ... | 01/12/1999 |
| 5593707 | Auger conveyor assembly for heating and feeding polymer coated powder to the shuttle of a compacting press An auger conveyor assembly for heating and feeding polymer coated powder from a powder supply assembly to a shuttle assembly for ultimate delivery to the die cavity of a compacting press. The auger conveyor has an auger tube having near its rearward end a... | 01/14/1997 |
| 5393214 | Apparatus for manufacturing a fiber reinforced inorganic hardened body A fiber reinforced inorganic hardened body is manufactured from raw material consisting of a mixture of reinforcing fiber such as bamboo fiber, water-hardening inorganic binder and water by a manufacturing apparatus for stirring and mixing such raw materi... | 02/28/1995 |
| 5284431 | Filling apparatus for filling foamed particles of a thermoplastic resin into a mold A filling apparatus for filling foamed particles of a thermoplastic resin into a mold. The apparatus includes a weigh hopper equipped with a weighing means, a foamed particle feeder adapted to control the amount of the foamed particles of the thermoplasti... | 02/08/1994 |
| 5256053 | Brick press A brick press easily exchanges a mold as well as a material in a short time in the same way as a mold exchange in a die floating type press in which a press molding is performed only by an upper plunger of the press body with the mold holder being moved v... | 10/26/1993 |
| 5252264 | Apparatus and method for producing parts with multi-directional powder delivery An apparatus and method for producing parts by fusing selected portions of a layer of powder at a target area, including the systems for delivering the powder to the target area, is disclosed. Multiple powder pistons are included in the apparatus, each of... | 10/12/1993 |
| 5213816 | Polymer coated powder heating and feeding system for a compacting press A system for heating and feeding polymer coated powder to a heated die cavity of a compacting press. The system includes at least one heated vertical pipe for heating the polymer coated powder and for delivering the polymer coated powder by gravity from s... | 05/25/1993 |
| 5145692 | Brick making apparatus Portable brick manufacturing apparatus (20) mounted on a skid pad (21) includes two brick making systems. Each system includes a ring (25, 65) with three open-ended mold boxes (23, 70) mounted to the ring in equiangular spacing thereabout. Drive means (30... | 09/08/1992 |
| 5131831 | Device for pressing a supply of clay to individual mouldings to be deposited in a moulding tray A frame is swingably mounted to a stationary support above an indexing mold tray conveyor. Mounted to the frame is a clay supply device comprising an extruder and a pair of mutually facing belts having vertical runs. Lumps of clay are extruded and deposit... | 07/21/1992 |
| 5125822 | Apparatus for the production of ceramic articles The present invention relates to apparatus for producing tubular ceramic articles. The apparatus is comprised of a vertically positioned electrical induction furnace; a plurality of spaced concentrically arranged tubular forms, which fit and are arranged ... | 06/30/1992 |
| 5093066 | Method for molding multicolor thin wall plastic shell A method for molding a thin walled plastic shell utilizes the following apparatus. An apparatus (40) for molding a thin walled plastic shell includes a mold box (42) having an inner mold surface (48). A powder box (52) includes an internal chamber and fir... | 03/03/1992 |
| 5056998 | Apparatus for producing a set of mutually distinguishable flooring tiles A mould for forming ceramic tile of different colored ceramic materials is provided with a first material supply for supplying material for a ground layer. A second material supply for supplying a second layer of material is provided whereby a multicolred... | 10/15/1991 |
| 5022847 | Injecting unit for use in an injection molding machine In an injecting unit of an injection molding machine, a feeding unit is mounted on a feeding block and serves to feed the material to be processed through a shaft into a plasticizing cylinder. The feeding unit is mounted on a carrier, which is slidably mo... | 06/11/1991 |
| 5021202 | Method and apparatus for constructing rammed earth walls with integral cement jackets Rammed building walls having an earth core and integral cement jackets are formed by placing a rectangular earth hopper within a rectangular wall moulding cavity that is defined by formwork members which are aligned with an underlying foundation. The hopp... | 06/04/1991 |
| 4975039 | Food molding and portioning apparatus A molding and portioning apparatus is intended primarily for processing formable food products into individual portions of uniform shape, size and weight, while doubling output. The apparatus includes first and second spaced hoppers which receive a supply... | 12/04/1990 |
| 4894004 | Apparatus for molding multi-colored plastic shells An apparatus for forming a multi-colored integral vinyl skin shell including a heated mold and dual powder box arrangement wherein the mold is formed to include alternately positioned tear surfaces and recessed surfaces. The powder box has a plurality of ... | 01/16/1990 |
| 4836762 | Apparatus for molding concrete blocks or bricks Concrete elements, such as blocks or bricks, are molded or cast by forming in a primary mold cavity a secondary mold made of a portion of a thermoplastic film which has been contacted with a flat heater surface to assure a uniformly heated film portion wh... | 06/06/1989 |
| 4664864 | Mold loading method and apparatus Apparatus and a process for manufacturing thin walled hollow parts such as automobile crash pads from dry thermoplastic powder includes a louver type valve system in the open end of a powder charge box and means for joining the charge box end-to-end with ... | 05/12/1987 |
| 4650410 | Machine for producing small mounds of an almond fragment/chocolate mass substance A machine for producing small mounds of a solidifiable substance, especially an almond fragments/chocolate mass mixture, includes a plurality of adjacent troughs which delimit respective substantially coextensive parallel channels, each of which includes ... | 03/17/1987 |
| 4621747 | Apparatus for charge-wise dosing a metered volume quantity of a flowing medium continuously supplied to the apparatus under delivery pressure An apparatus for charge-wise dosing a metered volume quantity of liquid medium to be supplied continuously under delivery pressure, comprising a pair of serially connected cylinder-and-piston assemblies of different diameters the cylinder blocks being arr... | 11/11/1986 |
| 4608213 | Method and mold apparatus for molding a padding member A mold for producing a padding member having side by side portions of different hardnesses integral with each other, and a method of producing the padding member using such mold. The mold has a lower half with partition walls movably extending upwardly th... | 08/26/1986 |
| 4562025 | Mold method and apparatus for multi-color plastic shells Apparatus and a process for manufacturing multiple color thin walled hollow shells for parts such as automobile door panels, controls and instrument panels from thermoplastic plastisol includes a plastisol box divider to form two or more compartments in a... | 12/31/1985 |
| 4538978 | Rotary piston forming machine for chocolate A forming machine for chocolate and the like which comprises, located directly downstream of the hopper, a metering device having a contoured mixing and metering cavity which accommodates a rotatively driven rotor provided with disk-like spaced-apart coll... | 09/03/1985 |
| 4518336 | Apparatus for forming plastic material gaskets in stoppers comprising a cup, such as screw-on and crown caps The apparatus comprises a carousel carrying a plurality of peripherally distributed cups and slidable supports, respectively aligned with the axes of the cups, pick-up and metering assembly forming a spoon member facing in the direction of rotation of the... | 05/21/1985 |
| 4500273 | Automatic pouring and dispensing machine for manufacturing hard and soft candy An apparatus for measuring and dispensing sugar syrups from a hopper into a mold and employing a mounting block which defines at least one cavity for housing a dispensing valve. The valve comprises a movable cylinder operable by a first pneumatic means an... | 02/19/1985 |
| 4452917 | Process and a mixing head for the production of a reaction mixture comprising at least two flowable reaction components A process and a mixing head for the production of a reaction mixture comprising at least two reaction components, with a high degree of mixing. By this process, reaction components are introduced, at a high pressure into one end of the mixing chamber of t... | 06/05/1984 |
