Did You Know...
...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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| Number | Title | Issue Date |
| 7361296 | Motor vehicle wheel frame A motor vehicle wheel frame is integrally molded in a split mold including a lower mold portion (12) and a complemental mold portion. Channel-like spoke forming formations (12.1) receive layers (24.1) of molding material wrapped around heat expa... | 04/22/2008 |
| 7295199 | Matrix display having addressable display elements and methods A display device including a plurality of display elements (500) arranged in a matrix, wherein each display element includes a display pixel (510) coupled to a switch (530), and each display element includes an addressable latch (540) hav... | 11/13/2007 |
| 7017647 | Method for casting objects with an improved hub core assembly A method of casting an object, usually a railroad wheel, is provided. A graphite mold having a drag section and a cope section has an opening in the drag section allowing molten metal to be fed upwardly by pressure into the cast object cavity. A stopper pipe assembl... | 03/28/2006 |
| 6932144 | Method for casting objects with an improved riser arrangement A method of casting an object, usually a railroad wheel, is provided. A graphite mold having a drag section and a cope section requires a plurality of riser openings in the cope section to ensure proper dimensional accuracy of the cast railroad wheel by allowing mol... | 08/23/2005 |
| 6443217 | Apparatus for producing cast metal articles and process A casting apparatus for vehicle wheels includes a bottom core or face core mold segment affixed to a stationary bed and a top core mold segment affixed to a vertically movable head; a pivotally mounted side mold positioning arrangement of minimal bulk and... | 09/03/2002 |
| 6318446 | One piece cast vehicle wheel having a circumferential lightener pocket A one piece cast wheel having a lightener recess formed in the wheel disc which extends axially beneath the wheel outboard tire bead seat. A method of casting such a one piece wheel which utilizes a multi-piece wheel mold having side members which include... | 11/20/2001 |
| 5939002 | Apparatus and process for changing a sidewall insert of a tire mold A molding apparatus and process is described in which a side wall mold insert is accessible and releasable from the interior of the molding apparatus. A fastener reversibly seats the side wall insert to the mold frame, the insert having an inclined rim wa... | 08/17/1999 |
| 5810067 | Method and apparatus for molding a light-alloy wheel A light-alloy wheel is cast using an apparatus wherein cores are moved by a cotter via a sliding mechanism. A sliding portion is isolated from molten metal so that locking at the sliding portion is unlikely to occur. The sliding mechanism can be of a smal... | 09/22/1998 |
| 5626182 | Die for casting vehicle wheel rims with tubular spokes and obtained wheel rim The die includes fixed or movable protuberances associated with die parts corresponding to the rim circumference. In the rim thus obtained the inner part of the spokes is hollow and communicates with the rim channel inside the tire but the hollow is space... | 05/06/1997 |
| 5531949 | Methods and molds for making a roller skating wheel having curvilinear paths through the hub A method and mold for making a wheel of a roller skate including a plurality of circumferentially spaced apart generally axially extending curvilinear paths. A speed skater, traveling a predominately circular course with such wheels properly aligned on su... | 07/02/1996 |
| 5427171 | Method and apparatus for casting vehicle wheels having lightener pockets The apparatus includes a wheel mold that has a top segment having a plurality of openings formed therethrough. Movable cores are carried in the top segment openings. A mechanism is mounted on the top segment to alternately extend the cores into the mold c... | 06/27/1995 |
| 5346378 | Apparatus for forming a curing envelope An apparatus for forming curing envelopes which apparatus enables the use of a conventional inner tube mold for making a curing envelope preform in the form of an envelope tube which may have a portion thereof easily removed to provide a curing envelope s... | 09/13/1994 |
| 5311918 | Mold for and method of casting vehicle wheels Cast vehicle wheels are formed with a re-entrant portion or lightening pocket beneath the tire bead retaining seat. The mold has movable side portions enabling the formation of the re-entrant portion in the wheel. The re-entrant portion reduces the weight... | 05/17/1994 |
| 5238216 | Apparatus for modifying thermal gradient for casting in graphite molds In a casting mold, refractory filled segments are provided between adjacent riser seats to provide more uniform and more controlled cooling of the molten metal to reduce microporosity in the cast product.... | 08/24/1993 |
| 5098272 | Apparatus for molding composite metal-elastomer wheels Apparatus for molding a composite metal-elastomer styled wheel in which a middle mold part includes a metal wheel disc and rim subassembly. A base mold part seats against the outboard face of the metal wheel in the closed condition of the mold and has a m... | 03/24/1992 |
| 5075052 | Method of manufacturing a motor-vehicle steering wheel by the moulding of plastics material so that it looks like a wooden steering wheel, and a steering wheel produced by the method A motor-vehicle steering wheel which is made of plastics material but looks like a wooden steering wheel is produced from a die having ribs such as to form in the moulded part indentations having a typical wood-grain pattern and arrangement. In the moulde... | 12/24/1991 |
| 5059106 | Apparatus for molding composite metal-elastomeric wheels Three-part vertical stack-up mold apparatus for molding a composite styled wheel wherein the middle mold part is metal disc and rim subassembly operable as metal street wheel when a pneumatic tire is mounted on said rim. The lower mold part has a mold cav... | 10/22/1991 |
| 4963083 | Composite metal-elastomer styled wheels and method and apparatus for molding the same An improved composite metal-elastomer styled automotive-type wheel with a three-dimensionally contoured ornamental outboard face formed by a plastic overlay body permanently adhered or affixed to the outboard face, and an improved molding apparatus and me... | 10/16/1990 |
| 4927347 | Compression mold for fiber-reinforced composite wheels A compression mold for manufacture of a fiber-reinforced composite vehicle wheel that has a circumferential array of radially reciprocable rim mold sections, a lower disc mold section affixed to a mold base, and an upper disc mold section axially reciproc... | 05/22/1990 |
| 4847030 | Method and apparatus for making a composite wheel A method and apparatus for making a composite styled wheel of the type including a metallic disc and rim and an ornamental plastic overlay permanently affixed to the disc. A disc and rim subassembly is placed in a mold. A retainer is formed as a separate ... | 07/11/1989 |
| 4786027 | Apparatus for molding composite metal-elastomer wheels Apparatus for molding a composite metal-elastomer styled wheel in which a middle mold part consists of a metal wheel disc and rim subassembly. A base mold part seats against the outboard face of the metal wheel in the closed condition of the mold and has ... | 11/22/1988 |
| 4583933 | Mold for forming a fiber reinforced composite wheel construction Apparatus for molding a fiber-reinforced wheel construction having an imperforate disc structure. The wheel comprises a disc portion having reinforcing fibers in substantially random orientation disposed predominantly in planes perpendicular to the wheel ... | 04/22/1986 |
| 4569713 | Apparatus for making fiber reinforced armatures A mold for making steering wheels by winding resin impregnated fibers. The mold includes a hub support pedestal to support a hub about which fibers are wound, means having a rim forming recess, a plurality of ramps connecting said means having said rim fo... | 02/11/1986 |
| 4530484 | Mold for molding wheel cover having spoke-like portions A mold for molding a wheel cover for a vehicle road wheel by injection molding of a synthetic resin or die casting of a light metal alloy, the wheel cover being a one-piece member having spoke-like portions extending obliquely with respect to both the cen... | 07/23/1985 |
| 4497766 | Method and apparatus for molding plastic wheels A method and a mold for the manufacture of a wheel construction (2) of plastic material for vehicles or the like, which comprises a number of spokes (2A-2H), a hub (2J) and a rim (2I) together constituting an integrated unit. The plastic material is injec... | 02/05/1985 |
| 4436133 | Cast vehicle wheel rim A vehicle wheel rim has a tire-engaging rim portion with two conical portions, one of which lies radially outwardly of a support ring having a conical surface for mounting the rim on a spider or the like. The outer ends of the conical portions terminate a... | 03/13/1984 |
| 4419908 | Mold and method of making spoked wheels and product of same A fiberglass reinforced plastics steering wheel is disclosed and a mold and method for making same. The wheel is made by disposing binder and the fiberglass in an annular cavity and in ramp-like radial cavities of a mold and are pressed into shape by a we... | 12/13/1983 |
| 4165131 | Cast vehicle wheels A light-alloy vehicle wheel comprises a nave, a wheel disc with ventilation apertures, two opposed tire bead seats and a well lying between the bead seats. A plurality of external, equally-spaced webs extends between the outer face of the wheel disc and o... | 08/21/1979 |
| 4008517 | Brake drum and method of manufacture A method of manufacturing a brake drum having a plurality of axially spaced, circumferentially extending ribs provided on the exterior surface thereof. The method includes casting molten grey iron into a mold cavity formed by a plurality of axially split ... | 02/22/1977 |
| 3964144 | Cast one-piece annular rim member for a vehicle wheel In a mold for casting an annular rim member for use in a vehicle wheel for mounting a pneumatic tire, the mold cavity is formed so that the casting has at least one of a radial overdimension or a radial underdimension and its outer surface which faces the... | 06/22/1976 |
