William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7951319 | Methods for changing the shape of a surface of a shape memory polymer article Methods for changing the shape of a surface of an article are disclosed. The methods may include providing a liquid polymer precursor, casting the precursor against a first tool assembly, curing the precursor to form a shape memory polymer substrate, deforming one o... | 05/31/2011 |
| 7922956 | Vehicular trim component and cover with simulated stitch and/or seam thereon A method for making a cover for a component of a vehicle passenger compartment comprising the steps of molding the cover for the component from a polymeric material, and forming an integrally-formed aesthetic feature in an uninterrupted portion of the cover which si... | 04/12/2011 |
| 7910036 | Method of molding object of indefinite length using an injection mold apparatus A method of moulding an object of indefinite length. A first portion of molten material is injected into a mould comprising a stationary platen and a moving platen and solidifies to form a first portion of solid material at a first position. The moving platen is mov... | 03/22/2011 |
| 7846366 | Method for molding cosmetic composite panels with visible carbon fiber weaves One embodiment of the invention provides a method for compression molding cosmetic panels with visible carbon fiber weaves using clear or lightly filled resins. The method uses a modified, two-step compression molding process to reflow the surface of a partially cur... | 12/07/2010 |
| 7351369 | Molded twist-on wire connector A wire connector wherein the wire engaging core and electrically insulated housing are molded with an exterior surface of a molded wire engaging core used as a mold surface as the electrically insulated housing is molded around the wire engaging core to provide a wi... | 04/01/2008 |
| 7347808 | Polyurethane rolls and methods of manufacturing Rolls having a polyurethane elastomer formed from a polyurethane mixture, wherein the polyurethane mixture comprises polydiene, tri-functional polyol curative, an additional graft polymer curative having a molecular weight of at least about 800 and comprising diol, ... | 03/25/2008 |
| 7335011 | Device and method for compression moulding plastic containers A compression-moulding press for moulding plastic containers (P) consisting of a moulding cavity formed by a plunger (5), a female mould (14), and two separable lips (7, 8). A cylinder (16) slides inside a sliding slide (22) to kee... | 02/26/2008 |
| 7314908 | Polythiophene processes Polythiophene may be processed using a method including providing a composition including the polythiophene and a liquid including at least one hydrocarbon having at least 6 carbon atoms; heating the composition to a temperature of at least about 50° C.; and separa... | 01/01/2008 |
| 7306756 | Methods for making encapsulated stent-grafts A method for making an encapsulated stent-graft having an essentially tubular configuration with a central longitudinal lumen and having a first diameter and a second diameter, wherein the first diameter is larger than the second diameter. The stent-graft may includ... | 12/11/2007 |
| 7303709 | Compression molding process A molded article is produced by a method of compression molding employing a specially shaped billet of thermoplastic material which is positioned at a predetermined location in a predetermined orientation with respect to the mold cavity surfaces of a mold part. In a... | 12/04/2007 |
| 7249943 | Apparatus for forming composite stiffeners and reinforcing structures An apparatus for forming elongated composite structural members with a desired cross-sectional geometry as taken transverse to the length of the member. The apparatus may include a base with a substantially elongated mandrel mounted thereon. One or more rollers conf... | 07/31/2007 |
| 7250091 | Method of forming a seating system The present invention discloses a seating system that includes a seat back (20) with one or more plastic panels (22) that extend across a lateral distance of the seat back (20). The seat back (20) preferably includes one or more reinforce... | 07/31/2007 |
| 7226558 | Method of making an expanded polytetrafluoroethylene structure A high density microwall ePTFE structure and a method for making, involving the manipulation of a standard extruded ePTFE graft. The final product has the desired characteristics of high density, reduced wall-thickness, above-average radial strength and enhanced sut... | 06/05/2007 |
| 7211212 | Golf ball manufacturing method A golf ball comprising a core and a cover is manufactured by the steps of (A) enclosing the core with a thermoplastic resin and (B) tailoring the thermoplastic resin layer by applying heat and pressure thereto, for adjusting the thickness of the thermoplastic resin ... | 05/01/2007 |
| 7182908 | Method for making a lightweight, thermoplastic, vehicle headliner having at least one integrally formed, energy-absorbing, head-impact mechanism Lightweight, thermoplastic, vehicle headliners each having at least one integrally-formed, energy-absorbing, head-impact mechanism and injection molding methods for making same are provided. Each headliner includes a stiff, self-supporting, thermoplastic sheet adapt... | 02/27/2007 |
| 7182901 | Method of manufacturing a gaming chip including a recess An embodiment of the claimed invention includes a method of manufacturing an object. The method includes providing an object portion, providing a protrusion, forming a recess in the object portion by pressing at least a first portion of the protrusion into the objec... | 02/27/2007 |
| 7175794 | Method for manufacturing a pressed part from a soft magnetic composite material A method for manufacturing a pressed part from a soft magnetic composite material. A starting mixture is provided that includes an iron powder and an auxiliary pressing agent. The starting mixture is pressed to form a pressed part and annealed at temperatures betwee... | 02/13/2007 |
| 7157031 | Method of replicating a textured surface The present invention relates to methods for forming textured surfaces in a polymeric surfaces. Moreover, the present invention relates to methods for forming textured surfaces in a polymeric surfaces and faithfully replicating the textured surfaces in the surfaces ... | 01/02/2007 |
| 7141199 | Method and apparatus for shaping section bar made of composite material and shaped product and I-shaped stringer thereof A method and apparatus for shaping a section bar (for example, a “T-shaped” or “J-shaped” stringer) made of composite material is provided. The method comprising the steps of placing the stacked reinforced-fiber sheets on a pair of side presses opposing to e... | 11/28/2006 |
| 7137335 | Plastics waste processor A plastics waste processor is provided for efficiently compacting and melting plastics waste, so as to form easily disposable compact plastic units having a volume considerably smaller than the unprocessed plastics waste. The plastics waste processor has a waste con... | 11/21/2006 |
| 7132459 | Moulded bodies made from a polyurethane material, production and use thereof The invention relates to a method for the production of polyurethane-based technical formed parts, commodity goods and objects, preferably consisting of (meth)acrylate containing isocyanate and hydroxy groups and at least 0.5 mMol/g reactive double bonds that can be... | 11/07/2006 |
| 7108823 | Staged compression molding process A process of molding a container closure comprises depositing a gob of thermoplastics material in a mold cavity and then moving mold plates in an upper mold portion relative to an opposing lower mold portion to form the container closure in the mold cavity. ... | 09/19/2006 |
| 7083756 | Method for producing a toothbrush A method for efficiently producing injection molded toothbrush handles wherein two or more adjacent cavities in a mold are respectively configured to mold a first portion of a handle and a second portion of a handle, wherein upon injection molding of the first porti... | 08/01/2006 |
| 7074359 | Vibratory molding process and product A fastener strip is disclosed having permanently sealed, airtight portion and a reclosable portion capable of maintaining an airtight seal when closed. The permanently sealed portion is generally planar and essentially impervious to air flow. The reclosable portion ... | 07/11/2006 |
| 7070728 | Diesel filter plugging process A method for plugging a subset of cells of a honeycomb structure having a plurality of open-end cells extending therethrough including providing at least one cylindrically-shaped first roller including an engagement surface having a plurality of outwardly-extending ... | 07/04/2006 |
| 7051858 | Friction material and its manufacturing method A friction material has a resin amount distribution that is the largest at a portion near a non-friction surface, that becomes lower toward an inside and that is the lowest at a portion near a friction surface. For example, such friction material is manufacture as f... | 05/30/2006 |
| 7041249 | Vibratory molding process and product A fastener strip is disclosed having a permanently sealed, airtight portion and a reclosable portion capable of maintaining an airtight seal when closed. The permanently sealed portion is generally planar and essentially impervious to air flow. The reclosable portio... | 05/09/2006 |
| 7033408 | Method of producing an abrasive product containing diamond A method of producing an abrasive product comprises providing a mixture of a mass of discrete carbide particles and a mass of diamond particles, the diamond particles being present in the mixture in an amount such that the diamond content of the abrasive product is ... | 04/25/2006 |
| 7025923 | Methods for forming complex-shaped components in a heated polymeric film A thin-walled polymeric component that may have a selected complex shape, and a method of forming the component. The method includes heating a portion of a polymeric film to a selected malleable temperature, and forming a protrusion in the heated portion while it is... | 04/11/2006 |
| 7018582 | Method and apparatus for forming an article and an article formed thereby A method for forming an article in which thermoplastics materials are used as the binding agent. Materials (21) are shredded in a shredder (1), compressed in a compressing chamber (15) and moulded in a moulding chamber (16, 17, 19, 20, 26, 27... | 03/28/2006 |
| 7001559 | Production of pneumatic tires A method of highly efficiently producing pneumatic tires, wherein both bead portions (B) of a green tire (G) are supported by a pair of holders (24, 50) and opposite axial ends of a bladder (25) are tightly attached to the holders (24, 50), resp... | 02/21/2006 |
| 6982054 | Gasket for cladding system A method of forming a joint (32) between two plastics extrusions (10) is disclosed which comprises mitring the extrusions (10) so that they form the desired angle to one another, removing part of the rear face of each extrusion (10) placi... | 01/03/2006 |
| 6962594 | Reinforcement implants for tissue sutures The invention concerns a reinforcing implant for tissue sutures used for mechanically reinforcing stitched tissue zones, and consisting of a textile lap based on polyuronic acid or one of its salts ... | 11/08/2005 |
| 6936210 | Wave molding method and apparatus for manufacturing cannulae A method of making a cannula includes providing a plurality of polymer reservoirs with each reservoir containing a polymer material and providing a nozzle mounted within each reservoir of the plurality of reservoirs. The method further includes one or more of prehea... | 08/30/2005 |
| 6929766 | Dispense molding method and apparatus for manufacturing cannulae A method of making a cannula utilizing dispense molding includes providing at least one dispense nozzle that dispenses a polymer material, providing a mandrel, moving at least one of the mandrel and at least one dispense nozzle relative to one another to produce an ... | 08/16/2005 |
| 6916438 | Methods for texturing, patterning and bending polymer sheet materials The texturing, patterning and bending of a solid surface material. The end product can be achieved both through casting technologies and heat pressure processes. Controlled surface deformation can be created in a pre-manufactured flat sheet and the sheet can then be... | 07/12/2005 |
| 6908582 | Method for adjusting the shape of a biodegradable and bioabsorbable implant material A process for producing a biodegradable and bioabsorbable implant material, which comprises forging a billet comprising and biodegradable and bioabsorbable crystalline polymer at a low temperature and then forging the same once more or in a plurality of times at a l... | 06/21/2005 |
| 6905501 | Bone connecting device and method of manufacturing the same The present invention provides a method for producing a bone joining device having a head portion, the method comprising the step of press-molding a (primary) molded article to form a head portion, and a bone joining device having a head portion, wherein the molecul... | 06/14/2005 |
| 6893593 | Resin formed article and method for production thereof A resin molded article is produced by performing extrusion molding of a thermoplastic amorphous resin containing a dispersion phase, and then rolling it. According to a molecular orientation associated with an elongation of the dispersion phase in the rolling direct... | 05/17/2005 |
| 6890461 | Method of reinforcing concrete electric pole In a method of reinforcing an existing concrete electric pole having an annular side wall, an inner hollow portion provided therein and an opening portion formed to a position of the annular side wall to be penetrated therethrough, at least one of a predetermined am... | 05/10/2005 |