Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 8038915 | Panel smoothing process and apparatus for forming a smooth continuous surface on fiber-reinforced structural cement panels A vibrating flexible smoothing sheet or shroud disposed transversely of a direction of travel of a formed fiber panel including gypsum-cementitious slurry and embedded chopped fibers. The sheet is used to smooth the surface of the panel as it exits a fiber embedment... | 10/18/2011 |
| 7361401 | Surface coverings containing fused recycled material and processes of making the same A backing or an intermediate layer for a surface covering is described which comprises a fused recycled material, wherein the material comprises a thermoplastic material, for instance, a vinyl material from a vinyl backed carpet or vinyl backed carpet manufacturing ... | 04/22/2008 |
| 7197793 | Former head with adjustable needle rollers A former head allows processing of long fibers while achieving a carding action and a fibre distribution fulfilling high quality standards. The former head contains at least one needle roller. A mixture of air and fibers are injected above the horizontal plane of a ... | 04/03/2007 |
| 7152611 | Coated multifilament dental devices overcoated with imbedded particulate Disclosed are coated multifilament dental devices overcoated with biofilm-responsive, imbedded, particulate abrasives. ... | 12/26/2006 |
| 7115223 | Method of forming and heating a compressed composite product The present invention is a method of forming and heating a compressed composite wood product. The method includes introducing a mat assembly of resinated discrete wood elements into an oscillating compression press. Once the material is within the oscillating compre... | 10/03/2006 |
| 7101163 | Process and apparatus for the continuous production of slabstock foam Slabstock foam free of cavities can be produced without any restriction, i.e. also from rapidly reacting chemical systems, by introducing the liquid reaction mixture from underneath, in front of, and/or through an optionally swivellable floor plate, wherein the floo... | 09/05/2006 |
| 7008579 | Method and installation for processing thermoplastic synthetic materials The invention relates to a method and an installation for processing thermoplastic synthetic materials. According to the invention, the melt strands or the like are displaced in oscillation or pulsation in order to indent or penetrate the joint lines between at leas... | 03/07/2006 |
| 7001547 | Method and apparatus for joining sheet- or ribbon formed flows in a coextrusion process A method and apparatus are described for coextruding two materials A and B, in which B is extruded on A through a port (3), in which the separating wall between the flows of A and B is formed as a flap closure (4) adapted to act as a non-return valve f... | 02/21/2006 |
| 6998075 | Method for casting of concrete products A method and apparatus are disclosed for slip-form casting a concrete product, the product being made from at least two different grades of concrete so that the concrete mix grade can be changed in an uninterrupted fashion during casting at a desired point along the... | 02/14/2006 |
| 6994820 | Method of forming a compressed composite product The present invention is a method of forming a compressed product. The method includes introducing a material into a press that is oscillating between a compression phase and a release phase. The material has a compression recovery response time when compressed and ... | 02/07/2006 |
| 6989116 | Compressed composite product formation and transport method The present invention is a method of forming a compressed product. The method includes introducing a material into a press. The material has a flow direction through the press. The press is arranged to have at least one platen oscillating between a compression phase... | 01/24/2006 |
| 6984350 | Method of and apparatus for manufacturing a web having filaments aligned in a transverse direction An apparatus for manufacturing a transversely aligned web has a spinning device provided with a plurality of nozzles for extruding molten polymer as filaments, and a conveyor on which the filaments spun by the spinning device are piled and traveling in a direction c... | 01/10/2006 |
| 6969476 | Method for casting a concrete product A method is disclosed for casting a concrete product using two or more different grades of concrete mix, in which method predetermined amounts of different grades of concrete mix are delivered at appropriate instants into the feeder hopper of the slip-form casting m... | 11/29/2005 |
| 6936201 | Surface coverings containing fused recycled material and processes of making the same A backing or an intermediate layer for a surface covering is described which comprises a fused recycled material, wherein the material comprises a thermoplastic material, for instance, a vinyl material from a vinyl backed carpet or vinyl backed carpet manufacturing ... | 08/30/2005 |
| 6913717 | Method of constructing a rail track in which a concrete track slab is produced and rail track anchor members are inserted into the track slab A method of constructing a rail track in which a concrete track slab is produced and rail track anchor members are inserted in the track slab by an inserter system mobile along the route of the rail track includes the following steps: using a machine for continuousl... | 07/05/2005 |
| 6911165 | Method for fabricating concrete slabs using a horizontal slip casting process A method is provided for fabricating a concrete slab in a substantially horizontal slip casting process method, concrete mix is fed into a mold through a delimited cross section moving progressively in the casting process so as to form a concrete product of a desire... | 06/28/2005 |
| 6849211 | Method for fabricating a concrete product A method is provided are for fabricating a concrete product in a substantially horizontal slip-form casting process, in which method concrete mix is fed into a slip-form mold of a defined cross section moving progressively in the casting process so as to give a conc... | 02/01/2005 |
| 6841110 | Method and plant for manufacturing prestressed concrete products A method for the production of prestressed concrete products and a plant for implementing the method. Moulds provided with pretensioned wires are moved through fixed casting machines into a hardening space. In the hardening space, the combination of mould and produc... | 01/11/2005 |
| 6841100 | Method for casting a concrete product A method is disclosed for casting a concrete product, in which method the concrete product is cast in an essentially horizontal slipform casting process during which the top surface height and profile of the concrete product being cast is measured continually. Based... | 01/11/2005 |
| 6808664 | Method of forming an air laid fibrous web Method for forming an air laid fibrous web, wherein an air born fiber stream is laid on a web shaped forming member, such as a wire, and the air laid fibrous web is bonded together. The air laid fibrous web is fed between two web-shaped forming members and bonding o... | 10/26/2004 |
| 6740282 | Method and device for magnetic alignment of fibres Magnetizable fibers dispersed in a viscous body, particularly reinforcing metal fibers dispersed in a wet cementitious material, is carried out by providing a fiber aligning member (15) having a nonmagnetic wall (17) including a first wall portion (... | 05/25/2004 |
| 6702966 | Method for manufacturing cement fiber sheets A method is provided for manufacturing cement fiber sheets by supplying slurry primarily including fibers and cement as main material components onto a permeable sheet, and suctioning and dewatering the slurry. The method includes a foreign matter removin... | 03/09/2004 |
| 6652788 | Quantitative continuous supplying method of columnar or square column-form pellets by action of ultrasonic waves A quantitatively extrusion supplying method of continuously supplying synthetic resin fine particulate matters by the action of ultraviolet vibration, wherein the fine particulate matters are composed of columnar or square column-form small pellets, in wh... | 11/25/2003 |
| 6625949 | Method of manufacturing automotive trim using vibration welding, and resulting article A method of manufacturing an automotive trim component/article. Extrusion is utilized to provide a colored and/or metallized sheet. The sheet is vacuum-formed into a three-dimensionally shaped preform or base structure. At least one mounting structure (e.... | 09/30/2003 |
| 6495078 | Transversely aligned web in which filaments spun at high rate aligned in the transverse direction The present invention relates to a method of producing a transversely aligned web comprising the steps of extruding melted resin from a spinning nozzle to direct the metal resin downward, blowing off a primary airflow at a high temperature and at high vel... | 12/17/2002 |
| 6416705 | Method for devulcanization of cross-linked elastomers A method and apparatus for devulcanizing cured or cross-linked elastomers. The method includes subdividing elastomeric raw material into small particle form, confining the particles of elastomer under high force, as in a screw extruder or the like and, as... | 07/09/2002 |
| 6398998 | Method for producing bodies of consolidated particulate material A method for producing shaped bodies of particulate material by introducing an easily flowable slurry of water and particulate material into a mold with perforated walls and by applying a sufficiently high pressure to the slurry in the mold so as to expre... | 06/04/2002 |
| 6309570 | Vacuum extrusion system for production of cement-based articles A system for making extruded cement-based articles. The process can include forming a cement-based feed mixture including water, aggregate and binder and directing the feed mixture to a vacuum zone, wherein sufficient vacuum is maintained in the vacuum zo... | 10/30/2001 |
| 6231796 | Pulsed method for creating composite structures A pulsed method for creating composite structures employs a pulsed application of compaction force to composite material. During the application of the compaction force, curing energy is intermittently or continually supplied to the composite material. On... | 05/15/2001 |
| 6159412 | Method for manufacture of liquid crystalline polymer films A method for making thermotropic liquid crystalline polymer films with improved transverse direction properties comprises two preferably embossed rollers which oscillate oppositely with respect to each along their respective rotational axes. Film made by ... | 12/12/2000 |
| 5989420 | Porous ceramic filter, method of manufacturing the same, ceramic filter manufacturing extrusion molding die and extrusion molding apparatus using the die A ceramic filter containing at least one functional material and method of manufacturing, a ceramic filter whose surface through which a liquid to be purified flows into is densest and the average particle size of the filter continuously increases toward ... | 11/23/1999 |
| 5925296 | Manufacture of structural members from solid waste The method and apparatus for forming a structural member from solid waste which consists of comminuting or shredding solid waste into particles one inch or smaller, adding a small amount of a thermoplastic material such as polyurethane or polyethylene to ... | 07/20/1999 |
| 5885495 | Viscosity control for molten plastics prior to molding A method for controlling the viscosity of molten polymers, such as polycarbonate, takes place prior to a molding operation such as injection molding, extrusion, thermoforming or blow molding. When a significant reduction of viscosity is desirable, the pla... | 03/23/1999 |
| 5863279 | Martial arts apparatus for mounting a breaking board A martial arts apparatus for mounting a breaking board with respect to a ground surface or another suitable structural member. A backing frame is adjustably mounted with respect to the structural support member. A back plate is adjustably mounted with res... | 01/26/1999 |
| 5853783 | Method and device for relaxing a sheet of dough Method and device for relaxing a sheet of dough, comprising a first conveyor belt, a second conveyor belt, a supporting device disposed between the first and second conveyor belts and a vibration generator interacting with the supporting device, in which ... | 12/29/1998 |
| 5846475 | Method for reducing shrinkage of extruded rubber Method and apparatus for reducing a shrinkage amount of a rubber member (51) which is comprised of a rubber (3) extruded from an extruder (1). At least one vibrator unit (10a, 10b) applies vibration to the extruded rubber (3) so as to increase the shrinka... | 12/08/1998 |
| 5814255 | Process and device for the continuous production of fiber-reinforced molded bodies from hydraulically setting materials A process and a device for the continuous production of fiber-reinforced molded bodies from hydraulically setting materials, wherein the setting materials are applied in a given width from at least two dispensers with a defined thickness in at least two s... | 09/29/1998 |
| 5779953 | Method and a device for making concrete products A method and a slide casting apparatus for casting concrete products. Concrete is fed into a mold through a feeding hopper (9) fitted above the mould. The feeding hopper (9) is moved so that the vertical component of the path of motion of the hopper's bot... | 07/14/1998 |
| 5772948 | Melt-blown fiber system with pivotal oscillating member and corresponding method A melt-blowing system and corresponding method are provided for making a nonwoven polymer filament blanket. Subsequent to formation and blowing of the polymer filaments toward a receiving conveyor, a pivoting oscillating member is provided through which t... | 06/30/1998 |
| 5770131 | Method and apparatus for applying an oscillating force on a molten material A process and apparatus for applying an oscillating force to a molten material. The apparatus includes a barrel in communication with a hopper for receiving a flow of moldable material. A screw conveyor is rotatable and axially reciprocatable within the b... | 06/23/1998 |
