Did You Know...
...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
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| Number | Title | Issue Date |
| 5080854 | Method of die forming using elastically deformable die A method of die forming using an elastically deformable die is characterized by using a die provided in advance with a prescribed pattern of thickness variation, allowing the die to be elastically deformed by the pressure it receives from the material bei... | 01/14/1992 |
| 5073330 | Method of molding polysilazane A method of molding polysilazane which includes heating a liquid sheet composed of liquid polysilazane alone or containing not more than 30 wt. % of a ceramic powder or a ceramic precursor to form a highly viscous sheet having a viscosity coefficient of 1... | 12/17/1991 |
| 5073237 | Method of making molds for electrodeposition forming of microstructured bodies In a method of making molds with microstructured recesses having a continuous base covered by a film of an electrically conductive material for forming in the recesses, by electrodeposition, microstructured plate-like bodies a microstructure master mold i... | 12/17/1991 |
| 5071886 | Heat-shrinkable, tubular foam A heat-shrinkable, tubular foam can be produced from a composition which comprises 100 parts by weight of an ethylene--olefin-nonconjugated diene copolymer, 1 to 20 parts by weight of a foaming agent, 5 to 100 parts by weight of a thermoplastic res... | 12/10/1991 |
| 5069857 | Process for the production of molded articles by deep-drawing prefabricated polyurethane(urea) parts or by pressing fragmented polyurethane(urea) material The invention is directed to a process for the production of molded articles by deep-drawing a prefabricated polyurethane(urea) part produced from a polyisocyanate polyaddition product having a specific gravity of at least 0.8 g/cm3. The part i... | 12/03/1991 |
| 5066351 | Hot/cold press forming methods for shaping thermoformable materials One method of forming a workpiece made of thermoformable material includes the steps of: (a) supporting a raw workpiece on a suspension tray; (b) moving a pair of relatively hot forming dies into position above the workpiece; (c) closing the hot forming d... | 11/19/1991 |
| 5063014 | Method for molding trim strips by extrusion molding in an open mold Automotive trim strips are molded in an open-faced mold cavity by extruding a ribbon of plastic therein and moving a shaping roller thereover to compression mold the viewing surface of the trim strip into conformity with the surface of the mold cavity and... | 11/05/1991 |
| 5055251 | Proces and apparatus for forming extremities of tubes Forming process, during vulcanization on a mandrel, of the end portions of rubber tubes, using a tool having a radially deformable skirt in the form of a corolla, made of vulcanized rubber which encloses the end portions of rubber tubes using solely the a... | 10/08/1991 |
| 5053438 | Foam material A foam material, particularly suitable for use as a midsole material for an athletic shoe, comprises polyethylene modified by an elastomer modifier and cross-linked, preferably using a peroxide cross-linking agent, to form a closed cell foam material whic... | 10/01/1991 |
| 5049060 | Seal flaring and shipping mandrel assembly The Assembly has a circular platform, which is threaded about its periphery, and has an upstanding stub about which to set a sleeve-type or cylindrical seal, as well as an arcuately cross-sectioned groove in circumscription of the base of the stub. A cup-... | 09/17/1991 |
| 5049332 | Method of making conductive metal-filled substrates without developing agents A conductive-metal-filled substrate is formed by intermingling oxide coated, non-conductive copper or nickel particles into a substrate having a softening point of at least 200° C. followed by compression molding at a temperature of at least 200° C. The... | 09/17/1991 |
| 5043115 | Heat-shrinkable, tubular foam A heat-shrinkable, tubular foam can be produced from a composition which comprises 100 parts by weight of an ethylene--olefin-nonconjugated diene copolymer, 1 to 20 parts by weight of a foaming agent, 5 to 100 parts by weight of a thermoplastic res... | 08/27/1991 |
| 5043125 | Method of forming a chain of meandering coupling elements for slide fasteners A method of forming a chain of meandering or zig-zag coupling elements for slide fasteners includes dividing or bifurcating a continuous length of substantially cross-sectionally circular monofilamentary material axially into identical halves of substanti... | 08/27/1991 |
| 5039462 | Method and apparatus for producing biaxially oriented polymer sheet This invention provides a process for producing biaxially oriented polymer sheet. This process includes the steps of introducing a polymer slab into a deformation zone defined between working surfaces of a set of working tools including a first working to... | 08/13/1991 |
| 5033633 | Plastic closure with safety button and method of forming same This relates to the formation of a vacuum indicating button in a molded plastic closure. The button is formed by cold working which results in the flow of plastic material from a central portion of the end panel towards the center of the central portion a... | 07/23/1991 |
| 5032343 | Method for producing medical micro pipette tips for difficult to reach places Low cost medical micro pipette tips for difficult to reach places, and related methods. The leading or distal portion of the micro pipette tips are materially elongated and ultra thin. This accommodates placement of the distal influent port, for receiving... | 07/16/1991 |
| 5026511 | Process for the production of polyethylene materials A process for producing a polyethylene material for use in products requiring high mechanical strength and high elastic modulus is disclosed. The process involves the use of a specific class of particulate polyethylenes having an intrinsic viscosity of 5-... | 06/25/1991 |
| 5015427 | Process for making an orthotic footwear insert An orthotic footwear insert is made of a resilient shock-absorbing layer. The layer has an upper surface, intended to receive the heel, the upper surface having a plurality of outwardly projecting nodules arranged in a waffle-like pattern which defines th... | 05/14/1991 |
| 5000215 | Bellows seal for valves and the like A unique bellows seal for sealing valve components, joining sections of pipe together, and the like, includes an elongate, accordion-pleated body having first and second ends and a plurality of axially spaced apart reinforcing rings thereon. The seal is m... | 03/19/1991 |
| 4997691 | Retortable container A retortable container has a wall of at least two co-formed laminas. This wall is highly impermeable to fluids selected from the group consisting of oxygen and aromatic vapors. The wall includes a first load-carrying lamina of a first plastic material. Th... | 03/05/1991 |
| 4997703 | Molding material containing fillers A molding material consists of a curable synthetic resin, reinforcing fibers and fillers, the synthetic resin being applied in two layers to the reinforcing fibers: In an inner layer, the reinforcing fibers are impregnated with a synthetic resin component... | 03/05/1991 |
| 4996011 | Production of polyethylene materials having improved strength and modulus qualities A process for producing polyethylene materials in which ultrahigh molecular polyethylene is molded by compression, extrusion or rolling and stretching in a solid phase and at specified temperatures. The polymer is formed by a selected multi-stage polymeri... | 02/26/1991 |
| 4985195 | Method of forming a molecularly polarized polmeric sheet into a non-planar shape A method for forming sheets of polarized PVDF into non-planar shaped bodies is described. The technique includes the steps of shaping the polymer material by disposing a sheet of the polymer material about a non-planar surface and subjecting the sheet of ... | 01/15/1991 |
| 4980340 | Method of forming superconductor The method of producing a superconducting product includes: (a) providing a pressed-powder preform consisting essentially of YBa2 Cu3 O7-x where 0.0 | 12/25/1990 |
| 4976902 | Molding method for producing expanded polyolefin foam An expanded polyolefin foam with uniform fine closed cells is produced by placing a pre-form of a heat-expandable polyolefin resin composition in a mold cavity of generally uniform depth and closed by a platen, heating the mold to a temperature above the ... | 12/11/1990 |
| 4976905 | Method and apparatus for making wood product A composite lumber product of consolidated comminuted wood and thermosetting resin made by a method which comprises densifying the material into a product-shaped heated metal mold by applying the compressing thrust in a direction parallel to the width dim... | 12/11/1990 |
| 4971544 | Apparatus for charging a mold to produce molded plastic parts An apparatus for charging an open mold with a plasticized material to produce molded plastic parts has a movable endless belt to define a surface upon which is received a plurality of masses of plastic material in a predetermined arrangement after the mat... | 11/20/1990 |
| 4971748 | Method for producing a three-dimensionally shaped aromatic imide polymer sheet article A three-dimensionally shaped aromatic imide polymer sheet article is produced by a method comprising the steps of shaping an aromatic imide polymer sheet having a second order transition temperature of 250° C. to 400° C. and an ultimate elongation of 12... | 11/20/1990 |
| 4970044 | Compression molding using insulating films Deformable insulating films are used as mold liners in a compression molding process. The film delays the initial cooling of the preheated thermoplastic charge. The film also serves as a plastic charge carrier and convection barrier during transport of th... | 11/13/1990 |
| 4968468 | Method for making friction elements such as brakeshoes and clutch plates A method for charging a press for making brakeshoes and the like utilizes an intermediate mold to carry the precompacted powder. The intermediate mold is positioned on the press mold and the powder engaged by the raised press ram and a lowered ejection ra... | 11/06/1990 |
| 4968461 | Method for the production of unsaturated polyester resin based articles by moulding An unsaturated-polyester-resin-based mass to be moulded, obtained from a pulsating screw mixer, is compressed into brick-shaped compacted articles of suitable dimensions and then subjected to a radio frequency to bring it to a high temperature and render ... | 11/06/1990 |
| 4963307 | Method for producing a tablet for resin-molding semiconductor devices and resin-molding method making use of the tablet A resin-molding tablet for use in resin-molding semiconductor devices has a tablet body formed of powdered or particulate resin. The particles of the resin are compacted such as to form voids between adjacent particles. At least the outer peripheral regio... | 10/16/1990 |
| 4960553 | Method for forming articles having deep drawn portions from matted wood flakes An article having non-planar portions, such as a material handling pallet, including a substantially flat deck member and a plurality of hollow leg members projecting integrally from the deck member, is molded as a one-piece unit from a loosely-felted mat... | 10/02/1990 |
| 4951954 | High temperature low friction seal A high temperature low friction dynamic seal includes a wire mesh base portion and a compressed shell portion on the base portion. The shell portion includes between approximately 2% and 30% of high aspect ratio vermiculite having a mean particle size of ... | 08/28/1990 |
| 4950439 | Glossy finish fiber reinforced molded product Described are smooth, glossy finished fiber reinforced thermoplastic prepreg materials composed of reinforcement fibers impregnated with and surrounded by thermoplastic. Prior to consolidation, the material preferably consists of thermoplastic fibers and ... | 08/21/1990 |
| 4950362 | Heat-insulating shaped fibrous articles and a process for producing them Elastic, heat-insulating shapes of ceramic, refractory or fireproof fibers and, where needed, further refractory or fireproof substances, and temporary or inorganic binders, as well as a process for the preparation thereof. The heat-insulating shapes are ... | 08/21/1990 |
| 4948661 | Glossy finish fiber reinforced molded product and processes of construction Fiber reinforced thermoplastic molded products, sheets, and the like, having a glossy surface are produced by intimately blending discrete reinforcing fibers (e.g. fiberglass) and thermoplastic fibers (e.g. polypropylene or polycarbonate) into a web. The ... | 08/14/1990 |
| 4948355 | Hot/cold press forming apparatus for thermoformable materials One apparatus for forming a workpiece made of thermoformable material includes: (a) a base member; (b) a positioning frame supported by the base member; (c) a suspension tray for supporting a raw workpiece, the suspension tray being supported by the posit... | 08/14/1990 |
| 4948006 | Container with metallic cover and method of manufacturing the same This invention relates to a container with a metallic cover, including a container body having a plastic flanged portion and a metallic cover provided with a peripheral edge which is roll-seamed around the flanged portion. A method of manufacturing the co... | 08/14/1990 |
| 4948540 | Method of preparing collagen dressing sheet material A mechanically stable, conformable collagen wound dressing sheet material is fabricated by lyophilizing (freeze-drying) a collagen composition and compressing the porous pad thus produced at a pressure between about 15,000-30,000 p.s.i. The sheet material... | 08/14/1990 |
