In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7845933 | Automatic gathering pre-shape machine An automatic gathering pre-shape machine has a main body and a gathering device. The main body can make plastic films formed into a circular shape with an annular flange formed around a top edge of the film. The gathering device allows a pre-shaped plastic film be b... | 12/07/2010 |
| 7329114 | Isothermal imprint embossing system Isothermal imprint embossing system. In one embodiment, the system includes a heater to pre-heat a disk substrate to an embossing temperature, a die assembly with an embossing foil to imprint the embossable film disposed on the disk substrate, and a heat tunnel disp... | 02/12/2008 |
| 7320176 | Assembly device of support mat for ceramic catalyst carrier An assembly device includes: a push-in unit provided in a vertically movable tool base to push a ceramic catalyst carrier together with a support mat into a recession of a shaping die; a first and second pressing units for pressing both end portions of the mat from ... | 01/22/2008 |
| 7311512 | Three-dimensional hard copy apparatus A three-dimensional hard copy apparatus including: a shape forming unit including plural display pins having a contact unit, which selectively contacts a thermoplastic sheet, and moves relative to a display surface and is capable of forming a predetermined pattern; ... | 12/25/2007 |
| 7255552 | Method and device for thermoforming of containers Blanks (12) of thermoplastic material are heated, and a thermoforming step is performed in which the heated blanks are deformed plastically by stretching. Before the thermoforming step, a die-punching step is performed in which the peripheral regions of the b... | 08/14/2007 |
| 7229274 | Tooling system A tooling system in a press for forming a product from a blank of material disposed between a punch assembly and a die assembly and a method of using the same. The tooling system comprises a knockout and a bushing. The knockout further comprises a shaft having oppos... | 06/12/2007 |
| 7207792 | Expansion tube having expansion slits and apparatus for manufacturing heat shrinkable tube having the expansion tube The present invention relates to an expansion tube that has a plurality of expansion slits on the outer peripheral surface thereof long a longitudinal direction, each of the expansion slits having a predetermined width and a relatively larger length than the predete... | 04/24/2007 |
| 7150622 | Systems for magnification and distortion correction for imprint lithography processes The present invention is directed toward a system to vary dimensions of a template in order to attenuate if not prevent distortions in an underlying pattern formed by the template. To that end, the system features a compression device that includes a pair of spaced-... | 12/19/2006 |
| 7140863 | Method for producing a container from a thermoplastic film, and molding tool for executing the method A method and a molding tool for producing containers from a thermoplastic plastic film. The method and tool permit the production of containers having a hollow floor and a double-walled standing base, with a seal between the two walls of the standing base. The metho... | 11/28/2006 |
| 7090485 | Method and apparatus for forming large articles Method and apparatus of forming articles includes a press having a pair of opposite platens. An articulated clamping frame is mounted between the platens, each of which are moveable toward and away from the clamping frame. Material to be formed is clamped into the c... | 08/15/2006 |
| 7070729 | Pressware die set with product ejectors at outer forming surfaces An improved pressware die set includes mechanical ejectors for removing formed product from the punch. A preferred embodiment includes rocker-style ejectors free from edges or other asperities which may tend to snag and mar the product during the production process.... | 07/04/2006 |
| 7029266 | Methods and apparatuses for shaping a printed circuit board Methods and apparatuses for shaping a corner of a printed circuit board are disclosed. An apparatus in accordance with one embodiment includes a carrier configured to releasably contact a printed circuit board, a curved contact surface positioned to roll against a c... | 04/18/2006 |
| 7029259 | Apparatus for making slotted tubular dunnage The present invention involves an apparatus for making slotted tubular dunnage in which a resilient plastic tube having a pair of flanges at opposite sides extending along the length of the tube is held by gripping the flanges at opposite sides of the tube and squee... | 04/18/2006 |
| 7025922 | Method of manufacturing a bellows A method of manufacturing a plastics material bellows, wherein a preform is made by molding plastics material in a mold, the mold having preferred deformation zones, and then before the part has completely left the mold, the bellows is formed by folding the preform ... | 04/11/2006 |
| 7018579 | Manufacturing system and process A manufacturing system and method for use in the production of high strength plastic materials which can be used in the construction arts. The system and method includes a central rotary mold element which has vacuum means and cooling means placed inside thereof. He... | 03/28/2006 |
| 6976835 | Manufacturing system and process A manufacturing system and method for use in the production of high strength plastic materials which can be used in the construction arts. The system and method includes a central rotary mold element which has vacuum means and cooling means placed inside thereof. He... | 12/20/2005 |
| 6971867 | Recovery apparatus of molded parts Thin and light molded parts released from a die are prevented from sticking by static electricity, by forming the recovery chute of molded part with fine wire gauze. The recovery receptacle 16, 17 for molded parts, molded parts introduction tube 23 and... | 12/06/2005 |
| 6929460 | Dough handling apparatus A dough cutting apparatus is disclosed including a plurality of dough cutting members (6), each of which is adapted for cutting a desired shape out of a strip of dough. Each dough cutting member is spaced apart from an adjacent cutting member by a predetermin... | 08/16/2005 |
| 6923926 | Method and apparatus for forming tow-based absorbent structures with a single casing sheet An apparatus and method for forming tow-based absorbent structures having a single casing sheet are disclosed. The apparatus has a tow supply mechanism for providing tow material, a particulate matter supply mechanism for providing particulate matter, and a casing s... | 08/02/2005 |
| 6918753 | Dual-mold thermoforming press The thermoforming press has a frame, a forming die assembly affixed to the frame, a mold-supporting table suspended to the frame under the forming die assembly, and a pair of molds mounted side by side on the mold-supporting table. A drive system is provided for imp... | 07/19/2005 |
| 6908296 | Tooling system A tooling system in a press for forming a product from a blank of material disposed between a punch assembly and a die assembly and a method of using the same. The tooling system comprises a knockout and a bushing. The knockout further comprises a shaft having oppos... | 06/21/2005 |
| 6896506 | Method and apparatus for scrapless thermoforming A thermoforming machine includes a loading station configured to load a thermoplastic billet onto a frame. The frame has an outer ring and a billet support blade defining a channel therebetween. The billet support blade engages the billet to maintain the billet on t... | 05/24/2005 |
| 6843947 | Method for roughing surfaces of concrete casted blocks A method for roughing surfaces and edges of concrete casted blocks, comprising a block support surface having a plurality of surface sections. A first of the surface sections has a rear end thereof above an adjacent front end of a second of the surface sections to c... | 01/18/2005 |
| 6803002 | Method for making and treating wall blocks A method for treating the surfaces and edges of a block to mimic the appearance of natural stone. The apparatus and method can treat up to four sides of a block, can be adjusted to provide varying degrees of surface and edge treatment, and useful in high volume bloc... | 10/12/2004 |
| 6790400 | Method and device for making a container provided with a label The present invention relates to a method and to Apparatus for molding a receptacle fitted with a covering label. The technical field of the invention is that of molding a receptacle out of plastics material. In a method of molding a receptacle fitted with a coverin... | 09/14/2004 |
| 6783720 | Punch stripper ring knock-out for pressware die sets In a pressware die set, a segmented punch for fabricating a pressed disposable food service article having a substantially planar bottom portion, a sidewall and a rim portion. In one embodiment, the punch is mounted to reciprocate cyclically between an open position... | 08/31/2004 |
| 6733271 | Extensible gripper for clamping the head portions of plastics material plates and thermoforming apparatus for on-line thermoforming plastics material plates including said gripper Extensible gripper for clamping plastics material plates on thermoforming apparatus for on-line thermoforming the plastics material plates, in which supporting assemblies support slidably with respect to a central body, sliding blocks which can be driven to project ... | 05/11/2004 |
| 6619946 | Apparatus for trimming and performing a second operation on plastic containers An apparatus and method for trimming and performing a second operation on containers, such as plastic containers. The apparatus comprises modular container processing stations. One modular station is a pretrim station including a starwheel, blade, and rol... | 09/16/2003 |
| 6589043 | Punch stripper ring knock-out for pressware die sets In a pressware die set, a segmented punch for fabricating a pressed disposable food service article having a substantially planar bottom portion, a sidewall and a rim portion. In one embodiment, the punch is mounted to reciprocate cyclically between an op... | 07/08/2003 |
| 6558150 | Arrangement for moving a turntable in an apparatus for molding and punching out containers from thermoplastic plastic foil The method of moving a turntable in an apparatus for molding and punching out containers from a thermoplastic plastic foil by a differential pressure is to be executed such that relatively-small gravitational forces occur as the end positions of the pivot... | 05/06/2003 |
| 6530772 | System for making aerated concrete blocks having at least one passageway drilled therein A system for making aerated concrete blocks produces such blocks having at least one passageway therein. The system may include a molding station for receiving materials for making aerated concrete and for allowing the materials to rise and stiffen into a... | 03/11/2003 |
| 6494704 | Mold apparatus Mold press apparatus for use in the manufacture of molded articles, particularly starch-bound containers and other articles. The mold press apparatus includes a planar array of female mold halves and a corresponding planar array of male mold halves. The p... | 12/17/2002 |
| 6454557 | Thermoforming machine with linear recirculation of sheet holding frames A thermoforming machine utilizes two clamping frames to advance cut sheets through heating and forming stations, with the clamping frames returned via an overhead path above the oven in the heating station. Pneumatic cylinders arranged about the inner per... | 09/24/2002 |
| 6394783 | Continuous rotary melt thermoformer An apparatus for thermoforming a thermoplastic article comprises an extrusion die for extruding a sheet of thermoplastic and a rotating wheel having at least one mold member. The mold member includes a male mold or forming cavity for receiving at least a ... | 05/28/2002 |
| 6383432 | High-speed apparatus and method for producing thermoplastic synthetic fibers A compact in-line high-speed apparatus and method for producing thermoplastic synthetic fibers includes a melt spinning device with a spinning block and a tow drawer; wherein the spinning block has at least one extruder, at least one spinneret block, and ... | 05/07/2002 |
| 6340296 | System for producing optical data carriers A system for producing disc-like optical data carriers comprises an injection-molding machine for manufacturing a disc-like substrate, and a finishing device for applying a reflective layer to the substrate and for applying a protective layer to the refle... | 01/22/2002 |
| 6336805 | Plate device for withdrawing and moving a molding of thermoformed objects away from a thermoforming press A device for withdrawing and carrying away thermoformed objects from a thermoforming single-station apparatus or press having a support frame, a feeder of sheet or tape material as well as a female die and a counterdie which are movably arranged one with ... | 01/08/2002 |
| 6334767 | Machine for manufacturing thermoplastic tubes The machine of the present invention is a means for manufacturing thermoplastic tubes from hollow thermoplastic sleeves by a variety of different manufacturing processes. The machine is a single apparatus having an indexing table with a plurality of mandr... | 01/01/2002 |
| 6270334 | Device for automatic insertion of a strip of synthetic film into a transverse drawing machine This device ensures insertion of a film into the entrance of a transverse drawing machine, leaving a longitudinal drawing machine. This device includes a fixed cylinder with an axis perpendicular to the travel axis of the film, located upstream of the ent... | 08/07/2001 |
| 6224366 | On-line thermoforming machine An improved on-line thermoforming machine comprises at least a loading station (2) for loading a sheet-like plastic material (in plate or coil form), at least a heating station (3), a thermoforming station (4) and a unloading station (5) for unloading the... | 05/01/2001 |