Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7963759 | Mold base hold retainer and method of using A locking device for use with first and second mold plates, comprising an upper block including an axial cavity adapted to receive an upper projection end and adapted to be affixed to a first mold plate; a projection having upper and lower projection ends; a base ad... | 06/21/2011 |
| 7435593 | Hybrid bio actuator and method of manufacturing the same using 3-dimensional micro molding aligner A hybrid bio actuator and a manufacturing method thereof using a 3-dimensional micro molding aligning apparatus are provided. The manufacturing method has the steps of: 3-dimensionally forming an actuator body with polymer using the micro molding aligning apparatus;... | 10/14/2008 |
| 7435071 | Closure unit for an injection moulding device A clamping unit includes two fixed platens, kept at a distance by tie bars, a platen which can be displaced in relation to the fixed platens, part of an injection mold respectively being arranged on one of the fixed platens and on the displaceable platen, a force ge... | 10/14/2008 |
| 7404920 | Molding-system clamp assembly A molding-system clamp assembly of a molding system is disclosed, and includes a clamp piston, and a clamp ram, the clamp ram and the clamp piston each including inter-meshable structures to selectively inter-mesh the clamp piston to the clamp ram, in the unmeshed p... | 07/29/2008 |
| 7402037 | Mold clamping unit The mold clamping unit comprises a column mounted in a transfer means and moving in forward and backward direction; a mold clamping piston in which clamping operation and clamping-releasing operation are performed; plurality of column teeth disposed on a surface of ... | 07/22/2008 |
| 7399441 | Clamping unit with a platen hydrostatically supported on a frame element A clamping unit, particularly for an injection molding machine, includes at least one moving platen which is moveably arranged on a frame element. At least one hydrostatic support is provided in an area between the platen and the frame element for facilitating back ... | 07/15/2008 |
| 7390186 | Structural building panels, apparatus and method for fabricating structural building panels The present invention provides an apparatus and method for fabricating structural building panels. The apparatus may be used for fabricating panels directly on the foundation for a building. The apparatus may include a support frame, a flattening frame, a press fram... | 06/24/2008 |
| 7390188 | Resin molding apparatus A resin molding apparatus includes a fixing member to which a top mold is attached, a movable member to which a bottom mold is attached, a push-up member provided below the movable member, a drive mechanism moving the push-up member in upward/downward direction, and... | 06/24/2008 |
| 7387506 | Mold apparatus In a mold apparatus, guide pins are provided at a movable mold, and guide holes are formed in a fixed mold, and even when the guide pins are offset in an arbitrary direction perpendicular to a mold clamping direction, the guide holes can be fitted respectively to th... | 06/17/2008 |
| 7384253 | Method and device for coating the surface of an interior component for motor vehicles To provide a method for coating the surface of an interior component for motor vehicles which can be carried out in a cost-effective and simple way it is proposed that the interior component is positioned at a distance from a molded part in the region of its surface... | 06/10/2008 |
| 7367140 | Method of drying molds and apparatus for supplying drying air In a method of drying molds or mold parts for the manufacture of optical lenses, in particular ophthalmic lenses and especially contact lenses, the mold or mold part to be dried is exposed to drying air. For this purpose, humid pressurized air (T) is used to which t... | 05/06/2008 |
| 7364422 | Mould driving device A driving device for moulds for the production of containers, for example, bottles or the like made of polyethylene, polypropylene or other plastic materials, in which the moulds (2) consist of two half-shells (3) designed to be brought together and pr... | 04/29/2008 |
| 7354190 | Two-stage mixing system, apparatus, and method A two-stage mixing system, apparatus, and method produces a solution including a first substance and a second substance in a predetermined ratio by first mixing the first substance with a first liquid to produce a first solution and then mixing the first solution wi... | 04/08/2008 |
| 7347067 | Mold for an I.S. machine A mold is disclosed which has a vertical front face having a glass object surface defined therein and a stepped vertical rear surface. The upper portion of the rear surface projects outwardly from the lower portion of the rear surface. The lower rear surface include... | 03/25/2008 |
| 7326050 | Injection moulding machine with a substantially C-shaped machine frame An Injection moulding machine with substantially C-shaped machine frames including a joint part arranged between at least one die platen and the machine frame, the joint part comprising a beam extending in the longitudinal direction of the machine which is deformed ... | 02/05/2008 |
| 7320580 | Apparatus and method for loading and unloading a tire press A tire press has an upper mold fixedly attached to a top plate. A bottom mold is fixedly attached to a bottom plate. The tire press has a plurality of guide posts adapted to maintain proper alignment of the upper mold and the lower mold as the tire press opens and c... | 01/22/2008 |
| 7318721 | Molding-system platen Disclosed are molding-system platens, molding systems that include the molding-system platens, and a method of a molding-system platen. ... | 01/15/2008 |
| 7316260 | Mold clamping apparatus There is provided a mold clamping apparatus which has a space-saving apparatus construction and can easily carry out mold replacement. The mold clamping apparatus includes: a base; a fixed die plate, fixed on the base, for mounting a fixed mold thereto; a movable di... | 01/08/2008 |
| 7311517 | Mold clamping device and molding method A movable platen (4) capable of advance and retraction with respect to a fixed plate is provided with a tie bar connecting device (12) for meshing a split nut (18) with the multiple groove portion (16) of a tie bar (10), and a mold... | 12/25/2007 |
| 7293979 | Molding device A molding device moves at least one molding tool (10), especially for generating head geometries in plastic containers, by a link motion (22). The link motion brings the respective molding tool (10) into the closed position at least for closing ... | 11/13/2007 |
| 7287972 | Mold clamping apparatus and molding machine To provide a mold clamping apparatus able to suppress spout of a molding material from between mating faces of dies and to extend the lifetime of the dies. A mold clamping apparatus has a control apparatus deciding a distribution of a load divided by a plurality of ... | 10/30/2007 |
| 7278848 | Molding device A molding device includes a device for displacing at least one molding tool (10, 10a), especially for the production of geometrics of plastic containers, by a linking motion (12) which brings the respective molding tool (10, 10a) i... | 10/09/2007 |
| 7280692 | System and method for image editing A system and method for editing images. Each image editing operation is described by a few parameters. Multiple users can share image processing changes by sharing a few set of parameters instead of the whole bitmaps of the images. An Editing List describes the para... | 10/09/2007 |
| 7252495 | Press-molding mold A press-molding mold includes a first mold part (10), a second mold part (20), a bushing (40), a first latching pin (50) and a second latching pin (70). The second mold part (20) defines a longitudinal central axis (21 | 08/07/2007 |
| 7229265 | Mold lock with lubricating grooves A mold for maintaining alignment between mold halves despite a thermal differential between the mold halves. The lock comprises (1) a T-shaped member, consisting of an enlarged, rectangular head and a tongue extending therefrom, and (2) a receptacle with an outwardl... | 06/12/2007 |
| 7223091 | Mould assembly with closure mechanism A mould assembly includes a first mould part (2) and a second mould part (4) for moulding a wind turbine blade of fibre-reinforced polymer. The assembly has a hinge mechanism (6) with a hinge line (7) extending parallel to the two mould p... | 05/29/2007 |
| 7220119 | Pre-stressed tie rod and method of manufacture The present invention relates to a pre-stressed tie rod and method of manufacture. The pre-stressed tie rod can be used on injection molding machines to increase the length of the tie rod and movement of the platen, wherein the tie rods are loaded to restrict mold s... | 05/22/2007 |
| 7217118 | Compression head stabilizer A stabilizer kit for a compression head of a concrete block machine is provided, the kit including a stabilizer plate, a fiber disc, a stud, a pair of spacer plates and a set of bolts for attaching the stabilizer plate and a pair of spacer plates to and between an u... | 05/15/2007 |
| 7186111 | Hybrid injection unit, and injection molding machine with a hybrid injection unit A hybrid injection unit for an injection molding machine includes a plasticizing screw having a shaft and constructed for rotation and axial displacement. Operatively connected to the shaft is a first electric motor for rotating the plasticizing screw, and a second ... | 03/06/2007 |
| 7186106 | Molding machine and molding method In a molding machine, a fixed platen which supports a fixed die is disposed on one end of a base plate. A movable platen which supports a movable die and a supporting mount which supports each one end portion of the four tie bars are mounted on slide units. The mova... | 03/06/2007 |
| 7168946 | Movable-die support device and die clamping unit A support device for a movable die comprises a linear guide, a base, a movable platen, a driving mechanism which linearly moves the base, and a securing mechanism which secures the movable platen to the base. The base is guided by the linear guide and is linearly mo... | 01/30/2007 |
| 7168944 | Energy efficient extruder drive An energy efficient drive system is provided for use on typical injection molding machines whereby a single electric motor drives both the extruder screw and a hydraulic motor that continuously charges a hydraulic accumulator during the extrusion process. During the... | 01/30/2007 |
| 7144534 | Method and device for producing rebonded foam blocks The invention relates to a method of producing rebonded foam blocks in a box mould having a base, a plurality of mutually adjacent mould side walls standing thereupon and a plunger movable in the direction of the base, in which at least one of the mould side walls m... | 12/05/2006 |
| 7134863 | Mold clamping mechanism for injection molding machine Jack-up bolts are provided at two places along the rear platen movement direction on both sides of a lower part of a rear platen of an injection molding machine. The jack-up bolt engages threadedly with a bolt hole formed in the rear platen, and a lower end face of ... | 11/14/2006 |
| 7080978 | Platen A platen (50) for a molding machine includes an intermediate support structure (20) between two planar walls (16, 18) having ribs (40) arranged at a non-normal angle β to a first wall (18). The ribs (40) couple forces from ... | 07/25/2006 |
| RE39193 | Injection molding machine having a platen for uniform distribution of clamping forces An injection molding machine includes a movable platen specifically adapted to uniformly distribute a clamp force to the mold half surfaces thereby reducing localized deflections and unwanted flash on the molded article. ... | 07/18/2006 |
| 7063010 | Platen design for a C-frame press A platen design is provided for a C-frame press whereby an un-stiffened platen column connected in series to the tie rod; therefore, the stiffness of the tie rod is reduced. The unique design improves the fatigue strength of the tie rod by moving the reinforcing web... | 06/20/2006 |
| 7056111 | Powder press forming apparatus and method of powder press forming A dry forming apparatus includes a carrying table (mold-transfer mechanism) which transfers a mold containing a die and punch units at least between a powder supply stage, a pressing stage, and a formed-product removing stage, a pressing driving mechanism which driv... | 06/06/2006 |
| 7003953 | Drive device, particularly for the closing unit, the injection unit or the ejectors of a plastic injection molding machine A drive device for closing unit, injection unit or ejectors of a plastics injection molding machine, has a drive element which is axially moveable, and a hydraulic unit which is moveable by the drive element in the same direction as the drive element. The hydraulic ... | 02/28/2006 |
| 7004748 | Fixing device for moulds A fixing device for moulds for plastic articles, where a pair of half-moulds (3, 4) in which a force plug (11) can be inserted, comprises at least one tie rod (6) for keeping the two half-moulds in a closed position, the said tie rod being hinge... | 02/28/2006 |
