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| Number | Title | Issue Date |
| 7614867 | Earplug shaper and method of use An earplug shaping device shapes a compressible earplug prior to insertion of the earplug into a user's ear canal. The device includes upper and lower structural elements which slidingly engage one another. Each of the upper and lower structural elements include a s... | 11/10/2009 |
| 7407377 | Balloon folding technology An apparatus for folding a catheter balloon comprises a stationary base member; a rotatable drive hub which is moveable in relation to the stationary base member; and a pleating head aligned with respect to the stationary base member and to the rotatable drive hub. ... | 08/05/2008 |
| 7306443 | Rotational moulding machine A rotational moulding machine includes three mould manipulator arrangements and a rotatable carrousel on which the manipulators are mounted for indexed rotation between heating, cooling and mould loading stations. Each manipulator includes a rectangular frame, stub ... | 12/11/2007 |
| 7168940 | Method and apparatus for treating a disc substrate A molded disc substrate obtained by injection molding is rotated at high speed before the molded disc substrate has solidified, and a gas is also made to flow in an outward radial direction along a bottom surface of the molded disc substrate while the molded disc su... | 01/30/2007 |
| 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 |
| 6988881 | Balloon folding technology An apparatus for folding a catheter balloon comprises a stationary base member; a rotatable drive hub which is moveable in relation to the stationary base member; and a pleating head aligned with respect to the stationary base member and to the rotatable drive hub. ... | 01/24/2006 |
| 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 |
| 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 |
| 6773248 | Molding device for molding an inner end portion of a paper pipe A molding device for molding an inner portion of a paper pipe has a molding head, an annular seat disposed on the molding head, an oil supply tube inserted through the annular seat and inserted in the molding head, a rotating device connected to the oil supply tube,... | 08/10/2004 |
| 6761921 | Sushi mold apparatus and method of making same The present invention provides a kit (200) for producing a high quality sushi product with uniformity and at a high rate of production. The kit (200) includes a Nigiri Sushi mold (10, 110) and a California Sushi Roll apparatus (54, 154.) ... | 07/13/2004 |
| 6756007 | Method for preparing an implantable prosthesis for loading into a delivery apparatus A method and method to ensure the uniform collapse and diminished loading forces of a prosthesis, the prosthesis having at least one layer of biocompatible material. The device includes a way to stabilize the prosthesis, wherein the prosthesis can be incrementally a... | 06/29/2004 |
| 6640587 | Lubricated glass mold A mold for shaping end portions of glass tubes has first and second mating members which define a contoured bore into which the heated tube fits. Each member has a longitudinal bore from which extend radial bores opening into the interior cavity of the mo... | 11/04/2003 |
| 6589042 | Apparatus for shaping thermoplastics materials An apparatus for shaping thermoplastic materials or for laminating backing parts includes a turntable driven by a rotary drive and having rests for receiving supporting devices for lower molds or backing parts. The turntable has a plurality of receiving p... | 07/08/2003 |
| 6540501 | Method and apparatus for producing concrete blocks with textured surfaces A method for creating decorative patterns on surfaces of cured concrete blocks includes a plurality of texturing elements secured to one or more rotatable shaft via a plurality of flexible support cables. Upon rotation of the shaft, centrifugal force caus... | 04/01/2003 |
| 6419475 | Apparatus for treating paint roller covers A method for treating a roller cover includes the steps of positioning an element with respect to a roller cover and removing a portion of the roller cover with the element to form a pattern on the roller cover. The process for treating roller covers for ... | 07/16/2002 |
| 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 |
| 6250908 | Conduit-making apparatus with a variable diameter winding drum An apparatus is disclosed for making a conduit or pipe. An extruder is provided for producing a strip of continuous thermoplastic. A winding drum receives the strip and helically winds the strip around the drum's perimeter to form a conduit having an inne... | 06/26/2001 |
| 6221189 | Method for manufacturing thermoplastic tubes A method for manufacturing thermoplastic tubes from hollow thermoplastic sleeves by a variety of different manufacturing processes. The machine used in the method is a single apparatus having an indexing device with a plurality of mandrels for holding hol... | 04/24/2001 |
| 6203309 | Apparatus for embossing paint rollers An apparatus for embossing a cylindrical object such as a paint roller cover. The apparatus includes a shuttle and a rotatable shaft on the shuttle. The rotatable shaft includes two ends, with one end accepting a paint roller cover and with the other end ... | 03/20/2001 |
| 6136247 | Method of forming a headed thermoplastic tube A headed thermoplastic tube is formed solely from a thermoplastic extruded, stretched, sleeve by positioning the sleeve over a forming mandrel so the sleeve has an exposed portion. While rotating the forming mandrel which holds the sleeve, the inner surfa... | 10/24/2000 |
| 6135754 | Adjustable feed roller mechanism for lip rolling machine A feed roller mechanism for a lip rolling machine for thermoformed containers, in which simultaneous adjustment of both the roller feed angle and the trim diameter are each carried out using separate systems of slides and linkages.... | 10/24/2000 |
| 6126863 | Low dust balanced hardness antioxidant agglomerates and process for the production of same The present invention is directed to a process for the production of agglomerates of a sterically hindered phenol antioxidant such that the agglomerates have a balanced hardness so as to resist abrasion during conveyance yet being readily dispersed in a h... | 10/03/2000 |
| 5945138 | Cam adjustable former for plastic pipe An improved former assembly which can be used in the manufacture of plastic pipe with the former assembly comprising a plastic pipe former assembly having a housing, a center tube supported on the housing, and a plurality of rollers oriented about the cen... | 08/31/1999 |
| 5939009 | Process for fabricating plastic foam sheet material with compound radius A high speed plastic-forming process forms a curved wall section with a compound radius along the outer edge of a sheet of plastic foam material. The process includes first die cutting the flat sheet material to a shape having an initial edge curvature, f... | 08/17/1999 |
| 5830403 | Method of post mold curing plastic encapsulated semiconductor chips mounted on lead frames by operating a post mold curing apparatus in association with a molding line system A post mold curing apparatus for use in association with a molding line system for providing plastic encapsulated semiconductor chips mounted on leadframes is disclosed which includes a leadframe carrier having a rotary, substantially cylindrical shaped a... | 11/03/1998 |
| 5622731 | Automatic post mold curing apparatus for use in providing encapsulated semiconductor chips and method therefor A post mold curing apparatus for use in association with a molding line system for providing plastic encapsulated semiconductor chips mounted on leadframes is disclosed which includes a leadframe carrier having a rotary, substantially cylindrical shaped a... | 04/22/1997 |
| 5620712 | Apparatus for making the topsheet of a fluid absorptive article A topsheet for use in body fluid absorptive articles is so improved that collapse and clogging of liquid passages therein may be reliably avoided. The topsheet includes an upper sheet, provided with skin-contacting areas and liquid passages, and a lower s... | 04/15/1997 |
| 5614230 | Apparatus for forming a curl on an end of a tubular member An apparatus is disclosed for forming a curl on an end of a tubular member. The apparatus includes first and second members. The first member is capable of holding the tubular member and has an external shoulder beyond which the first end of the tubular m... | 03/25/1997 |
| 5405257 | Apparatus for producing a rolled tab for a roll of plastic film An apparatus for forming a rolled tab on a roll of plastic film including a trunion roller-type conveyor apparatus and a traction device having a tractional surface wherein a roll of plastic film contacts the traction device such that the leading edge of ... | 04/11/1995 |
| 5381978 | Apparatus and process for producing a rolled tab for a roll of plastic film An apparatus and process for forming a rolled tab on a roll of plastic film comprising a traction member or device such as an elongated support member adapted to be inserted in a parallel position between roller members of a trunion-type conveyor apparatu... | 01/17/1995 |
| 5256045 | Apparatus for vulcanizing endless rubber belts A vulcanizing apparatus including a cylindrical vulcanizing drum for winding and molding unvulcanized rubber belt materials thereover, the vulcanizing drum being removably and rotatably supported on a transfer mechanism. A pair of endless pressurizing ban... | 10/26/1993 |
| 5238641 | Process for producing a rolled tab for a roll of plastic film A process for forming a rolled tab on a roll of plastic film including a traction member or device such as an elongated support member adapted to be inserted in a parallel position between roller members of a trunion-type conveyor apparatus, said support ... | 08/24/1993 |
| 5209882 | Means and method for forming syringe In a first forming stage, the bottom portion of a mono-molded plastic syringe (a type wherein the whole portion, i.e., a main syringe body and a needle portion, is molded unitedly in a cast) is heated and then stretched to a certain length, forming the ed... | 05/11/1993 |
| 5207960 | Method for the manufacture of thin tubes of fluorinated resin, particularly of polytetrafluoroethylene A process for the manufacture of a thin-walled tube of fluorinated resin, particularly polytetrafluoroethylene, in which a ribbon of fluorinated resin obtained by lubricated extrusion and calendaring, is wound into a tube on a mandrel, the winding of the ... | 05/04/1993 |
| 5106282 | Apparatus for rapidly laying up, and curing thick complex shaped resin matrix composites An apparatus is disclosed for rapidly laying up and curing thick complex shaped resin matrix composites connected to a rotatable and alterable male mold to wrap a plurality of continuous and intermittent layers of uncured laminate around the male mold whe... | 04/21/1992 |
| 5066212 | Apparatus for bending pipe An apparatus engages pre-cut lengths of heated thermoplastic pipe against a pair of eccentric wiper arms bending the pipes into elbows. The eccentric wiper arms have an eccentric portion and a constant radius portion. A bending form has an arcuate die ada... | 11/19/1991 |
| 5047192 | Process of manufacturing a cryogenic regenerator Process of manufacturing a cryogenic regenerator including a plurality of channels for conducting a working fluid, including the steps of providing a cylindrical forming member having a longitudinal axis and a plurality of peripheral slots displaced axial... | 09/10/1991 |
| 5028228 | Apparatus for making dental root canal filling points An apparatus for making a dental root canal filling point is provided, wherein provision is made of a rotary member having its outer processing surface in the form of a curved plane in parallel with its axial direction and adapted to be rotated at a prede... | 07/02/1991 |
| 4883449 | Device for making grooves in cigarette filters An apparatus for sequentially forming a plurality of generally longitudinally extending grooves in the peripheral surface of a filter rod includes a hollow rotatable drum having a plurality of filter rod receiving channels formed in its outer peripheral s... | 11/28/1989 |
| 4867671 | Apparatus for manufacturing resin tube An apparatus for manufacturing a resin tube comprising: (a) a support means; (b) a central support by the support means and extending therefrom; (c) a pair of operating means supported by the central shaft at two separate positions; (d) a plurality of rot... | 09/19/1989 |
