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| Number | Title | Issue Date |
| 7628604 | Rotational molding system for medical articles A system and method for molding the shell of a medical device or other molded article is disclosed. The system includes a multi-axis rotational molding machine in which a mold is mounted. The mold has a cavity in the shape of the article to be molded. The mold seals... | 12/08/2009 |
| 7364679 | Tactical venting A method of venting a rotational mold at a predetermined condition by actuating an actuating venting assembly pierces the shell of the molded article and introduces a passageway to relieve pressure during the molding cycle. The actuating venting assembly enables a t... | 04/29/2008 |
| 7329402 | Methods of imaging and treatment Novel ultrasound methods comprising administering to a patient a targeted vesicle composition which comprises vesicles comprising a lipid, protein or polymer, encapsulating a gas, in combination with a targeting ligand, and scanning the patient using ultrasound. The... | 02/12/2008 |
| 7165964 | System for rotational molding of medical articles A system and method for molding the shell of a medical device or other molded article is disclosed. The system includes a multi-axis rotational molding machine in which a mold is mounted. The mold has a cavity in the shape of the article to be molded. The mold seals... | 01/23/2007 |
| 7160496 | Thermoplastic compositions containing metal material Thermoplastic compositions containing metal materials and a method for preparing the same. The compositions are formed into particles having diameters suitable for a rotational thermoforming processing. The compositions are particularly applicable for use in slush m... | 01/09/2007 |
| 7083572 | Therapeutic delivery systems Targeted therapeutic delivery systems comprising gas- or gaseous precursor-filled lipid microspheres comprising a therapeutic are described. Methods for employing such microspheres in therapeutic delivery applications are also provided. Targeted therapeutic d... | 08/01/2006 |
| 7078015 | Ultrasound imaging and treatment Methods of and apparatus for preparing temperature activated gaseous precursor-filled liposomes are described. Gaseous precursor-filled liposomes prepared by these methods are particularly usefull for example, in ultrasonic imaging applications and in therapeutic dr... | 07/18/2006 |
| 6998107 | Composition comprising low density microspheres Low density microspheres, methods for preparing same, and use of same as contrast agents are described. The microspheres have a void having a volume that comprises at least about 75% of the total volume of the microspheres, and which contains a gas or the vapor of a... | 02/14/2006 |
| 6648625 | Apparatus for making molded articles of plastic material An apparatus for making molded articles of plastic material, in particular molded films of thermoplastic flakes, by using a slush molding process, includes a mold container having at least one interior space for receiving plastic material and a mold wall ... | 11/18/2003 |
| 6604931 | Bi-axial rotational molding oven A rotational molding oven for forming an object from a mold containing resin therein. The oven includes a cavity receiving the mold therein and a combustion chamber for providing heat inside of the cavity. A spool is rotatively positioned within the cavit... | 08/12/2003 |
| 6511619 | Multiaxis rotational molding apparatus and method A multiaxis rotational molding apparatus includes a support portion, a molding portion and a control portion. The support portion includes an upstanding arcuate frame section. The molding portion includes an upstanding arcuate mold supporting assembly dis... | 01/28/2003 |
| 6338623 | Rotational molding oven A rotational molding oven for forming an object from a mold. The oven includes a cavity for retaining the mold, a burner for heating the cavity and melting the resin and a device for rocking the mold between -45° and 45° from a horizontal plane. The roc... | 01/15/2002 |
| 6162042 | Rotary molding system A rotary molding system has a sintering furnace, at least one cooling chamber, and at least one transport device to receive at least one mold carrier and to transport the mold carrier between the sintering furnace and the at least one cooling chamber. The... | 12/19/2000 |
| 6143230 | Method of making plastic hoods and dividers Plastic hoods and dividers are provided for use with row crop heads. The hoods and dividers are single walled and self-supporting. The single-walled hoods and dividers are preferably manufactured through a rotational molding process wherein a non-stick co... | 11/07/2000 |
| 6126881 | Rotomolding process to form a product having multiple colors in a non-random, sequentially segregated and controlled patterns A process for forming a product having multiple and well defined color patterns. In a first embodiment, the rotomolding process comprises a first step of using a first powder having a first color and a second powder having a second color which is differen... | 10/03/2000 |
| 5863476 | Apparatus and method for compacting and stabilizing granular materials containing hazardous materials Apparatus and methods for stabilizing soils and other granular materials at the site at which they are located. The apparatus includes a platform, fixed or mobile at a contamination site, carrying a hopper for receiving contaminated material to be stabili... | 01/26/1999 |
| 5718929 | Rotational molding apparatus having fluid cooled arms The rotational molding apparatus includes a main support member having at least one arm extending therefrom. Each arm of the apparatus is adapted to rotate enclosed articles being formed or coated about at least one axis. In order to cool the arms during ... | 02/17/1998 |
| 5705200 | Multiaxis rotational molding apparatus A method of continuously forming an integrally molded structure in a multiaxis rotational molding operation includes the steps of rotating a multisection mold assembly about at least three axes. A first freshly formed polymerizable mixture is flowed over ... | 01/06/1998 |
| 5505607 | Apparatus for forming concrete products A mold box is flexibly mounted to a product forming machine having upper and lower vertically displaceable beams. A feed drawer dispenses concrete material into the mold box while a vibration system vertically vibrates the mold box while dampening horizon... | 04/09/1996 |
| 5505610 | Apparatus for forming concrete products A mold box is flexibly mounted to a product forming machine having upper and lower vertically displaceable beams. A feed drawer dispenses concrete material into the mold box while a vibration system vertically vibrates the mold box while dampening horizon... | 04/09/1996 |
| 5503780 | Multiaxis rotational molding method A method of continuously forming an integrally molded structure in a multiaxis rotational molding operation includes the steps of rotating a multisection mold assembly about at least three axes. A first freshly formed polymerizable mixture is flowed over ... | 04/02/1996 |
| 5484273 | Airbag cover and apparatus for producing an invisible tear seam therein A cover for an air bag unit is disclosed having a patterned tear seam therein defined by an integrally bonded, thermoplastic filler strip as the cover material and comprising a material having properties different than that of the cover material, Apparatu... | 01/16/1996 |
| 5374180 | Device for producing plastic molded sheets A device for producing synthetic plastic molded sheets including a mold rotatable about at least one axis and receiving a thermoplastic synthetic resin powder which is sequentially heated and cooled by liquid heating and cooling medium admitted into a hol... | 12/20/1994 |
| 5356589 | Method and apparatus for forming rotationally cast tank liner having an end fitting Method and apparatus for rotationally casting a plastic tank liner having a molded-in access fitting and for ensuring a uniform thickness of plastic in the wall of the liner and on the fitting. A hollow mold having a mold cavity surface conforming to the ... | 10/18/1994 |
| 5354189 | Curb forming and extruding apparatus A manually operable and steerable curb extrusion device for extruding curb, barrier, wall, gutter or the like from concrete, cement or some other moldable building material. The curb extrusion device has a segmented vibrating hopper into which building ma... | 10/11/1994 |
| 5316701 | Multiaxis rotational molding process A method of continuously forming an integrally molded structure in a multiaxis rotational molding operation including the steps of rotating a multimold section mold assembly about at least three axes. A first freshly formed polymerizable mixture is flowed... | 05/31/1994 |
| 5277569 | Dough rounder A dough rounder machine for kneading and forming dough and similar plastic masses into uniformly shaped form in which the dough is placed in an annular die driven by eccentric drive means over a stationary horizontal tray table whereby to move the die in ... | 01/11/1994 |
| 5253607 | One step molded all plastic boat and manufacture of the same This invention relates to a one-step formed all-plastic boat, the entire hull of which is comprised of plastic material that contains in addition small amounts of an additive and a filler. The hull has a cavity, divisional cavities, open and closed compar... | 10/19/1993 |
| 5221539 | Apparatus for the production of molded skins and bodies of plastic material An apparatus for the production of molded shells and bodies of plastic material by a rotational molding procedure within an electroplate mold includes a double-walled hollow body which is heated up and cooled down by a heating and cooling medium. A box wh... | 06/22/1993 |
| 5156818 | Biaxial casting apparatus for isolating radioactive waste Hazardous radioactive waste is compacted and cast into safely handled monolithic castings having a radiation barrier wall completely enclosing the radioactive waste by centrifugal casting processes in which the barrier wall may be either a pre-formed shel... | 10/20/1992 |
| 5116213 | Industrial drum molding Apparatus for selectively rotationally molding an industrial drum in either a closed-head configuration or an open-head configuration within a mold constructed for selective modification to accomplish molding of the drum in either selected configuration b... | 05/26/1992 |
| 5094607 | Thermoplastic mold for rotational molding A plastic mold (A, B) for rotational molding are disclosed. The plastic mold, used in lieu of a conventional metal mold, is constructed from a fiber (52) reinforced thermoset plastic resin (50) having a heat distortion point above the melt point of the th... | 03/10/1992 |
| 5040968 | Device for manufacturing concrete parts A device for manufacturing concrete parts, particularly concrete pipes, and based on the principle of sinking mold whereby a molding bottom ring together with a jacket are continuously lowered relative to a stationary mold core while concrete mixture is p... | 08/20/1991 |
| 5039297 | Rotational molding apparatus Rotational molding apparatus for molding a kayak and the like in a mold (12). The apparatus includes an oven (A) having an oven chamber (40). A frame (B) pivotally supports oven (A) above a ground floor (10). Mold (12) rotates about a roll axis (123) on a... | 08/13/1991 |
| 5035601 | Hollow forming machine capable of rotating mould in both horizontal and vertical direction A hollow forming machine capable of rotating moulds in both horizontal and vertical directions wherein a motor is used to drive sleeves to rotate in both vertical and horizontal directions, and through the engagement of outer gears of the sleeves and the ... | 07/30/1991 |
| 4994132 | Method and apparatus for attaching an insert in a hollow body A method and apparatus for attaching an insert in an opening in a molded thermoplastic body. The insert includes a thermoplastic mounting portion which is fused with the thermoplastic material of the body. The insert is maintained in a spaed position from... | 02/19/1991 |
| 4979888 | Apparatus for molding an article from a fusible synthetic resin An apparatus for reflow smoothing a molded article made by first heating a face of a mold at a first station, then applying a fusible synthetic resin to the heated face and thereby melting the resin into a continuous coating covering the heated mold face ... | 12/25/1990 |
| 4943221 | Rotational moulding machine A clam shell rotational moulding machine of a type including a housing having a base portion with a flat base and four upstanding sides and a cover portion with a top and four depending sides can be moved from a fully closed position in which the top and ... | 07/24/1990 |
| 4795333 | Rotary forging Rotary forging of a component from powder is accomplished in a single forging operation without any sintering or other processing by firstly pressing the powder in a closed die situation to produce an initial compressed form and then subjecting this compr... | 01/03/1989 |
| 4767299 | Rotational molding machine A rotational molding machine having an oven enclosed by a pivotable top clam shell cover, front entry doors for interior oven access, and a spider arm and drive spindle which is supported by bearing members on opposite walls of the oven for removable moun... | 08/30/1988 |
