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| Number | Title | Issue Date |
| 7220118 | Horizontal multi-material molding machine A horizontal multi-material molding machine includes a rotary table having a rotation axis center in a horizontal direction, a multi-material molding metal mold mounted on the rotary table, injection plunger units disposed to advance to and retreat from the multi-ma... | 05/22/2007 |
| 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 |
| 7102061 | Soybean cultivar S020030 A novel soybean cultivar, designated S020030, is disclosed. The invention relates to the seeds of soybean cultivar S020030, to the plants of soybean S020030 and to methods for producing a soybean plant produced by crossing the cultivar S020030 with itself or another... | 09/05/2006 |
| 7076817 | Convalescent bed A convalescent bed for safely restraining a bedridden patient includes a bed frame with a mattress that is raised and lowered by a hydraulic or electric lifting arm. The bed frame includes a pair of opposing guard rails one of which includes pivotally connected pane... | 07/18/2006 |
| 7041878 | Soybean cultivar 0491732 A novel soybean cultivar, designated 0491732, is disclosed. The invention relates to the seeds of soybean cultivar 0491732, to the plants of soybean 0491732 and to methods for producing a soybean plant produced by crossing the cultivar 0491732 with itself or another... | 05/09/2006 |
| 7011138 | Mold rollover apparatus This invention relates to a mold rollover apparatus including a wheel member defining an axis and selectively rotatable about the axis and at least one carrier member carried by the wheel member and adapted to carry at least one mold member having a cast part dispos... | 03/14/2006 |
| 6986656 | Method of and system for forming a fire door core A method and system of forming a fire door core are provided. Hydraulic binder and resin are supplied from raw material bins and mixed to provide a submixture. Exfoliated vermiculite is then mixed with the submixture to provide a mixture that is deposited into a plu... | 01/17/2006 |
| 6773639 | Method of and system for forming a fire door core A method and system of forming a fire door core. Hydraulic binder and resin are supplied from raw material bins and mixed to provide a submixture. Exfoliated vermiculite is then mixed with the submixture to provide a mixture that is deposited into a plurality of com... | 08/10/2004 |
| 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 |
| 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 |
| 5500178 | Method of manufacturing hollow molded articles A method of manufacturing hollow molded articles having a beautiful surface at a low cost and by a simple and efficient process includes providing a hollow elastic molding die made of an elastic film and having an opening port, feeding a material to be mo... | 03/19/1996 |
| 5364578 | Combination counter rotating packerhead and vibrator assembly and method of operation thereof An improved combination counter rotating packerhead and vibrator assembly is provided. A counter rotating packerhead including counter rotating roller assemblies, longbottom assemblies or a combination thereof is disposed directly over an annular pneumati... | 11/15/1994 |
| 5169652 | Molding machine A molding machine for casting a product is disclosed in a preferred embodiment of the invention. The molding machine includes a stationary support system and a rotatable apparatus, an opening and a horizontal axis of rotation parallel to the opening. Rota... | 12/08/1992 |
| 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 |
| 4732714 | Method and apparatus for centrifugal casting of contact lenses in open molds According to the method of the invention, molds charged with a monomer mixture are arranged into columns with precisely coaxial casting surfaces inside these columns, namely, in tubes of cylindric shape with openings only 0.01 to 0.03 mm larger the diamet... | 03/22/1988 |
| 4722813 | Method and apparatus for spreading monomer mixtures in molds for the centrifugal casting of contact lenses A method and apparatus are provided for spreading monomer mixture in molds for the centrifugal casting of contact lenses, wherein the said molds containing a monomer mixture are rotated around their axis with the frequency 0.5 to 5 revolutions per minute ... | 02/02/1988 |
| 4695244 | Rotational arm for molding machine The present invention consists of a spindle arm for use in batch-type rotational plastic molding machines. The invention herein includes two cylindrical arms, one end of each arm attached to a gear housing and extending therefrom in a common axis. The gea... | 09/22/1987 |
| 4632654 | Rotational molding apparatus Rotational molding apparatus and methods for rotationally molding castable material such as polymers and other materials. In one form, a shuttle or wheeled carriage containing a mold fixture for holding one or more molds, which fixture is both pivotable a... | 12/30/1986 |
| 4629409 | Rotational molding apparatus having robot to open, close, charge and clean molds A rotational apparatus for molding dolls including an automatic control mechanism, a mold holding mechanism, a robot mechanism having a mold cover opening and closing means for opening and closing the mold, mold releasing means for releasing a molded prod... | 12/16/1986 |
| 4583932 | Rotational moulding machine A rotational moulding machine comprising a heat-insulated enclosure mounted to rotate on a frame about a substantially horizontal axis, which enclosure comprises means for receiving and driving in rotation at least one mould about an axis perpendicular to... | 04/22/1986 |
| 4436500 | In-line rotational casting apparatus Continuous hollow object casting machine comprises a plurality of chucks with means to convey the chucks through a helical path along a longitudinal, preferably a closed longitudinal, path, in the course of which the chucks are also rotated about an axis ... | 03/13/1984 |
| 4432717 | Apparatus for filling molds carried on a conveyor belt Apparatus for filling flat molds for slabs and the like carried on a conveyor belt is disclosed. The molds are displaced by the conveyor belt from a filling unit to a finishing unit. The filling unit comprises a vibrating table imparting vertical vibratio... | 02/21/1984 |
| 4294793 | Method and apparatus for manufacturing a spherical hollow body Improved method for manufacturing a spherical hollow body are disclosed. The spherical hollow body has a use for a core member for manufacturing a football or a volleyball and is manufactured by cooling a thermoplastic resin contained in a spherical hollo... | 10/13/1981 |
| 4292015 | Apparatus for rotational molding A method and apparatus for the rotational molding of thin-walled articles. The method is comprised of the steps of introducing a predetermined amount of plastic material into a mold, rotating the mold about a first axis at a predetermined speed, while sim... | 09/29/1981 |
| 4247279 | Rotational molding system A rotational molding system is disclosed in which a pair of large boat molds carried on separate carriages are alternately heated in a double open-ended oven having opposing cantilevered side sections for receiving concentric drive arrangements wherein th... | 01/27/1981 |
| 4118165 | Packerhead pipe making machine A machine having two packer heads operable to simultaneously make two concrete pipes. A pair of jackets mounted on a turntable are located in vertical alignment with two packer heads. A gear box mounted on a cross head is connected to downwardly directed ... | 10/03/1978 |
| 4028038 | Rotational moulding machines A rotational moulding machine comprises six mould carriers mounted at 60° intervals about a horizontal main axis of the machine on a turret which can be indexed about the main axis so as to bring each of the carriers in turn to loading/unloading, heating... | 06/07/1977 |
| 4022564 | Molding apparatus utilizing planetary gear arrangement A molding apparatus which is provided with a frame including a bar acting as a mold support. The bar is pivoted between two angular limits and carries a gear wheel to be pivoted therewith. Planetary gears are engaged with the gear wheel and are displaced ... | 05/10/1977 |
| 3938928 | Multiple mold rotary casting apparatus A rotary casting apparatus for molding hollow articles of synthetic plastic is described employing a plurality of hollow molds which are heated and rotated within a fixed oven. The molds and molded articles therein are cooled rapidly while they remain wit... | 02/17/1976 |
