Bizarre Patents
Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
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| Number | Title | Issue Date |
| 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 |
| 7261555 | Closing device in a plastic injection molding machine A closing device in a hydraulic injection molding machine includes at least one pressure cylinder unit for building up locking pressure and a drive cylinder mounted in the pressure piston of the pressure cylinder unit for closing the injection mold. The drive cylind... | 08/28/2007 |
| 7217115 | High speed direct mold clamping apparatus of an injection molding machine The present invention relates to a high speed direct mold clamping apparatus. The direct mold clamping apparatus has a grooved channel for the flow of oil inside a clamping cylinder to minimize the flow of oil between inside and outside the clamping cylinder. Then, ... | 05/15/2007 |
| 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 |
| 7182590 | Mold clamping mechanism of injection molding machine A toggle type mold clamping mechanism for preventing the degradation of parallelism between stationary and movable platens, which is caused due to a clearance between a pin and a bushing, with use of a simple construction. A mold clamping force acting on the pin is ... | 02/27/2007 |
| 7159639 | Diecasting machine A direct-acting type diecasting machine having an inexpensive and simplified hydraulic circuit is provided, which includes: a mold clamping cylinder for clamping and opening/closing a mold in a direct-acting manner; a single two-way hydraulic pump driven by a drivin... | 01/09/2007 |
| 7153128 | Press mechanism, clamp mechanism, and molding machine using this clamp mechanism A thermal pressing machine has a case in which a fixed-side press plate is fixedly provided, a main shaft to which a moving side press plate is attached, a lever arm pivotally attached to the main shaft, a first drive mechanism coupled to a force point at one end of... | 12/26/2006 |
| 7128563 | Clamping device for injection-molding machine A clamping device for injection molding machine is proposed. The clamping device has a movable mold holder, a guiding unit, a screw rod unit, a transmission unit, a first clamping unit, and a second clamping unit. Power from the driving source is transmitted via the... | 10/31/2006 |
| 7114949 | Method and apparatus for mold clamping in an injection molding machine and the like Method for mold clamping of the present invention is capable of shortening a molding cycle without any initial setting works for an engaging position of a tie bars. The method is constituted the steps of moving the tie bars in the direction of mold closing during mo... | 10/03/2006 |
| 6986657 | Injection molding apparatus Injection molding apparatus with a stationary mold clamping plate and a moveable mold clamping plate as well as shafts fixed to one mold clamping plate and passing through openings in the other mold clamping plate, at least one of which has at least one thread on it... | 01/17/2006 |
| 6953334 | Closing device on a plastic injection molding machine A closing device for a mold closing unit includes: at least one hydraulic pressure cylinder unit for generating a mold closing pressure on an injection mold which is accommodated in a mold clamping chamber; a pressure piston disposed in the pressure cylinder unit, a... | 10/11/2005 |
| 6932924 | Method and apparatus for mold clamping in an injection molding machine and the like Method for mold clamping of the present invention is capable of shortening a molding cycle without any initial setting works for an engaging position of a tie bars. The method is constituted the steps of moving the tie bars in the direction of mold closing during mo... | 08/23/2005 |
| 6846442 | Process for producing golf ball A process for producing a golf ball which includes the steps of placing a rubber composition into the cavity of a mold having an upper portion and a lower portion, clamping the upper portion and the lower portion together at a moving velocity of from 0.03. mm/s to 1... | 01/25/2005 |
| 6838036 | Method for manufacturing golf ball A golf ball 1 has a core 2 and a cover 3. For molding a core 2, a rubber composition is extruded from a kneading machine, and cut at a predetermined length to obtain a preforming material. The preforming material is placed in a mold and t... | 01/04/2005 |
| 6821104 | Die clamping apparatus and method, and method for adjustment to die thickness using said apparatus In a die clamping apparatus for an injection molding machine or the like, die clamping means for coupling and pressing a moving die plate 9 to a fixed die plate via a tie bar 15 has a die clamping cylinder consisting of two stages of a large-diameter c... | 11/23/2004 |
| 6817859 | Drive device for a movable part, especially a mold closure device for an injection molding machine, and method for operating such a drive device A drive for a movable part, such as a mold closure platen, includes two hydraulic cylinder-and-piston units defining first and third pressure chambers in a first of the hydraulic units and defining fourth and fifth pressure chambers in a second of the hydraulic unit... | 11/16/2004 |
| 6769902 | Surface-pressure generating device in an injection-molding machine In an injection-molding machine, the rapid traversing over long distances takes place with the aid of linear drives (L1, L2), the “rotor” (H1, H2) which is a component part of the machine construction. ... | 08/03/2004 |
| 6739864 | Molding machine A molding machine includes a mold space between two mold carriers. One of the two mold carriers is movable relative to the other by a drive. A separate power unit generates a predetermined closing force between the two mold carriers when the two mold carriers are mo... | 05/25/2004 |
| 6733274 | Injection moulding machine and moulding method A method of injection-moulding includes separating an injection nozzle from a mould during every moulding cycle. An apparatus for carrying out the method is also disclosed. ... | 05/11/2004 |
| 6602456 | Method and device for actuating a press An actuator for a press comprises a piston disposed through a small bore diameter high speed actuating cylinder, having a piston head disposed within the actuating cylinder and another piston head disposed within a larger bore diameter hydraulic clamping ... | 08/05/2003 |
| 6254378 | Injection molding apparatus An integrated circuit encapsulation apparatus comprises a molding press, which has a mold defining a cavity adapted to receive an integrated circuit die and an attached leadframe for encapsulation thereof. The molding press is operable by an electro-pneum... | 07/03/2001 |
| 6254371 | Press system for urethane parts The mold press includes a drive arrangement for controlling press movement and closure force. The drive arrangement includes a pair of generally identical drive units connected between upper and lower press plates adjacent opposite longitudinal ends of th... | 07/03/2001 |
| 6186763 | Threaded actuator for positioning structure subjected to intense loads A threaded actuator is disclosed for positioning a core in a molding apparatus. The threaded actuator includes a hydraulic cylinder unit having a piston rod connected to the core for positioning thereof. The core is subjected to intense force during the m... | 02/13/2001 |
| 6186770 | Clamping assembly for injection molding apparatus A clamping assembly for an injection molding apparatus includes a first platen attached to a base and a second platen slidingly associated with the base. A number of tiebars are mechanically linked to each of the platens through a number of mechanical lin... | 02/13/2001 |
| 6120712 | Accumulator head blow molding machine and method An accumulator-type blow molding machine includes hydraulic cylinders for closing mold parts on platens and a control system for valves flowing hydraulic fluid to the cylinders. The control system calculates the desired position of one platen from the mea... | 09/19/2000 |
| 6103174 | Mold clamping method for straight hydraulic mold clamping apparatus A mold clamping method for a straight hydraulic mold clamping apparatus, wherein supply of mold clamping oil to the rear oil chamber of the mold clamping cylinder starts immediately before completion of slowing down of the mold closing process using rapid... | 08/15/2000 |
| 6054076 | Accumulator head blow molding machine and method An accumulator-type blow molding machine includes hydraulic cylinders for closing mold parts on platens and control systems for valves flowing hydraulic fluid to the cylinders. The control systems generate work output signals for the valves according to t... | 04/25/2000 |
| 6027681 | Stack mold linkage with unequal strokes The present invention relates to stack mold linkages for creating unequal strokes for use in an injection molding machine for making different sized molded parts. The stack mold linkages comprise linkages for moving each of at least two mold assemblies be... | 02/22/2000 |
| 6009727 | Mold opening and closing mechanism for an I.S. machine Opposed mold supports of a mold opening and closing mechanism are driven by electronic motors between retracted and advanced positions. The motors are electronically geared together and follow a feed program which initially advances the associated mold su... | 01/04/2000 |
| 5935622 | Device for shaping a microstructure substrate For the shaping of a microstructure substrate via a mold cavity, an unmolding device allows an abrupt, shear-free separation, in particular at reaction temperature, of the microstructure substrate manufactured using the reaction molding method. Optical wa... | 08/10/1999 |
| 5922371 | Injection molding apparatus including force setting device An injection molding apparatus includes stationary and movable die carrier plates. The movable die carrier plate can be moved in a direction toward the stationary die carrier plate during a quick stroke and can be pressed toward the stationary die carrier... | 07/13/1999 |
| 5879726 | Locking apparatus for upper and lower molds of a press A locking apparatus for an upper mold and a lower mold of a press apparatus includes a ball screw, a screw nut, a force producing spanner structure and at least one engagement structure. The screw nut is responsive to a first power source for driving the ... | 03/09/1999 |
| 5824131 | Mold opening and closing mechanism for an I.S. machine Opposed mold supports of a mold opening and closing mechanism are driven by electronic motors between retracted and advanced positions. The motors are electronically geared together and follow a feed program which initially advances the associated mold su... | 10/20/1998 |
| 5820797 | Process for controlling a mold closing unit for use in an injection molding machine In a mold closing unit for use in an injection molding machine for processing plastifiable materials comprising a first device for transfering a movable mold carrier and a second device for generating the closing force, the first device is supported at a ... | 10/13/1998 |
| 5811139 | Device for fixing a ball screw/nut mechanism safe from turning In a device for fixing a ball screw/nut mechanism, including a ball screw and a ball nut, safe from turning. The ball screw/nut mechanism generates a linear movement to displace a first subassembly until it rests on a second subassembly. A blocking device... | 09/22/1998 |
| 5803945 | Mold opening and closing mechanism for an I.S. machine A mold opening and closing mechanism for an I.S. machine having a plurality of individual sections each having a pair of opposed mold support mechanisms displaceable between a separated retracted position whereat each mold support mechanism is located at ... | 09/08/1998 |
| 5800846 | Twin-sheet thermoforming apparatus with hydraulic array mold support An upper thermoforming mold is positioned above a lower thermoforming mold on a platen. The platen is provided with an array of position-controlled hydraulic cylinders. A controller drives the array of cylinders to uniformly advance the two molds together... | 09/01/1998 |
| 5800843 | Apparatus for injection molding plastic material An apparatus for injection molding thermoplastic material has mold halves carried by stationary and movable mold mounting plates which are mounted on a frame. A control mechanism actively applies a variable torque to one of the mold mounting plates for co... | 09/01/1998 |
| 5787564 | Method of constructing a hydraulic press assembly A hydraulic press assembly and method of making the same in which a substantial portion of the housing encompassing the press is formed of a unibody construction from structural tubing to provide a durable lightweight hydraulic press.... | 08/04/1998 |
| 5763498 | Moldable thermoplastic polymer foam beads A continuous process for making moldable foam beads comprising a non-crosslinked or crosslinked thermoplastic polymer foam are produced by mixing a composition comprising a non-crosslinkable or crosslinkable thermoplastic polymer or a thermoplastic polyme... | 06/09/1998 |
