Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7934920 | Molding machine A mold core includes a forming pin having a hollow interior and an end wall. A passage, preferably in the form of a hollow tube, extends into the hollow interior of the forming pin and has an end sealingly secured at a position spaced from the end wall of the formin... | 05/03/2011 |
| 7429170 | Method and machine for compression molding closure shells A compression molding machine, for compression molding a closure shell having a base wall with an opening and in accordance with one aspect of the disclosure, includes a male mold section and a female mold section having associated surfaces that oppose each other to... | 09/30/2008 |
| 7390183 | Tool rig for the compaction of particulate material A tool rig for the compaction of particulate materials includes a base and a cylinder block disposed on the base. At least two pistons are disposed within the cylinder block and one piston is at least partially disposed within one other piston. A supply component is... | 06/24/2008 |
| 7361011 | Ejector system The invention concerns an ejector system, where the ejectors or the stripper plates (10) in the turnable tool part(s) (8) are being activated in turn after each turning and opening/closing cycle in the machinery by means of a stationary placed mechanis... | 04/22/2008 |
| 7273364 | Drop box with thermal isolation A drop box for a rotational molding system includes a substantially rigid outer shell, a substantially rigid inner shell, configured to contain unmelted polymer material, and thermal insulating material, disposed between the inner and outer shells. Substantially rig... | 09/25/2007 |
| 7264763 | Method and apparatus for the manufacture of compacts A method for the manufacture of compacts from comminuted material (12) such as lignocellulose material and/or other combustible material for burning in hearths, wherein the material (12) is placed into openings (11) of a mold (4) and then... | 09/04/2007 |
| 7241129 | Machine for compression molding closure shells A machine for compression molding plastic closures includes a support mounted for rotation around an axis, and a plurality of compression molds on the support at angularly spaced positions around the axis. Each of the molds includes a male mold section and a female ... | 07/10/2007 |
| 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 |
| 7008655 | Process for making a baked cup shaped food product A process for manufacturing a food product, a food product produced thereby and a plant for production of the food product. The food product may have a generally truncated cone shape which allows the product to be stood on its base. The baking mixture is inserted in... | 03/07/2006 |
| 6899839 | Building products A method of manufacturing a building product from a mix (6) including particulate material and a thermoplastic binder which comprises heating the mix at least to a temperature at which the thermoplastic binder in the mix liquefies, subjecting the heated therm... | 05/31/2005 |
| 6824375 | Arrangement for a consecutive two-stage ejector of the built-in type The arrangement is based on the principle that the ejector (9) of a moulding tool actuates the rear ejector plates (5, 5A, 5B) and the front plates (4, 4A, 4A) are conveyed along until the bearing segments (23) reach the fre... | 11/30/2004 |
| 6767201 | Carrousel apparatus for manufacturing, by compression molding, plastics items An apparatus for manufacturing plastics items provided with external undercuts, comprising at least one compression molding unit, which is composed of an upper male mold part comprising a plug and of a lower female mold part aligned, along a vertical axis, with the ... | 07/27/2004 |
| 6632080 | Device for the production of disposable lenses A device for producing disposable lenses providing a concave mold and a convex mold for each lens, filing the concave mold with liquid starting material for the lens, and positioning the convex mold so as to enclose the starting material includes a first ... | 10/14/2003 |
| 6602065 | Apparatus for compression molding plastic closures Apparatus for compression molding plastic closures having a peripheral skirt with an internal thread includes a first mold assembly having a male mold core and a second mold assembly having a female mold cavity. At least one of the first and second mold a... | 08/05/2003 |
| 6592923 | System and method for molding a snack chip The system and method for molding a shaped snack chip use various components to form chips having depth such as a bowl-shaped tortilla chip. Essentially flat chip preforms are fed to a series of molds disposed about a mold conveyor. The preforms are then ... | 07/15/2003 |
| 6585508 | Carousel-type apparatus for manufacturing caps made of plastics by compression molding An apparatus for manufacturing threaded caps comprises a plurality of compression molding assemblies which are arranged on a rotating carousel and comprise an upper male mold half and a lower female mold half. The male mold half comprises a tubular elemen... | 07/01/2003 |
| 6537053 | Modular molding system, and modules for use therewith A modular molding system having: an upper frame assembly configured for receiving a cavity module therein; a lower frame assembly configured for receiving a core module therein, the lower frame assembly including a two-stage master ejector system; a cavit... | 03/25/2003 |
| 6413457 | Powder pressing apparatus, punch, method for pressing powder and method for manufacturing the punch A powder pressing apparatus comprises an upper punch, a lower punch and a die. A compact is formed by pressing a powder loaded in a cavity formed by the upper punch, the lower punch and the die. At least either one of the upper punch and the lower punch h... | 07/02/2002 |
| 5904643 | Tray-forming and apparatus A process and apparatus for forming three-dimensional containers from a continuous flat web of paper, coated paper, paper board, or laminated paper board ("paper") in which the paper is first scored to define the shape of the container and, thereafter, th... | 05/18/1999 |
| 5505608 | Cheese moulding and hardening apparatus, particularly for pasta filata cheese A frame (10) carries horizontal, parallel, journaled, cylindrical bearings (26, 28), upon which rotatably rests the cylindrical external surface a wheel (30) having, on its outside periphery, ports (44) communicating with respective moulds (45) which are ... | 04/09/1996 |
| 5462425 | Apparatus for demoisturizing coal An apparatus for mechanically separating water from coal includes a vibrating hopper, two contra-rotating cylinders, a solid collector, and a fluid collector. The hopper feeds hydrated coal or coal slurry to wells which are arranged along the surface of a... | 10/31/1995 |
| 5352111 | Apparatus for removing a hand held food product from a baking mold An apparatus for producing an edible, hand held food product which may be used as a container for ice cream and other frozen confections in which the apparatus includes, in combination, a baking mold for baking the food product and a vacuum removal plug w... | 10/04/1994 |
| 5213818 | Device for taking and conveying tablets coming out of a rotary tabletting machine An ejection and conveying device mounted in a rotary pressing tabletting machine having matrices supported by a rotating table, whereinto upper punches and lower punches enter and come out, while tablets come out at an ejection station; the device include... | 05/25/1993 |
| 4975039 | Food molding and portioning apparatus A molding and portioning apparatus is intended primarily for processing formable food products into individual portions of uniform shape, size and weight, while doubling output. The apparatus includes first and second spaced hoppers which receive a supply... | 12/04/1990 |
| 4961884 | Process for producing substrate of optical disc An improved injection molding process for producing a substrate of an optical disc having a high quality is disclosed. The process includes the steps of: fixing a stamper having protrusions corresponding to pits for recorded information or a groove for tr... | 10/09/1990 |
| 4950149 | Molding apparatus for fiber-filled resin An apparatus for continuously or intermittently molding fiber-reinforced plastic structural components includes a continuous passage or pathway having a series of stations thereon for charging a multiple part mold with a charge of chopped fiber reinforced... | 08/21/1990 |
| 4950150 | Briquetting machine A briquetting machine, primarily intended for briquetting fibrous plant material, includes a pair of rotatable wheels. Each wheel has die means towards its outer periphery and the die means define a circular row of pockets in which the material is receive... | 08/21/1990 |
| 4867670 | Apparatus for producing press shaped bodies In an apparatus for producing shaped bodies of non-swelling mixture, of fiber materials with a heat hardenable binding medium, the shaped body of a complex shape can be formed so that at its visible side seams are not formed during pressing, by means of a... | 09/19/1989 |
| 4802836 | Compaction device for concrete block molding machine A compaction device for a concrete block molding machine, comprising a mold formed with cells opened at the top and at the bottom, and filled with a no-slump concrete mix. The mold freely rests either on a pallet or vibrating table, which acts as bottom w... | 02/07/1989 |
| 4793791 | Rotary powder compression molding apparatus A rotary powder compression molding apparatus is disclosed, which includes a rotary disk. The rotary disk has a mortar mounting portion, an upper pestle guide portion arranged above the mortar mounting portion, and a lower pestle guide portion arranged be... | 12/27/1988 |
| 4778439 | Apparatus and method for forming a clamshell assembly An apparatus and method is provided for progressively converting each blank of sheet material in a stream of moving blanks into a clamshell assembly having interconnected lid and bottom portions. The apparatus includes a female die assembly having first a... | 10/18/1988 |
| 4772198 | Apparatus for injection-molding threaded plastic caps and stoppers In injection-molding threaded molded articles in the form of plastic caps and stoppers with or without imbedded reinforcing cages, an injection unit, a closing unit and an injection mold are provided, where the movable mold half is equipped with a threadi... | 09/20/1988 |
| 4755128 | Apparatus for releasing a press-formed article from a die set An improved apparatus and method as provided for releasing sheet material press-formed in a die assembly between mating male and female dies from the die assembly. A first air supply system is provided for injecting air between the male die and sheet mate... | 07/05/1988 |
| 4725216 | Masonry manufacture A machine for making bricks and paving blocks, including a turntable having four moulds; a drive unit for rotating the turntable between work stations; a mixing chamber for raw materials; a hopper to receive mixed raw materials and to deliver them to each... | 02/16/1988 |
| 4710122 | Machine for manufacturing flat bodies in a continuous line The invention relates to a machine for manufacturing flat bodies in a continuous linear process. This is attained by the intermittent forward movement of the moulds on a closed circuit static runway, passing through the various operative steps for forming... | 12/01/1987 |
| 4710124 | Automatic part and runner separator An apparatus is disclosed for selectively separating runners and molded products from an injection mold assembly. The apparatus comprises first and second mold portions having mating surfaces formed to define a runner channel and product cavity. A plurali... | 12/01/1987 |
| 4653997 | Injection mold apparatus with gas ejection The present invention provides an injection mold apparatus for plastic piece molding. The apparatus includes male and female body parts and a gas blow-off ejection system for ejecting pieces formed on the male body part. The blow-off system includes side ... | 03/31/1987 |
| 4645446 | Injection molding machine with self-connecting ejection device An ejection device in a die closing unit of an injection molding machine in which the ejector piston rod, reaching from behind through the movable die carrier and into an engagement cavity in the back plate of the movable die half, is automatically engage... | 02/24/1987 |
| 4640671 | Adobe block press A three station turret-type apparatus is provided with a first station including structure for receiving a quantity of soil to be compressed into a building block, a second station for compressing the soil into the desired building block and a third stati... | 02/03/1987 |
| 4545753 | Injection molding machine with self-connecting ejection device An ejection device in a die closing unit of an injection molding machine in which the ejector piston rod, reaching from behind through the movable die carrier and into an engagement cavity in the back plate of the movable die half, is automatically engage... | 10/08/1985 |
