Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7381046 | Lipstick making device A lipstick making device includes an elastic mold device having a mold cavity for filling and molding a lipstick element, three or more curved mold pieces movably disposed above the elastic mold device for forming a hole in the mold pieces when the curved mold piece... | 06/03/2008 |
| 7338279 | Air bag cover body forming apparatus An air bag cover body forming apparatus, comprising forming molds (2A, 2B), groove-forming blades (3), and support rods (4), wherein the forming molds form a cavity (20) for forming a resin air bag cover body (1) having air ... | 03/04/2008 |
| 7293978 | Device for forming high precision optical lens and the product made by the device A high precision molding device for insert-molding optical lens comprises a stationary sub-mould and a movable sub-mould for engaging with the stationary sub-mould thereby forming a mould cavity therebetween for molding an optical lens. The molded lens has a body an... | 11/13/2007 |
| 7267538 | Adjustable knockout This disclosure is directed to an adjustable knockout rod for use in conjunction with injection molding machines. The knock-out rod disclosed herein is preferably formed of a round bar having a plurality of annular notches or undercuts formed at uniform intervals al... | 09/11/2007 |
| 7261853 | Decelerated ejector pin system and method for operating the same A decelerated ejector pin system in an ejector half of an injection mold, that molds a molded part. The ejector half has at least one lifter, a core plate, a pin plate, an ejector bar, a base plate, and at least one ejector pin. The decelerated ejector pin system in... | 08/28/2007 |
| 7252281 | Apparatus for making a formwork for molding concrete walls A formwork making apparatus includes a bottom block, two side locating boards arranged in parallel on the bottom block, two forming boards respectively adhered to the side locating boards and set facing each other, two blocking plates set between the two side locati... | 08/07/2007 |
| 7191999 | Variable height sideforms An improvement to concrete casting machines of the casting bed type in which the side forms are constructed and arranged to stay in an upright position at all times but may be raised and lowered. ... | 03/20/2007 |
| 7168149 | Apparatus for closing a hinged molded part An apparatus and method for folding a hinged molded part in a molding machine. As a part-removal apparatus, preferably a swing arm mechanism, grips one of the lid portion or the base portion of the molded part and moves the molded part out of the mold, a deflector c... | 01/30/2007 |
| 7170741 | Portable computer and method for mounting a flat panel display device module Disclosed is a computer that includes: a system body having an input device; a display module having a display surface and a rear surface; a display case having a side wall surface; and a hinge pivotally coupling the body to the display module, the hinge including a... | 01/30/2007 |
| 7140868 | Universal lifter foot assembly for removal of core block from mold An ejector assembly for use with a mold for molding plastic parts include a first stationary member, a second stationary member and an ejector plate moveable between the first and second stationary members. A core blade lifter is provided that includes a lifter foot... | 11/28/2006 |
| 7070729 | Pressware die set with product ejectors at outer forming surfaces An improved pressware die set includes mechanical ejectors for removing formed product from the punch. A preferred embodiment includes rocker-style ejectors free from edges or other asperities which may tend to snag and mar the product during the production process.... | 07/04/2006 |
| 7037101 | Center cylinder ejection assist A method of ejecting containers from a blow mold comprises the steps of: opening a blow mold containing containers, the blow mold comprising a pair of pistons having a head and a heel, an end cap disposed behind the heel, and a pair of ejector rods, each ejector rod... | 05/02/2006 |
| 6921258 | Ejector device for an injection molding machine for plastics The invention relates to an ejector device for an injection-molding machine for plastics, having at least one ejector pin, which can be moved toward the mold and away from the latter through the center of a moveable die clamping plate by an actuator. In this arrange... | 07/26/2005 |
| 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 |
| 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 |
| 6220255 | Filler sticks for cosmetic sticks or the like In a method for the manufacture of filler sticks for cosmetic sticks or the like, the filler stick being cast in a casing which is inserted in a mold, and the liquid casting compound rigidifying in the casing and in the mold, respectively, it is provided ... | 04/24/2001 |
| 6065950 | System for manufacturing molded articles and engineering mold cavities A system for manufacturing molded articles and simultaneous engineering of mold cavities, comprising a casting device, a machining device and interchangeable cassettes. The casting device comprises a casting mold having two mold halves, each having casset... | 05/23/2000 |
| 5823736 | Substrate processing device and method for substrate from the substrate processing device Main lifter pins and sub-lifter pins are arranged on the top surface of a plate to support a rectangular frame area of a glass substrate of a liquid crystal display. The rectangular frame area is an area surrounding a rectangular center area which is a su... | 10/20/1998 |
| 5817248 | Mold for structural blocks A mold designed to be operated easily by one person to form large blocks. Generally, the walls of the mold are attached to the base with a pivoting assembly such that the walls of the mold fall away from the molded material after hardening. Levers and ful... | 10/06/1998 |
| 5683644 | Method for stripping open ended bellows part from injection mold A method for stripping a resilient bellows part from an injection mold has a step of injection molding a resilient bellows part around a colinear core pin and a stripper rod, surrounded by a split cavity. The bellows part has two open ends, one of which i... | 11/04/1997 |
| 5644833 | Method of making dry, lubricated ejector pins An ejector is coated with a thin, hard, low friction, lubricous coating for use in a mold to eject molded articles from the mold without the use of liquid lubricants. The preferred ejector has a thin, low friction, coefficient coating with a thickness on ... | 07/08/1997 |
| 5631030 | Cooled injection core for an integrated injection blow mold machine An integrated plastic injection mold and blow mold machine includes an injection mold assembly having a cooled exterior mold assembly connected to a plastic injector for injecting plastic. A cooled core assembly is positionable within the cooled exterior ... | 05/20/1997 |
| 5518679 | Method and apparatus for making a component having interior and exterior threads Disclosed is a new method for making a component having interior and exterior threads. Such method includes the steps of providing a thread-forming apparatus having first and second circumferential threaded portions defining a space between them. Such spa... | 05/21/1996 |
| 5470221 | Compact core and ejector assembly A compact core and ejector assembly includes an elongate core terminating in a male mold component and including a cylindrical shoulder which supports the top plate of an associated core support frame. The shoulder includes opposing, longitudinally-extend... | 11/28/1995 |
| 5447426 | Take-off plate device The present invention relates to an improved take-off plate device for removing molded articles from a molding machine and delivering them to a transfer or receiving station. The device of the present invention includes a plate, one or more tubes mounted ... | 09/05/1995 |
| 5368467 | Molding apparatus for articles having internal undercuts An injection molding apparatus is disclosed for forming articles with internal undercuts by the use of lifter heads with transversely extending protrusions. The lifter heads are received in recesses in the mold projections which form the interior of the m... | 11/29/1994 |
| 5356284 | Stack mold with spring loaded blow off pin The present invention provides a mold with gas ejection of pieces formed in the mold. The mold includes a female body part and a male body part. The male body part includes a male molding surface with a surrounding plastic injection shut off face and a re... | 10/18/1994 |
| 5312243 | Slide retainer for an injection mold A slide retainer for an injection mold tool with positive locking, recessed mounting, and guide bar capabilities. The retainer includes a track channel insert rigidly mounted in the base plate of an injection mold tool and a cooperating cylindrical insert... | 05/17/1994 |
| 5295802 | Demolding apparatus A gripper (2) for removing a molded workpiece (9) from the opened mold (1, 3) of a molding machine is coupled through a step-up drive transmission with the ejector (13, 15, 17) associated with the mold in such a manner that the ejector causes it to execut... | 03/22/1994 |
| 5259105 | Method of use for pneumatically operated mold ejection apparatus Provided is a method of use of a pneumatically operated mold ejection apparatus using a pneumatic pressure source of conventional means exterior to a multiplate injection molding tool. The pressure source is selectively activated using the mold cycle to o... | 11/09/1993 |
| 5253997 | Injection molding machine for molding disk-shaped recording medium carriers An injection molding machine employing a mold for molding, e.g., disk-shaped recording medium carriers. A mold-mounting plate has a front surface allowing the mold to be the mounted thereon. A gate-cutting punch is slidably inserted in a hole extending th... | 10/19/1993 |
| 5252051 | Resin-seal apparatus for semiconductor element According to this invention, there is disclosed a resin-seal apparatus for a semiconductor element, including cavity blocks arranged to be opposite to each other and having a semiconductor element to be molded, ejector plates arranged to correspond to the... | 10/12/1993 |
| 5238377 | Apparatus for making blind rivets Apparatus for molding a strip of blind rivets, with each of the rivets having a pin within a sleeve and with the pin having a pulling head and shank, including a strip advance rod mounted in the apparatus for movement between first and second positions, a... | 08/24/1993 |
| 5227178 | Independent-stroke ejection system An independent-stroke ejection system for an injection molding apparatus enables the motion of an ejector pin, or pins, to be controlled independently of the motion of the knock-out plates. The so-called independent-stroke ejector pin is mounted on an ind... | 07/13/1993 |
| 5129810 | Mold ejecting apparatus for cylindrical molding This disclosure relates to a mold ejecting apparatus for ejecting an inner mold from a cylindrical molding, e.g. a cylindrical rubber molding, sticking to the outer circumference of the inner mold, or for ejecting the cylindrical rubber molding from the i... | 07/14/1992 |
| 5112207 | Self-releasing mold A mold forms a portion of a part having a first cross-section of a first thickness further removed from a body of the part than a second cross-section of a reduced thickness. The mold includes pairs of mold pins which are moved between a molding position ... | 05/12/1992 |
| 5087188 | Dies for forming soap with attached member A die apparatus for molding and forming a cake of soap with an adapter. Peripheral obturation cleanly and securely attaches the generally horizontal adapter to the upper surface of a body of soap of a size to be manipulated by a hand. The die also include... | 02/11/1992 |
| 5065636 | Drive arrangement for a male-die-side ejector slidably disposed in a slide of a mechanical metal-forming press In the case of a drive for a male-die-side ejector slidably disposed in a slide of a mechanical metal-forming press having an angle lever which is pivotably disposed at the slide, one leg of the lever acting upon the end of the ejector facing way from the... | 11/19/1991 |
| 5066448 | Tread removal method and apparatus A method and apparatus for automatically removing an annular grooved tread from an initially closed segmented mold is described. The segmented mold has an annular cavity and a central core, and has both an axial direction and a radial direction. The metho... | 11/19/1991 |
| 5064365 | Mold apparatus with mold breaker A mold apparatus for forming parts by reacting foam precursors in a mold cavity part closed by a cover has a mold breaker assembly including a member for holding a molded foam product in the mold cavity part as the cover is removed for part demolding. The... | 11/12/1991 |
