Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 7211215 | Mould, encapsulating device and method of encapsulation The invention relates to a mould for encapsulating electronic components mounted on a carrier, comprising: at least two mould parts displaceable relative to each other, at least one of which is provided with a recess, and feed means for encapsulating material, where... | 05/01/2007 |
| 7153461 | Adhesive tape enabling patterns and marks to be formed thereon and manufacturing method A method for manufacturing adhesive tape that pattern and mark are easily formed thereon which includes the steps of placing a felted surface of a felt portion on the bearing portion of a lower mold, alter closing the upper mold, injecting a plastic material via hig... | 12/26/2006 |
| 7005101 | Virtual gate design for thin packages The mold for a thin package uses a gate which has a high aspect ratio, about 30 degrees or greater throughout the length of the gate. Additionally, the depth of the gate goes to zero at a point outside of the area of the finished package, but within the dam bars, so... | 02/28/2006 |
| 6457512 | Bottom pouring fully dense long ingots Fully dense long ingots are produced by the bottom pouring method and apparatus of the present invention. A solidification sequence is achieved which is conducive to eliminating solidification shrinkage and piping. The set-up of the bottom poured ingot mo... | 10/01/2002 |
| 6322044 | Ice cube bag and method of producing ice cube bags An ice cube bag comprises two sheet-shaped foil layers (12, 14; 12', 14') defining an outer periphery. A peripheral joint (20, 21, 21a, 21b) extends along the major part of the outer periphery of the foil layers, with the exception of a peripheral area co... | 11/27/2001 |
| 5909984 | Pile forming system and method of using the same A pile forming system and method for forming a pile. The pile forming system comprises a top pile forming member, a bottom pile forming member, and an end plate assembled together to provide a complete pile form which can then be filled with concrete to f... | 06/08/1999 |
| 5846446 | Ice making bag A first ice making bag (110) comprises a first envelope (112) which comprises a first envelope top (112T) and a first envelope bottom (112B). The first ice making bag (110) further comprises a first binding (114) which comprises a first peripheral binding... | 12/08/1998 |
| 5747830 | Semiconductor display device with a hydrogen supply and hydrogen diffusion barrier layers The invention provides a semiconductor device having a low threshold voltage and capable of operating at a high speed, and also provides an active matrix display device including such a semiconductor device. The invention also provides a method of produci... | 05/05/1998 |
| 5592986 | Bullet molding apparatus The apparatus comprises first and second mold blocks, each having a pair of matching mold half cavities and being adapted to be held in assembled relationship with the half cavities in abutting register, to define, a pair of full cavities. The apparatus f... | 01/14/1997 |
| 5527012 | Freezing mould bag, especially for freezing ice lumps A freezing mould bag for ices is formed from two plastic foils, and has a segmented inlet channel, two closure valve flaps extending within the interior of the bag, and a constriction which provides a venturi effect closing the bag at the constriction.... | 06/18/1996 |
| 5349136 | Mold tool assembly A mold tool for forming an electronic component having a semiconductor chip sealed on a supporting member by a resin-molded package, includes an upper mold having an upper cavity and a lower mold having a lower cavity, the package being molded in the cavi... | 09/20/1994 |
| 5204122 | Mold for use in resin encapsulation molding A mold system for use in resin encapsulation molding includes a cavity serving as a resin molding section in which small size electric elements such as semiconductor devices and electrical parts are encapsulated with a synthetic resin. The system also inc... | 04/20/1993 |
| 4944483 | Apparatus for forming fiber reinforced slab gel for use in electrophoresis An apparatus for forming a fiber reinforced slab gel for use in electrophoresis including a box shaped casing having a first groove at the center of an inner lower end surface, and a cover having a second groove for hermetically closing an open area of th... | 07/31/1990 |
| 4883251 | Container for making ice cubes A container for making ice cubes having a generally prismatic hollow configuration, a front side of which includes rows of truncated pyramidal cavities, the back wall having mutually perpendicular stacking ribs for mating with the cavities of a juxtaposed... | 11/28/1989 |
| 4818204 | Mold for molding semiconductor devices A metal mold for plastic molding a semiconductor device by a transfer-molding method with the use of thermo-hardening plastics. The mold includes a pot section into which plastic is injected; a cavity section where a product is formed; a runner section co... | 04/04/1989 |
| 4607680 | Method and mould for casting metal articles A method for moulding multiple castings in which each mould is fed from a source of molten metal through a thin slit the width of which lies in the range 1.25 mm down to 0.25 mm. The cast articles can easily be removed from the runner and riser system aft... | 08/26/1986 |
| 4516621 | Mould assembly for casting metal articles In a mould assembly for multiple castings each mould is fed from a source of molten metal through a thin slit the width of which lies in the range 1.25 mm to 0.25 mm. The cast articles can be easily removed from the runner and riser system after casting w... | 05/14/1985 |
| 4513942 | Plate molding apparatus with interlocking cavity plates In an apparatus for encapsulating objects in molded plastic packages, an improved removable cavity plate assembly comprises upper and lower cavity plates which fit together in an interlocking manner to define molding cavities having integral surfaces form... | 04/30/1985 |
| 4512544 | Bottom pour ingot mould system A bottom pour ingot mould system and more particularly a sprue plate having a plurality of horizontally extending runners therein and a plurality of upstanding guide pads spaced from the horizontal runners to effect positioning of each mould relative to a... | 04/23/1985 |
| 4449690 | Apparatus for encapsulation casting An apparatus and a method of use thereof for cast encapsulation of items, particularly electronic components. The apparatus consists of a plurality of identically shaped split matrix elements. Each matrix element has a first surface for receiving and secu... | 05/22/1984 |
| 4440377 | Mold for footwear sole A book mold for producing a plurality of flat footwear soles simultaneously includes opposed top and bottom molds, each of which includes a pair of mold cavities; and an intermediate mold defined by a plate connected to one end of the bottom mold by a pia... | 04/03/1984 |
| 4359202 | Apparatus for bottom casting metal ingots Nozzle apparatus and method for controlling molten metal flow in a bottom pour casting system whereby a fluid passage is defined wherein the flow is controlled to minimize splashing of the molten metal in the molds and the flow distribution is better equa... | 11/16/1982 |
| 4356994 | Holloware for uphill teeming The invention relates to the units of a pouring system for uphill teeming. Conventionally, such units are formed by a pouring trumpet having a two-part heavy duty iron casing, and by runners set in channels in a heavy cast iron base plate, requiring skill... | 11/02/1982 |
| 4334664 | Apparatus for recovering tin from tin dross A method of recovering tin from tin dross consisting of positioning a barrel having an apertured bottom and charged with a supply of the tin dross upon a partitioned collecting tin mold, with the components thus arranged being placed into a furnace for su... | 06/15/1982 |
| 4332537 | Encapsulation mold with removable cavity plates A cavity plate means is removably positioned between upper and lower mold plates with the upper surface of the cavity plate means flush against the upper mold plate. The cavity plate means has openings from top to bottom thereof and holds objects spaced f... | 06/01/1982 |
| 4327890 | Battery strap and post cast-on multi use mold A composite mold construction for casting on the connector straps, posts, and terminals for lead acid electrical storage batteries wherein the mold cavity areas are alternately heated by direct flame on one face and then chilled by a coolant on their oppo... | 05/04/1982 |
| 4239724 | Method for making valued plastic articles such as game tiles The method of making valued plastic articles, such as game tiles and the like, comprising providing in one of a pair of separable mold members ejector pins for forcibly ejecting the tiles and severing them from residual plastic and providing in the other ... | 12/16/1980 |
| 4239471 | Thermal alignment of cores and cavities in multi-cavity injection molds This relates to an injection mold assembly wherein there is a plurality of cavities which are spaced from a center of the mold assembly and wherein each cavity has therein a core so that a thin wall article, such as a preform for a blow molded bottle, may... | 12/16/1980 |
| 4219323 | Self-compensating hot manifold link A link for coupling a plurality of injection mold manifolds has expansion and compression compensating slots for absorbing movement of the manifolds as they are heated and cooled.... | 08/26/1980 |
| 4199315 | Apparatus for the injection molding of pneumatic tires having symmetrical parts of similar physical characteristics An apparatus is provided for injection molding a pneumatic tire having corresponding symmetrical parts such as the sidewalls of the tire which are geometrically symmetrical and have substantially the same physical characteristics. The apparatus involves m... | 04/22/1980 |
| 4184836 | Multiple mold for producing elongate tubular articles A central chamber of a mold body, communicating through a heated nozzle with a supply channel, has a plurality of peripherally spaced injection orifices opening into respective cavities for the molding of tubular articles such as shells of disposable syri... | 01/22/1980 |
| 4181285 | Freezing mould bag Freezing mould bags are disclosed, having a plurality of mould compartments which communicate with each other and, in turn, with a liquid inlet. The liquid inlet and the mould compartments are defined by a pattern of joints or sealings between two opposed... | 01/01/1980 |
| 4140452 | Tire manufacture In molding the tread portion of a pneumatic tire to have a breaker structure incorporated therein the breaker is built in an annular mold cavity to have a radially outermost 90° ply consisting of parallel cords extending axially of the cavity, and uncure... | 02/20/1979 |
| 4133371 | Casting A mould assembly for producing multiple castings in which a plurality of mould components are closely arranged together in an array and define a plurality of mould cavities. At the base of the array there is provided a regularly shaped space which communi... | 01/09/1979 |
| 4126292 | Mold die A mold die including two or more cavities shaped to profile the configuration of mold products, a pot serving as a lead-in portion for resin of a tablet-form, or a sprue serving as a lead-in portion for molten resin, a runner leading to the pot or sprue, ... | 11/21/1978 |
| 4052034 | Baking device A baking pan insert that is especially adapted for the baking of cupcake and the like and is adapted to allow the baker to fill each cupcake with a differing filling while the same are already in the pan.... | 10/04/1977 |
| 4023770 | Injection molding die system A transfer structure for a stacked injection molding die comprising: Two transfer tubes connected to a stack molding die and connected together by a knuckle joint so that molten plastic can flow from the runner in one of the parts of the stack molding die thro... | 05/17/1977 |
