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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 7264761 | Method of making a molded plastic elbow An improved molded plastic elbow and a related mold assembly and manufacturing method are provided, wherein the elbow defines an internal flow path having a smoothly radiused inside turn. The elbow is formed by injecting plastic material into a tubular mold cavity f... | 09/04/2007 |
| 7157037 | Apparatus for making threaded articles in a plastic injection molding process A Bi-directional rack assembly that rotates one column of threaded cores and unscrews threaded closures while moving in the forward direction. The Bi-directional rack then mechanically changes position to engage an adjacent column of rotating threaded cores and at t... | 01/02/2007 |
| 7055870 | Molded flare assembly A fully formed flared portion is molded as part of the main body of the one embodiment of the fitting. The flared portion is inserted through the back side of a retaining cap. A collet assembly is assembled together around the smallest diameter of the tube fitting b... | 06/06/2006 |
| 6871688 | Apparatus and method for manufacturing die-cast product Fluid pressure of a first fluid chamber of a driving means, which acts as a back pressure, is monitored by a monitoring means when a core pin is driven by the driving means in an inserting direction before injection of a molten material into a cavity of a die arrang... | 03/29/2005 |
| 6843461 | Mold for producing depressions in the sides of a molded block The side walls of a mold have recesses in each of which is mounted a mold core for forming depressions on the outer side of a concrete block which is to be produced in this mold. The mold cores are pivotally supported around a horizontal axis which is parallel to th... | 01/18/2005 |
| 6830721 | Liquid dispensing closure A liquid dispensing closure for bottles and the like comprising a one-piece body having an end wall for covering the mouth of the bottle and a depending skirt for threading onto the neck of the bottle. A dispensing aperture in the end wall is surrounded by a spout t... | 12/14/2004 |
| 6793192 | Process of making integral three-dimensional articles, and mold for making such articles An apparatus and method for molding three-dimensional articles having interstitials. The article has elongate elements and interstitials between the elongate elements. The interstitials may extend entirely through the article, or intercept only the periphery of the ... | 09/21/2004 |
| 6740281 | Three-dimensional articles of indeterminate axial length An integral three-dimensional article having interstitials therethrough, the three-dimensional article comprises an unconstrained number of axially successive stages. An apparatus and process for molding such a three-dimensional article are also disclosed. The appar... | 05/25/2004 |
| 6604930 | Concrete block molding machinery A molding machine for a concrete mix includes a frame with a vibratible mold having a vertical through cavity with hollow cores extending downwardly in the mold cavity. A pallet receiver with a pallet thereon is movable upwardly to close the bottom of the... | 08/12/2003 |
| 6485623 | Method and device for forming angled wells in an electrophoresis gel slab A device for forming angled wells in an electrophoresis gel slab includes a device having a plurality of projections oriented at an angle with respect to a longitudinal dimension of the device. A method for forming angled wells in a gel places the device ... | 11/26/2002 |
| 6471903 | Method for manufacturing an intracutaneous microneedle array An array of hollow microneedles is constructed of molded plastic, in which a micro-machining technique is used to fabricate the molds used in a plastic microforming process. The molds are detachable and can be re-used. The preferred process for making the... | 10/29/2002 |
| 6461557 | Method of molding an O-ring retainer in components using interlocking molds A method and apparatus for forming a plastic component with at least a first and second set of integrally molded castellations for retaining an O-ring therebetween; the component therefrom; and further embracing a method and apparatus for forming such a p... | 10/08/2002 |
| 6406654 | Wax pattern mold with stripable core A wax pattern mold and molding process are disclosed for forming a wax pattern of a hollow, thin walled object, in particular, a golf club head. A mold is provided in at least two halves defining a mold cavity. A core made up of a plurality of interfitted... | 06/18/2002 |
| 6399006 | Process and apparatus for molding polymer sweep fittings A method and apparatus for producing molded fluoropolymer sweep elbows with straight threadable ends that minimizes distortion of the fitting. The apparatus comprises a mold core or insert that is comprised of multiple curved segments which are retracted ... | 06/04/2002 |
| 6399007 | Method for molding a bearing sleeve for a multiple pole, shaded pole subfractional-horsepower induction motor A bearing sleeve and method for manufacturing the same enable a bearing to be placed in a captive position in the sleeve by inserting the bearing into a slot in the sleeve and then slidably rotating the bearing to the captive position.... | 06/04/2002 |
| 6287017 | Optical connector ferrule, method of manufacturing the same, and optical connector using the same In an optical connector for positioning and fixing the distal end of a fiber optic ribbon cable with a connector ferrule, a guide-pin hole is formed in a mating end connected with another optical connector. A pair of positioning guide pins are inserted in... | 09/11/2001 |
| 6180047 | Method of producing a pattern mold An injection mold for forming a pattern for use in investment casting having mold sections carrying two pattern-forming surfaces and a translatable third pattern-forming element movable on a mold section. The mold also includes an inner core. Parting line... | 01/30/2001 |
| 6149851 | Tooling apparatus and method for producing grid stiffened fiber reinforced structures A method and apparatus for the manufacture of fiber reinforced structures. The tooling and its use for the manufacture of reinforced structures is described and illustrated.... | 11/21/2000 |
| 6086812 | Injection molding method and apparatus for forming colliding stream spray dispensing nozzle A multiple hole, preferably a two hole spray dispensing system and sprayer in which colliding streams of viscous liquid are dispensed to the atmosphere are provided. The spray dispenser includes a reservoir for storing a fluid product. An aerosol or manua... | 07/11/2000 |
| 5980809 | Method for molding a plastic washing machine basket A method and apparatus for molding a plastic washing machine basket includes a fixed mold core formed with teardrop-shaped projections spaced about a periphery thereof, cavity sidewall members spaced about the periphery of the mold core which carry core p... | 11/09/1999 |
| 5895621 | Method for manufacturing a steering wheel pad A method for manufacturing an injection molded steering wheel pad having a cover and a pocket formed between a first projection and a second hook-spaced projection, that together hold an arm of an airbag device. The pad includes a pad body and at least on... | 04/20/1999 |
| 5824257 | Molding core construction and process for molding of high-density electrical connector housings An improved core detail tooling assembly for use in the injection molding of electrical connector housings utilizes opposing sets of tooling elements and one set of tooling elements positively engages the other set at a location exterior of openings in th... | 10/20/1998 |
| 5820807 | Staged, sequentially separated injection mold method for forming container closures A staged, sequentially separated injection molding apparatus for forming a molded container closure includes a mold base portion, a plurality of concentric, separable telescopic mold elements, and an opening therein defined by one of the base portion and ... | 10/13/1998 |
| 5798073 | Mold assembly for forming apertures in a molded body A mold assembly includes first and second housings having generally curved surfaces inside the mold cavity. The first housing has apertures extending therethrough. The second housing may have apertures, axially aligned with the apertures of the first hous... | 08/25/1998 |
| 5788911 | Method of manufacturing inner gear and method of manufacturing cylindrical product A method of manufacturing the cylindrical product includes the steps of inserting a first cylindrical mold into a hole at the center of a second cylindrical mold and engaging a toothed portion on the first cylindrical mold with a spiral groove on the seco... | 08/04/1998 |
| 5780079 | Apparatus for molding a connector An apparatus for molding a connector includes a stationary body, a moving body, a first and a second blocks detachably fixed to the moving body, and a core block having at least one core. The first block has at least one hole and the second block has at l... | 07/14/1998 |
| 5780072 | Manufacturing apparatus for manufacturing TM dual mode dielectric resonator apparatus In a TM dual mode dielectric resonator apparatus, a cross-shaped TM dual mode dielectric resonator is provided in an electrically conductive case, and the TM dual mode dielectric resonator includes first and second dielectric resonators integrally formed ... | 07/14/1998 |
| 5759592 | Compression mold for forming a composite material fixed angle rotor A method and apparatus for the compression molding of composite fiber fixed angle rotors is disclosed. A female mold member defines a closed cylinder cavity for molding the bottom surface of the rotor, this cavity usually defining a frustum shaped central... | 06/02/1998 |
| 5728344 | Method of molding a steering wheel pad A manufacturing method for an injection molded steering wheel pad having a cover and a pocket formed between a first projection and a second hook-shaped projection, that together hold an arm of an air bag device. The method includes use of fixed and movab... | 03/17/1998 |
| 5587189 | Molding device for register of synthetic resin A molding device for a register of synthetic resin adapted for use in adjustment of air flow, wherein a pair of outer frame members, a plurality of spaced adjustment blades and a link member of the register are separately formed and assembled during a mol... | 12/24/1996 |
| 5531949 | Methods and molds for making a roller skating wheel having curvilinear paths through the hub A method and mold for making a wheel of a roller skate including a plurality of circumferentially spaced apart generally axially extending curvilinear paths. A speed skater, traveling a predominately circular course with such wheels properly aligned on su... | 07/02/1996 |
| 5505896 | Process for manufacturing product by utilizing progressively expanding mold A process for manufacturing product by using a progressively expanding mold comprises (a) using a stationary piece having a cavity therein and having an opening at one end thereof, (b) assembling a first movable piece in the cavity of the stationary piece... | 04/09/1996 |
| 5470522 | Method of molding Y-adapter with a sideport radius A method of molding the main body of a Y-adapter that has a straight passageway extending from one extremity to the other and an arcuate passageway that is generated along the arc of a circle. Core pins for the straight and arcuate passageways are placed ... | 11/28/1995 |
| 5460769 | Method and apparatus for manufacturing a separable plastic fastener A method and apparatus for manufacturing a separable fastener which includes a pair of fastener pieces. Each of the fastener pieces includes a flat base and a plurality of elastic engagement projections provided on and integral with the base and arranged ... | 10/24/1995 |
| 5456593 | 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... | 10/10/1995 |
| 5419865 | Plastic molding method A method of making plastic molding consists of a boxlike body having an field of multiple fine conical holes. The internal diameter of the fine conical holes gradually decreases from the inner surface of the plastic molding toward the outer surface of the... | 05/30/1995 |
| 5417559 | Wax pattern mold A wax pattern molding process, employing a mold having a cavity and a core structure in the mold cavity that include closing the mold with the core structure positioned in the mold cavity; injecting flowing heated wax into the mold to flow about the core;... | 05/23/1995 |
| 5380185 | Ball for ball game and molding apparatus for forming the same A molding apparatus for injection-molding a hemispherical hollow body formed of a thermoplastic elastomer and having a valve formed integrally therewith. The apparatus includes a first mold having a hemispherical convex molding surface, a second mold havi... | 01/10/1995 |
| 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 |
| 5315806 | Structure for concrete frameworks and means and procedures for its making The said structure presents a constitution which, as well as providing a great resistance, supposes an effective reduction of the depth of floor slabs and technical layers built with current construction systems while allowing the incorporation of various... | 05/31/1994 |
