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| Number | Title | Issue Date |
| 7861999 | Lens molding apparatus An adjustable mold includes a distortable boundary, a flexible membrane, and a pressurizer, and method of use thereof. Pressure is applied to the flexible membrane, which causes the membrane to distort over the boundary. The shape of the boundary and the distortion ... | 01/04/2011 |
| 7147201 | Method for annealing an electrodeposition structure A method for annealing a structure formed by electrodeposition is provided, the method comprising providing the electrodeposition structure, the electrodeposition structure comprising an electroformed mold, the electroformed mold having a nominal thickness between a... | 12/12/2006 |
| 7119146 | Polymer blend compatibilization using isobutylene-based block copolymers II Compatibilized blends of an isoolefin polymer and an unsaturated diene polymer are prepared by utilizing a compatibilizing agent comprising a block/graft copolymer containing poly- or copoly-isoolefin segments and C4 to C6 alkyl-substituted sty... | 10/10/2006 |
| 6998088 | Self-releasing curing bladder containing a micro-encapsulated lubricant and use thereof to cure rubber products such as tires This invention relates to an expandable curing bladder of a butyl rubber composition containing a micro-encapsulated polysiloxane lubricant for delivering lubricity to the surface of the bladder. The invention further relates to a process of curing tires with such b... | 02/14/2006 |
| 6981861 | Foaming mold using hollow tubes The present invention relates to a foaming mold using hollow tubes, and more particularly, to an improved mold for use in manufacturing a foamed product through foaming (or expansion molding), in which gas generated from the foamed product during the foaming can be ... | 01/03/2006 |
| 6925723 | Three-dimensional template for footwear design A three-dimensional template for aesthetically and structurally designing an article of footwear is disclosed. The template includes a shell that defines an exterior surface. A marking instrument may be utilized to inscribe designs on the exterior surface. The shell... | 08/09/2005 |
| 6918997 | Method of producing pulp moldings A method of producing a pulp molded article comprising the steps of assembling splits (10, 11) each having a suction passageway and a papermaking screen (5) into a papermaking mold (1), filling the cavity of the papermaking mold (1) with ... | 07/19/2005 |
| 6748717 | Method and system for emplacing prefabricated buildings A method for preparing a footing for a foundation of the type for emplacement of a prefabricated building over a pattern of footing excavations, including suspending a block of rigid, but dissolvable material within each footing excavation with a prescribed distance... | 06/15/2004 |
| 6672857 | Device for introducing a coating into pipes Device for introducing a coating into pipes and pipe bends and, more generally, into rotationally symmetrical bodies open at only at least one end, with an elastic, elongate, inflatable core (12), the so-called "variocore".... | 01/06/2004 |
| 6589041 | Apparatus for shaping thermoplastic materials The apparatus for shaping thermoplastic materials, in particular for producing moulded parts with a large height of the moulded part, comprises a suction-pressure bell and a lower part which can be locked to each other by a locking device. Resting on the ... | 07/08/2003 |
| 6551085 | Bladder for vulcanizer, vulcanizer using the same and vulcanizing-molding method A bladder for a vulcanizer includes, as a constituent member, a low elongation material with stable properties at vulcanization temperatures. During a vulcanization-molding process, the bladder is pressed against the inner surface of a green tire using a ... | 04/22/2003 |
| 6315295 | Inflatable seals An inflatable seal system in a tool having opposed parts which are relatively movable together with the inflatable seal system therebetween. The inflatable seal system comprising a longitudinally extending seal cavity and a seal extending longitudinally a... | 11/13/2001 |
| 6231026 | Tire curing bladder containing lecithin and use thereof The invention relates to expandable butyl rubber bladders for use in curing presses for hydrocarbon rubbers such as pneumatic tires. The bladders are a crosslinked elastomer comprising isobutylene repeat units and the bladder composition contains lecithin... | 05/15/2001 |
| 6193209 | Container for forming voids in concrete An insert device for forming voids in concrete for various types of purposes, such as anchoring heavy machinery to a concrete foundation, is disclosed. A method for the use of the insert device is also disclosed.... | 02/27/2001 |
| 6110407 | Methods of manufacturing dipped bladder molding mandrels for manufacturing tubular shafts The present invention relates to an improved apparatus and method for manufacturing shafts from composite materials, particularly shafts for golf clubs. An elongate mandrel, having a passage therein and having a plurality of holes between the passage and ... | 08/29/2000 |
| 6015525 | Tire cure bladder composition with alkylphenoxypoly (alkyleneoxy) alkanol Disclosed are expandable bladders for use in curing presses for rubber compositions such as pneumatic tires. The bladders are a crosslinked elastomer comprising an isobutylene rubbery polymer. The bladder composition includes alkylphenoxypoly(alkyleneoxy)... | 01/18/2000 |
| 6013218 | Tire cure bladders cured with brominated phenolic resigns and containing PTFE and/or graphite Expandable bladders for use in curing presses for hydrocarbon rubbers, such as pneumatic tires, are a crosslinked elastomer composition including isobutylene repeat units. When PTFE and/or graphite is present, they can be cured with brominated phenolic re... | 01/11/2000 |
| 5858295 | Method of injection molding a part using an inflatable mold core A method of injection molding includes the steps of providing a source of pressurized flowable material, a source of pressurized fluid, and a mold assembly actuatable from an open position to a closed position. The mold assembly includes first and second ... | 01/12/1999 |
| 5753538 | Method of sealing electronic parts with molded resin and mold employed therefor In a method of sealing electronic parts with molded resin, a hollow sealing member is arranged on a mold surface of an upper mold section of a mold comprising the upper mold section and a lower mold section, so that the hollow sealing member is pressurize... | 05/19/1998 |
| 5741388 | Process and apparatus for slip casting of ceramic parts The apparatus according to the invention for the slip casting of ceramic parts has essentially a bell which is arranged on a holding device and is vertically displaceable and a plurality of mold parts. The latter together with a base part form a mold whic... | 04/21/1998 |
| 5728311 | Tire cure bladders containing polytetrafluoroethylene powder and use thereof Expandable bladders for use in curing presses for hydrocarbon rubbers, such as pneumatic tires, are a crosslinked elastomer composition comprising isobutylene repeat units and including a fluorinated ethylene polymer added in particulate form and thereaft... | 03/17/1998 |
| 5662944 | Sealing assembly for molds used for casting sanitary fixtures A sealing assembly for molds used for casting sanitary fixtures including at least one female die which is capable of defining the molding cavity of the item as well as at least one male die which is designed to be introduced into and withdrawn from said ... | 09/02/1997 |
| 5648108 | Production system for automatic casting of hollow bodies, in particular of concrete A production system for automatically casting hollow bodies, in particular of concrete, in a casting mold, which comprises an inner mold (2), an outer mold (1), a bottom ring (3), and a top ring (4). Separate top rings (4) are used for the production, whi... | 07/15/1997 |
| 5564369 | Reef ball The method and apparatus for producing artificial reef modules which can be deposited on the ocean floor for permitting growth of coral and other marine growth thereon. The reef balls can be left permanently at a particular location to develop an artifici... | 10/15/1996 |
| 5545022 | Apparatus for manufacturing a vehicle bumper A bumper construction for vehicles constructed of a single strip of metal roll-formed into a completely enclosed tubular member in which a foamed-in-place material is located in and completely fills only a central section of the tubular member a relativel... | 08/13/1996 |
| 5538218 | Tire curing bladder with improved release from the tire innerliner Expandable bladders for use in curing presses for hydrocarbon rubbers such as pneumatic tires are a crosslink elastomer comprising isobutylene repeat units and include graphite. A preferred isobutylene elastomer is a brominated copolymer of isobutylene an... | 07/23/1996 |
| 5522181 | Devices for the rapid deployment of igloos Apparatus for fabricating igloo and like structures comprising an inflatable form of a flexible air-impervious plastic having a base component, a roof component, and cylindrically shaped side walls with associated valve to inflate and deflate the form. Th... | 06/04/1996 |
| 5468140 | Tapered airsleeve curing press An apparatus for curing a tapered airsleeve has a bladder curing chamber into which a rigid tapered sleeve cartridge is inserted to form the airsleeve thereon. The bladder curing chamber is formed by a rigid bladder support tube positioned between upper a... | 11/21/1995 |
| 5425627 | Apparatus for forming the neck region on a plastics half shell A description is given of an apparatus for forming and deep-drawing the neck region at the edge of a plastics half shell, having a deep-drawing tool (3) and a counter-pressure plate (2) which are movable in two directions relative to each other, wherein t... | 06/20/1995 |
| 5400999 | Inflatable construction apparatus Inflatable formwork mould for supporting one or more applications of hardening building materials, applied while still in a plastic state. The formwork mould is characterized in that at least two of its sides (20) consist of elongate, cross-shaped, modula... | 03/28/1995 |
| 5286161 | Method of producing silage removal channel A method of producing a silage removal channel. The method comprises the steps of disposing an inflatable tube within an empty silo, inflating the tube, filling the silo with feedstuff, deflating the tube and then withdrawing the same from the interior of... | 02/15/1994 |
| 5277396 | Casting mould A casting mold for casting concrete elements includes a bottom surface, two edge surfaces and two end surfaces. At least one of the edge surfaces is movable for positioning at a desired distance from the other edge surface. The movable edge surface is equ... | 01/11/1994 |
| 5266137 | Rigid segmented mandrel with inflatable support A rigid mandrel has a plurality of elongated sector pieces arranged in an edge-to-edge relationship to provide a peripheral wall for forming a hollow shell. One or more bladders are inflated within the peripheral wall by a pressurized fluid and edge porti... | 11/30/1993 |
| 5250142 | Rubber surface having non-stick ply turn-up bladder A tire ply end turn-up device comprising an inflatable first rubbery polymer bladder body, a second non-stick rubbery polymer layer on at least a portion of the surface of the bladder body, and fabric between the bladder body and the non-stick surface. Th... | 10/05/1993 |
| 5229024 | Apparatus for making concrete pipe The invention relates to seals on equipment used to make concrete pipe. Such equipment includes two generally vertical cylindrical surfaces, a core and a mold, with upper and lower end forming rings. The lower end forming ring, a pallet, has inner and out... | 07/20/1993 |
| 5227176 | Mold for a shaped laminate A mold for a shaped laminate having a rigid member which includes a cavity through which plastic layers are drawn in forming the laminate, such cavity comprising a deformable wall portion having a shape-sustaining configuration matching the surface contou... | 07/13/1993 |
| 5131834 | Silicone gel isostatic pressurizing bag and method of use and manufacture An isostatic pressurizing bag for consolidating a composite part has an outer flexible elastomer having a fixed resilient outside surface. The outer elastomer surrounds a closed chamber. A thermally expandable inner elastomer is located in the closed cham... | 07/21/1992 |
| 5127813 | Mold for skin covered foamed plastic molding A mold for molding a skin covered foamed plastic article capable of dealing with those foamed plastic articles having large curving portions without complicating the manufacturing process relating to the attachment of the skin member on the mold, without ... | 07/07/1992 |
| 5108687 | Device and method for at least partially encapsulating a substantially sheet shaped element A device for at least partially encapsulating a border of a substantially sheet shaped element, and including a mould having at least two parts for pressing therebetween the element. The mould has a shape such that, when the element is pressed between the... | 04/28/1992 |
| 5090885 | Plunger to support a wall on plastics foaming and method to make such a plunger A plunger (10) for supporting a wall (46) of e.g. a refrigerator door against deformation from an expanding, and hardening foamed plastic (52) on the other side of the wall. An evacuated bag-formed part (18) filled with a particulate material (20), has a ... | 02/25/1992 |
