Viewing Port For Specific Environment Patents (Class 52/171.1)
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Patent number: 9850701Abstract: An exemplary door includes a door body and a light assembly. The door body includes a first door panel defining a first panel opening, a second door panel defining a second panel opening, and an internal cavity. The area of the first panel is greater than the area of the second panel opening. The light assembly includes a first trim, a second trim, and an impact-resistant pane positioned in the door cavity. The first trim includes an outer frame coupled to the first door panel and an inner frame positioned in the internal cavity. The pane has an area greater than the area of the second panel opening area, and includes an first outer layer adhered to the inner frame of the first trim, a second outer layer adhered to the door body, and at least one intermediate layer.Type: GrantFiled: November 3, 2016Date of Patent: December 26, 2017Assignee: Schlage Lock Company LLCInventors: David L. Arway, Karen Bishop, David J. Wells, Lance W. Graff
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Patent number: 9512667Abstract: Disclosed is a device for facilitating inspection of the interior of a cabinet, while preventing direct physical access thereto, the device comprising: a movable shutter element, arranged to move from a closed to an open position upon insertion of a slide element, such that insertion of the slide element causes the shutter element to move in correspondence to the slide element so that the interior of the cabinet is physically shielded from the exterior.Type: GrantFiled: November 14, 2011Date of Patent: December 6, 2016Assignee: LMR TECHNOLOGIES LIMITEDInventor: Lewis Rowland
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Patent number: 9109364Abstract: A method for fastening a cover plate (6) to a frame structure (1) formed on the cover plate (6) is to easily and rapidly allow the erection of faces that are stable and durable in the long term and simultaneously, in the case of vacuum insulating panels, allow particularly good preservation of the vacuum in the panels. For this purpose, the frame structure (1) comprises a cavity (12), a number of channels (2) connecting the cavity (12) to the surface (4) and an opening (8) to connect a vacuum pump (10), the vacuum pump (10) being connected to the opening (8) and put into operation, the cover plate (6) being arranged on the surface (4) above the channels (2), and the cover plate (6) being fixed to the surface (4).Type: GrantFiled: October 24, 2012Date of Patent: August 18, 2015Inventor: Stefan Lück
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Patent number: 9016629Abstract: A window system for a vehicle comprising a pressure and thermal window pane, a seal system, and a retainer system. The pressure and thermal window pane may be configured to provide desired pressure protection and desired thermal protection when exposed to an environment around the vehicle during operation of the vehicle. The pressure and thermal window pane may have a desired ductility. The seal system may be configured to contact the pressure and thermal window pane to seal the pressure and thermal window pane. The retainer system may be configured to hold the seal system and the pressure and thermal window pane.Type: GrantFiled: November 28, 2011Date of Patent: April 28, 2015Assignee: The Boeing CompanyInventor: Kirk Nils Svartstrom
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Patent number: 8916245Abstract: A fracture-safe viewport for a pressure system having a pressure port which is pumped by said pressure system to a pressure above or below atmospheric pressure, comprising a plurality of panes each capable of passing electromagnetic radiation therethrough, each pane being mounted inside a tubular structure and being hermetically sealed to the wall of the pressure chamber. Each of the panes may be a different material or any combination of materials may be used from the group comprising sapphire, glass and quartz or any other material through which a high powered laser or other electromagnetic beam may be directed without adverse consequences. Highly pure, defect-free, ultra-polished, single-crystal sapphire is preferred. Spacing between the panes is used in most embodiments to avoid shrapnel damage in case of catastrophic failure of a pane.Type: GrantFiled: June 8, 2009Date of Patent: December 23, 2014Inventor: Joseph Alexander Mansour, II
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Patent number: 8726585Abstract: Frames for mounting windows within the walls of enclosures for isolating or sealing substances such as radioactive or other hazardous substances from the surrounding environment. In a first embodiment of the present invention, a window assembly includes a two-piece frame that is welded into the wall of an enclosure. In a second embodiment of the present invention, a window assembly includes a three-piece frame that is clamped to the wall of an enclosure. The frame assemblies may also be used to mount structures other than windows to enclosure walls, such as ducts or pipes intended for passing power, gas, vacuum, or other utilities into the interior of an enclosure.Type: GrantFiled: October 29, 2012Date of Patent: May 20, 2014Assignee: Premier Technology, Inc.Inventor: Douglas A. Sayer
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Patent number: 8522496Abstract: A compression mounted window assembly is disclosed that includes a circular window having opposed front and rear planar surfaces and an outer periphery having forward and rearward chamfered edge surfaces, a compressible gasket circumscribing the outer periphery of the window, a housing with a portal having an annular seat for accommodating the window circumscribed by the gasket, wherein the annular seat has a first chamfered abutment surface corresponding to the forward chamfered edge surface of the window, an annular bezel operatively associated with the housing for compressively retaining the window assembly within the annular seat of the portal, and structure for securing the bezel to the housing, wherein the bezel has a second chamfered abutment surface corresponding to the rearward chamfered edge surface of the window.Type: GrantFiled: October 4, 2012Date of Patent: September 3, 2013Assignee: Rosemount Aerospace Inc.Inventors: Jonathan L. Boer, Eric L. Lovaasen, Kevin John Benning
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Publication number: 20130047524Abstract: Frames for mounting windows within the walls of enclosures for isolating or sealing substances such as radioactive or other hazardous substances from the surrounding environment. In a first embodiment of the present invention, a window assembly includes a two-piece frame that is welded into the wall of an enclosure. In a second embodiment of the present invention, a window assembly includes a three-piece frame that is clamped to the wall of an enclosure. The frame assemblies may also be used to mount structures other than windows to enclosure walls, such as ducts or pipes intended for passing power, gas, vacuum, or other utilities into the interior of an enclosure.Type: ApplicationFiled: October 29, 2012Publication date: February 28, 2013Applicant: Premier Technology, Inc.Inventor: Premier Technology, Inc.
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Patent number: 8353137Abstract: A compression mounted window assembly is disclosed that includes a circular window having opposed front and rear planar surfaces and an outer periphery having forward and rearward chamfered edge surfaces, a compressible gasket circumscribing the outer periphery of the window, a housing with a portal having an annular seat for accommodating the window circumscribed by the gasket, wherein the annular seat has a first chamfered abutment surface corresponding to the forward chamfered edge surface of the window, an annular bezel operatively associated with the housing for compressively retaining the window assembly within the annular seat of the portal, and structure for securing the bezel to the housing, wherein the bezel has a second chamfered abutment surface corresponding to the rearward chamfered edge surface of the window.Type: GrantFiled: September 2, 2010Date of Patent: January 15, 2013Assignee: Rosemount Aerospace Inc.Inventors: Jonathan L. Boer, Eric L. Lovaasen, Kevin J. Benning
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Patent number: 8297007Abstract: Frames for mounting windows within the walls of enclosures for isolating or sealing substances such as radioactive or other hazardous substances from the surrounding environment. In a first embodiment of the present invention, a window assembly includes a two-piece frame that is welded into the wall of an enclosure. In a second embodiment of the present invention, a window assembly includes a three-piece frame that is clamped to the wall of an enclosure. The frame assemblies may also be used to mount structures other than windows to enclosure walls, such as ducts or pipes intended for passing power, gas, vacuum, or other utilities into the interior of an enclosure.Type: GrantFiled: August 21, 2007Date of Patent: October 30, 2012Assignee: Premier Technology, Inc.Inventor: Douglas A. Sayer
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Patent number: 8250831Abstract: Disclosed is a method for installing a window or other fenestra-mounted object between joists in a structure having a ceiling. The method for installing a fenestra-mounted object into a structure having a ceiling supported by joists, comprising the steps of: creating a void between two joists of the structure, with at least some portion of the void being above the plane of the bottom of the joists; creating an opening in an exterior covering of the structure aligned with the void such that light or air external to the structure may enter the structure through the opening and the void; and installing a fenestra-mounted object in the void. Trim or a preformed trim component may be installed around the interior and exterior portions of the fenestra-mounted object to give a finished appearance.Type: GrantFiled: June 24, 2011Date of Patent: August 28, 2012Inventor: Craig D'Amico
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Publication number: 20120055103Abstract: A compression mounted window assembly is disclosed that includes a circular window having opposed front and rear planar surfaces and an outer periphery having forward and rearward chamfered edge surfaces, a compressible gasket circumscribing the outer periphery of the window, a housing with a portal having an annular seat for accommodating the window circumscribed by the gasket, wherein the annular seat has a first chamfered abutment surface corresponding to the forward chamfered edge surface of the window, an annular bezel operatively associated with the housing for compressively retaining the window assembly within the annular seat of the portal, and structure for securing the bezel to the housing, wherein the bezel has a second chamfered abutment surface corresponding to the rearward chamfered edge surface of the window.Type: ApplicationFiled: September 2, 2010Publication date: March 8, 2012Applicant: ROSEMOUNT AEROSPACE INC.Inventors: Jonathan L. Boer, Eric L. Lovaasen, Kevin J. Benning
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Patent number: 8104237Abstract: An insulating glass element for the at least partial delimitation of a combustion chamber, having at least two viewing panes, which have at least some areas a transparent glass or ceramic-glass material and are arranged spaced apart from each other while leaving an air chamber, and wherein a viewing area is created at least in parts of the air chamber. The two viewing panes are connected with each other by a temperature-resistant adhesive, and the adhesive encloses a viewing area of the viewing panes all around, or a spacing element, which runs around them at least partially, is connected with the two viewing panes in a material-to-material manner, preferably by a glued connection.Type: GrantFiled: May 21, 2009Date of Patent: January 31, 2012Assignee: Schott AGInventors: Hauke Esemann, Wolfgang Schmidbauer, Torsten Gabelmann, Claudia Stolz
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Patent number: 7858938Abstract: A system for deployment of a millimeter wave concealed object detection system using an outdoor passively illuminated structure is disclosed. In a particular embodiment, the structure includes at least one sidewall with at least one louvered panel within the sidewall. The louvered panel is orientated to reflect millimeter energy into the structure that is used in part by a concealed object detection system for detecting concealed objects. The louvered panel includes a plurality of adjustable parallel slats for obtaining an optimum deployment angle. The structure further includes at least one detection lane for guiding a subject through the structure and is configured between a controlled entry barrier and an exit barrier of the structure.Type: GrantFiled: June 9, 2008Date of Patent: December 28, 2010Assignee: Brijot Imaging Systems, Inc.Inventors: Robert Patrick Daly, Willem H. Reinpoldt
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Patent number: 7805896Abstract: A heated insulating glass panel, with a fitting, is provided. The heated insulating glass panel is formed from two dielectric sheets that are separated by a spacer, which has a spacer layer at the spacer edge. The fitting, which is made of a fitting base portion and a fitting tubular portion, is attached to the spacer layer at the spacer edge by way of, for example, two screws. Thus, the fitting provides a pathway for routing wires into and away from the heated insulating glass panel. If necessary, an elbow may be provided which attaches to the fitting tubular portion for changing the direction of the routing of the wires. In addition, conduit may be attached to the fitting to route the wiring to and from the heated insulating glass panel.Type: GrantFiled: March 3, 2006Date of Patent: October 5, 2010Assignee: Engineered Glass Products, LLCInventors: Peter F. Gerhardinger, Dillon R. Ashton
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Patent number: 7637063Abstract: Double-glazed thermoinsulated external wall particularly for windows or the facade of buildings, constituted by an outer pane and an inner pane, parallel to one another and defining a space, wherein the wall comprises a forced air circulation unit in the space.Type: GrantFiled: March 21, 2003Date of Patent: December 29, 2009Assignee: Vetro Ventilato S.R.L.Inventor: Massimo Sensini
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Publication number: 20090293381Abstract: An insulating glass element for the at least partial delimitation of a combustion chamber, having at least two viewing panes, which have at least some areas a transparent glass or ceramic-glass material and are arranged spaced apart from each other while leaving an air chamber, and wherein a viewing area is created at least in parts of the air chamber. The two viewing panes are connected with each other by a temperature-resistant adhesive, and the adhesive encloses a viewing area of the viewing panes all around, or a spacing element, which runs around them at least partially, is connected with the two viewing panes in a material-to-material manner, preferably by a glued connection.Type: ApplicationFiled: May 21, 2009Publication date: December 3, 2009Inventors: Hauke Esemann, Wolfgang Schmidbauer, Torsten Gabelmann, Claudia Stolz
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Patent number: 7584970Abstract: A one-piece water-closet gasket (21) comprises an outer gasket (39) for the stand (41) and an inner gasket (43) for sealing the outlet of the water-closet drain-duct (29) to the sewage inlet duct (37). The latter gasket comprises a tube (51) having a lower span (53) for plugging into the sewage inlet and is provided with means (55, 57) elastically bearing and sealing against the inner wall surface of the sewage duct.Type: GrantFiled: December 21, 2004Date of Patent: September 8, 2009Assignee: PEG S.A.Inventor: Gabriel Omar Ponce
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Patent number: 7578474Abstract: A window assembly and method for use with a mobile platform, and particularly with commercial or military aircraft. The window assembly includes a composite window panel that is secured to the fuselage skin of the aircraft. A tempered glass fairing is used in connection with a retainer clip and a plurality of sealing components to seal the fairing over the window panel in a manner that provides a sealed air gap between the inner surface of the fairing and the outer surface of the window panel. The fairing and the sealed air gap help to thermally isolate the window panel from the significant ambient temperature changes that are encountered during flight of the mobile platform. The fairing also provides a hazard barrier to protect the composite window panel from impact by foreign objects during flight. The sealed air gap also helps to control deflection of the fairing to thus ensure that the fairing maintains an aerodynamic profile generally in accordance with the contour of the outer surface of the fuselage.Type: GrantFiled: June 2, 2005Date of Patent: August 25, 2009Assignee: The Boeing CompanyInventors: Chris H Balsillie, Donald P Matheson, Jeffrey P Sandys, Shawn M Pare
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Patent number: 7325364Abstract: An upright hunting blind that is positioned partially underground and has viewing means mounted on its walls such that the viewing means are adjacent or near the ground level when the blind is positioned partially underground. Viewing means provide an opening for viewing and for extending an arrow, a gun barrel, or a camera through said opening while concealing the arrow, gun barrel, or camera. An upright blind having a height sufficient for more than one average hunter to stand upright in the blind, and a width sufficient for more than one average hunter to sit comfortably in the blind and move between the viewing means.Type: GrantFiled: June 16, 2004Date of Patent: February 5, 2008Assignee: Macho Bucks, Inc.Inventors: James R. Leininger, Peter A. Leininger, Richard Welch, Joseph Paul Lee
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Patent number: 7257927Abstract: Frames are disclosed for mounting windows within the walls of enclosures for isolating or sealing substances such as radioactive or other hazardous substances from the surrounding environment. In a first embodiment of the present invention, a window assembly includes a two-piece frame that is welded into the wall of an enclosure. In a second embodiment of the present invention, a window assembly includes a three-piece frame that is clamped to the wall of an enclosure. The frame assemblies may also be used to mount structures other than windows to enclosure walls, such as ducts or pipes intended for passing power, gas, vacuum, or other utilities into the interior of an enclosure.Type: GrantFiled: August 15, 2003Date of Patent: August 21, 2007Assignee: Premier Technology, Inc.Inventor: Douglas A. Sayer
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Patent number: 7246470Abstract: An insulating glazed element including at least two glass sheets, separated from each other by a space and joined at their periphery by a seal, and at least one section. The glazed element has at least one heating border on at least one face of at least one glass sheet, and the border is covered by the section and joined to the section by a heat-conducting seal.Type: GrantFiled: February 27, 2002Date of Patent: July 24, 2007Assignee: Saint-Gobain Glass FranceInventor: Andre Beyrle
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Patent number: 7185464Abstract: A tubular skylight for lighting rooms with natural light, comprising a tubular body with a reflective inner surface which leads into a room and has, at its external end, a natural light collector assembly and, at its internal end, a light diffuser. The collector assembly comprises, inside an optically transparent dome arranged so as to close the tubular body, a mirror-finished body which is substantially shaped like a cylindrical band with mirror-finished inner and outer surfaces. The axial width of the band-like body varies gradually from a minimum-width point to a maximum-width point, which lie diametrically to each other. It is also possible to provide a cylindrical refracting body that surrounds said mirror.Type: GrantFiled: October 21, 2002Date of Patent: March 6, 2007Inventor: Gennaro Bracale
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Patent number: 7171794Abstract: A peripherally encapsulated product, such as an oven door outer shell, is molded in accordance with this invention by placing a piece of glass between mold clamping portions of relatively movable closed bodies when the latter are in an open position. Preferably both bodies are heated and thermosetting polymeric material (SMC or BMC) is placed upon selected areas of one of the mold bodies within and about an area corresponding to an annular mold cavity and outboard of a peripheral edge of a piece of glass. The glass is clamped between mold clamping portions of the mold bodies which are then progressively closed creating compression forces which extrude the thermosetting polymeric material into the annular cavity and into complete encapsulation of the continuous peripheral edge of the piece of glass. The handle can be integrally molded during the molding process.Type: GrantFiled: April 27, 2006Date of Patent: February 6, 2007Assignee: Gemtron CorporationInventors: Craig Bienick, Bob Herrmann, Howard Daley
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Patent number: 7062889Abstract: A peripherally encapsulated product, such as an oven door outer shell, is molded in accordance with this invention by placing a piece of glass between mold clamping portions of relatively movable closed bodies when the latter are in an open position. Preferably both bodies are heated and thermosetting polymeric material (SMC or BMC) is placed upon selected areas of one of the mold bodies within and about an area corresponding to an annular mold cavity and outboard of a peripheral edge of a piece of glass. The glass is clamped between mold clamping portions of the mold bodies which are then progressively closed creating compression forces which extrude the thermosetting polymeric material into the annular cavity and into complete encapsulation of the continuous peripheral edge of the piece of glass. The handle can be integrally molded during the molding process.Type: GrantFiled: March 25, 2003Date of Patent: June 20, 2006Assignee: Gemtron CorporationInventors: Craig Bienick, Bob Herrmann, Howard Daley
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Patent number: 6988338Abstract: A lid includes a frame, a window which is transmissive to radiation and has a peripheral edge sealingly coupled to the frame, and thermal insulating structure which thermally insulates the peripheral edge of the window. In one embodiment, the thermal insulating structure includes a ring which is made of a thermal insulating material, and extends around the window. In a different embodiment, the thermal insulating structure includes an annular gap between the window and frame, the gap extending around the window. The lid may be part of a housing with a sealed chamber therein, where the window facilitates travel of radiation between the chamber and a location external to the housing.Type: GrantFiled: October 10, 2002Date of Patent: January 24, 2006Assignee: Raytheon CompanyInventors: Shea Chen, Cary C. Kyhl, Donald C. Price, Terry V. Baughn
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Publication number: 20040232340Abstract: The invention is concerned with a material processing apparatus, e.g. a dryer such as a fluid bed dryer, for processing material, e.g. pharmaceuticals, in a compartment (12) having a wall (10). The wall has a window for transmitting radiation from an infrared spectrometer (30) into the dryer and for transmitting radiation from the material to the spectrometer. The spectrometer (30) can analyse the radiation transmitted from the material to measure a property of the material within the compartment, e.g. its moisture content. The radiation-transmitting element (28) is present in a moveable body (24), e.g. a sphere, that can be moved to bring the element (28) into a second position (31) in which the element is in contact with a duct (40) through which fluid can be passed to clean the element (28). In addition, a wiper member (34) may be provided that wipes the element (28) as it passes over it as the moveable body (26) is moved into the second position.Type: ApplicationFiled: March 17, 2004Publication date: November 25, 2004Inventor: Ian Beethom Benson
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Patent number: 6644670Abstract: A gasket for sealing between a water closet and the floor or other supporting structure. In cross section it includes a flat seat for the base of the closet, an outer flange for sealing against the outer edge of the base and an inner sealing rib formed for hinge-like deflection by and toward the base as the latter is seated. The gasket is adapted to conform to various perimetrical shapes of bases, and may include an integral gasket and sealing section for annularly and sealingly engaging the drain joint of the water closet and the surface of the floor or other supporting structure.Type: GrantFiled: June 12, 2001Date of Patent: November 11, 2003Assignee: Peb S.A.Inventor: Miguel Esteban Etcheverry
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Publication number: 20030182896Abstract: A peripherally encapsulated product, such as an oven door outer shell, is molded in accordance with this invention by placing a piece of glass between mold clamping portions of relatively movable closed bodies when the latter are in an open position. Preferably both bodies are heated and thermosetting polymeric material (SMC or BMC) is placed upon selected areas of one of the mold bodies within and about an area corresponding to an annular mold cavity and outboard of a peripheral edge of a piece of glass. The glass is clamped between mold clamping portions of the mold bodies which are then progressively closed creating compression forces which extrude the thermosetting polymeric material into the annular cavity and into complete encapsulation of the continuous peripheral edge of the piece of glass. The thermosetting polymeric material is cured, the mold bodies are opened and the product is removed therefrom.Type: ApplicationFiled: March 25, 2003Publication date: October 2, 2003Inventors: Craig Bienick, Bob Herrmann, Howard Daley
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Patent number: 6580559Abstract: What is described here is a method and an element of lighting rooms by selective guidance of daylight, comprising an optically transparent main body through which the light is incident into the respective room, and including plurality of structures on which light is deflected by total reflection into the respective room. The invention is characterized by the provision that the plurality of structures consists of parallel crazes.Type: GrantFiled: July 3, 2001Date of Patent: June 17, 2003Assignee: Fraunhofer Gesellschaft zur Forderung der angewandten Forschung e.V.Inventors: Walter Döll, Laszlo Könczöl, Andreas Gombert
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Publication number: 20020078642Abstract: The present invention relates to an apparatus for preserving a subglass of a driving room of a heavy equipment which is installed in an inner side surface of an entrance door of a driving room for safely preserving a subglass when the subglass which is detachably installed in a lower portion of a front surface of a driving room of a heavy equipment is separated based on a working environment.Type: ApplicationFiled: February 14, 2002Publication date: June 27, 2002Inventor: Chun Jin Yun
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Publication number: 20010039715Abstract: A substrate manufacturing plant comprising a plurality of minimum footprint skinned lines and methods relating to same. Specifically, a plant comprising a plurality of lines each line capable of accomplishing one step of a manufacturing process; the lines arranged in the order of their respective manufacturing steps so as to minimize the time necessary to process a work piece through all the lines; at least one line enclosed in its own environmental enclosure. By utilizing enclosures having the minimum size necessary to enclose and operate a single line or machine and arranging those enclosures in a linear fashion, parts progress linearly through the modules from start to finish without having to pass through a particular module more than once during processing. Because the size required to house a single machine is much smaller than a room designed to house multiple machines and people, control of the environment within the modules is relatively easy and cheap to accomplish.Type: ApplicationFiled: November 2, 1999Publication date: November 15, 2001Applicant: pommerInventors: RICHARD POMMER, RICHARD HAGAN
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Patent number: 6293228Abstract: A group of connecting homes (20), commercial and/or not-for-profit buildings that serve to enclose a self-sustaining wildlife habitat sanctuary (23), specifically targeting the natural environment of endangered species, where appropriate. The homes (20) serve as an impenetrable cage wall (8), much like the walls of a mountain valley, preventing animals from entering or exiting the habitat, with the possible exception of migrating birds and fish. On one side of the homes there is a self-sustaining habitat (23) and on the other side of the homes there is modem civilization. The walls of the homes facing the habitat may have shatterproof glass windows (5) or a caged terrace (6), allowing inhabitants of the building to safely observe the enclosed habitat, and human access to the habitat may be restricted to observation through windows, observation from the caged terrace, or hikes through caged walking paths (14, 15, 16, 17).Type: GrantFiled: March 10, 2000Date of Patent: September 25, 2001Inventor: Joseph L. Woytowitz, Jr.
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Patent number: 6216401Abstract: There is described a profiled sash section for a window sash holding a window pane and intended for being installed in an outer frame of a blast resistant window. The sash section includes a main member enabling inter-engagement between the profiled sash member and the outer frame; a window pane holding member for accommodating and securing an end portion of said window pane in the profiled sash member, and a reinforcing member designed to support the end portion of the window pane and to transmit blast pressure, if incidentally applied to the window pane, to the main member. For at least partially absorbing blast pressure energy applied to the window pane, the sash section is provided with damping means for deforming up to a predetermined limit. Also described is a blast-resistant framework for a casement window, including the window sash assembled from the mentioned profiled sash sections and adapted for rigidly and air-tightly securing the window pane in the holders of the profiled sash members.Type: GrantFiled: March 10, 1999Date of Patent: April 17, 2001Assignee: Arpal Aluminum Ltd.Inventor: Mordechay Emek
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Patent number: 6188015Abstract: An EMI attenuation device including at least two substrates such that the spacing between these substrates is selected to maximize shielding performance at a particular frequency. The device further includes additional substrates arranged at predetermined distances from the first two substrates to optimize shielding performance. A method also is provided for a multi-step, attenuation of impinging EMI, wherein the method also enables see-through and/or hear-through monitoring. Salient features of the method include relatively positioning a plurality of electrically conductive substrates, each of a particular topology, so as to maximize attenuation of the EMI at particular frequencies.Type: GrantFiled: June 2, 1998Date of Patent: February 13, 2001Assignee: The Curran CompanyInventors: William E. Curran, Sr., Michael T. Egan, Joseph C. Weibler