Bizarre Patents
Crispy Chip Sandwich and Process of Producing a Sandwich Product
A food product comprising a multilayer cookie or snack having outer layers formed from a crispy type edible food product such as a potato chip or corn chip, etc. with an intermediate marshmallow layer being in contact with the inner surface of each crispy chip and one or more filler substances.
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| Number | Title | Issue Date |
| 7668284 | Tube-in-tube threaded dashpot end plug A nuclear fuel assembly having a tube-in-tube control rod guide tube design that incorporates an end plug that extends axially upward to an elevation above the lower most grid where it is sealed at its upper end to the lower end of the control rod guide tube. The gu... | 02/23/2010 |
| 7515674 | Tube-in-tube threaded dashpot end plug A nuclear fuel assembly having a tube-in-tube control rod guide tube design that incorporates an end plug that extends axially upward to an elevation above the lower most grid where it is sealed at its tipper end to the lower end of the control rod guide tube. The g... | 04/07/2009 |
| 7257185 | Fuel assembly and thimble screw of the same A fuel assembly includes a bottom nozzle set on a lower core plate of a nuclear reactor, a top nozzle with a hold down spring to urge the bottom nozzle against the lower core plate, guide thimbles which guide control rods, having passed through the top nozzle, towar... | 08/14/2007 |
| 7149273 | Method of fabricating a nuclear reactor fuel assembly grid A method of fabricating a fuel assembly grid that includes providing a plurality of interconnected straps that form a lattice pattern, wherein the lattice pattern of the straps defines a plurality of cells, providing a sleeve that has a cylindrical portion and a fla... | 12/12/2006 |
| 6744842 | Fuel assembly for a pressurized-water reactor A fuel assembly for a pressurized-water reactor includes fuel rods held in cells of spacers, control rod guide tubes, and a headpiece and a foot piece, by which it is fixed to upper and lower core grids, respectively. A spacer having a first part, which lies on a ra... | 06/01/2004 |
| 6674831 | Fuel assembly and thimble screw of the same A fuel assembly includes a bottom nozzle set on a lower core plate of a nuclear reactor, a top nozzle with a hold down spring to urge the bottom nozzle against the lower core plate, guide thimbles which guide control rods, having passed through the top no... | 01/06/2004 |
| 6650723 | Double strip mixing grid for nuclear reactor fuel assemblies A double strip mixing grid for nuclear reactor fuel assemblies is disclosed. This grid is fabricated by intersecting at right angles a plurality of double strips, each fabricated by welding two thin sheets together into a single structure with coolant cha... | 11/18/2003 |
| 6600800 | Fuel element for a boiling water nuclear reactor In a boiling water fuel assembly, some of the fuel rods are shortened. It is necessary to establish a sufficiently high maximum power for transition to boiling. To optimize this power, spacers are at a constant distance at a bottom and are at a shorter di... | 07/29/2003 |
| 6526116 | Nuclear fuel assembly with hydraulically balanced mixing vanes A support grid for laterally maintaining the relative position of elongated fuel elements within a fuel assembly for use within a core of a nuclear reactor. The grid is formed in the shape of a lattice with the intersecting lattice members defining a plur... | 02/25/2003 |
| 6522710 | Fastened spacer for grid of a nuclear reactor with associated method A spacer for use with a protective grid of a fuel assembly of a nuclear reactor is a generally washer-shaped plate of material having an engagement surface and a retention surface opposite one another. The protective grid is formed of a plurality of strap... | 02/18/2003 |
| 6442227 | Sleeve assembly for nuclear fuel racks A sleeve assembly for refurbishing a fuel rack having cells in which fresh or spent nuclear fuel assemblies may be stored, in which the cells have elongate rack walls extending from a rack base plate and the rack base plate has flow holes communicating wi... | 08/27/2002 |
| 6411668 | Guide tube of a nuclear reactor fuel assembly A tubular blank (22) is rolled on a mandrel (14) in a pilgrim rolling mill. In a first rolling stage, a first part of the blank (22) is rolled on a first part (18, 19) of the mandrel (14), with a reduction of the outside diameter of the blank (22) to the ... | 06/25/2002 |
| 6167104 | Pressurized water reactor fuel assembly with a guide tube and method for producing the guide tube A pressurized water reactor fuel assembly with a guide tube and a method for producing a guide tube for control elements are provided. Such guide tubes in pressurized water nuclear reactors which are composed of zirconium alloys (zircaloy-2 and zircaloy-4... | 12/26/2000 |
| 5852644 | Guide tube for a nuclear fuel assembly A control rod guide tube for a nuclear reactor fuel assembly consists of several mutually portions of zirconium-based alloy. They define a passage that is narrow in a bottom portion of the tube. The guide includes a top length extending over at least 70% ... | 12/22/1998 |
| 5654993 | Fuel element for pressurized--water reactor with guide tubes finally heat-treated in two steps The invention relates to a fuel element for a pressurized-water reactor comprising a number of fuel rods arranged in a square lattice and wherein certain positions in the lattice contain guide tubes for receiving control rods, wherein the fuel element can... | 08/05/1997 |
| 5640434 | Miniaturized nuclear reactor utilizing improved pressure tube structural members The present invention relates to a miniaturized nuclear utilizing improved pressure tube structural members. More particularly, the present invention relates to a new miniaturized nuclear reactor utilizing novel structural members that are used to support... | 06/17/1997 |
| 5629964 | Neutron absorbing apparatus A neutron absorbing apparatus which includes two adjacent neutron absorbing plates and a mounting assembly with latching means configured to be easily secured to fuel assemblies while the fuel assemblies remain under water in a fuel storage rack, thereby ... | 05/13/1997 |
| 5617457 | Pressurized-water reactor with individually adapted pressure distribution in the coolant A pressure vessel of a pressurized-water reactor has an upper part in which coolant is collected in a plenum. The coolant enters the plenum through a grid plate on which tops of the fuel assemblies are supported and the coolant is removed from the plenum ... | 04/01/1997 |
| 5600694 | Nuclear fuel upper end fitting quick disconnect joint A fuel assembly for use in a pressurized water nuclear reactor includes an assembly having guide tubes joined at their upper ends to posts having heads against which is biased a holddown plate spaced from a flow plate. The holddown plate is slidably mount... | 02/04/1997 |
| 5533078 | Nuclear fuel assembly for a pressurized water reactor A nuclear fuel assembly for a pressurized water reactor having lower and upper tie plates, guide tubes, spacer grids, an instrumentation tube, and extended fuel rods which extend to the lower tie plate and which are spaced radially and supported along the... | 07/02/1996 |
| 5479463 | Neutron absorbing apparatus A neutron absorbing apparatus which includes two adjacent neutron absorbing plates and a mounting assembly with latching means configured to be easily secured to fuel assemblies while the fuel assemblies remain under water in a fuel storage rack, thereby ... | 12/26/1995 |
| 5465282 | Fuel assembly for a nuclear reactor A fuel assembly for a nuclear reactor, comprising a number of parallel fuel rods which are retained by means of spacer grids, arranged along the fuel rods, as well as guide thimbles wherein the guide thimbles, are fixed to the spacer grids. The guide thim... | 11/07/1995 |
| 5375155 | Fuel assembly with rational screw fastenings of the upper tie plate to tubes or rods A pressurized water reactor fuel assembly includes a can with a flange engaging an upper surface of an upper tie plate through a bore and carrying a collar projecting beyond a lower surface of the upper tie plate and having an external thread. A bush at a... | 12/20/1994 |
| 5363423 | Quick release top nozzle assembly Disclosed is a quick release removable top nozzle assembly for use with a nuclear fuel element assembly. The top nozzle assembly disclosed herein is comprised of a top plate member, an enclosure frame and an adaptor plate having a plurality of spaced open... | 11/08/1994 |
| 5343508 | Spacer grid retainer A retainer is for retaining a grid on a fuel assembly. The retainer has at least one aperture at one end thereof for receiving a shoulder on a guide control tube and legs on the other end thereof for welding to the grid. The one end of the retainer is cap... | 08/30/1994 |
| 5301211 | Fuel assembly sputtering process A method for sputter coating the inside surface (30) of a fuel assembly tubular component (10) such as a control rod guide tube (200) with wear or corrosion resistant material. The steps include supporting the component tube in a fixture (12,14) and suppo... | 04/05/1994 |
| 5282231 | Lower tie plate cast frame A lower tie plate for a nuclear fuel assembly is provided via an integral casting including a frame containing a first plurality of guide tube bosses in a central portion thereof, a second plurality of guide tube bosses concentric with the first plurality... | 01/25/1994 |
| 5268948 | Locking assembly for nuclear fuel bundles The present invention provides a locking assembly for locking in place an upper support plate above a nuclear fuel bundle. The locking assembly includes several different components, including one rotatable member that is movable between a first position ... | 12/07/1993 |
| 5232655 | Nuclear fuel assembly skeleton A nuclear fuel assembly comprises a skeleton that constitutes the structure of the assembly and that holds a bundle of fuel elements at nodes in a regular array. The skeleton comprises two end pieces interconnected by guide tubes. The connection between e... | 08/03/1993 |
| 5200143 | Fuel assembly for nuclear reactor The invention relates to a fuel assembly (1) for a nuclear reactor and comprises a number of parallel fuel rods (2) which are held together by means of spacers (4,5) arranged along the fuel rods as well as guide tubes (3) arranged between the fuel rods (2... | 04/06/1993 |
| 5188798 | Grid for nuclear fuel assembly In a grid for the nuclear fuel assembly, a grid member with springs and a grid member with dimples of the grid are arranged face to face such that grid cells of the grid member with springs and the grid member with dimples communicate with each other. Fue... | 02/23/1993 |
| 5180550 | Fuel assembly for nuclear reactor A fuel assembly for a nuclear reactor is provided with a number of parallel fuel rods, which are retained by means of spacers (2), and guide tubes (3) between the fuel rods. The guide tubes (3) are also attached to the spacers (2) as well as to a top nozz... | 01/19/1993 |
| 5147600 | Grid for nuclear fuel assembly There is disclosed a grid in a nuclear fuel assembly for supporting fuel rods and thimbles, which includes a plurality of elongated straps intersecting perpendicularly with each other to define a plurality of first grid cells for supporting the fuel rods ... | 09/15/1992 |
| 5147599 | Fuel assembly of a nuclear reactor A fuel assembly for a nuclear reactor with a number of parallel fuel rods which are retained by means of spacer lattices and guide tubes (3), which guide tubes (3) are also fixed to the spacer lattices, a top tie plate (4) and a bottom tie plate between w... | 09/15/1992 |
| 5098647 | Guide tube insert assembly for use in a nuclear reactor A guide tube insert assembly for receiving and guiding a control rod assembly through mutually aligned apertures formed in an upper support plate and an upper core plate of a nuclear reactor is disclosed. The guide tube insert assembly includes a pluralit... | 03/24/1992 |
| 5068083 | Dashpot construction for a nuclear reactor rod guide thimble A dashpot in a control rod guide thimble for a nuclear fuel assembly includes a lower tubular portion of an elongated main tube of the guide thimble, an auxiliary hollow tube inserted in the lower portion of the main tube, and an end plug attached to a lo... | 11/26/1991 |
| 5015435 | Device for demountable fastening of a guide tube into an end fitting of a fuel assembly of a nuclear reactor The sleeve (20) for locking the guide tube has an outer surface comprising successivley a cylindrical and a frustoconical part in the axial direction, without any radially protruding part. The upper cylindrical part (25) of the sleeve constitutes a fasten... | 05/14/1991 |
| 5002722 | Nuclear fuel assembly with coolant flow fractionation A fuel assembly for a light water cooled and moderated nuclear reactor comprises a bundle of fuel rods and a structure for holding the bundle in position comprising upper and lower end pieces or nozzles joined together by guide tubes which support grids f... | 03/26/1991 |
| 4999154 | Demountable fuel assembly for a nuclear reactor cooled by light water The guide tube (4) is fixed inside the adapter plate (10) of the demountable end block by a locking sleeve (20). The locking sleeve (20) comprises a part (24) ensuring expansion of the tube (4) and a ferrule (25) for fixing in the adapter plate (10). The ... | 03/12/1991 |
| 4776198 | Method and apparatus for securing structural tubes in nuclear reactor fuel assemblies An insert for providing a reduced inside diameter for a structural tube, specifically an instrumentation guide tube, of a nuclear fuel assembly. The insert has forming lobes which coact with the structural tube to plastically deform the structural tube an... | 10/11/1988 |
