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| Number | Title | Issue Date |
| 7458190 | Extruded connecting profile An extruded connecting profile for two panels having peripheral edges includes a first frame element having a front side and an opposite rear side, the front side being shaped for engaging a peripheral edge of a first panel of the two panels. A second frame element ... | 12/02/2008 |
| 7381007 | Monolithic pour crack control system and method of use A joint assembly for controlling fractures along a fracture axis in a monolithic pour concrete structure is provided. The concrete structure is defined by a first edge form section and a generally opposed second edge form section. The joint assembly is characterized... | 06/03/2008 |
| 7334962 | Monolithic pour crack control system and method of use A joint assembly for controlling fractures along a fracture axis in a monolithic pour concrete structure is provided. The concrete structure is defined by a first edge form section and a generally opposed second edge form section. The joint assembly is characterized... | 02/26/2008 |
| 7284357 | Method of creating barrier to fluid flow under concrete surface coat of concrete floor A barrier to fluid passage is embedded within, instead of atop, porous material to retain the durability of the surface of the porous material. In one embodiment, a thin set mortar is applied to a concrete slab. A pleated metal foil is pressed into the wet mortar an... | 10/23/2007 |
| 6962026 | Expansion joint cover An expansion joint cover (10) comprises a first plate (18) hingedly attached to a first surface (14) of an expansion joint (12), a second plate (20) hingedly attached to the first plate (18), and a housing (26) fixedl... | 11/08/2005 |
| 6948287 | Gap seal on a building structure The invention concerns a permanently functional gap seal on structures, in particular building structures, which ensures a reliable seal against penetrating moisture, this being achieved in that the cover layer has a profile which can be adapted to an installation s... | 09/27/2005 |
| 6948716 | Waterstop having improved water and moisture sealing features An improved waterstop having the important added feature of a hydro expansive compound which expands when subjected to water. By expanding, the hydro expansive compound effectively blocks the passage of water that leaks into the gaps created during the shrinkage of ... | 09/27/2005 |
| 6751919 | Sealing element for expansion joints A sealing element for the recessed seat of an expansion joint in a concrete structure having an elastomeric profile (20) formed by two longitudinal lateral flanges (21) to be fixed to the end edges of the concrete structure (11), and a central p... | 06/22/2004 |
| 6675539 | Roof seismic motion-absorbing gap cover A seismic roof motion-absorbing gap cover assembly includes an elongated y-axis slideway affixed to a building unit B on one side of the gap and extending parallel to the gap and a y-axis slider slidably received on the y-axis slideway. Roof support membe... | 01/13/2004 |
| 6484462 | Seismic expansion joint cover A seismic expansion joint cover includes a bridge panel having one end supported for movement in the y-axis direction and against movement in the x-axis direction relative to a floor A on one side of a motion-absorbing gap and supported at the other end f... | 11/26/2002 |
| 6460214 | Vibration resistive instant responding roadway or bridge expansion joint and construction method of the same A vibration resistant expansion joint is provided. The expansion joint includes a sustaining pedestal (1) which is formed from two L-shaped members (111 and 112). A plurality of shim assemblies (12), each containing a bifurcated tooth-like shim (121), are... | 10/08/2002 |
| 6434904 | Sealing device The invention relates to a sealing device consisting of two contiguous building elements made of concrete, steel, reinforced concrete, cast iron or other materials, and a shaped sealing element made of an elastomer material which is inserted into a recess... | 08/20/2002 |
| 5904439 | Movement joint A field limitation joint has a core (101) of closed cell synthetic elastomer and aluminum L-section side members (102). The core is adhered to the side members by double sided adhesive strip (103) of the type having reinforcing filaments (104) running alo... | 05/18/1999 |
| 5887400 | Expansion control system An expansion joint control system wherein a blockout is formed between structural members such as a floor or wall and a gap allowing for expansion and contraction is defined between the structural members. The blockout defines opposed vertical faces and i... | 03/30/1999 |
| 5875598 | Fire blanket A fire blanket for use in an expansion or seismic joint cover system. The cover includes a first layer made of flame retardant material, a second layer made of thermal resistant material, and a third layer made of an insulating material. A fourth layer ma... | 03/02/1999 |
| 5791111 | Sealing device for a settlement joint A sealing device (1) for a settlement joint (2) between two building members (3 and 4) consists of two anchoring units (5) connecting with the building members (3,4), placed on opposite sides of the settlement joint (2), as well as an elastic bridge unit ... | 08/11/1998 |
| 5644879 | Seismic expansion joint cover assembly A seismic expansion joint cover includes a floor bridge panel having mutually perpendicular elongated U-shaped bearing receiver guideways adjacent its opposite ends slidably supported by linear bearings affixed to the floor portions on opposite sides of t... | 07/08/1997 |
| 5564242 | Expansion joint monitor A pair of members which are expandable and contractible with temperature have a flexible expansion joint therebetween. A first body is attached to one of the members and carries an elongated support having a pair of indicators slidably mounted thereon. Th... | 10/15/1996 |
| 5375386 | Waterstop/mechanical seal A waterstop/mechanical seal for use with an expansion board providing a watertight seal between adjacent concrete sections. The waterstop/mechanical seal comprises a continuous diaphragm element for covering one end area of the expansion board when positi... | 12/27/1994 |
| 5365713 | Elastomeric seismic seal system An elastomeric joint seal for architectural structures is provided with a multi-part cover and employs special anchoring hardware at least partially, and preferably entirely, mounted outside of the joint. The preferred mounting hardware comprises channels... | 11/22/1994 |
| 4979846 | Contraction joint for concrete linings A contraction joint for use in forming a layer of concrete is disclosed which comprises a base, a central projection extending from the base having an upper apex section of uniform thickness and a lower triangular section having a cut-out portion to assis... | 12/25/1990 |
| 4963056 | Expansion joint and method of manufacture A bridge expansion joint is provided comprising an pair of blocks interconnected by a flexible sealing profile. Each block is formed by at least three vertically stacked layers made from plastic concrete compound. The two lower layers of plastic concrete ... | 10/16/1990 |
| 4740404 | Waterstop The waterstop used to prevent passage or leakage of water through a construction joint of concrete is shaped of a plastic or rubber in the form of a continuous-length belt-like form and provided with a water-swellable rubbery layer on at least a portion, ... | 04/26/1988 |
| 4622784 | Pressurized waterstops A waterstop for concrete structures, of the type consisting of an extruded strip of elastomeric material having a general flat medial portion extending between longitudinally ribbed side wing anchor portions is internally pressurized so as to compensate f... | 11/18/1986 |
| 4388016 | Expansion joint and seal for use in concrete structures This invention relates to a novel, and improved expansion joint and seal for use in sealing concrete expansion joints. In general the device is constituted of an elongate flexible seal member inclusive of an expandable loop portion from the non-closed sid... | 06/14/1983 |
| 4288173 | Expansion and contraction joint assembly An expansion and contraction joint assembly for use with installations of tile, slate or marble floors or the like is disclosed. The joint assembly is comprised generally of a base or lower component, a core receiving or upper component, and a cap compone... | 09/08/1981 |
| 4285180 | Waterstops The invention relates to a waterstop for providing a water-tight seal between layers of concrete. Flexible waterstops are known and are usually attached to a convenient structure such as steel reinforcing bars by individual loops of wire which pass throug... | 08/25/1981 |
| 4191489 | Method for improving load transfers between concrete slabs in zones at which joints are provided, and means for performing same In order to improve load tranfers between concrete slabs in zones at which joints are provided between said slabs, an elongated connection member, formed in one piece is fitted in the joint over at least part of the height of the slabs, which connection m... | 03/04/1980 |
| 4075800 | Foundation aquaduct and expansion joint Water leakage and seepage through foundation walls into basements, cellars and the like, is collected in a trough-like duct positioned on the inner face of the foundation near the bottom thereof and drained into a sump. In one form of the invention, the t... | 02/28/1978 |
| 4056909 | Surface waterstops A surface waterstop is in the form of a strip of rubber or plastics material. At least one keying formation, preferably a T-shaped formation, is provided on each side of a center line of the strip. A longitudinally-extending central section may be provide... | 11/08/1977 |
| 3967911 | Sealing member The invention relates to a two-part insertion member for use in the production of contraction or warping joints in continuously laid concrete slabs. The insertion member comprises a rigid lower part (to act as crack-inducing fillet) and a flexible upper p... | 07/06/1976 |
| 3956557 | Waterstops Novel external waterstops for use in sealing concrete joints which comprise a deformable section which forms a grout-tight seal when stop-end shuttering is positioned against the waterstop.... | 05/11/1976 |
| 3951562 | Expansion joint An elongated expansion joint of the kind used between adjacent slabs in a road or building construction comprises, a pair of elongated anchor elements or rigid polymeric material adapted to be secured to the respective slab edges, and a laterally compress... | 04/20/1976 |
