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| Number | Title | Issue Date |
| 7597367 | Closure ring assembly for steel drums Interlocking end lugs are provided in an improved closure split ring assembly for steel drums. The interlocking end lugs facilitate the tangential alignment of the ring to seal the lid on the drum and lock it in place. ... | 10/06/2009 |
| 7500701 | Sealing ring with improved fastener One aspect of the present invention includes a sealing ring having a split-ring annular band which includes a first and second end. A first tab is disposed at the first end, with the first tab extending away from the annular band. The first tab also includes a first... | 03/10/2009 |
| 7331104 | Device for the assembly of standard elements intended for the creation of precision mechanical structures A device for the assembly of at least two standard elements of a precision mechanical structure by a linking element, where the first standard element includes a reference surface, while the second standard element includes a bearing surface which has to be position... | 02/19/2008 |
| 7217059 | Fixing and release systems A connecting means adapted to fix or release a first element (4) and a second element (5) includes a locking pin (1) which is moveable to remote activation means between a locked position. In which leg (8) expends wall (9) into rec... | 05/15/2007 |
| 7195131 | Drum closure A drum closure which establishes a connection between the body of a drum and lid, wherein the connection will prevent separation of the lid from the body under severe loading conditions such as dropping the drum from a height of thirty (30) feet. ... | 03/27/2007 |
| 7104722 | Manhole cover A manhole cover includes a cylindrical manhole including manhole lugs, wherein the manhole lugs extend around the upper outer periphery of the manhole; the cover includes cover lugs, the cover lugs extend around the outer periphery of the cover. The cover co-operati... | 09/12/2006 |
| 7086672 | Reactor clamp A modular reactor system comprises a backplane connected to a computer and a thermal control unit. The backplane includes a plurality of seats for releasably holding a plurality of modules. Each module holds a reactor vessel that may be used to conduct experiments. ... | 08/08/2006 |
| 6443507 | Clamping straps with safety mechanism for container covers A method and container for transporting and storing chemical compounds susceptible to exothermic decomposition. The method including placing the chemical compounds in a container where the opening and the rim of the container are sealed by means of a cove... | 09/03/2002 |
| 6435576 | Closure ring assembly for an open-head drum An annular closure ring and bolt assembly for securing a lid or cover in sealed relation with an open-head drum is provided in which an annular split closure ring is closed by tightening a bolt between a pair of laterally spaced lugs attached to opposite ... | 08/20/2002 |
| 6406074 | Destructible locking device A locking device is disclosed for interlocking two members having aligned openings extending therethrough. The device includes a hollow cap and a pin with an enlarged head at one end and a nose at the opposite end. The pin is insertable through the aligne... | 06/18/2002 |
| 6386790 | One-piece stainless steel rim for mating a meter cover and base and method of making same A one-piece stainless steel rim for mating a meter cover and base and method of making the same is disclosed. The stainless steel mating rim has integral therewith the various attachment tabs, locking lugs and locking tabs for attaching the rim to the cov... | 05/14/2002 |
| 5971190 | Split ring closure for cylindrical drum Closure means for fastening a cover over the open end of a cylindrical drum, utilizing an annular split ring contoured to mate the cover to the drum. Included are a pair of depending lugs, extending from the ring on opposite sides of the split. Each of th... | 10/26/1999 |
| 5851038 | Sealing ring A sealing ring for an electric watthour meter apparatus has first and second housings mounted on opposed ends of an annular band. A fastener extends through a threaded aperture in an end wall of one housing into threaded engagement with an aperture in an ... | 12/22/1998 |
| 5829624 | Protective shoe for open top metal containers A container securing system is provided for a round container having an upper rounded rim and an open end and a cover receivable on the open end, the cover having a rounded lip. A locking ring formed of a rounded strip is provided engaging the lip and rim... | 11/03/1998 |
| 5584410 | Drum closure assembly An annular closure ring for securing a cover in sealed relation over the open upper end of a cylindrical storage drum or similar container is disclosed in which a split ring is closed about the periphery of the drum and its cover by tightening a headed ti... | 12/17/1996 |
| 5223134 | Device for the rapid fastening and unfastening of tubular filtering fabrics A device for the rapid fastening and unfastening of a tubular filtering fabric, comprises: a) a bearing structure (1, 1', 1") able to support filtering fabric (7) in the form of the desired tubular section; b) a fastening sleeve (2, 2') placed at each end of t... | 06/29/1993 |
| 5215206 | Drum closure assembly A closure ring assembly for securing a cover in sealed relation over the open top of a storage drum container in which a split ring is closed by tightening a headed tie bolt between a pair of laterally spaced lugs fixed to the ring on opposite of the spli... | 06/01/1993 |
| 5193864 | Split lock ring for bulk material container A split lock ring for securing a top plate or the like to a bulk material container. The split lock ring includes a segmented body with pairs of confronting ends. A chain hinge is secured to the confronting ends of one pair of confronting ends. A lug and ... | 03/16/1993 |
| 5181166 | Securing mechanism for an electricity metering device A securing mechanism for an electricity metering device (30) including a housing (34) having a cavity, a cover (36) positioned on the housing (34) and enclosing said cavity, the cover (36) including hinge pins (120,122) for attaching the cover (36) to the... | 01/19/1993 |
| 5018772 | Latching device for securing a closure to a cask for transporting radioactive waste A closing device for removably securing and sealing engaging a closure around an opening in a transportation cask for radioactive materials is disclosed herein. The closing device comprises a plurality of shear key assemblies uniformly spaced around the o... | 05/28/1991 |
| 5000498 | Interior deadbolt knob fastening apparatus An apparatus for preventing the unlocking of a deadbolt lock with a key in which clamping arms are used to grip a deadbolt knob or key on the opposite side of the door and are held in place by a retaining pin which is inserted into a cavity in the door. T... | 03/19/1991 |
| 4982864 | Seal ring for open head drum A closure ring for use with an open head drum utilizes a reduced diameter portion proximal each end thereof to increase the force required to draw the end of the ring together about the drum head and an associated lid and gasket, thereby increasing the co... | 01/08/1991 |
| 4957317 | Drum lock device A drum lock device is disclosed for an open-head drum which has a flanged lip at the open end with a mating lid therefor. The drum lock device has a lug-type ring closure, a lockable bolt, and a shuttle wrench captively held on the bolt by a cap. The ring... | 09/18/1990 |
| 4934747 | Electric meter socket sealing ring A sealing ring for an electric meter socket has first and second spaced ends. A tongue with a plurality of linearly spaced apertures extends linearly outward from the first end of the sealing ring. A housing is mounted on the second end of the sealing rin... | 06/19/1990 |
| 4883637 | Closure arrangement for spent nuclear fuel shipping containers A closure arrangement for spent nuclear fuel shipping container has a lid member with a peripheral groove in its outer edge, the lid member being adapted to rests upon a shoulder within a bore at the mouth of the cask. The lid is forced into sealing engag... | 11/28/1989 |
| 4743054 | Device for the installation and retention of a shutter plate for an opening in an enclosure This device for the installation and retention of a shutter plate (11) for an opening (7) comprises a carrier ring (21) provided with an inner channel (22) with an inclined face (23), positioned within which are clamping wedges (25) which bear upon the pe... | 05/10/1988 |
| 4674304 | Front entry electric meter locking assembly A locking cover assembly for the ends of an electric meter retaining ring, to receive a lock bolt from the front side thereof to retain the cover in place and thereby prevent access to the clamping bolt that retains the ring in place. The cover comprises ... | 06/23/1987 |
| 4524729 | Primary manway closure redundant restraint In combination, a vessel (10), opening means (16) in the vessel, a cover (18), flange means (20) surrounding the opening means, a primary closing means (22, 24) for the cover including a plurality of studs (22) securing the cover onto the vessel, the stud... | 06/25/1985 |
| 4513788 | Flange system for pipeline plugging A flange system for locking a plug in a pipeline flange. The flange system includes a flange with an axial passage for receiving a pipeline plug with a first annular groove. At least one radial passage for receiving a locking means and at least one lockin... | 04/30/1985 |
| 4461597 | Valve box cover A cover capable of being both locked in position within a valve box or manhole cover and lifted upwards to assist in its removal, having a rotating bolt therein which maneuvers a lever base upwards or downwards which lever base causes the rotation of a lo... | 07/24/1984 |
| 4329860 | Front entry electric meter locking assembly A locking cover assembly for the ends of an electric meter retaining ring. The assembly comprises a U-shaped bracket for positioning between the downwardly turned ends of the retaining ring and over the bolt that retains the ends of the ring together. A h... | 05/18/1982 |
| 4315577 | Closure assembly A closure assembly comprises a closure body adapted to be disposed in an opening in a structure. A closure body has a spirally disposed groove provided therein. A retaining member is made to be flexible for movement within the groove. Apparatus is operabl... | 02/16/1982 |
| 4247015 | Closure means for a large diameter vessel The vessel cover has an outer section which engages over a coaxial inner section of the bottom part of the vessel. The outer section has radial bores each of which contains a blocking member in the form of a ball while the inner section has recessed abutm... | 01/27/1981 |
| 4225165 | Tamper-resistant fastener for utility meters A tamper-resistant fastener for use on utility meter collars. The fastener is used with standard utility meter equipment and prevents significant rotation of a collar takeup ring screw in either the threading or unthreading direction. Once one form of the... | 09/30/1980 |
| 4195869 | Tubular closure device A closure device for closing a tubular opening and releasably securing articles therein is disclosed. The device includes axially movable latching and actuator members which, respectively, engage the tubular opening and actuate or deactivate the latching ... | 04/01/1980 |
| 4195868 | Tubular closure mechanism A closure mechanism for closing a tubular opening and releasably securing articles therein is disclosed. The closure mechanism includes an axially movable actuator and a latching member which engages the tubular opening. Means are provided for axially mov... | 04/01/1980 |
| 4173364 | Clamp assembly for high pressure diaphragm test cells A high pressure diaphragm test cell includes upper and lower parts. A clamp assembly is provided which enables the cell parts to be clamped together or released by a single person. The clamp assembly includes a carrier frame connected to the upper cell pa... | 11/06/1979 |
| 4140240 | Closure for pipes or pressure vessels A closure for a pipe or pressure vessel comprises a door adapted to fit into an aperture in a pipe or pressure vessel and an arcuate locking member disposed around the periphery of the door for locking the door to the pipe or pressure vessel, the ends of ... | 02/20/1979 |
| 4134609 | Drum container closing ring assembly The disclosure is of a closing ring assembly for sealing the cover of a drum type of container. The assembly comprises a split ring, the ends of which are connected by a bolt secured through a pair of bolt clips mounted on the ends of the split ring. The ... | 01/16/1979 |
| 4076291 | Tamper-resistant electric meter sealing ring A sealing ring assembly for an electric meter including a pair of radially projecting spaced ears having aligned rivet holes through which an elongated rivet is received. The rivet, of substantially hard material, such as case-hardened steel, is held in p... | 02/28/1978 |
