Abstract: Systems and methods are disclosed for an enclosure providing a sealed environment. The enclosure employs movable paneling that seals an area for a laser welding cell, while allowing access for an operator to load a workpiece in and unload the workpiece from a welding cell. Barriers are arranged on the enclosure, such that in a closed configuration activation of a pneumatic tube forces the barriers to extend toward a rotated paneling, such that the edges of the enclosure contact or overlap with the edges of the paneling to result in a light-tight seal. Presence of the fluid increases the pressure in the tube such that an external boundary of the tube expands, forcing the barrier toward the edges of the paneling, thereby closing the gap and providing a light-tight enclosure.

Abstract: A storage tank for storing liquids on the seafloor in a subsea environment is disclosed. The storage tank includes a protective enclosure having a removable cover. The storage tank has at least one compartment therein within which is a container including an outer flexible bladder and an inner flexible bladder within the outer flexible bladder. The inner flexible bladder is capable of containing an inner liquid. The space between the inner flexible bladder and the outer flexible bladder is capable of containing an outer liquid. The inner flexible bladder has a liquid inlet capable of connecting to a source of the inner liquid. The inner flexible bladder has a liquid outlet capable of connecting to a line for conveying the inner liquid to a desired location. The storage tank further includes a recirculation loop for circulating the outer liquid in the space between the inner flexible bladder and the outer flexible bladder.

Abstract: A system and method for acquiring and sharing in real time video and/or still images with a tooth or tooth root during a dental procedure using an endoscope.

Abstract: Hitch-mounted carriers, including portable bicycle racks, are set forth herein. One carrier includes a height member, an insert arm coupled to height member for movement between storage and use configurations, and at least one support arm coupled to height member for movement between storage and use configurations. Means for coupling insert arm to a tow hitch, for locking insert arm at storage and use configurations, and for locking support arm(s) at storage and use configurations are included. Insert arm is configured for insertion in tow hitch and has a wedge aperture. An attaching element is coupled to support arm(s) for removably attaching a device to support arm(s). A wedge is adjacent wedge aperture, and means are included for moving wedge between a first position generally flush with or inside insert arm and a second position extending outside insert arm to dampen wobble between insert arm and tow hitch.

Abstract: Hitch-mounted carriers, including portable bicycle racks, are set forth herein. One carrier includes a height member, an insert arm coupled to height member for movement between storage and use configurations, and at least one support arm coupled to height member for movement between storage and use configurations. Means for coupling insert arm to a tow hitch, for locking insert arm at storage and use configurations, and for locking support arm(s) at storage and use configurations are included. Insert arm is configured for insertion in tow hitch and has a wedge aperture. An attaching element is coupled to support arm(s) for removably attaching a device to support arm(s). A wedge is adjacent wedge aperture, and means are included for moving wedge between a first position generally flush with or inside insert arm and a second position extending outside insert arm to dampen wobble between insert arm and tow hitch.

Abstract: An essentially anhydrous agitated mixture of (i) finely-divided essentially anhydrous alkali metal fluoride (e.g., KF), (ii) haloaromatic compound having at least one halogen atom of atomic number greater than 9 on an aromatic ring (e.g., C6Cl6), and (iii) an organo guanidinium salt catalyst (e.g., [(Et2N)2CNEt2]Br), is heated at a temperature at which fluorine replaces one or more of the ring halogen atoms of the haloaromatic compound. A new synthetic route to hexahydrocarbyl guanidinium salts is also described.

Abstract: The present invention discloses an open gas fire having a gas burner, the combustion products of which are fed to a flue system via a heat exchanger for use in providing heated convection air. In the invention an adjustable baffle is arranged to vary the flow-through cross-section of the path of the combustion products to the flue system, thus matching the flue cross-section to the combustion products quantity, thereby reducing the quantity of cold air drawn into the front of the fire and improving thermal efficiency of the gas fire apparatus.