摘要:
A rewinder for winding a web to produce a rolled product. The rewinder includes a web transfer device that is used for conveying the web. The web transfer device communicates with a core in order to wind the web via surface winding. At least one pair of rotationally driven end chucks are located proximate to the web transfer device. The end chucks engage the core and the web is wound onto the core via center winding by the rotating end chucks. Also, the web is wound onto the core to form a rolled product by a combination of the center winding and the surface winding.
摘要:
A method for directly forming and finishing a web product is provided. The method includes forming a web on a forming apparatus, continuously transferring the formed web to a conveyor, performing a converting step on the web as the web is continuously supported and advanced on the conveyor, and finishing the web into a product substantially ready for packaging. A system for performing the method is also provided.
摘要:
An improved substrate for battery sustems is disclosed. The substrate is a conductive ceramic formed from a sub-stiochemetric titanium dioxide material. The material preferrably is TiOx, where x is in the region of 1.55 to 1.95. Methods of manufacture are disclosed as well as configurations for battery elements.
摘要:
A dart having a detachable flight assembly, comprises an elongate metal body having a needle extending axially forwards from the body and a spigot extending axially rearwards from the body, and a flight assembly including at least three flight blades arranged around and attached to a stem, the stem terminating in an adaptor made from a thermoplastics material and including a socket which is adapted to be a push fit on to the spigot, so that the flight assembly is held in frictional inter-engagement with the body. The spigot and socket may each include a corresponding taper. The adaption of the flight assembly may be made from a resilient thermoplastics material and in this case, a co-operating locking projection and recess are formed on the surfaces of the spigot and socket, so that when the socket of the flight assembly is pushed on to the spigot on the body, the locking projection snaps into engagement with the corresponding recess to interlock the flight assembly and the body.
摘要:
Alkyl polyhydro-2-phenanthrylideneacetates are prepared by interacting the corresponding 2-oxopolyhydrophenanthrenes with a tri-lower-alkyl .alpha.-phosphono-lower-alkanoate. Said alkyl polyhydro-2-phenanthrylideneacetates are hydrolyzed to the free acid, and then reesterified via the acid chloride with a tertiaryamino-lower-alkanol to give basic esters having cardiotonic activity.
摘要:
An offset print apparatus for applying a substance to a web is provided. The offset print apparatus has a transfer roll that is capable of being rotated. An ink jet printer is present and has a print head that is located proximate to the transfer roll. The print head has a plurality of orifices from which the substance is dispensed onto the transfer roll. The distance between the surface of the print head and the transfer roll is defined as a throw distance. A web is present and contacts the transfer roll. The substance is dispensed onto the transfer roll and is transferred to the web through contact of the transfer roll and the web. The web has an amount of dust laden boundary air that is formed proximate to the web when the web is moving. The print head of the ink jet printer is not in contact with the boundary air.
摘要:
A pressurized box is positioned opposite a vacuum box. The pressurized box has a leading cross machine direction baffle with a ceramic shoe which engages a forming fabric, and a trailing cross machine direction baffle of similar construction. Two end deckles complete the pressurized box. The leading cross machine direction baffle presses against a resilient seal which causes a web contained between upper and lower forming fabrics to wrap about the baffle shoe a few degrees forming an effective end seal which does not allow air to bypass the baffle. The trailing cross machine direction baffle is positioned over a vacuum box which prevents air from leaking around the trailing baffle. A vacuum box draws air through the forming fabrics and the web, from the pressurized box increasing the total pressure gradient across the web to 20 to 30 psi or more. The pressure box and opposed vacuum box form an air press. The pressure box is positioned and held against the forming fabrics by opposing air tubes. An alternative embodiment utilizes a suction roll positioned beneath the pressure box and having a suction gland positioned beneath the portion of the roll which backs the pressure box.
摘要:
A method and apparatus for cleaning the forming fabric used on a papermaking machine includes a chamber surrounding a span of the forming fabric on either side thereof. A source of sub-atmospheric air pressure is connected to the chamber for removing water mist surrounding the fabric. Mounted within the chamber is a pair of high pressure-low volume water impingement showers in substantially opposed array for directing jets of relatively high pressure water against the forming fabric as the forming fabric passes through the chamber via slots on either end thereof. In a preferred embodiment, downstream of the pair of high pressure needle showers is a second shower apparatus comprising a relatively low pressure-high volume flooding water shower to direct a water spray against the inner side of the looped forming fabric to flood the interstices of the forming fabric with water to wash out pulp fibers therefrom. Downstream of the relatively lower pressure shower, and on the same side of the wire, is an air knife comprising a nozzle for directing a stream of compressed air against the forming fabric to blow water and pulp fibers entrained by the water from the interstices of the forming fabric and through the outer surface thereof and into a catch pan located in the chamber on the opposed side of the forming fabric. The high pressure-low volume opposed impingement showers thus operate in conjunction with the relatively low pressure-high volume shower and air knife within the enclosure to clean both sides of the forming fabric while simultaneously providing for removal of the water mist produced by the process (via the sub-atmospheric air pressure) to prevent fibers dislodged from the forming fabric from being deposited on the papermaking machinery, including the forming fabric itself, to thereby clean the forming fabric.
摘要:
An integrated electrochemical soil remediation method and apparatus for treating contaminated soils, especially those contaminated with mixtures of nonvolatile organic contaminants, ionic contaminants and volatile organic compounds are disclosed. Remediation may be achieved by electrochemically enhancing biodigestion of organic contaminants (using microorganisms present in or added to soil), electrochemically removing ionic contaminants and electrochemically removing volatilized organic contaminants by applying a vacuum over the soil being treated, as dictated by the nature of contamination. Physicochemical conditions of the electrolyte and the soil are managed by monitoring and adjusting the electrolyte. Nutritional needs of microorganisms for biodigestion are adjusted as necessary through the electrolyte.
摘要:
An electrical conductor formed substantially of a titanium sub-oxide having a formula TiO.sub.x where x is less than two. The conductor may take the form of a resistance heater which is compatible with ceramic insulators, and is useful because of its ability to withstand corrosive media and its very low coefficient of thermal expansion.