Abstract: A fluidized bed apparatus is provided which comprises (a) a fluidized bed container having gaseous fluidization agent intake means and discharge means; (b) gaseous fluidization agent distributor means comprising a distributor-separator plate arranged intermediate said gaseous agent intake and discharge means that is adapted to receive a mass of solid particles and substantially separate said particles from said gaseous agent intake means and has a plurality of parts therethrough spaced over substantially the entire surface thereof which have means for controlling the velocity and dispersion of a gaseous fluidization agent passing between said intake means and said discharge means; and (c) vibrating means for vibrating said container. Preferably, said container includes filter means intermediate said distributor-separator plate and said gaseous agent discharge means.

Abstract: The invention relates to an improved process for drying and preserving wood products. The improved process comprises the steps of first drying the wood products by submerging them in a naphthalene poor, coal tar based heat transfer medium under conditions of elevated temperature and reduced pressure. The dried wood products then are impregnated with a naphthalene rich, coal tar based wood preservative agent by submerging said dried wood products in said agent under conditions of both elevated temperature and pressure.

Abstract: A dryer having a cylindrical lint screen connected to and extending from the rear of a rotating clothes drum. The drum is defined by a circumferential wall having perforations or air exit ports. A casing surrounds the drum thereby defining an air recirculation passageway from the perforations radially through the screen. Airborne lint is deposited on the screen as air passes therethrough en route to either the drum air inlet or the exhaust outlet. The lint is incinerated as the screen rotates past the drying air heat source.

Abstract: A device for adjusting implements, such as blowing heads, rotary brushes and the like, to the glass sheet thickness in the continuous production of mirrors, where said sheets travel on a conveyor; the implements are mounted on a frame comprising rollers, cylinders and the like, which is suspended from articulated parallelograms and is at least partly counterweighted.

Abstract: In a device for drying organic solids of high water content, particularly brown coals, the embodiment is effected in order to simplify the preliminary heating with steam in such a way that the overflow lines (7) with shutoff device end in the vapor space of the attached vessels (8) and dampers (2). The ending of the overflow lines (7) is conveniently shaped as collecting funnel (FIG. 1).

Abstract: The present invention relates to a process for drying coated workpieces, particularly workpieces of irregular shape, by infrared radiation and to an apparatus for carrying out this process. The present invention can be used for drying castings, particularly those having an irregular shape, thin-walled sheet-metal products as well as ceramic and glass products which have been coated with a powder or an electro-dipping varnish or water-soluble or solvent-containing varnishes. According to said process the workpieces are dried by infrared radiation in several zones at a specific temperature, an air flow being provided in the zones and the air being drawn off from one zone. According to the present invention the workpieces are preheated in the first preheating zone. In the second rest zone the infrared radiation is interrupted so that the temperature of the workpieces slightly decreases.

Abstract: A dryer for plastic granules with a fan for air, with a drying chamber containing a regenerable desiccant, with a collecting duct connectable to the drying chamber for the drying air, with an air heating element in the collecting duct, with a plurality of drying containers connectable to the collecting duct, with a return duct from the drying containers to an inlet duct of the fan, with a first reversing valve, which connects in a first switching position the drying chamber with the collecting duct, and in a second switching position the drying chamber with the atmosphere, and with a second reversing valve, which connects in a first switching position the inlet duct of the fan to the return duct and in a second switching position the inlet duct to the atmosphere. One object is the reliable and synchronous reversing of the two reversing valves. Another object shall enable the coupling of further groups of drying container to one drying chamber. The two reversing valves are arranged in a common valve housing.

Abstract: A vertical progressive lumber dryer has a plurality of vertically spaced functional zones through which lumber formed into units pass. Each unit rests atop a base and each layer of boards in the stack is separated by sticker means. Predetermined appropriate operating conditions are selected for the drying medium as well as other parts of the process. After a car has completed the last step within the dryer, it is removed and the dryed lumber sent for further processing.

Abstract: An automatic clothes dryer includes a dryer control circuit having at least one manually operable switch for initiating momentary tumbling of a dryer drum after the end of a drying cycle. A lock-out relay disconnects power from a main motor winding of the dryer drum drive motor upon the motor reaching operating speed so that the rotation of the dryer drum is restricted to less than a complete revolution of the drum, thereby to reposition any random articles in the drum for more convenient removal.

Abstract: A dryer of the tenter type has at least one air circulating unit consisting of a series of blowers drawing air from the drying chamber through a heater common to the series. The fans of the blower deliver reheated air back into the drying chamber in a manner such that each fan delivers air between a different pair of courses of the fabric travelling through the drying chamber. The blower which delivers drying air to the courses which include the exiting course is operable to deliver air thereto at a temperature lower than that established by the heater, a result attained by bypassing withdrawn air about the heater, by utilizing ambient air entering the dryer to make up for that lost by vapor withdrawal, or by combinations of bypassed and such make up air.

Abstract: A mechanism for automatically regulating tension of wires employed in a window regulator comprising a drum being provided for rotational movement within said housing, and having a first side surface provided with a first ratchet teeth, a second side surface provided with a first engaging portion for engaging a first wire end, and a peripheral surface as winding surface; a ratchet plate being adjacent to said drum coaxially, and having a surface provided with a second ratchet teeth engaging said first ratchet teeth and a second engaging portion engaging a second wire end; a spiral spring having one end engaged with said ratchet plate and having the other end engaged with said housing, and urging said ratchet plate in such direction that said first ratchet teeth and said second ratchet teeth are moved idly; an elastic member axially urging said drum toward said ratchet plate; and a shaft for operating said drum to rotate by means of engaging with said drum.

Abstract: An indirect fired oven system for curing coated products, particularly metal product such as coiled sheet steel or coiled sheet aluminum, is provided. The oven line comprises at least one oven zone though usually at least two or three zones are present, through which the coated product travels, and the oven line is operated at elevated temperatures. An indraft is induced at the entrance and exit ends of the oven line by a balance air fan which captures the indraft air at both ends almost immediately that it enters the oven line, and feeds part of the indraft air to a heat exchanger and then back to the oven zones, and part of it unheated directly back to the oven zones. The temperature in the oven zones is controlled by the influx to each zone of heated air.

Abstract: A pin oven is disclosed for curing coated or decorated can bodies travelling in a serpentine path wtih jets of a curing medium. The pin oven chamber is divided by an interior louver wall into a curing medium supply plenum chamber and a curing chamber. The cans move through the oven on a pin conveyor and jet nozzles in the louver wall are arranged in a pattern for instantaneously confronting moving can bodies with substantially the same number of nozzles for immersing the can bases in a substantially uniform air stream in order to minimize can flip-flopping on the pin conveyor in order to achieve oven speeds in excess of 1000-1200 cans per minute. The louver wall is provided with chambers for uniformly distributing the pressure and velocity of air jets to reduce the tendency of cans to pulsate as they pass through the oven. The louver walls are of modular construction for application of the oven to a variety of can sizes and decorating or coating technologies.

Abstract: A method of desorbing water vapor molecules from the interior wall surfaces of a vacuum chamber by irradiating the inner wall surface by ultraviolet radiation. During the irradiation of the inner wall surfaces by the ultraviolet radiation, the vacuum chamber is kept under vacuum. The wavelength of the ultraviolet radiation is preferably a combination of two basic wavelengths: a first wavelength of 183 nanometers, and a second wavelength 254 nanometers. The ultraviolet radiation source is a conventional ultraviolet lamp. The lamp is connected to an exterior power source. After radiation the inner wall surface of the vacuum chamber with ultraviolet radiation, the desorbed water molecules are pumped away by the pumps of the vacuum system. Any wavelength falling within the ultraviolet band of the spectrum may be used for irradiating the inner wall surfaces of the vacuum chamber.

Abstract: A process for controlling the temperature of a drying apparatus including a cylindrical rotor having a plurality of heating means which are independent of each other and arrayed in an advance direction of raw material, the process comprises controlling the heating means in response to measurements of the flow rate and moisture content of the raw material charged into the rotor and measurements of temperatures of respective sections of the rotor, each section corresponding to each heating means so that the temperature of each section is changed in accordance with a flow rate characteristics curve of each section and controlling the heating means so that a bias temperature for compensating for a lag in thermal response dead time of each heating means is applied prior to changing the temperature of each section in accordance with a flow rate characteristics curve by a feed back controlling at least a final heating means in response to the measurement of the moisture content of the dried raw material discharged f

Abstract: An improved ultrasonic lithotriptor probe for performing fragmentation and removal of calculi deposits in the kidney and upper ureter wherein high frequency sound waves are utilized to disintegrate the calculi or stones based on placing the probe against the stones and causing them to disintegrate due to the ultrasonic energy. The probe is coupled to a transducer which drives it and the probe is hollow and aspiration is utilized to remove the particles of the stone through the probe. The probe extends into the transducer which prevents the probe from clogging. Also, the end of the probe which engages the stone is provided with a slit so as to prevent it from being clogged by the stone so as to cause the aspiration to be interrupted when the end of the probe extends into the confines of the stone in that the split will allow liquid to pass through the probe and continue to cool it and to remove fragments through the probe.

Abstract: An electric hair dryer wherein a collapsible hood defines one or more plenum chambers for heated air and has a foraminous inner panel which is adjacent to the hair when the hood is placed over the head of the wearer. The hood has a hollow extension which is adjacent to the chest of the wearer and is separably connectable with the slotted detachable cover of a housing for the electric motor which drives a rotor for supplying heated air into the plenum chamber or chambers. The rotor is installed in the cover and is disposed downstream of an air heating unit which is mounted in the interior of a hollow cylindrical or frustoconical air guide and surrounds a tube for admission of cool atmospheric air into the space around the motor. The bottom wall, the front wall and the two lateral walls of the housing are formed with ports which admit atmospheric air into the air guide as well as into the tube.

Abstract: A predrying tower serves for heat-treating a vertically conducted length of material. In addition to infrared heating rods arranged on each side of the length of material and over the treatment height of the drying tower, respectively one air supply box is arranged bilaterally of the length of material. The air supply box extends over the height and width of the drying tower, with air slots oriented to direct air toward the length of material. In order to obtain a circulating air system, the air is exhausted above the treatment zone over the width of the length of material and conducted to a fan arranged at the end face of the drying tower, this fan blowing the treatment air downwardly in an air recycle chamber arranged likewise at the end face of the drying tower. An air ramming or air collecting chamber is arranged on the underside of the drying tower over the operating width, wherein the accelerated air is laterally introduced and exits upwardly via a heating device into the air conducting box.

Abstract: For a method for heat-treating textile material, and for a tenter for carrying out the method, it is proposed to control the textile web velocity as a function of the point on the treatment path at which the maximum deviation in the amount of energy spent per unit time occurs. To determine this point on the treatment path it is not necessary, therefore, to measure the momentary temperature of the textile material directly or the temperatures of the treatment medium flowing in and out. Instead, it suffices to determine the individual valve positions which indicate the amounts of energy supplied per unit time, and to infer therefrom the site of the treatment path where the drying process is completed and the fixing process sets in.

Abstract: A drying furnace for drying a paint coating on each of automobile bodies successively transported therethrough comprises a generally tunnel-shaped housing having entry and exit openings defined at the opposite ends thereof respectively. This housing has an indirect drying zone defined therein adjacent the entry opening, and a direct drying zone defined therein adjacent the exit opening, and also has an intermediate drying zone defined therein between the indirect and direct heating zones that can be used as an extension of either the indirect drying zone or the direct drying zone depending on the speed of successive transportation of the painted automobile bodies.