Abstract: Frozen products requiring cold insulation are housed inside of the cold-insulating container structured of a vacuum heat-insulating material, and the cold-insulating containers are loaded in a refrigerator vehicle, cold-insulating vehicle, or room-temperature vehicle other than a freezer vehicle for delivery. Each of the peripheral walls, lids, and bottom faces of this container is made of a sheet material enveloping the vacuum heat-insulating material therein. In each of the peripheral walls adjacent to the peripheral walls connected to the lids, the vacuum heat-insulating material is divided along folding line so as to be foldable.

Abstract: A cassette for use in freezing a liquid contained in a plurality of liquid receptacles comprises a bottom plate for supporting a number of the liquid receptacles in a layer, a number of intermediate plates having essentially the same dimensions as the bottom plate for placing on a layer of the liquid receptacles and supporting a further layer of liquid receptacles, and two opposite side walls being rigidly connected to the bottom plate for constituting a U-form therewith, so that each intermediate plate when placed on a layer of the liquid receptacles will be fixed laterally in relation to the side walls.

Abstract: A storage/dispensing compartment includes a front wall portion, a rear wall portion, a bottom wall portion and opposing side wall portions that collectively define a storage zone. The storage/dispensing compartment further includes a mounting element that is arranged on an underside of the bottom wall portion. The mounting element cooperates with a mounting member to position and secure the storage compartment in a storage cavity of a chiller compartment arranged on a refrigerator door. The storage/dispensing compartment, constructed in accordance with one embodiment of the invention, includes first and second, laterally arranged storage zones, each having respective inlet and outlet portions and a plurality of divider walls. The divider walls establish a serpentine path that extends from the inlet portion to the outlet portion.

Abstract: Apparatus for delivering a chilled beverage from a storage area to a beverage dispenser comprises a beverage conduit, a coolant source or reservoir, a coolant pump, a coolant conduit, an insulating sleeve encircling the conduits and supporting them in positions enabling heat transfer between such conduits, and a common support for the coolant and coolant pump. The common support is so constructed as to enable mounting of the coolant reservoir and pump in any selected one of a number of different locations.

Abstract: The present invention is a portable, lightweight disposable bag intended for, but not limited to the temporary storage of temperature sensitive items or perishable foodstuffs. The bag comprises at least two contiguous pockets, one pocket containing a cooling substance such as an ice gel and one pocket containing a temperature sensitive or perishable item. Both pockets may be sealed by resealable closures. The pocket containing the cooling substance may be permanently sealed.

Abstract: A desiccant cartridge for use with a receiver/dryer of an automobile air conditioning system. The desiccant cartridge contains a cup member and a cap. The cap includes a plurality of fingers located about a periphery thereof. The fingers engage the cup member to secure the cap to the cup member. The fingers operate to facilitate insertion of the cap into the cup member using a one-way lock-type arrangement. Accordingly, pushing the cap downward into the open end of the cup member causes the fingers to deflect upward and slide along an interior surface of the cup member. Upward movement of the cap is limited by the fingers engaging the interior surface, which hold the cap member in place. Accordingly, the cap can be inserted into and locks in the cup member at any position.

Abstract: A multi-stage refrigerant driven turbine is incorporated into a closed loop system to generate electricity. Heat transfer conduits and optional flow diverting members are disposed between the rotor blades of each stage of the turbine. The closed loop system also includes a condenser, pump, refrigerant storage container, refrigerant, and expansion valve. A heat source and heat sink are also provided. The expansion valve introduces a saturated refrigerant mist into the turbine, and the refrigerant expands as it flashes to a gas, thereby rotating the rotor blades and turbine shaft. Heat from the heat source is added between stages to increase the portion of refrigerant converted to gas. The gas is passed from the turbine, condensed, and passed as a liquid to storage or to repeat the cycle. The blending of refrigeration cycle and turbine technologies allows electricity to be generated in a closed loop system under moderate conditions.

Abstract: An air conditioner capable of dehumidifying a space where an indoor unit is installed and even a space where an outdoor unit is installed is disclosed. The air conditioner includes a compressor for compressing refrigerant, an outdoor heat-exchanger including a first and a second heat-exchangers for performing heat-exchange of the refrigerant discharged from the compressor, a first decompression device installed at a pipe through which the refrigerant discharged from the outdoor heat-exchanger passes, an indoor heat-exchanger for performing heat-exchange of the refrigerant discharged from the outdoor heat-exchanger, a second decompression device installed at a pipe connected to the first and the second heat-exchangers, and a first two-way valve installed at a pipe for refrigerant to bypass the second decompression device.

Abstract: An expansion valve capable of reducing refrigerant passing noise by miniaturizing air bubbles in a gas-liquid two-phase refrigerant flowing in the expansion valve without decreasing the adjusting range of the opening adjusting function of an orifice and a refrigerating apparatus using the expansion valve. The expansion valve comprises a valve body (1), two ports (2) and (3) formed, as the inlet and outlet of the refrigerant, in the valve body (1), the orifice (5) formed in the refrigerant passage (4), and a turbulent part (6) causing turbulence in the flow of the refrigerant formed in the refrigerant passage (4) on the upstream side of the orifice (5).

Abstract: The present invention relates to a process and apparatus for producing crude helium, liquefied natural gas product, and optionally synthesis gas from natural gas. A natural gas comprising helium and methane is cooled to produce cooled natural gas. At least a portion of the helium and methane from the cooled natural gas is separated into a vapor comprising helium, from which crude helium is derived, and a liquid comprising methane. At least a portion of the methane from this liquid is separated into a vapor, which is optionally reacted to produce synthesis gas, and a liquid, from which liquefied natural gas is derived. Additional heat exchange and separation steps may be included.

Abstract: Contemplated plants include a NGL recovery portion and a LNG liquefaction portion, wherein the NGL recovery portion provides a low-temperature and high-pressure overhead product directly to the LNG liquefaction portion. Feed gas cooling and condensation are most preferably performed using refrigeration cycles that employ refrigerants other than the demethanizer/absorber overhead product. Thus, cold demethanizer/absorber overhead product is compressed with the turbo-expansion and delivered to a liquefaction portion at significantly lower temperature and higher pressure without net compression energy expenditure.

Abstract: A method for carrying out cryogenic air separation wherein feed air is processed in three streams which are at different pressures, wherein one stream is turboexpanded to generate refrigeration and the other two streams are condensed to effect pressurized product vaporization.

Abstract: A setting for jewelry is described that includes a gemstone and a reflective element. The gemstone and reflective element define central points that are aligned with a central axis. The reflective element directs ambient light towards a pavilion of the gemstone to provide additional light and increase the appearance of brilliance within the gemstone. The reflective element can be made of diamond or metal. A method of directing light from a reflective element of a setting to a gemstone is also described. The method includes providing one or more reflective elements that are aligned with the gemstone and angled for directing light towards the pavilion of the gemstone.

Abstract: The invention provides a decorative object comprising a transparent or translucent substrate having a body and at least one surface bearing a thin film coating. The coating imparts in the substrate a body color that appears substantially constant at different angles of observation. This body color is imparted in the substrate at least in part by absorption of visible radiation that is transmitted through said coating. The coating includes a high absorption layer comprising film that is highly absorptive of visible radiation. Also provided are methods of coating gems and other decorative objects, as well as methods of heat treating coated gems and other decorative objects.

Abstract: Various embodiments described herein comprise a gemstone or other piece of jewelry, which incorporates one or more diffractive optical elements to enhance the fire displayed by the gemstone. In certain embodiments, the diffractive optical element comprises a diffraction grating etched on one or more facets of the gemstone.

Abstract: Method for the continuous vacuum cleaning of a substrate, characterized in that: a species is chosen that has a low sputtering efficiency and is chemically active with regard to the soiling matter; using at least one linear ion source, a plasma is generated from a gas mixture comprising predominantly the species having a low sputtering efficiency, especially one based on oxygen; and at least one surface portion of said substrate is subjected to said plasma so that said ionized species at least partly eliminates, by chemical reaction, the soiling matter possibly adsorbed or located on said surface portion.

Abstract: A manufacturing apparatus of a glass product, comprising: a plurality of lower molds; a nozzle for allowing a molten glass droplet to drop therefrom; and a shifting unit for successively shifting any one of lower molds, selected among the lower molds, to a dropping position at which the molten glass droplet drops from the nozzle in synchronized timing with dropping of the molten glass droplet, which can efficiently press-mold molten glass droplets that are allowed to drop from a nozzle of a melting tank; and a manufacturing method applied to the apparatus.

Abstract: Mold assemblies for forming optical elements including a support material and a molding material are disclosed and described. In one aspect, the molding material can include a single crystal diamond coupled to the support material and includes a working surface defining a shape to be imparted to an optical element to be pressed in the mold assembly. In another aspect, the molding material can include a PCD compact coupled to the support material and includes a working surface defining a shape to be imparted to an optical element to be pressed in the mold assembly. In yet a further aspect, the molding material may include a cermet composite coating material which provides a gradient of one material coupled to the support material to another material at a working surface of the molding material which defines a shape to be imparted to an optical element to be molded.

Abstract: A method of bending at least one glass sheet including: allowing the glass to sag under gravity; then placing the central region of the one or more sheets in contact with a male former by advancing a female former supporting the sheet toward the male former, the male former being located above the female former with vertical movement of one with respect to the other being possible in a bending cell; then pressing the glass in its peripheral region between the male former and the female former; then holding the glass against the male former by partial vacuum, the pressing being continued; then discontinuing the pressing by separating the male former from the female former; and then cooling the glass outside the bending cell. The method makes it possible to produce bends with short radii of curvature in two perpendicular directions without leaving marks on the glass.

Abstract: Methods for substantially improving the stability of a melting furnace system including bushings and cooling apparatus for converting molten mineral material to continuous fibers is disclosed. Apparatus and methods for maintaining the molten material throughput and the electrical power load on fiberizing bushings substantially constant are disclosed. The orifice plate, with or without tips or nozzles, is subjected to a more rapid rate of heat removal after the bushing breaks out than it did while the bushing was in a desired fiberizing mode. Apparatus for blowing cooling air upward onto the orifice plate during the time the bushing is breaking out and/or hanging to provide additional cooling is disclosed along with optional additional or alternative apparatus to use for optional additional or alternative cooling is also disclosed.

Abstract: Disclosed are a method for fabricating an optical fiber preform and a method for fabricating an optical fiber using the optical fiber preform. The method for fabricating the optical fiber preform including the steps of: (a) growing a first soot preform on a starting member by a soot deposition; (b) dehydrating the first soot preform; (c) sintering the first dehydrated soot preform to obtain a first glassed optical fiber perform; (e) growing an over-clad soot layer on the first optical fiber preform by soot deposition to obtain a second soot preform; and (f) sintering the second soot preform so as to obtain a second optical fiber preform which is glassed, wherein an average density of the first soot preform is substantially within a range of 0.19˜0.30 g/cc, and the average density of the over-clad soot layer is substantially within a range of 0.5˜0.75 g/cc.

Abstract: Disclosed is a method for fabricating an optical fiber preform. The method includes: (a) growing a first soot preform on a starting member along a lengthwise direction of the starting member by a soot deposition; (b) dehydrating the first soot preform; (c) sintering the dehydrated first soot preform, to obtain a first glassed optical preform; and (d) elongating the first optical fiber preform by heating the first optical fiber with a heat source that excludes hydrogen, wherein the first glassed optical fiber is elongated by means of only a heat source that excludes the use of hydrogen.

Abstract: A recovery system recycles the washwater used to clean excess binder and debris from the production components, including a forming hoodwall constructed of non-corrosive materials, for manufacturing fiberglass insulation. A separate closed-loop recovery system is provided for the forming hoodwall in which the binder-containing washwater is screened and then recycled back to the forming hoodwall without further chemical treatment to change the pH level. A binder reclamation system is coupled to the hoodwall washwater recovery system to divert the low pH washwater when the supply of binder needs replenished at the forming hoodwall. The binder reclamation system introduces an acid solution to the cleaned washwater to lower the pH from about 2.5 to about 3.5. The other production components share a bulk washwater recovery system in which a base solution is introduced to raise the pH to approximately 8 or above to reduce corrosion in the other production components.

Abstract: An apparatus and method for producing glass fiber granules includes an applicator for applying a binder composition to the chopped strand segments; and a granulating assembly for imparting a cascading pseudo-helical action to the chopped strand segments. The granulating assembly includes a plurality of scoops positioned in a pattern within a rotating drum.

Abstract: A drum washing machine includes a water tub (10), a rotating tub (14) mounted in the water tub (10) to be rotated about a transverse axis, an elastic support (11) for elastically supporting the water tub (14), and an auxiliary baffle (23) formed on the inner peripheral wall of the rotating tub (14) so as to be close to one of the end plates of the rotating tub and away from the other end plate of the rotating tub (14). The auxiliary baffle (23) extends in a direction of axis of the rotating tub (14). The auxiliary baffle (23) moves laundry in the rotating tub (14) near a center of gravity of a member of vibration system applying load to the elastic support (11).

Abstract: A lock device for exhibit framework has a lock shell (1), a lock plate (2) and an eccentric lock wheel (3). On the lock plate (2) there are two long grooves with different width extending to front end of forming there prongs with different width thereof. The front end of every prong is respectively made into claw (21, 22, 23), with opposite directions other. The rear end of lock is curved into the form of U-shaped half loop (26), which is a plane on the end surface (261). The support structure consists of three respective oblique planes (231, 211, 221) of the three prongs and relative oblique bearing surface (131, 131, 111) in the front of the lock shell (1), furthermore, the stop structure consists of a stop dent (27) of the lock plate (2) and an eccentric cam (332) of the eccentric lock wheel (3).

Abstract: A padlock comprises: a casing; a shackle having a free first end and a second end, the second end being pivotally connected to the casing; a locking mechanism received within the casing and limiting the axial movement of the second end of the shackle; a latching tube received and operative to be moved within the casing; and a stop member driven by the latching tube so as to be moved between a first position where the first end of the shackle can be rotated by using the second end thereof as a center of rotations and a second position where the stop member prevents the first end of the shackle from moving, and the shackle and the casing co-define a closed loop

Abstract: A computer lock comprising: a body having a top end, a bottom end opposite top end, a front side, a back side opposite front side, a first side adjacent to front side, and a second side opposite first side; an opening formed in front side between top end and bottom end, the opening extending from front side and terminating at a position preceding back end; a canal connected to the opening and extending from an opening on first side to an opening on second side, wherein a cable may be passed through the opening in front side and into the canal, and the openings on both first side and second side are narrower than the canal; and a push-button locking cylinder comprising a pin that blocks the opening in front side when locking cylinder is engaged and leaves the opening in front side unobstructed when locking cylinder is disengaged.

Abstract: A controlling assembly for a locking device includes a latch bolt adapted to be engaged with the axle and rotatably extending out of the casing, the latch bolt having a threading formed on a free end of the latch bolt, a dial ring adapted to be movable and rotatable relative to the axle and a clutch device provided to selectively engage the dial ring and the latch bolt. When the latch bolt is engaged with the dial ring and the locking device is in an unlocked status to allow the axle to move axially inside the casing, rotation of the dial ring is able to drive the latch bolt to rotate simultaneously so that the latch bolt is able to threadingly engage with an object to be protected.

Abstract: An anti-tamper system is provided. The anti-tamper system comprises a clamshell protective encasement adapted to encapsulate at least one device on a single circuit board such that at least one electrical connector of the single circuit board is accessible. The anti-tamper system also comprises one or more sensors embedded inside the clamshell protective encasement, the one or more sensors being adapted to detect unauthorized attempts to tamper with the clamshell protective encasement.

Abstract: A method, computer readable medium, and system for vapor deposition on a substrate that maintain a first assembly of the vapor deposition system at a first temperature, maintain a second assembly of the vapor deposition system at a reduced temperature lower than the first temperature, dispose the substrate in a process space of the first assembly that is vacuum isolated from a transfer space in the second assembly, and deposit a material on the substrate. As such, the system includes a first assembly having a process space configured to facilitate material deposition, a second assembly coupled to the first assembly and having a transfer space to facilitate transfer of the substrate into and out of the deposition system, a substrate stage connected to the second assembly and configured to support the substrate, and a sealing assembly configured to separate the process space from the transfer space.

Abstract: An override mechanism is for an electronic door lock assembly that includes a handle, a retractor and an electronic clutch mechanism with a movable coupler and an actuator. The coupler operatively connects the handle with the retractor when the coupler is located in an engaged position and the actuator is operable to displace the coupler between a nonengaged position and the engaged position. The override mechanism includes a movable override member configured to displace the clutch coupler between the nonengaged and engaged positions. The override member also retains the clutch coupler at the engaged position when the override member is disposed at an unlock position and prevents displacement of the coupler during actuator operation when the override member is disposed at a lockout position. Further, a manual drive, preferably including a cylinder lock, is configured to displace the override member between the unlock and lockout positions.

Abstract: An apparatus includes a handle and a rod coupled to the handle. A plurality of plates are coupled to the rod. Each plate from the plurality of plates defines an opening. Each plate from the plurality of plates configured to be rotatably movable with respect to the rod and linearly movable in an orthogonal direction with respect to a longitudinal axis defined by the rod. The plurality of plates being collectively reconfigurable to a predetermined configuration in which the plurality of plates collectively mate with a controller.

Abstract: A mechanical counting device for a lock, comprising; a bottom support (1); a counting gear (2); a counting rotation lever (4); a button (5); a stop lever (6) to stop the counting gear (2) returning back to the original position when the button (5) is activated; and a carry-over pinion (8); wherein activating the button (5) causes; driving the counting rotation lever (4) to move and cause the counting gear (2) to rotate, resetting a counting gear spindle (12) back to zero, propping the carry-over pinion (8) against and driving the counting gear (2) to perform carry-over, and propping an elastic plate (7) against a carry-over pinion spindle (9) to move within a hole of the bottom support (1).

Abstract: A device for opening a locked door or drawer, which device comprises; a) means for facilitating the insertion of a key into a lock; and b) means for rotating said key when inserted.

Abstract: A pin tumbler lock of a first embodiment includes a shell containing top pins; and a plug, rotatable within the shell, containing standard bottom pins, and a shorter bottom pin, set back from the face of the plug. A tubular key has bitings corresponding to the standard bottom pins, and a projection corresponding to the short bottom pin. When the key is inserted, the bitings and the projection press all the bottom pins to the shear line. In a second embodiment, a lock includes a shell containing top pins and a depression; and a plug, rotatable within the shell, containing bottom pins. The depression is configured and dimensioned to receive one of the bottom pins. The depression may be opposite one of the bottom pins, and there may be one more bottom pin than top pins. When the key is inserted, the bottom pins are moved to the shear line.

Abstract: A dry flowable additive for aqueous urea-based fertilizers made of solid urea formaldehyde polymer (UFP), N-(n-butyl) thiophosphoric triamide (NBPT), and, optionally, dicyandiamide (DCD), wherein the liquid fertilizer containing the additive provides reduced nitrogen loss from the soil. Optionally, the dry additive may also be blended with molten or solid urea to form a solid urea-based fertilizer with reduced nitrogen loss from the soil.

Abstract: The present invention discloses a novel use of the FGD byproduct from thermal power plants and facilities and the specific method for alkali soil amelioration. In this method, after sampling, amount of Na2CO3, NaHCO3, Mg(HCO3)2,±)Na and ±)Mg can be calculated by analysis. According to the component in FGD byproduct from thermal power plants and facilities, the amount for FGD byproduct from thermal power plants and facilities needed in the alkali soil to be ameliorated can be determined. The FGD byproduct from thermal power plants and facilities are scattered on the surface according to the alkalization degree. After irrigating, the soil is operated just like common land. This invention allows the FGD byproduct from thermal power plants and facilities to be utilized effectively and economically, changing from it from waste to a useful substance. Moreover, it provides a method for alkali soil amelioration, which is fast, efficient, consumes less water, is cost effective, and promising.

Abstract: A process for producing a seamless steel pipe, in which the occurrence of inner surface flaws in the pipe can be reduced through the lowering of the friction coefficient during the elongation rolling by means of a mandrel mill is provided. The reduction of inner surface flaws is accomplished through the use of a lubricant composed mainly of either or both of graphite and mica coated to the surface of a mandrel bar, and another lubricant composed mainly of an alkali metal borate that is applied onto the inner surface of the hollow stock pipe. The temperature of the pipe prior to receiving the lubricant, during lubricant application, and prior to elongation rolling is controlled. The time between descaling or piercing and lubricant application and between lubricant application and elongation rolling is also controlled.

Abstract: A method for simultaneously producing at least two workpieces, separated from one another, by internal high pressure forming. A blank is inserted into a forming tool with at least two negative molds for each of the workpieces. There is at least one parting gap between each of the at least two respective negative molds and extending around each workpiece in the circumferential direction. Each parting gap defines two spaced-apart cutting edges. When the blank is acted upon by internal high pressure it comes into full contact with the forming tool inner wall. An especially simple construction is obtained for the forming tool if the cutting edges are exposed during the forming and if the blank, in the region of the at least one parting gap, penetrates into the latter during the forming, such that the cutting edges cut out a section between two respective workpieces.

Abstract: Methods for coining or forging powdered metal parts are disclosed. One example method uses a press including a first rod, a first ram surrounding the first rod, a die plate having a die cavity, a second rod opposite the first rod, and a second ram surrounding the second rod wherein the first rod and the second rod are dimensioned to fit within the inside diameter of the part. In the method, the part is positioned within the die cavity, one of the first rod and the second rod is located as a core rod within the inside diameter of the part, and at least one of the first ram and the second ram is moved toward the other of the first ram and the second ram such that both the first ram and the second ram contact and coin or forge the wall of the part.

Abstract: A die through hole has an inside surface including a bell portion, an approach portion, and a bearing portion from the entrance side. The diameter of the approach portion is D1 on its entrance side and D2 on its exit side and gradually decreases from the entrance side to the exit side. The diameter satisfies Equation (1): 0.7<D2/D1<0.97. The die half angle of an inside surface where the diameter D3 is D2/0.97 is not less than the die half angle R2 of an inside surface nearer to the approach portion exit side than the inside surface where the diameter is D3. The axial distance LR from the inside surface where the diameter is D3 to the inside surface where the diameter is D2 satisfies Equation (2): 20?LR/((D3?D2)/2)?115. The through hole diameter at the bearing portion is fixed at D2, and the length is LB and satisfies Equation (3): 0.3?LB/D2?10.

Abstract: A punch, apparatus and method for forming opposing holes in a hollow part, and a part formed therefrom. The punch includes an end portion adapted to pierce an entry hole and bend material around the entry hole to form a retained slug along an inner edge of the entry hole. The punch also includes an enlarging portion adapted to enter the entry hole after the end portion to enlarge the entry hole by bending the slug and additional material towards the interior of the part. The punch has a length greater than a cross-section of the part such that further advancement of the punch through the part punches an exit hole in the part opposite the entry hole.

Abstract: Fine-blanking device for the fine blanking of transverse elements (51) for a push belt for a continuously variable transmission, in which blanking positions (10) for the transverse elements (51) are provided in the longitudinal direction (M) of a strip (12) that needs to be passed through the fine-blanking device. The transverse elements (51) are provided with a head part (8) that tapers to a point in a height direction of the transverse element (51). The blanking positions (10) are located opposite one another in mirror-image form in the transverse direction of the strip (12), with the respective head parts (8) of the transverse elements (51) that are to be formed being located directly next to one another.

Abstract: A tool to manipulate wrought iron has a face and at least one side wall, the face being provided with a raised portion, the outer periphery of the raised portion providing a bending surface for wrought iron, the raised portion further containing a recess adapted to trap an end of the wrought iron, the side wall being provided with a recess adapted to accommodate a portion of the wrought iron.

Abstract: For heterogeneous materials such as refractories and carbon electrodes, the measurement the elastic properties of the material is difficult to achieve with high level of repeatability. The present invention is directed to a method and system for the elastic properties measurement of a material including the Elastic and Shear Modulus, as well as the Poisson's ratio of heterogeneous materials, at room and high temperature, according to a non destructive acoustic technique.

Abstract: A sensor module is provided having a compact housing containing a sensor. A low temperature co-fired ceramic substrate is located on the housing. The sensor and signal processing circuitry are located on the low temperature co-fired ceramic substrate. The sensor module further includes a metal shield substantially encapsulating the sensor.

Abstract: A piezo cable is provided as an impact sensor, which allows up to four different measuring principles. In addition to the piezoelectric measurement, which causes a piezoelectric pulse in an impact, a capacitive measurement, an inductive measurement and a resistance measurement are possible.

Abstract: Continuous engine monitoring with regard to gas turbine engines is difficult particularly when the engine is utilised for propulsion of an aircraft. Nevertheless, by use of transfer passages 4 to an arrangement located within the tail cone 9 of an engine, it is possible through a transparent test cell 6 and appropriate heating to generate sufficient infra red radiation as well as incandescent visible light for detectors 11, 16 to determine various constituent parts of the gas flow. Thus a photo detector 11 can provide through electrical signals, the proportion of soot/smoke particles in the gas flow through their incandescence, whilst use of filters 17 for particular spectral lines in an infra red radiation spectrum will allow detectors 16 to provide an indication through an electrical signal the proportion and presence of other constituents such as NO, CO and unburnt hydrocarbons in an exhaust gas flow.

Abstract: The present invention relates to a humidity indicator label and to a desiccant packet with the humidity indicator label coupled to it.