Abstract: A weigh batch blender including a hopper pivotally mounted within a housing and having two compartments between which ingredient materials which have been individually introduced into the hopper are transferred to blend the ingredient materials as the hopper is pivoted between two "mix" positions at the ends of the pivotal range of the hopper. After blending, the hopper is moved to beyond one of the ends of pivotal movement of the hopper to dump the blended ingredient material contents of the hopper.

Abstract: A vacuum kneading and extruding method includes the steps of separately and continuously measuring plural types of material and continuously feeding the material into a kneading and degassing tank; kneading the plural types of material fed, and degassing the material by decompressing a material accommodating space into a vacuum; kneading and transporting the material in a decompressed condition through a multi-stage kneading mechanism; and forming and extruding kneaded material in a predetermined shape. An apparatus for use in executing this method is included.

Abstract: A load of plastic material is formed from two sheets cut successively from a roll of strip material. The first sheet is cut to a roughly constant length, weighed and loaded on to a conveyor. The second sheet is cut to the length calculated according to the weight of the first sheet and is loaded on to the conveyor in a predetermined position in relation to the first sheet. Each sheet is positioned by transferring it from the cutting station to a transfer structure moved in relation to a stop structure set each time to a given programmed position.

Abstract: A process for making porous flexible pipes from two feed streams containing a thermoplastic material and a thermoset material, in which the feed streams are delivered to a die head extruder in a substantially compaction-free and segregation-free manner to insure that the feed composition in the extruder is substantially the same as the initial feed composition. The process can be automated so that an operator can manufacture porous flexible pipes of desired porosity and other rheological and mechanical characteristics by simply entering a command which will simultaneously adjust the process parameters such as the temperature and/or pressure inside the extruder, and the post-extrusion tension to meet the special need.

Abstract: To eliminate the fluctuations in the precision of the material distribution which could not be avoided when manufacturing pipes in the centrifugal moulding process with the prior art installations, a new process and an installation for carrying out the process is proposed. This has at least two cylindrical centrifugal drums (1) serving as moulds and an injection carriage (12) which is displaceable in two directions perpendicular to each other, with a feed arm (11).

Abstract: A material processing apparatus for flash flow processing by melt spinning includes a feed rate controller in combination with a spinner head assembly including a spinner head with a continuous perimeter for providing heat and centrifugal force to a material being processed. The spinner head assembly also includes a spinner drive connected to the spinner head for generating the centrifugal force. The material processing apparatus can also include support for supporting the spinner head assembly, where the feed rate controller is electrically connected to the support. The feed rate controller determines a detected load of material in the spinner head from data provided by the support, compares it to a preselected load for the material being processed and generates a feed rate control signal indicative of a difference between the detected and preselected loads. A feeder assembly supplies the feedstock material to the spinner head at a feed rate defined by the feed control signal.

Abstract: A method and apparatus for supplying a uniform strip of bread dough is provided in which a dough mass flows downward from a dough hopper, a dough portion of the flowing dough mass is laterally spread on an outlet conveyor having a weighing table, dough portions are cut and divided from the dough mass into dough pieces when a predetermined degree of the spread of the dough mass is detected by a dough-detecting device, simultaneously the weight of the dough piece is measured, the dough piece is then transferred from the outlet conveyor to a supply conveyor, the divided dough pieces are arranged on the supply conveyor at intervals proportionate to the weights of the dough pieces, and they are stretched to make a strip of bread dough. It has a uniform width and thickness, and is uniform in weight throughout the entire part of the strip of bread dough. Therefore, dough products cut and formed from this strip of bread dough are of a high quality.

Abstract: An apparatus for manufacturing various shapes of bread that includes a device for forming a continuous sheet of bread dough, a roller for winding up the sheet of bread dough traveling on a horizontal conveyor from one of its sides into a bar of bread dough, the conveyor causing the bar to fall from its downstream end, and a cutter for cutting the falling dough body into dough pieces by squeezing it with flat surfaces of the cutter, according to its preset weight or length.

Abstract: A filling apparatus for filling foamed particles of a thermoplastic resin into a mold. The apparatus includes a weigh hopper equipped with a weighing means, a foamed particle feeder adapted to control the amount of the foamed particles of the thermoplastic resin to be fed to the weigh hopper according to the weight of the foamed particles contained in the weigh hopper, a particle feed hopper adapted to temporarily keep a fixed weight of the foamed particles, which have been weighed in the weigh hopper, a holding hopper which acts as a pressurized tank, and a filling machine for filling the foamed particles into a mold. The filling apparatus allows for the successive weighing and pressurized containment of the foamed particles prior to being fed into the mold cavities.

Abstract: A method of detecting the filling weight for an injection molder, or specifically to a method of detecting the weight of the plasticized synthetic resin injected from the injection molder cylinder to fill the cavity of a mold. The object is to ensure highly accurate detection of the filling weight on the injection molder side, in continuous molding production. The weight of the resin injected from the cylinder to fill in the cavity is detected through operations on the basis of the positional values of the screw and the pressure and temperature valves of the resin obtained before and after injection, with the resin pressure maintained at a specified value and with the block valve and check valve closed.

Abstract: A method of detecting the characteristics of resin in an injection molding machine having an on-off operating mechanism for the flow path of the resin and a method of controlling the weight of the injected resin on the basis of the detected characteristics of the injected resin. Such an arrangement is adopted that, in a state where the aforesaid flow path on-off operating mechanism is closed after the resin in plasticized and measured, processes, in which urging forces of predetermined urging values p.sub.o, p are applied to the screw to balancingly move the screw until it stops, are successively carried out under a given molten state value Z of the resin, and the relationship between the urging value p.sub.o, p and the moving distance S.sub.T of the screw are approximated by a given functional equation, to thereby obtain the relationship between a molten resin pressure P and a molten resin volume.

Abstract: Tubular bodies are extruded from thermoplastic material by forming a tubular preform at an exit of an extruder head die after which the tubular preform is then blown to the configuration of a cavity of a blow mold. The position of the preform relative to the blow mold is regulated and/or controlled, and waste portions produced in the blow mold are separated from the blown hollow body. The weight of the separated lower waste portions and/or the net weight of the hollow body when in accumulation head operation is measured in order to control and/or regulate the position of the preform and to change the die slit in the event of a weight deviation from a reference value.

Abstract: An apparatus is disclosed for continuously dividing bread dough. The apparatus consists of a dough hopper, vertical conveyors mounted on the side walls of the hopper, a dough outlet provided at the bottom of the hopper located under the vertical conveyors, a divider having cutting knives for dividing the dough, a weighing conveyor provided under the divider for weighing the dough discharged through the weighing conveyor, and a control means for controlling the timing in the discharging operation of the weighing conveyor according to the weight of the dough. The weight of the divided dough is instantly and successively weighed, while the period to keep the outlet open is controlled so that a belt-like sheet of dough, with sections of a uniform weight, is continuously produced.

Abstract: An apparatus for manufacturing a foil web of a thermoplastic with locally secured fittings, for use as tarpaulins or similar articles. The apparatus includes an extruder head with an entirely or mainly downwardly directed ejection orifice and two counterrotating rollers with a nip for calibrating the extruded foil. In a feeding device with a vertical supply magazine, a stack of fittings is accommodated and a guiding device is used to guide fittings into a discharge duct extending towards the roller nip. The guiding device is electrically operated and an electrically controlled stop member with an associated fitting sensing element are arranged at the lowermost end of the discharge duct towards the roller nip for accurate control of the supply of fittings to the roller nip through controlled stopping and releasing of the fitting element as well as the monitoring of fittings in the discharge duct.

Abstract: A process of determining the rate at which plastic granules are received by an extruder form a feed container having an outlet which opens into the inlet of the extruder, in which process granules are continuously fed to a supply container and consecutive charges of granules are intermittently fed to the feed container, the feed container is weighed before or at the beginning of or after or at the end of its filling operation, the time is measured which between the filling operations is required to withdraw the material in the amount which has been determined by the weighing operations, and the flow rate of the material is calculated from the amounts of material which have been received from the feed container in the measured intervals of time. A uniform feeding of material into the extruder will be ensured if granules and marginal strip material are supplied to the cyclone like container.

Abstract: Multiaxis rotational molding apparatus includes a raw material supplying portion including a plurality of reservoirs connected independently with a mixing portion through conduits. A supporting portion includes a plurality of frame members disposed between upstanding end sections and rotatably supported thereon. A molding portion rotatably supported within the frame members includes at least one rotatable mold assembly with at least two separable mold sections. The mold sections include at least two optical fiber elements extending through the mold sections with one end of each optical fiber element terminating at a mold cavity forming surface of a mold section and an opposite end of each optical fiber element terminating at a remote second surface thereof. A signal generator disposed adjacent a remote surface end of one optical fiber element and a signal sensor disposed adjacent a remote surface end of another optical fiber element.

Abstract: The invention relates to a method of controlling the injection speed selecting points of an injection molder, or more specifically to a method of controlling the injection speed selecting points of an injection molder injecting plasticized synthetic resin from the cylinder into a mold cavity at speed varied in multiple steps in each injection process. The objective is to control the injection molder so as to mold a product with constant surface quality in each injection process for continuous molding production. For this purpose, appropriate injection speed selecting points are determined for each injection process so as to ensure that a constant weight of plasticized synthetic resin is injected at each selected speed, and the injection speed selecting points of the injection molder is controlled accordingly.

Abstract: Multiple extruder apparatus for compounding thermoplastic resin and reinforcing fibers incorporates a resin extruder in which thermoplastic resin pellets are melted and a compounding extruder in which the molten thermoplastic resin is mixed in intimate contact with long reinforcing fibers of at least one inch in length. The melted thermoplastic resin is introduced into the compounding extruder at a point downstream of the inlet point for the reinforcing fibers, so that the fibers are mechanically worked and heated before coming into contact with heated, molten thermoplastic resin.The extrudate from the compounding extruder consists of a homogeneous, molten mass of thermoplastic resin having discrete lengths of fibers randomly dispersed therein.

Abstract: A device for filling molds with a casting resin or the like. An elastic casting container, with at least one fill and discharge opening, is arranged in the pressure box, which casting container selectively receives the casting resin therein from a feed pipe and delivers the casting resin to the mold through a fill pipe. The casting container is emptied by a pressure buildup inside of the pressure box, either by means of a gaseous or a liquid pressure medium. In this manner, the casting container can be loaded with the casting resin such that a renewed gas loading of the already degassed casting resin prior to the filling of the mold no longer occurs, while simultaneously limiting cleaning operations.

Abstract: Portable brick manufacturing apparatus (20) mounted on a skid pad (21) includes two brick making systems. Each system includes a ring (25, 65) with three open-ended mold boxes (23, 70) mounted to the ring in equiangular spacing thereabout. Drive means (30,32,30',31') and an indexing controls mechanism (51) operate to rotate the ring in steps such that the mold boxes come to rest at a fill station, a compacting station and a brick ejection station, respectively. The two systems share a compacting station and a slide plate (60) provides a bottom for the mold boxes at the fill and compacting stations and in movement therebetween for each systems. In one system, hoppers (52,56) conveyors (54,49) a blender (58) and a spray nozzle (59) deliver soil and additives to a mold box at the fill station. Similar components are included in the second system. The indexing mechanism (51) responds to a sensor signal to control the weight of depost in a mold box.

Abstract: In a gear pump assisted thermoplastic extrusion system, the speed of operation of the gear pump is adjusted in relation to fluctuations in both the rate of product output from the system and the rate of material input to the system to precisely maintain a desired weight per unit length of the extruded product within close tolerances.

Abstract: A blender for plastic materials weighs a charge of virgin plastic pellets as they are added to a hopper, similarly weighs plastics regrind material as it is added to the hopper, calculates the weight of color material (or other additive) on the basis of the actual virgin material weight and the desired color percentage, calculates from the weight of color material and a calibration of a volumetric feeder the volumetric amount of color material needed and then dispenses the calculated volume of color material. The apparatus is hybrid, using weight ratio measuring devices for the primary components and a volumetric feeder for dispensing the additives.

Abstract: A method of making tubular bodies from thermoplastic material by extruding a parison through an extruder head die slit which is then expanded in a blow mold. The position of the parison and particularly a thickened portion thereof is regulated and/or controlled relative to critical cross-sectional regions of the hollow body blown therefrom. The hollow body of the separated lower waste portions and/or the net weight of the hollow body is measured in order to control and/or regulate the position of the thickened portion of the parison and to change the die slit as need be upon deviation from a reference value. The latter is particularly beneficial in accumulation head operation, while in continuous operation, either the hollow body net weight and the weight of the lower waste-portion is measured and compared with a reference characteristic or the hollow body net weight is compared to a reference characteristic and markings reflective of the critical cross-sectional regions of the blown article are sensed.

Abstract: A tablet determining method and an apparatus therefor capable of accurately determining ingredients of a multi-layer tablet without breaking the tablet. A multi-layer tablet is lighted from light sources, an area of the side surface of the tablet on which a boundary line between the layers appears is detected by image processing, an area of the side surface of at least one of the layers of the tablet which are separated by the boundary line is detected by image processing, and data obtained by the image processing and data on the total weight of the tablet are used for determining the layer by processing.

Abstract: A material supplying apparatus for a powder molding machine including a press table, a charger frame movable to reciprocate on the press table, a device for reciprocating the charger frame, a material inputting device provided on the charger frame into which a powder material is supplied, a scaling device for previously scaling the powder material to a predetermined weight, the device for scaling including a load cell, and rotary blades attached to a vertical shaft positioned in order to stir the material supplied to the material inputting device. The reciprocating device for the charger frame coupled to the material inputting device comprises a first cylinder which is reciprocated on the press table. A shutter plate is arranged between the material inputting device and the table in slide contact with both the material inputting device and the table through dust seals for opening and closing openings of the material inputting device.

Abstract: An apparatus for manufacturing a multielement sintered material is provided, more particularly an appartus of the automated type which weighs and mixes predetermined amounts of powdery elements, molds the mixed elements and then sinters them.

Abstract: An apparatus for supplying a resin material to molds of a resin press molding machine includes a supply cylinder for supplying the resin material to the molds, resin material charge hopper mounted to the supply cylinder, a plunger for extruding the resin material within the supply cylinder, a drive device for moving forward and backward the plunger in an axial direction, an opening and closing device for opening and closing an opening of a fore end of the supply cylinder, and a die positioned between the opening and closing device and the molds to form the resin material into a predetermined shape.

Abstract: An apparatus and process for manufacturing insulation for metallic rod which includes a mechanism for housing a plurality of ingredients, scales for weighing a predetermined quantity of each ingredient, a blender for blending predetermined amounts of each ingredient into one material, a mixer to mix the dry blend of ingredients, a mill to form the blended material into strips, a dicer to transform the strips into pellets of insulation, an extruder for placing insulation around the metallic rod, a conveyor to transport the ingredients and/or material between each of the above steps, a controller for outputting commands to the blender and receiving inputs from the scales to obtain the predetermined amount of each ingredient, and a computer for verifying that the correct amount of each ingredient has been obtained. The ingredients used in the manufacture of this insulation material include plasticizers, fillers, a resin, and modifiers.

Abstract: An apparatus for continuously producing a dough strip of substantially uniform dimensions is provided. The apparatus (2) comprises a hopper (4) having a divider (8) at its bottom, a conveyor (10) with a weighing device (12), a transfer conveyor (13), a thickness defining device (24) mounted on the transfer conveyor (13) and the width defining members (26) between the transfer conveyor (13) and the thickness defining device (24). In this apparatus, the dough portions supplied from the hopper (4) are weighed and supplied onto the transfer conveyor (13) one after another. By regulating the width and thickness of the dough, the length of the dough is made to be proportional to its weight. Thus the dough portion is supplied onto the transfer conveyor when it has conveyed the preceding dough portion a distance proportional to the weight thereof. The dough portions are connected to each other to make a dough strip when they pass through the thickness defining device (24) and the width defining members (26).

Abstract: A material feed system provided with a plurality of injection molding machines. A filling station is provided and has a resin tank in which resin material is stored, a container to which the resin material is fed from the resin tank, and a coupling device for coupling the resin tank and the container on demand. A carrier having a clamping mechanism runs along a track which is laid so as to pass over the injection molding machines and the filling station. The coupling device is controlled by a control unit. The control unit also controls the movement of the carrier to thereby transport the container by the use of the clamping mechanism and to feed the resin material from the container to the injection molding machines.

Abstract: An apparatus for producing composite food having a controlled composition is provided. In this apparatus, a plurality of supply means (3, 11) for supplying materials, a conveyor (7) for conveying the materials, a plurality of measuring devices (5, 13) at each of the supply means (3, 11) and a selecting device (17) for eliminating poor products are provided, and the materials are put together on the conveyor (7) resulting in a composite food mass.The quantity of each material per unit time is measured by the measuring means (5, 13), and ratios of the materials of the composite food mass are computed based on the quantity data. When the portions are cut into separate products, poor products are removed by the selecting means (17) based on the data from the comparison of the ratios of the materials of each portion with the reference ratios.

Abstract: In a method of operating a screw extruder having a drive motor in which the speed of rotation of the drive motor is controlled, in order to achieve as constant a quality of product as possible, the speed of rotation is controlled depending on the specific energy input in such a manner that the specific energy input is maintained substantially constant. A control depending on the product temperature may advantageously be superimposed on the control keeping the specific energy constant in the form of a cascade control. A screw extruder for carrying out the method has a housing in which a screw is mounted, a drive motor having a variable speed for continuously driving the screw, feed devices for supplying basic products, additives and the like, and a control device for controlling the speed of rotation of the screw.

Abstract: A system for molding elongated ribbon-like products from thermoplastic materials utilizing a plurality of molds which are moved in tandem along a production line. As the molds are moved along the line at successive stations they are, while open, thermally adjusted to a temperature suitable for forming the product to be molded and then a ribbon of plastic is deposited in them. They are then closed and cooled and reopened and the molded product removed. The system utilizes only enough molding pressure to assure distribution of the plastic to all parts of the mold cavity and shaping of the molded product to the geometric design of the mold. The system includes a transfer means for the molds which returns the emptied molds for recycling through the molding process.

Abstract: An extrusion process is controlled by feeding the material to be extruded from a supply station (5) to an extruder (1) and repeatedly weighing the supply station to calculate the throughput of the extruder. The initial line speed necessary to produce a predetermined weight/meter of extrudate is calculated and the line speed is adjusted accordingly. Subsequently, the throughput and the line speed are increased simultaneously, such that the weight/meter is maintained substantially constant until any one of a plurality of parameters such as line speed, screw speed, motor load current, extrudate temperature, melt pressure, etc reaches a predetermined maximum value. Thereafter either the line speed or extruder throughput is adjusted such as to maintain the weight/meter of the extrudate substantially constant at the desired value.

Abstract: An installation for manufacturing reinforced concrete elements, in particular prestressed concrete slabs or pre-slabs, by means of a bench including a manufacturing area of predetermined shape, together with a molding apparatus. Memory means (46) are provided for storing building data relating to the elements to be manufactured and concerning at least the geometry thereof, together with tracing means (48) for marking on the manufacturing area (16) the locations of at least some of the walls placed thereon and constituting portions of the molding apparatus.

Abstract: A portable apparatus for handling cheese, including a base and a turntable mounted on the base. The turntable has cutout recesses in the periphery thereof for moving molds in a circular locus. A platform is provided on the base for supporting the molds as they are being moved in a circular locus. The base includes stations. A filling and weighing station is provided on the base whereby curd is filled into the molds and weighed to a predetermined level. A compacting station is also provided on the base whereby the curd in the molds will be pressed to remove the air therefrom and packs the cheese within the molds. The recesses and the turntable are in registry with the stations on the base.

Abstract: Apparatus for obtaining a predeterminable distribution of weight per unit area in the transverse direction of a mat formed on a movable support for the manufacture of chip board, fiber board and similar boards is described by means of which fluctuations of the raw material composition and fluctuations of the chip geometry can be compensated for, having regard to the retention of a desired distribution of weight per unit area, by varying the thickness of the pre-mat or mat, or, in the case of a mat which is built up of a plurality of layers, of at least one of the mat layers, at least region by region, by mechanical action over the width of the mat in dependence on a desired distribution of the weight per unit area over the width of the pre-mat, or of the mat or of the mat layer.

Abstract: An apparatus and method for quantifying the flow rate of dough by controlling the speed of a feed conveyor when the dough is transferred from the feed conveyor onto a constant-speed conveyor. Dough is weighed and the movement of the feed conveyor is controlled at a speed inversely proportional to the weighed measurements, whereby the dough is stretched or compressed cooperatively with two pressing means to make constant the weight of dough per unit length.

Abstract: A system and method for the control of the density of extruded foam controls foaming based on the volume per unit time of extrudate being formed. A gear pump controls the flow of melt to the die. The pump speed provides an accurate measure of the volume per unit time of melt moving to the die. The speed and cross-sectional dimensions of the extrudate are measured to determine the volume per unit time of the extrudate. Since the unfoamed melt density times the volume per unit time of the unfoamed melt being delivered to the die is equal to the density of the foamed extrudate times its volume per unit time, a ratio of the density of foamed extrudate to unfoamed melt can be determined from the two volume per unit time calculations. Once the ratio for an appropriate foam density is determined empirically, density-affecting characteristics of the extruder can be controlled to bring the calculated ratio towards the desired ratio.

Abstract: An apparatus and method for continuously producing at a constant flow rate a strip of dough of constant dimensions by controlling the speed of a feed conveyor assembly when the dough is transferred from it onto a constant-speed conveyor. Dough is weighed and fed at speeds inversely proportional to the weighed measurements and the transferred dough is defined by a cooperative action of two constant-speed conveyors, defining members and a roller mechanism to define the dimensions of the dough strip.

Abstract: A fixed quantity feed apparatus which includes a feeding device for shaping various kinds of articles such as bean sprouts, various cut vegetables, spaghetti and noodles, into the form of belt and conveying them, a weighing device for detecting that the articles which are being conveyed by the feeding device have reached a predetermined weight, and a dividing-feeding device for splitting up the belt-shaped articles when the weighing device has detected the predetermined weight, wherein the articles are divided by the fixed weight and fed to a packing device or the like, while they are continuously conveyed.

Abstract: Method and apparatus are provided for equalizing the density distribution of pressed wood panels manufactured from adhesive coated bulk material. A bottom belt hopper has an outlet, the width of which is identical with the spreading width for the pressed wood panels being manufactured. Devices installed below the bottom belt hopper transport the bulk material as adhesive coated chip material onto a forming belt. Density deviations existing in the bulk material when it is removed from the bottom belt hopper are determined and correspondingly eliminated. If required, a density profile for a finished pressed wood panel is provided when the bulk material is taken from the bottom belt hopper.

Abstract: A method and apparatus for controlling the average thickness (T.sub.1) of a film lamina of thermoplastic, dielectric material having a known density (D.sub.1) and coextruded at a variable extrusion rate with a foam lamina of similar thermoplastic material having a thickness (T.sub.2) and the density of (D.sub.2) to form a thermoplastic laminate is disclosed. The apparatus comprises a first gauge for sensing the thickness of the laminate and for providing a caliper signal (C) corresponding to the thickness sensed and a second gauge for sensing the mass/unit-area of the laminate and for providing a mass signal (M) corresponding to the mass/unit-area sensed. The apparatus further comprises a third gauge for sensing a response to the dielectric material and its distribution in the laminate and for providing a dielectric signal (W) corresponding to the response sensed.

Abstract: Method of regulating the throughput of a roll press having press rollers, a variable-speed drive motor for said press rollers and a feed device having a controllable throughput. Both the speed of the drive motor and also the throughput of the feed device are regulated automatically in two control modes which succeed one another from time to time. During the first control mode, under nominal loading, the roller speed is increased until the actual loading falls below the nominal loading; at less than the nominal loading the feed throughput is increased until the nominal loading has been attained, and after a condition has been reached in which the nominal loading has not been attained by increasing the throughput, the regulation is changed over to the second control mode.

Abstract: An apparatus for molding a concrete pipe in which a belt conveyor runs parallel to the axis of a molding flask and is adapted to longitudinally move in the molding flask within the range between both ends of the molding flask. The belt conveyor is subjected to intermittent longitudinal movement at a fixed traveling distance in response to a prescribed degree of compactedness of concrete attained in each position where the belt conveyor stops.

Abstract: The present invention is concerned with regulation of evolutive pulp. It offers a regulation process and mechanism, said mechanism including an elastic shape-changing pneumatic valve, valve opening control means, and modulating means causing a variation of said valve opening either way from an opening setting achieved through control means. The present invention can be applied to a continuous process for mixing plaster.

Abstract: A control for controlling the level in one of two tanks used in a ceramic hot molding machine which requires transfer of a ceramic slurry from one tank to the other in a continuous molding process. More particularly the present invention relates to an apparatus which automatically shuts off the transfer process when the working tank is filled a predetermined amount.

Abstract: Capacitance unbalance-to-ground between conductors of a twisted pair, each of which may be insulated with at least a layer of cellular plastic insulation, is maintained within acceptable limits by controlling the extrusion of the insulation to maintain the measured coaxial capacitance and associated outside diameter of the insulated conductors within a range of values which correspond to acceptable capacitance unbalance-to-ground values.

Abstract: A method and apparatus are provided for shredding and dry-defibrating compressed cellulose pulp, and depositing the resulting fibrous material on a foraminous support to form a batt of relatively uniform density while controlling the feed of cellulose pulp material through the shredding and dry-defibrating operations to the foraminous support according to the output rate of the batt-forming operation, to ensure a relatively uniform density in the batt withdrawn from the foraminous support.

Abstract: A device for controlling and regulating the amount of product to be poured into the moulds of forming machines for chocolate and similar products, in which the conveyor belt carrying the filled moulds is fitted with a balance for weighing each single filled mould and for comparing the effective weight of the filled mould with a preset rated weight, the said balance being connected with a regulation mechanism for increasing or decreasing the quantity of chocolate or similar to be poured.