Abstract: A method and apparatus for preforming a substantially flat blank of an open clamp adapted to be mechanically interconnected near the free ends thereof into a circular clamp having a configuration at least approximately the configuration of the clamp when installed about an object to be fastened onto a relatively fixed, generally circular part; as the flat blank is being fed through the machine, it is preformed into a generally circular shape with the free ends thereof axially spaced from one another; the pair of rollers feeding the blank may also be so shaped in their external contours that the lateral edges of the blank are bent out in the generally radial direction; additionally the blank is automatically stopped after an initial short feed through the machine to permit stamping of a predetermined part of the flat blank; the entire operation which is preferably pneumatically controlled is thereby automatically cyclically operated as soon as a flat blank is inserted into the machine a predetermined distance.

Abstract: A clamp structure with a clamping band having open ends and a mechanical interconnection of the open ends of the band that include at least two outwardly extending hooks in the inner band portion adapted to engage in apertures in the outer band portion; at least one of the hooks is a cold-deformed support hook and another one of the hooks is a generally circumferentially extending combined guide and support hook which has an inclined guide and support surface operable to initially engage with the corresponding aperture in the outer band portion so as to guide the inner and outer band portions toward one another while at the same time absorbing circumferentially directed tightening forces until the cold-deformed support hook becomes effective in also absorbing tightening forces by engagement of its abutment surface with the corresponding aperture.

Abstract: FIG. 2 illustrates a process and an apparatus for controlling a controllable magnitude as well as the use of the process, especially for controlling the throughput of pourable or flowable material (grain or water) in a flour mill. In this connection, a servo drive, constructed as a fluidic pressure drive (5', V'), is provided for controlling a servo element. The deviation, measured by a comparator (1'), is supplied to a discriminator (10), which then gives off a first discrimination signal (+U.sub.F, -U.sub.F) when the deviation has reached a first (lower) or second (upper) threshold value, the two threshold values lying within a range of small deviations about zero. In this range of small deviations, the pressure drive (5') is acted upon by transient micropressures (rapid pressure fluctuations with small peak values), the reversal points of the microfluctuations depending on the two aforementioned threshold values.

Abstract: A process and apparatus are disclosed for continuously determining the moisture content of a spoilable foodstuff, in particular, of grain and processed products of the latter, which is moved along a production line as a product stream and passed, at least in part, through a measuring section of a housing in accordance with the process, a pourable average of the product stream is created continuously within the measuring section, and the product moisture content of this product average is measured electrically on a continuous basis. In accordance with the device, the measuring housing has a capacitor as a continuous-flow measuring section and a device for continuously controlling the creation of a pourable product average. One of the central concepts of the invention is found in the interaction of the following factors: --continuous creation of a product average, continuous trickling-type flow of the product, with simultaneous electrical measurement on a continuous basis.

Abstract: A coupling for lines carrying gas under pressure in which a tubularly shaped male member is adapted to be inserted into a bore of a sleeve-like female member containing a valve assembly automatically opened upon insertion of the tubularly shaped male member. The tubularly shaped male member which is provided with an annular groove is held in its inserted position by a locking mechanism in the sleeve-like female member which consists of a latching member, a ring-like member surrounding the sleeve-like female member and a spring between the latching member and the ring-like member. For purposes of releasing the locking action of the latching member which is operable to engage in the annular groove by movement in a milled-in recess, the ring-like member is provided with an inwardly projecting actuating element.

Abstract: The invention addresses a new process for determination of characteristic quantities, particularly the moisture content, of a pourable food moving along a product line, particularly grain and its processing products. In this process the good is passed through the electric field of a condenser assembly, a magnitude associable with the capacity of the condenser assembly is measured, and this magnitude is converted into the desired characteristic quantity. The invention further addresses an apparatus to carry out the new process, which includes a first assembly to pass the good through a condenser assembly, a second assembly for measurement of a magnitude associable with the condenser assembly, and a conversion mechanism for conversion of the measured magnitude into the desired characteristic value.

Abstract: A hose clamp with a clamping band having two ends which are drawn together by a screw-type mechanism that includes a first band-tightening member secured near one band end, a second band-tightening member secured near the other band end, and a screw member for drawing together the first and second members; one of these band-tightening members is thereby securely held in place by an end portion of the clamping band externally bent back upon itself and secured to the underlying band portion while the other member is retained by a separate band part which is also externally bent back upon itself with the outer bent-back end portion secured to the underlying band portion of the separate part while the latter is secured to the clamping band itself; to assure a stepless internal configuration of the clamping surfaces of the clamping band, the inner end of the clamping band terminates in a tongue-like extension adapted to engage in a groove-like indentation provided near the other end of the clamping band.

Abstract: A process and apparatus are disclosed for continuously determining the moisture content of a spoilable grain product which is moved along a processing line as a product stream and passed, at least in part, downwardly through a measuring section of a housing in accordance with the process, a pourable average of the product stream is created continuously within the measuring section, and the product moisture content of this product average is measured electrically on a continuous basis. In accordance with the device, the measuring housing has a capacitor as a continuous-flow measuring section and a device for continuously controlling the creation of a pourable product average.

Abstract: A clamp structure especially for use in applications in which space conditions do not permit any projecting parts such as plastically deformable ears, and in which outwardly extending hooks adapted to engage in apertures are used to mechanically interconnect the clamp structure; to enable tightening of the band about an object to be fastened, cold-deformed pressed-out embossments are provided in inner and outer band portions, which extend generally in the circumferential direction so that each pressed-out embossment remains integral at least on both sides thereof, where the tool-engaging surfaces thereof are able to withstand very large tightening forces in the circumferential direction which permit a secure tightening of the clamp structure.

Abstract: The invention concerns a process and a device for optimizing delivery conditions, specifically in a mill suction pneumatic system in which, as a rule, a large number of conveyor lines are connected to a common manifold or to a fan. Cyclone separators are employed for each individual conveyor line, and the air pressure across the cyclone is regulated to an essentially constant value through automatic adjustment of a slide valve after the cyclone. The opening movement of the slide valve is preferably effected more rapidly than the closing movement.This regulation avoids instabilities in the conveyance and increases its operational safety and economic efficiency.

Abstract: A separating contrivance for separating cereals and similar grain product into at least three grain fractions and heavier impurities comprises two air-penetrable fluidized bed tables (2, 3) arranged one over the other and supported in fashion capable of being oscillated in relation to a frame, with a product inlet (9) leading to the upper fluidized bed table. At one end of the contrivance, and spaced away from the inlet (9), the upper fluidized bed table (2) is provided with outlets (10, 18) for the light and medium heavy grain fractions, while the lower fluidized bed table (3) includes outlet (27) for the heavy grain fraction. Adjoining the other end of the lower fluidized bed table (3) is an outlet (16) for the heavy impurities such as stones and the like. In order to achieve a practically complete sorting of the heavy impurities, provision is made so that the two fluidized bed tables (2, 3) are supported independently of one another and are driven by separate oscillating drives (7, 25).

Abstract: The invention describes a new type of automation for a roller carriage. The amount of product conveyed to the roller carriage is constantly subject to fluctuations, and is determined by a mechanical probe. A corresponding signal directly activates a pneumatic valve, and control pressure adjusts the instantaneous performance of the grinding rolls. The pneumatic valve has a so-called zero position, and becomes a follower control device by means of servo-media and the adjusting mechanism of the performance-dependent elements in the roller carriage. At the same time, the control pressure in the pneumatic valve can start and stop the grinding rolls.

Abstract: A method and apparatus for manufacturing, handling and installing hose clamps pursuant to which the clamp structures are stamped out as flat blanks, are shipped as flat blanks to the user where they are preformed into an ideal shape for assembly about the object to be fastened by bending the free ends of the clamp in mutually opposite directions.

Abstract: A coupling with a latching mechanism for holding a nipple inserted into the coupling member in its connected position by engaging with a shoulder surface of the nipple; a safety locking mechanism in the coupling member includes a locking member that is in its operable position before the latching mechanism releases the nipple so that the shoulder surface is securely pressed against the locking member by the back pressure in the line until the back pressure decreases to a safe level; the latching mechanism and safety locking mechanism thereby include each a spring of such strength that the spring of the latching mechanism will overcome the spring of the safety locking mechanism when the back pressure has substantially decreased so as to automatically release the nipple for complete disengagement.

Abstract: An arrangement for locking a male connecting member adapted to be inserted into a bore of a coupling member in which the female coupling member is provided with two cutouts generally at right angle to each other, of which one breaks through a portion of the wall forming the bore; a locking member of sheet-metal material is loosely inserted into the one cutout whereupon a spring is loosely placed over the locking member to urge the locking member inwardly, and a cap-like member is mounted over the female coupling member which covers externally the cutouts and holds the spring in place in prestressed condition.

Abstract: A clamp structure with a clamping band and with at least one plastically deformable so-called "Oetiker" ear to be contracted to tighten the clamp structure about the object to be fastened; to assure a substantially smooth, gap-free transition in the circumferential direction within the area of overlap, for example, of an inner and outer band portion in the area of mechanical interlock or of an insert member and corresponding parts of the clamping band, a tongue portion is provided at each free end of the inner part which is adapted to engage in a corresponding aperture in the respective outer part when the ear is contracted.

Abstract: An insert ring for use with a hose clamp of the type provided with a circumferential band portion and with at least one ear projecting outwardly from the band and adapted to be deformed so as to tighten the clamp about the object to be fastened; the insert ring is so constructed and arranged as to prevent the portion of the insert ring underneath a respective ear from escaping outwardly into the opening within the area underneath the ear during contraction of the latter to thereby prevent any leakage within that area of the ear.

Abstract: A method and apparatus for the cyclical counter-scavenging of filter hoses, particularly the control thereof, is disclosed. According to the present invention, the counter-scavenging of filter hoses is accomplished by gas blasts whose timing and duration are controlled by a fluid control apparatus. The fluid control apparatus consists of a drum distributor having an arm whose position controls the timing of the counter-scavenging blasts, and a valve whose activation controls the duration of the counter-scavenging blasts. The drum distributor and the valve are independently controllable by an electronic circuit including timing signals and control circuitry receiving the timing signals and converting these signals into activating signals for the drum distributor and the valve.

Abstract: A clamp structure with a clamping band having open ends adapted to be mechanically interconnected by outwardly extending hooks in an inner band portion operable to engage in corresponding apertures provided in an outer band portion; at least one plastically deformable ear is provided in the clamp structure for tightening the clamping band about an object to be fastened by plastic deformation of the ear; a substantially gap-free transition in the circumferential direction from the inner band portion to the ring-like configuration of the clamp structure defined by the clamping band is obtained by the use of a tongue-like extension at the free end of the inner band portion which is operable to engage into a tongue-receiving aperture or channel provided in the outer band portion.

Abstract: A clamp structure for clamping a hose-like member onto a circular support and capable of contraction from a larger to a smaller diametric dimension without loss of the circular configuration and without any internal projections, especially for use with relatively harder and thinner hose-like materials, in which the area underneath the ear is covered off during contraction to prevent leakage thereat and in which the open ends of the band can move relative to one another to change from the larger to the smaller diametric dimension while retaining a circular configuration where in engagement with the hose-like member.