Abstract: Process and apparatus for the quality control of individual, one-piece receptacles, which are open at one end. The individual, one-piece receptacles are preferably aligned, in several groups, side by side, similarly with respect to their spatial orientation. The receptacles are turned over to a conveyor line where they pass through at least one testing station at which measurement results specific to each type of receptacle are obtained. The analysis of these results indicates the structural integrity and accuracy of shape of the respective receptacle. The receptacles, as a function of the receptacle-specific measurement results, are removed from the conveyor line if defective; and only the structurally integral and shape-accurate acceptable receptacles are stacked and further advanced as a stack.

Abstract: Baking tongs for producing edible wafers from wafer dough in a wafer baking oven or an automatic wafer baking machine consist of a wafer baking mold comprising baking mold parts in respective tong parts which are moved toward each other and away from each other in order to open and close the wafer baking mold. For a rigid interlocking of the two tong parts when the wafer baking mold is closed, the tong parts are provided with cooperating closure sections. The closure section of one tong part is provided with a rigid locking pin, which protrudes from the inside surface of that closure section. The closure section of the other tong part is formed with a through opening, which constitutes a passage for the locking pin, and is provided with a hook which is engageable with the locking pin. The hook is pivoted on the outside of the closure section and has an engaging surface for engaging an engaging surface of the locking pin. The hook is provided with an actuating element for pivotally moving the hook.

Abstract: A baking or roasting oven is provided with a transfer apparatus by which the pieces of edible material which is to be roasted, such as slices of white bread, soft wafers, etc., are fed into the oven and the roasted toasts are removed from the oven. The oven comprises an endless chain of hinged tongs, which can be opened and closed and are adapted to hold the pieces of edible material which are to be roasted. The chain of tongs moves in the oven in two superimposed planes. A transfer station is provided adjacent to the upper plane in which the upper course of the chain of tongs extends. The tongs move in an open position through that transfer station, which contains two sets of drums, which are closely spaced one behind the other in the direction of travel of the upper course of the chain of tongs and are disposed above the bottom plates of the open tongs of said upper course.

Abstract: Process and apparatus for the quality control of individual, one-piece receptacles, which are open at one end. The individual, one-piece receptacles are preferably aligned, in several groups, side by side, similarly with respect to their spatial orientation. The receptacles are turned over to a conveyor line where they pass through at least one testing station at which measurement results specific to each type of receptacle are obtained. The analysis of these results indicates the structural integrity and accuracy of shape of the respective receptacle. The receptacles, as a function of the receptacle-specific measurement results, are removed from the conveyor line if defective; and only the structurally integral and shape-accurate acdeptable receptacles are stacked and further advanced as a stack.

Abstract: Process and apparatus for the quality control of individual, one-piece receptacles, which are open at one end. The individual, one-piece receptacles are preferably aligned, in several groups, side by side, similarly with respect to their spatial orientation. The receptacles are turned over to a conveyor line where they pass through at least one testing station at which measurement results specific to each type of receptacle are obtained. The analysis of these results indicates the structural integrity and accuracy of shape of the respective receptacle. The receptacles, as a function of the receptacle-specific measurement results, are removed from the conveyor line if defective; and only the structurally integral and shape-accurate acceptable receptables are stacked and further advanced as a stack.

Abstract: An edible food container is provided with two different fatty coating layers including a top glaze that is free of sugar. A prima coat has a higher setting temperature than the top glaze. Hydrophobicity increases from the prime coat to the top glaze. Solids can be added to the top glaze and the container can be made from a sugar free baked dough. Other variations are also disclosed.

Abstract: An apparatus for operating the locks of wafer baking tongs, which revolve in a wafer baking oven and move past the stationary operating apparatus, which is mounted in the wafer baking oven, comprises a movable closing element, which is engageable with the actuating member of the lock to lock the latter. It is proposed to provide an unlocking element, which is engageable with the actuating member to unlock a lock which has not entirely been locked. An actuator is provided for moving the unlocking element into engagement with the actuating member when the closing element has been pushed back a predetermined distance from its operative position by the actuating member when the lock has not entirely been locked.

Abstract: The surfaces of particulate adsorbents are consolidated by a process in which the adsorbent is impregnated with a cationic aqueous polymer solution and then treated with an anionic aqueous dispersion of a polymer having a softening point of from 60.degree. to 150.degree. C. and the materials are dried together.

Abstract: An apparatus is disclosed for placing wafer pieces into molding depressions of casting molds. The casting molds are continuously conveyed by a conveyor in a direction of travel. The wafer pieces are delivered with upwardly facing top faces to a support plate or a separating device which is spaced above the plane of conveyance for the casting molds and are moved on said support plate or through said separating device in a direction which is opposite to the direction of travel of the molds. A transfer device is provided between the conveyor, on the one hand, and the support plate or the separating device, on the other hand, and is provided with retaining elements for retaining the wafer pieces operable to gradually reverse the wafer pieces until they move upside down in the direction of travel of the casting molds in synchronism therewith and in register with respective ones of said molding recesses.

Abstract: In an apparatus for making a rolled wafer cone from a baked flat wafer blank made from a sugar-containing wafer dough, the baked wafer blank is rolled to form a wafer cone in a winding mold while the wafer blank is still in a soft, deformable state after the baking operation. Thereafter the rolled wafer cone is permitted to harden. In order to ensure the production of wafer cones having consistently exactly the same shape, it is proposed that the wafer cone which is unrestrained at least in part is shortened in the winding mold to a predetermined length while the wafer cone is adapted to be plastically deformed. For this purpose the rolled wafer cone disposed in the winding mold is subjected to a plastic deformation only at one end or only at both ends.

Abstract: When it is desired to single consecutive filled wafer slices, which are advanced with abutting trailing and leading faces, respectively, so that the singled wafer slices are ultimately spaced apart, a separation between consecutive wafer slices is to be effected in time even if the wafer slices are filled with cream so that their filling layers will strongly adhere to each other. This can be ensured in that a transfer device is provided between a feeding conveyor for advancing consecutive wafer slices abutting at their trailing and leading faces, respectively, and a delivering conveyor for advancing the rows of wafer slices on a delivery plane, which is vertically spaced from the feeding plane, on which the wafer slices are advanced by the feeding conveyor, and the transfer device pulls each leading wafer slice from the next succeeding wafer slice and moves the pulled-off wafer slice to the delivery plane.

Abstract: The spacing between laterally closely juxtaposed, parallel, rectilinear rows of wafers filled with a sticky composition is increased by advancing the rows of wafers on a supporting surface in a first direction to entrance portions of guiding passages extending at a second direction angularly diverging from the first direction at a bend. The entrance portions are staggered in the direction of advancement. A rotary disc is associated with the entrance portion of each guiding passage and has an upper portion protruding through a slot in the supporting surface and constituting a guiding face facing the guiding passage, and a shaft is arranged below the supporting surface and rotatably supports the rotary disc. An oiling and/or cleaning device is associated with each rotary disc below the supporting surface for oiling and/or cleaning the guiding face of the rotary disc.

Abstract: In a process of making a rolled wafer cone from a baked flat wafer blank made from a sugar-containing wafer dough, the baked wafer blank is rolled to form a wafer cone in a winding mold while the wafer blank is still in a soft, deformable state after the baking operation. Thereafter the rolled wafer cone is permitted to harden. In order to ensure the production of wafer cones having consistently exactly the same shape, it is proposed that the wafer cone which is unrestrained at least in part is shortened in the winding mold to a predetermined length while the wafer cone is adapted to be plastically deformed. For this purpose the rolled wafer cone disposed in the winding mold is subjected to a plastic deformation only at one end or only at both ends.

Abstract: A spreading head is provided for a wafer sheet coating machine, which comprises a wafer sheet conveyor, which is optionally adapted to be lowered. The spreading head comprises a rotating spreading roller and a sizing device, which cooperates with said spreading roller to control the thickness of a layer of a spreadable composition as it is transferred by said spreading roller. The spreading roller and the sizing device define a lower boundary of a reservoir, which is adapted to hold said spreadable composition and which is laterally defined by platelike elements.

Abstract: Process and apparatus for continuously making an endless wafer laminate which has a uniform width and consists of individual wafer sheet layers and intervening cream layers. In order to increase the production rate of such wafer laminate while maintaining a high quality, the invention teaches that each edge of the wafer sheets for the lowermost wafer sheet layer is registered and the deposition of the wafer sheets for the remaining wafer sheet layers is controlled by the succession of said wafer sheet edges. The butt joints of the wafer sheets in the individual wafer sheet layers are offset relative to each other in the direction of conveyance or are arranged exactly in register. For registering the wafer sheet edges, the edges of consecutive wafer sheets are displaced or pivotally moved relative to each other or pulled apart to form a gap.

Abstract: The apparatus comprises one or more cutting members arranged along a plane of transport for the wafer blocks. The transporting of the wafer blocks is accomplished by one or more endless revolving members carrying a plurality of pressure components. The endless revolving transport members may be mounted either above or below the plane of transport and extend into the plane of transport during movement of the wafer blocks toward and away from the cutting member or members.

Abstract: In a process in which cover sheets and/or coated wafer sheets are joined to form filled wafer blocks, each coated wafer sheet and, if desired, each cover sheet is moved in a stacking location from a lower position to an overlying upper position, the coated upper surface of each coated wafer sheet is joined to the underside of the cover sheet which is in the upper position and which, if desired, has previously been raised to the upper position, or to the underside of the coated wafer sheet which has previously been raised to the upper position, and each complete wafer block consisting of at least two sheets is moved from said upper position out of said stacking location.

Abstract: Apparatus is provided which is used in combination with a machine for coating wafer sheets and serves to form wafer blocks built up in a downward direction. It is desired for avoiding damage to very large wafer sheets as they are assembled to form wafer blocks by means of helical conveyors, which rotate in mutually opposite senses about parallel axes and which move each wafer sheet into engagement with a stop and raise the wafer sheet from a first level to a second, higher level. This is accomplished in that each helical conveyor is provided with at least two helical wire flights, which extend parallel to each other around the axis of rotation of the conveyor. The helical flights of all helical conveyors define a common imaginary surface and support the wafer sheets on said surface. The novel apparatus as well as the wafer sheet coating machine is used in the industrial production of large wafer blocks, which constitute a starting product for the industrial manufacture of slices of wafer blocks.

Abstract: A process for consolidating the surface of a granular adsorbent, wherein thermoplastic crosslinkable bonding fibers are applied from aqueous suspension, the water taken up by the adsorbent is evaporated off and the bonding fibers adhering to the surface of the adsorbent are crosslinked by heating. The adsorbent thus treated has virtually the same adsorption and desorption properties as the untreated adsorbent, but exhibits substantially improved abrasion resistance.

Abstract: A process for consolidating the surface of a granular adsorbent, wherein a water-containing adsorbent, which has taken up 25-70% by weight of the maximum possible amount of water, is heated to a temperature at which the water taken up evaporates, and is at the same time treated with an aqueous dispersion of a self-crosslinking copolymer, and the adsorbent thus coated is heated to a temperature at which the copolymer crosslinks. The coated adsorbent has virtually the same adsorption and desorption properties as the untreated adsorbent, but in contrast exhibits substantially improved abrasion resistance.