Abstract: A process for producing an object made from plastic material with a mesh structure, wherein the mesh structure is deformed in at least one defined area, in such a manner that the original mesh structure of the area is eliminated and an essentially continuous structure and information can be introduced in this area.

Abstract: A process for producing an object made from plastic material with a mesh structure, wherein the mesh structure is deformed in at least one defined area, in such a manner that the original mesh structure of the area is eliminated and an essentially continuous structure and information can be introduced in this area.

Abstract: The invention relates to a core (10) for a spinning bobbin and for receiving a windable material. The core (10) consists of wound strip material (11). Adjacently lying portions of the strip material (11) overlap one another. Production is performed by winding on a winding mandrel (14).

Abstract: Contact-filter block (10) for the construction of trickling filters or rotating disc filters such as those used for the biological treatment of waste waters. The tube sections (11) of which the contact-filter block (10) is made up have an outside surface (12) structured in a net-like manner, the outside surfaces of the tube sections (11) being joined by joints (13) to avoid constrictions in the clear cross section of the tube sections (11).

Abstract: Disclosed is a net (10), especially a spacing net, surface protection net or the like, in which the strands (14, 15, 16) are arranged in three planes (11, 12, 13), and in which the strands (15, 16) of two planes (11, 13) are oriented equidirectionally. As a result, a sufficient thickness of the net (10) can be ensured with a small cross section of the individual strands (14, 15, 16), which keeps the expenditure of material down to a minimum. Because the parallel strands (outer strands 15, 16) of the different outer planes (11, 13) are offset to one another in the direction of the inner strands (14), the intermediate strands (inner strands 14) can be deformed elastically, which results in very good padding properties and thickness variation properties of the net (10).

Abstract: In order to further develop a disc cutter machine, in particular for cutting sugar beet, which is provided with a machine frame, a disc cutter having passages for the cut material, and blade receivers arranged in the region of the passages, in such manner that with the same disc cutter diameter a higher cutting output can be achieved, the blade receivers (18) are mounted on the flat upper surface (16) of the disc cutter (12) and the disc cutter is formed in the region of the blade receivers of radially extending and uniformly spaced inclined ribs (14).

Abstract: In order to provide a method and a disc cutter machine for carrying out the method with which the previously strenuous blade receiver exchange is simplified and facilitated, it is provided that the blade receiver (8) to be exchanged is tilted up by means of a tilting arrangement (19) with its end facing the outer side of the disc cutter, received by a guide (27) and drawn out substantially in the radial direction along the guide from the region of the disc cutter (6) and then the new blade receiver is inserted along the guide into the disc cutter.

Abstract: The cutting comprises a drive disc, over whose periphery detachable secured rods 12, preferably having a square cross-section, are distributed at equal spacings and are aligned parallel to the drum axis. Between each pair of adjacent rods a blade box 42 is inserted which bears all replaceable wearing parts 56, 74, 80, these being directed into the drum interior. In operation each blade box rests againt the rods, owing to plane surface contact when these rods have a polygonal or, preferably, square cross-section.

Abstract: In a vessel (1), several mutually parallel evaporator tubes (2) are arranged which, on their outside, are surrounded by heating steam introduced into the interior (1a) of the vessel. A coaxial displacement body (3) is arranged in the interior of the evaporator tubes (2). A gap (5) is formed between the displacement body (103) and the surrounding evaporator tube (2). The displacement bodies (3) are fixed to a bottom (6) which is demountably joined to the vessel (1). The displacement bodies (3) can be removed by removing the bottom (6). The pre-evaporated product, introduced from below and leaving the evaporator tubes (2) at the top, is passed to a vapor-release vessel (11) in which a separation of vapors and concentrate takes place. Each displacement body (3) is formed by a rifled tube which has been provided by deformation with at least one spirally running recess (4). The product flows through both the gap (5) and this recess (4).

Abstract: In the production of a glass vessel (such as a goblet) comprising a receptacle part (e.g. a goblet bowl) and a stand part (e.g. a stem with a base plate), the receptacle part is formed by pressing in successive moulds carried by a rotary table and the stand part is formed by injection moulding, being simultaneously united to the receptacle part. In carrying the invention into effect the mould for the receptacle part is charged from a feeder in free drop fall; the table is then rotated to bring the pressed receptacle part into register with an injection mould for the stand part, and an injection device, of which the injection mould forms part, is charged from the same feeder by way of a drop guide channel.

Abstract: Apparatus for producing a homogeneous, chemically reactive system of a starting material of highly viscous or pasty consistency, and at least one further reaction partner which is added to the starting material to chemically treat the starting material. The apparatus includes a substantially vertically oriented vessel having a cylindrical interior side wall and a frontal face at the top of the vessel. An inlet opening is provided for the starting material to be treated and an inlet opening is provided for each of the other reaction partners. The inlet openings are disposed in the frontal face of the vessel, are arranged in close juxtaposition when seen in the circumferential direction, and are in the vicinity of the interior wall of the vessel. A driven rotor, studded with a plurality of blades, is coaxially arranged in the interior of said vessel. The rotor has a first ring of blades which is arranged so that it scrapes over the openings of the inlet openings in the form of a knife edge.

Abstract: The invention relates to a milling device for producing cutting chamfers on knives provided with roof-shaped cutting edges, preferably Koenigsfeld knives, which milling device comprises a milling arbor; a milling tool clamped thereon, the milling tool having cutting edges which are adapted to the cutting chamfers which are to be produced on the roof-shaped cutting edges of the knives; and at least one further milling tool mounted on the milling arbor so as to be non-rotatable relative thereto but movable to a limited extent in the axial direction of the milling tool; and wherein protrusions and recesses are formed in the mutually facing sides of the two milling tools at least in the region of their cutting edges, and the protrusions on one milling tool extend into the recesses in the other milling tool for the purpose of producing alternating overlapping of the cutting edges of the milling tools.