Abstract: The disclosure relates to a panel comprising: a panel body extending in a longitudinal direction and a transverse direction; a retaining groove extending in the transverse direction in an end short side of the panel body; and a locking element which is inserted in the retaining groove substantially immovably, wherein, for an extension bo of the retaining groove in the transverse direction relative to a nominal width B of the panel body between a first edge extending in the longitudinal direction and a second edge of the panel body extending in the longitudinal direction, the following applies: 0.50?b0/B?0.97, in particular 0.75?b0/B?0.95, preferably 0.85?B0/B?0.93 and particularly preferably b0/B=0.90±0.02. An unbreakable and leak-proof panel having good and material-friendly locking is made possible by the retaining groove which extends over only a large portion of the short side and by the locking element immovably received in the retaining groove.

Abstract: A panel including a core, a top side, an underside, a first edge pair and a second edge pair. The first edge pair has a groove profile at a panel edge and a complementary tongue profile at the opposite panel edge, which are lockable by a pivotal movement so that in the locked state vertical locking is achieved and movement of locked panels away from each other in the plane of the panels is opposed. At its opposite panel edges the second edge pair has a receiving hook and a complementary arresting hook. The arresting hook can be assembled to the receiving hook by a joining movement in a plane perpendicular to the panel plane simultaneously by the pivotal movement for the first edge pair. The receiving hook or the arresting hook has a holding groove for a separate locking element that provides vertical locking. A butting surface and a counterpart butting surface are provided at least at the second edge pair.

Abstract: The present disclosure relates to a method for producing a panel having a sealed panel edge, comprising at least the method steps of: providing a raw panel comprising a panel upper face, a panel lower face and at least one pair of panel edges lying opposite each other, the raw panel having a carrier plate core and a print substrate layer, which is applied to the panel upper face; forming a chamfer between at least one panel edge of the pair of panel edges lying opposite each other and the panel upper face; sealing the at least one panel edge, the sealing comprising impregnation with an impregnating agent, the impregnating agent being applied to the at least one panel edge and to the chamfer.

Abstract: A panel including a core, a top side, an underside, a first edge pair and a second edge pair. The first edge pair has a groove profile at a panel edge and a complementary tongue profile at the opposite panel edge, which are lockable by a pivotal movement and positively lock so that movement of locked panels away from each other in the plane of the panels is opposed. At its opposite panel edges the second edge pair has a complementary receiving hook and an arresting hook. The arresting hook is assembled to the receiving hook by a joining movement in a plane perpendicular to the panel plane by the pivotal movement for the first edge pair. The receiving hook or the arresting hook has a holding groove for a separate locking element that provides vertical locking. A butting surface is arranged at the receiving hook substantially orthogonal to the top side. The arresting hook has a counterpart butting surface substantially orthogonal to the top side.

Abstract: A panel having a panel surface and an edge pair of mutually opposite complementary panel edges provided with complementary locking elements. The complementary locking elements are configured such that, when two panels are assembled, both a locking action of the panel edges in a direction perpendicular to the panel surface and a locking action preventing the panels from moving apart is achieved underneath a visible joint by the assembled complementary locking elements. The panel edges with the locking elements have an upper portion and a lower portion, relative to thickness of the panel. The locking elements are arranged and configured in the lower portion. The upper portion forms the upper joint region, including the visible part of the joint. The upper portion on each panel edge of the edge pair has a chamfer which, when two panels are assembled, forms a depressed joint. The chamfers of the complementary panel edges are different sizes in the upper portion.

Abstract: A method for producing panels having an upper usable surface and locking profiles for mechanical locking of similar panels to one another, wherein recesses are provided on at least two edge regions lying opposite one another, and the recesses of two similar panels locked to one another form a mutual joint can include dividing a half-form, which includes a plurality of panel blanks with at least two grooves forming the recesses into multiple half-form parts. The type/position of at least one identification mark of the half-form parts can be detected. The half-form parts and a processing tool can be aligned to one another according to the detected type/position of the identification mark. A locking profile can be machined from the half-form parts by the processing device on at least one side of the half form parts.

Abstract: A method for producing panels having an upper usable surface and locking profiles for mechanical locking of similar panels to one another, wherein recesses are provided on at least two edge regions lying opposite one another, and the recesses of two similar panels locked to one another form a mutual joint can include dividing a half-form, which includes a plurality of panel blanks with at least two grooves forming the recesses into multiple half-form parts. The type/position of at least one identification mark of the half-form parts can be detected. The half-form parts and a processing tool can be aligned to one another according to the detected type/position of the identification mark. A locking profile can be machined from the half-form parts by the processing device on at least one side of the half form parts.

Abstract: An apparatus, for separating liquid droplets out of a feed gas stream, includes a delay vessel for preliminary separation of some of the liquid droplets out of the feed gas stream under gravity, with an inlet line for the feed gas stream and an outlet line for the gas stream which has been depleted of liquid droplets and which flows out of the delay vessel and a tangential supply thereof into a centrifugal droplet separator. The outlet line is arranged in the upper region of the delay vessel and spaced apart from the inlet line to such an extent that the delay time of the gas stream in the delay vessel is at a maximum, and with an outlet line for the liquid separated in the delay vessel at the base thereof.

Abstract: What is proposed is an apparatus for separating liquid droplets out of a feed gas stream comprising them comprising a delay vessel (1) for preliminary separation of some of the liquid droplets out of the feed gas stream under the action of gravity, with an inlet line (2) for the feed gas stream into the delay vessel (1) and an outlet line (3) for the gas stream which has been depleted of liquid droplets and flows out of the delay vessel (1), and tangential supply thereof into a centrifugal droplet separator (4), the outlet line (3) being arranged in the upper region of the delay vessel (1) and being spaced apart from the inlet line (2) to such an extent that the delay time of the gas stream in the delay vessel (1) is at a maximum, and with an outlet line (5) for the liquid separated in the delay vessel (1) at the base thereof, and wherein the centrifugal droplet separator (4) used is an axially symmetric apparatus with a vertical longitudinal axis and circular cross section, with a jacket and hoods at the upp

Abstract: An apparatus for the polymerization of olefins, in particular ethylene, comprising a gas-phase fluidized-bed reactor (1), a recycle gas line (2) connected to the reactor for discharging and recirculating the recycle gas stream comprising the unpolymerized olefin and a cyclone (3) located in the recycle gas line for the reduction and precipitation of the solid particles entrained in the recycle gas from the reactor, with the cyclone comprising an upper section (3a) which has an essentially vertical central axis, whose wall extends along a rotationally symmetric body and which is provided with a cyclone inlet (4) arranged eccentrically relative to the central axis, a middle section (3b) which adjoins the upper section (3a) and whose wall extends along a rotationally symmetric body which tapers in a downward direction, a lower section (3c) for discharging the solid particles precipitated from the recycle gas which adjoins the middle section (3b) and whose wall extends along a rotationally symmetric body and a tu

Abstract: Apparatus for the polymerization of olefins, in particular ethylene, comprising a gas-phase fluidized-bed reactor (1), a product offtake line (15) for taking polymer particles either continuously or discontinuously from the reactor (1), which line (15) is connected to a depressurization vessel (2) for separating polymer particles and gas, a recycle gas filter (3) for freeing the gas of entrained fine particles connected to the depressurization vessel (2), a compressor which compresses the gas which has been freed of fine particles and recirculates it into the reactor (1), with the recycle gas filter (3) having an inlet chamber (4) provided with a gas inlet (6), an outlet chamber (5) provided with a gas outlet (7), an essentially vertical sheet-like filter medium (9) for retaining the fine particles which separates the inlet chamber (4) from the outlet chamber (5) and a particle outlet (8).

Abstract: Apparatus for the polymerization of olefins, in particular ethylene, comprising a gas-phase fluidized-bed reactor (1), a product offtake line (15) for taking polymer particles either continuously or discontinuously from the reactor (1), which line (15) is connected to a depressurization vessel (2) for separating polymer particles and gas, a recycle gas filter (3) for freeing the gas of entrained fine particles connected to the depressurization vessel (2), a compressor which compresses the gas which has been freed of fine particles and recirculates it into the reactor (1), with the recycle gas filter (3) having an inlet chamber (4) provided with a gas inlet (6), an outlet chamber (5) provided with a gas outlet (7), an essentially vertical sheet-like filter medium (9) for retaining the fine particles which separates the inlet chamber (4) from the outlet chamber (5) and a particle outlet (8).

Abstract: An apparatus for the polymerization of olefins, in particular ethylene, comprising a gas-phase fluidized-bed reactor (1), a recycle gas line (2) connected to the reactor for discharging and recirculating the recycle gas stream comprising the unpolymerized olefin and a cyclone (3) located in the recycle gas line for the reduction and precipitation of the solid particles entrained in the recycle gas from the reactor, with the cyclone comprising an upper section (3a) which has an essentially vertical central axis, whose wall extends along a rotationally symmetric body and which is provided with a cyclone inlet (4) arranged eccentrically relative to the central axis, a middle section (3b) which adjoins the upper section (3a) and whose wall extends along a rotationally symmetric body which tapers in a downward direction, a lower section (3c) for discharging the solid particles precipitated from the recycle gas which adjoins the middle section (3b) and whose wall extends along a rotationally symmetric body and a tu