Used Ceracon Gmbh Ceratherm Stack M for sale (103,166)

Condition: refurbished (used), Year of construction: 2024, functionality: fully functional, machine/vehicle number: AK2-SCBS201, input current: 230 A, For sale is a used ELS labeler/labeling station with a conveyor belt. The machine was acquired by us after we installed our own labeling system on our thermoforming packaging machine. The labeler was subsequently completely overhauled and tested for functionality. The system is mounted on a sturdy stainless steel/aluminum frame and features an integrated conveyor belt. The photos show labeling heads, roll holder, control panels, sensors, and mechanical adjustment options for adapting to different products or packaging. Data / Features: Nsdpfxezkucfo Ag Iewn Manufacturer: ELS Type / Designation according to nameplate: AK2-SCBS201 Machine no. according to nameplate: 16615 / 2024 Labeling station with conveyor belt Height and position adjustment Stainless steel / aluminum construction Control panels on the labeling head Sensors included Completely overhauled Function tested Condition: used, ready for operation The machine is suitable for use in packaging lines, e.g., for labeling packaged products, trays, boxes, or similar items. Before use, the system should be adjusted to the specific product and adapted to the corresponding label format. Note: Technical data such as label width, label length, belt width, connection values, and exact dimensions can be requested separately if needed or checked on-site. Inspection and testing possible by appointment. Errors and prior sale excepted.

Condition: new, Year of construction: 2026, functionality: fully functional, machine/vehicle number: 8843, warranty duration: 12 months, Features: - Suitable cutting unit depending on the application - Discharge belt in a reinforced design - Preparation for mounting a magnetic separator - Flat base plate on a chain-type undercarriage - Discharge belt speed control - Dust suppression Nsdpfx Aezkha Dsg Iown

Year of construction: 2014, condition: ready for operation (used), travel distance X-axis: 1,600 mm, total width: 1,250 mm, total height: 3,437 mm, spindle motor power: 5,500 W, product length (max.): 3,080 mm, spindle speed (max.): 1,600 rpm, number of axes: 3, This 3-axis M+A RB 63/20 W drilling machine was manufactured in 2014. It features a maximum drilling diameter of 63 mm in steel and 80 mm in cast iron, with a maximum reach from the column of 2000 mm. The machine includes a robust cube table measuring 800 x 630 x 500 mm. If you are looking to get high-quality drilling capabilities, consider the M+A RB 63/20 W machine we have for sale. Contact us for further details. Nodpfozk Ivxjx Ag Iown - Maximum drilling diameter in steel (600 MPa): 63 mm- Maximum drilling diameter in cast iron (250 MPa): 80 mm- Maximum reach from column: 2000 mm- Minimum reach from column: 450 mm- Column diameter: 450 mm- Minimum distance between spindle nose and baseplate: 400 mm- Maximum distance between spindle nose and baseplate: 1600 mm- Spindle inner taper: MT 5- Maximum spindle stroke: 400 mm- Vertical adjustment of drill head: 800 mm- Horizontal adjustment of drill head: 1550 mm- Baseplate length: 2900 mm- Baseplate width: 1250 mm- Baseplate height: 260 mm- Number of spindle speeds: 16 (hydraulically set)- Spindle speed range: 20 to 1600 rpm (20, 32, 50, 63, 80, 100, 125, 160, 200, 250, 315, 400, 500, 630, 1000, 1600 rpm)- Number of spindle feeds: 16- Spindle feed sizes range: 0.04 to 3.2 mm/rev- Maximum permissible torque at spindle: 980 Nm- Main drive motor power: 5.5 kW (1500 rpm)- Arm elevating motor power: 2.2 kW (1500 rpm)- Clamping motor power: 0.75 kW (1500 rpm)- Coolant pump power: 90 W / 0.09 kW (3000 rpm, Flow rate: 25 l/min, Head: 4 m)- Machine total power: 8.45 kW- Operating voltage: 400 V / 50 Hz- Required connection current: 16 A- Maximum load capacity/weight: Approx. 7000 kg- Machine overall dimensions: 3080 x 1250 x 3290 mm (Max height up to 3437 mm)- Noise emission level: ≤ 85 dB (A)

Condition: excellent (used), WEISS SWT 600/800 Spray and Splash Water Test System IPX3 IPX4 Manufacturer: Weiss Umwelttechnik GmbH Type: SWT 600/800 Machine Type: Spray and Splash Water Test System Operating Hours: approx. 755.9 h according to the display For sale is a used WEISS SWT 600/800 spray and splash water test system for reproducible testing of enclosures, electrical products, components, and assemblies against penetrating water. The test specimen is positioned on the rotating table in the stainless steel test chamber. A pivoting tube with several spray nozzles moves around the test specimen and subjects it to water from alternating directions. Water flow rate and test duration can be adjusted and monitored via the integrated control system. Technical Data: Test medium: Water Test system: Pivoting tube / Rotating table Ingress Protection (IP) tests: IPX3 / IPX4 according to DIN EN 60529 Pivoting angle: adjustable Pivoting speed: approx. 60°/s according to series documentation Test specimen table: rotatable / height-adjustable Operating modes: Manual / Automatic Power connection: 3/N/PE AC 400 V ±10 % / 50 Hz Rated power: 0.6 kW Rated current: 6.0 A CE marking available Water connections: Water inlet: max. 6 bar Water outlet: without back pressure Adjustable water flow rate Flow meter Regulating valve Manometer Control / Equipment: Touch operating panel Program editor / adjustable test time Operating hours, status and alarm display Stainless steel test chamber Large transparent test chamber door Pivoting tube with spray nozzles Rotating table / Test specimen table Height-adjustable test specimen holder Water inlet and outlet Side-mounted control cabinet Siemens SITOP power supply Lenze drive component Expansion options: With appropriate additional equipment, further IP tests are possible with the SWT series, e.g., IPX1 / IPX2, IPX4K, IPX5 / IPX6 and IPX9K. The additional test equipment or high-pressure units required for this are not included in the scope of supply for this offer. Application areas: Spray and splash water testing IP protection testing Electronics and electrical components Automotive components Sensors and control units Enclosures and luminaires Quality assurance Development and testing laboratories Dimensions / Transport data: Test chamber (L × W × H): approx. 2,350 × 2,400 × 2,650 mm Without hinges / door locking: approx. 2,350 × 2,400 × 1,850 mm Weight of test chamber: approx. 650 kg Transport by forwarding agent Condition: Used Operating hours: approx. 755.9 h Optical condition according to the pictures. Scope of delivery: WEISS SWT 600/800 Spray and Splash Water Test System Pivoting tube spray device Rotating table / Test specimen table Nodszzk Tbepfx Ag Iewn Touch control Side-mounted control cabinet Equipment according to the pictures Availability: by arrangement. Scope of delivery as shown. Subject to changes, errors and prior sale.

Condition: good (used), Perfecta SL-10 P Paper Stack Lift with Sidewall The device is in perfect technical and visual condition. Virtually unused. Equipped with an adjustable sidewall for easy stacking. Designer look. Lifting capacity: 1000 kg Nedpfozz Hfgsx Ag Ijwn Plate size: 900 x 1300 mm Power supply: 380 V Weight: 650 kg The lift is very easy to move, mounted on wheels. The control panel is adjustable to the right and left. Lifting is operated by a photocell. Quiet hydraulic unit.

Condition: as good as new (ex-display), Year of construction: 2025, functionality: fully functional, Place: Austria Nedpfx Agsxy Rdds Iewn Available immediately

Condition: used, Year of construction: 2016, functionality: fully functional, Conveyor line / roller conveyor system / material handling system, material handling equipment, approx. 50 meters Manufacturer: RBS-Förderanlagen GmbH Model: Conveyor line Condition: Used Year of manufacture: 2016 The system consists of: 1 x Inclined belt conveyor, approx. 3.2 meters long 2 x Pneumatic lifts 3 x 90° bends 2 x Folding elements / passage elements 1 x Control cabinet 25 pcs adjustable feet and the remaining conveyor belt / roller conveyor, approx. 34 meters Nwedjx Ala Espfx Ag Ijn Total length: approx. 50,000 mm Total width: 750 mm Conveyor width: approx. 680 mm Roller diameter: 50 mm Internal article number: 2025120101 Features: Condition: fully functional, with signs of wear Ideal for fast material transport Professionally disassembled and packed Collection address: Industriestraße 5 (47918 Tönisvorst) The material handling equipment was in operation until disassembly. Thanks to the excellent workmanship of the material handling equipment, your material glides gently to its destination, even under high load. Tailor-made solutions for your intralogistics For roller conveyors, belt conveyors, inclined conveyors or telescopic conveyors for loading and unloading your goods, we are your competent partner! We will gladly prepare an individual offer for you or advise you on design or assembly questions. Simply let us know your requirements and the local conditions. Benefit from our many years of experience and our excellent network of experts. We have already successfully implemented projects for companies in a wide range of industries, such as logistics, the pharmaceutical industry, the trades or the electronics industry. Together, we will develop ways to optimize your processes and material flow in a cost-effective and sustainable manner. We can also offer you fully automatic sorting technology or complementary components such as picking racks or containers.

Condition: excellent (used), Year of construction: 2021, functionality: fully functional, total width: 2,350 mm, total height: 2,420 mm, total length: 3,600 mm, type of input current: AC, input voltage: 400 V, power: 1.6 kW (2.18 HP), noise level: 75 dB, General: Precise confocal measuring station for optical height and structure measurement. Equipped with confocal sensor PD562 and measuring camera PD563. The system is used for high-resolution surface and geometry measurement. Nwodsx Ap I Hepfx Ag Ion

Condition: excellent (used), functionality: fully functional, REF: MM5465 1 x Seitz-Werke GmbH filling machine for bottles. Fed by counter-pressure tank. Manufacturer - Seitz-Werke GmbH Model - SF 12. Nodpfx Agox A A I He Ijwn Date of manufacture - 1961 (has been refurbished since). Speed - up to 1200 bph (depending on filling volume). Capacity - variable filling range (whatever bottle size fits into holders). Overall dimensions - 1100mm diameter x 2350mm H. Last used in March 2023.

Condition: good (used), Year of construction: 1991, Welding fume filter, Tebaron, TE 1200 – used - : Price ex location: €650 (net) Manufacturer: ISI Industrie-Produkte GmbH Model: TE 1200 Year of manufacture: 1991 380V, 1.1kW, 2.6A, IP54 Nedpoyhxl Rjfx Ag Ijwn Condition: good Availability: immediately Location: Waltrop

Year of construction: 2021, condition: new, Automatic Screw Unit SE1 SA With automatic screw feeding Head only bench mount,... Nodeuxyuopfx Ag Iown

Condition: good (used), Year of construction: 2013, operating hours: 300 h, functionality: fully functional, machine/vehicle number: H50KS, tractive force with load: 50,000 N, Universal testing machine, type H50kS up to 50KN for tension and compression Load cell 50KN 10KN 1KN and Windows software 8-9-10-or 11 for tension, compression, bending, shear etc., according to EN ISO 7500-1, ASTM E4 The H50kS is a universal testing machine developed according to the latest standards. The machine operates in accordance with the relevant radiation protection and safety directives in the EC. (EN 50081-1, 72/23/EEC, EN 61010-1) The maximum voltage within the machine is 48 volts. Nsdpfx Agjq Ruw No Iown Special features - large, easy-to-read liquid crystal display with backlighting - Graphical or numerical display mode - alpha-numeric file input - speed range 0.001 to 500 mm/min. - high return speed 0.001 to 500 mm/min. - exact crosshead positioning - Robust load frame - Output report of results with mean value and standard deviation via printer - Large selection of test software under Windows for various standards - RS232 interface mode for use with computer system - Accuracy of load cell force display 0.5 % over the entire range - Displacement display accuracy 0.001 mm - Equipped with a force and displacement alarm system - 32bit motor controller - 20% digital weight blanking during load cell capacity check - Automatic motor alarm in case of over or under voltage and overheating Specifications: - Force measurement accuracy +/- 0.5 % of the displayed force in the range 2% to 100% - Accuracy of position measurement +/- 0.01 % or 0.001 mm - Speed accuracy +/- 0.005 % of the selected speed - Operating temperature 0 to 38°C - Humidity range 10% to 90% Technical data: - Two-spindle table model - maximum load 50kN in tension and compression - maximum stroke 1100 mm without clamping fixtures - for further details please refer to the brochure Dimensions: Height: 1613 mm width: 720 mm Depth: 500 mm Weight: 140 kg Connection: Machine: 50-60 Hz - 2000 W Power supply: 220/240VAC

Condition: new, Year of construction: 2026, The StoNail 7000 is a fully automated portal nailing machine for the flexible production of pallets and crates, even with large workpiece dimensions. With up to three individually adjustable nailing head pairs, two work areas, and a generous Y-axis travel of 1,250 mm, it is designed for maximum efficiency and high flexibility. A 12-inch touch display, automatic height adjustment, and numerous expansion options support comfortable operation. Offline programming allows new programs to be created and simulated outside the machine, reducing setup times and preventing downtime. The integrated automatic path optimization further increases the cycle output and ensures resource-efficient operation. Applications: Standard stringer and block pallets Special pallets & customized solutions Double-deck pallets & mixed pallets Transport frames & packaging elements Crate walls & wooden packaging Robust frame construction with a tilt angle of 65° for ergonomic operation Nwjdpfxjrallne Ag Ijn Machine length: approx. 8500 mm Work area (L x H): 1 pallet: max. 5500 x 1700 mm or 2 pallets: max. 2000 x 1700 mm Option: Extension of the machine frame by 2000 mm or 4000 mm, or according to customer requirements Option: Widening of the machine frame by 300 mm Nailing table: Cladding of the nailing table with laminated wood panels for custom templates Option: Clamping brackets when using custom templates Option: Modular pallet clamping system for inserting loose wood and blocks Frequency-controlled nailing bridge: Up to three independently controlled nailing head pairs for complex nailing patterns Accommodation of up to 6 nailing units Covering of the entire work area with the nailing units Collision monitoring: The movement of the delivery cylinder is constantly monitored Start button located directly on the nailing bridge Nailing units: Industrial nailing heads or handheld devices Nail length max.: 130 mm Equipment of the nailing units with Maxi-Coil magazines for up to 1000 nails Nailing shoes for limiting the penetration depth Option: Stapling units, drilling heads Programming: Simple, intuitive programming on the 12-inch touch panel directly on the machine. The entered parameters are used to completely record or visualize the pallets or crate components. Siemens PLC control with control panel: Touch panel for operating the machine Pallet programming directly on the control panel Storage of the created pallet programs Pallet counter Nail counter: The machine stops as soon as the nails are used up Internet connection for remote maintenance Operating language available in German and English Option: Board width measurement for varying board widths Safety equipment: Emergency stop button on the machine and on the control panel Safety light curtain around the nailing beam with Keyence laser scanner

Condition: used, Used stainless steel container / transport container / IBC Last use: Solvent Item number: 10848 Volume: 800 liters Type: Vertical in galvanized stacking frame Material (wetted parts): 1.4301 / AISI304 Manhole 400mm Design: Single-walled Operating pressure according to type plate: 0.10 bar Empty weight: 213 kg Tank dimensions: Total width: 1020mm Total length: 1220mm Total height: 1400mm Height of the feet: 100mm Materials: Nwedpfxju Ngqto Ag Ien Interior: 1.4301 / AISI 304 External parts: Galvanized steel Equipment: Type plate: yes Outlet diameter: 40mm Outlet valve: ball valve Distance drain to floor: 265mm

Condition: good (used), Year of construction: 2000, Weinig A5 outfeed with automatic board stacker. Offer includes. Nwjdpfexftvaox Ag Ien 1. Weinig high speed 820 right angle moulder outfeed. 2. Weinig 811 moulder outfeed, scissors lift with pack chains 3. Weinig additional outfeed pack chains to transfer to a roller conveyor system. System of operation. -Boards are automatically transported laterally with the Weinig 820 right angle transfer. -Boards automatically form a layer and are then placed on the lifting table of the chain conveyor -The completed pack is transferred to the following chain conveyor -Maximum output: 40 cycles/minute for stacker (over 150m/min based on average length boards). -Space required: Length approx. 8000 mm, Width approx. 5000 mm approximately -Pack size max 6100mm x 1200mm x 1200mm(high)

Condition: reconditioned (used), Year of construction: 2021, operating hours: 980 h, functionality: fully functional, total width: 2,500 mm, overall weight: 19,000 kg, power: 280.23 kW (381.01 HP), year of last overhaul: 2025, VZ 850 DK, Volvo Penta TAD16, 770 hp, 3300 operating hours - Conveyor belt in new condition, rollers renewed - Shredding shafts 7/7-5, made of metal - Crushing bar with comb Nedpfx Agew S Iiio Iown - Counter comb in new condition - Two hoppers - Long discharge conveyor - CAT engine C9.3 - Emissions standard EPA Tier 4 final - Only 980 operating hours

Condition: ready for operation (used), Year of construction: 2010, RHV-C&V GmbH & Co. KG glass jar capper type: LW560 serial number: 10172/4184 year of construction: 09/2010 stainless steel conveyor belt, belt width: 120 mm Nwsdpfxjyxgxwe Ag Ien

Condition: used, Year of construction: 2018, Overview These fermenters (iso tank) were manufactured in 2018 by Germany BrauKon GmbH. The equipment consists of 3 fermenters, designed for beer fermentation. The tanks are still installed and connected to energy and are available immediately. The equipment can be visited in production on request. Technical data  - Capacity: 10 hl each - Application: Beer fermentation - Configuration: 3 × iso fermenters   Nodpfx Aeywn Svog Ijwn

Year of construction: 2025, condition: new, Parker-Airtech presents the latest generation of nitrogen generators, which impress with an outstanding air factor on the market. Our systems are characterized by the exclusive use of high-quality components, which ensures their longevity and reliability. Nedsnq A U Aopfx Ag Iswn The cost-effective operation of the system is characterized by low power consumption with maximum output, low-maintenance operation of the system, no additional gases such as hydrogen to reduce oxygen and high-quality and durable components. This means that the system can pay for itself in the shortest possible time. An intelligent monitoring system enables continuous monitoring of the operating parameters and ensures that you are always informed about the status of your system. Whether in the office or on the go - our system can also be conveniently viewed on your mobile phone, so that you always have control over your nitrogen production. The system is individually tailored to your needs. Parker-Airtech has made it its mission to offer you the best technologies to optimally support and maximize your processes. Trust in innovation, quality and performance - choose Parker-Airtech.

Condition: used, Year of construction: 2004, Overview: Nwjdeyb R Rnopfx Ag Ien Manufactured in 2004 by the German company Dr. Datz Maschinenbau GmbH, this reliable 24-head wire bail capper is designed for securely sealing wire bail closures on bottles. A high-quality German-built machine, ideal for efficient and precise capping operations in bottling lines. Technical Details: - Manufacturer: Dr. Datz Maschinenbau GmbH - Type: BVM 24R - Year of Manufacture: 2004 - Number of Capping Stations: 24 - Closure Type: Wire bail closures - Machine Direction: Left to right

Condition: good (used), For sale: Conveyor Drying Tunnel for Screen Printing: Manufacturer: M&R (The M&R Companies) Model: Sprint International Power supply: 400–415 V, 3-phase Frequency: 50/60 Hz Gas-powered conveyor dryer (Natural Gas / LP) Burner capacity: up to 300,000 BTU/h EU-manufactured Nedpsy Au Ubjfx Ag Iswn Machine number: 0036 Drying chamber length: 360 cm Belt width: 150 cm This is a typical gas conveyor dryer for screen printing, suitable for medium and large-scale production. Currently, the tunnel is disassembled for transport purposes. All components are complete.

Condition: new, Factory-new agitated vessel with dissolver Type: STOC2200RWD Volume: approx. 2,266 liters Design: Vertical construction on three height-adjustable feet Construction: Single-walled Medium-contacting material: 1.4301 stainless steel (AISI304) Surface: External satin finish, internal BA (IIId) Internal weld seams: Pickled, passivated and brushed Max. operating pressure: Atmospheric Max. operating temperature: 95°C Top: 15° conical top Bottom: 15° conical bottom with central outlet DN50 DIN11851 Tank dimensions: Tank diameter: 1,430 mm Cylinder height: 1,250 mm Total height: 2,160 mm Foot height: 500 mm Outlet to floor distance: 350 mm Equipment: 1x Ø 500 mm manway cover with swivel bracket on top, EPDM gasket 1x agitator flange connection IEC200 3x calotte / height-adjustable feet 1x stainless steel vent/bleeder valve DN50, non-pressurized, on the top 1x DN50 DIN11851 outlet port centered in the bottom 1x DN50 DIN11851 port with blanking cap on the top 1x DN65 DIN11851 port with blanking cap on the top 2x lifting lugs on the top 1x ladder bracket on the cylinder 1x nameplate Agitator: Dissolver Manufacturer: Schwarzer Rührtechnik GmbH Type: SRTDMK/7.5-1500 Power: 7.5 kW Speed: 1,410 RPM Operating voltage: 3PH 400V - Heavy-duty agitator shaft mounted to the agitator motor with muff coupling Nwodpew Dy Hlefx Ag Isn - Agitator shaft dynamically balanced for smooth running within the speed range - 1 piece dissolver disc Ø 275 mm screwed onto the end of the agitator shaft - Stainless steel flange with V-ring seal, EPDM - Motor mounted flexibly on neoprene rubber-metal buffers

Year of construction: 2020, condition: new, Title: Strassburger Filter SF400oDEC/30S Integra – Stainless Steel Plate Filter Press – Year of Manufacture 2020 – NEW / unused Brief Description: For sale are unused, original-packaged plate and frame filter presses from the renowned German manufacturer Strassburger Filter GmbH + Co. KG. The units are in new condition, have never been put into operation, and are originally packaged by the manufacturer. Manufacturer: Strassburger Filter GmbH + Co. KG (Germany) Model / Type: SF400oDEC/30S, Integra format Machine designation: FI6722 – FP PRE 1 Year of Manufacture: 2020 Serial Number: e.g. 032003303920 (other serial numbers available) CE Marking: Yes Condition: New / unused Original packaging Never installed, never used in production Stock item Quantity available: 3 identical machines available New Price: New price €94,000 per unit Design / Material: Completely stainless steel Plate and frame filter press Gasketed plates Pharmaceutical / Biotech design Hydraulic closure including hydraulic unit CE-compliant Technical Data: Plate format: 425 × 400 mm Number of filter chambers: 28 Total filter area: approx. 3.4 m² Total volume: approx. 13.6 liters (100%) Max. operating pressure: 6 bar Max. operating temperature: 95 °C CIP / SIP capable (cleaning up to 121 °C) Dimensions & Weight: Length: approx. 1,649 mm Width: approx. 600 mm Height: approx. 1,145 mm Weight of filter frame: approx. 480 kg Weight of plate pack: approx. 120 kg Plate Pack: 14 filter plates 13 filter frames 1 end frame 1 baffle plate 28 filter layers per configuration Hydraulics & Drive: Hydraulic closure Hydraulic unit included Motor power: 1.5 kW Electrical connection: 400 V / 50 Hz Valve voltage: 24 V DC Compressed air requirement: 3.0 bar Connections: Product inlet and outlet DN25 Vent / drain DN15 Connections according to DIN 11864-2 Drip tray available Application areas: Pharmaceutical production Biotechnology Chemical industry Pre-filtration Precipitation and clarification processes Nwsdpfx Agjx Ihufo Ion Location: Germany Inspection possible by appointment Available immediately

Year of construction: 2008, condition: repair required (used), functionality: limited functionality, machine/vehicle number: 346100, Machine SAR-1000-B-015 including accessories: ULT ASD 300 Ex extraction unit. The operating manual can be provided as a PDF. The machine is currently in the condition shown in the pictures. It can be placed on pallets for collection if required. The machine has been inspected by Schunk, who determined that the following spare parts are needed: - Z-axis - Bearings for Y1 and Y2 axes - Replacement of power cable, Hall sensor cable, and pneumatic hoses - X-axis brake - Extraction nozzle and extraction hose - Shuttle sensor (B4.3/E) - Tool holders (5 pieces) - Replacement of UPS - Hold-down brush - Bulb for signal lamp - Hold-down sealing ring, pneumatic cylinder, guide shaft and plain bearing bush, spindle retaining plate - External exhaust hose ULT - Table lift cylinder (?) Nwjdpfx Aexwvrujg Ion According to Schunk, material requirements are approx. €16,000. As we are selling the machine as defective/in need of repair and have listed all known deficiencies, the item is sold under exclusion of any warranty or liability for material defects.

Condition: excellent (used), Stations/Equipment: Unwinder Rewinder Extraction system incl. shredder (4x Lundberg Type WT200-200U - year 2018) Inert enclosure Busbar laminating unit Cutting units Laminating units / adhesive application units Heated rollers Nwsdpfxjxzufho Ag Ion Master computer Control cabinets Drive motors Gantry crane Corona treatment