The master boat builder from Waging See

ID: 1550652
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(businesspress24) - Over 100 world championship titles, numerous Olympic medals and countless national championships have been won with their regatta boats: For Leonhard Mader junior and his son Andreas from the Mader shipyard in Waging am See, itating the vacuum for resin infusion in the production of GRP parts for the boats, Mader itself also focuses on quality: The company exclusively uses Busch R 5 rotary vane vacuum pumps for its superb sailing boats.

Mader was founded as a joinery by Leonhard Mader senior in 1952. Two years later, the first wooden boats were produced. In 1956 Leonhard Mader used vacuum for form-gluing wooden parts for the first time, and these were used to create his first vessel. Out of frustration from only coming in 14th, the two Britons set their boat on fire in the middle of the lake, and sank it.
Today, Mader focuses only on building international- and national-class boats, and produces around 15 to 20 regatta boats per year on request from sailors all over the world. The company caters to its customers

All the boats feature a hull and inner shell made of fibreglass-reinforced plastic, and the resins used are predominantly vinyl ester or epoxy resin. Only R 5 rotary vane vacuum pumps from the company Dr.-Ing. K. Busch GmbH are used to evacuate the mould in the resin infusion process, as this proved the most successful in day-to-day use. Both Leonhard and Andreas Mader value the reliability of these robust vacuum generators. When, in 2007, the company received the order to build all boats in the Star class for the British Olympic team, Leonhard Mader decided to build these using pre-impregnated fibre (pre-preg).
A new room was built in-house to ensure the temperature required to process and dry out the resin could be maintained. For Mader, it was essential that only a Busch R 5 rotary vane vacuum pump would be used for vacuum generation. After all, for this prestigious contract, the production of all boats would have to subject to fully reliable and precise parameters and the factors of temperature, time and vacuum level had to be precisely coordinated. Britons Iain Percy and Andrew Simpson winning the gold medal in the Star class on a Mader boat is the best proof that Mader provided outstanding work.

R 5 rotary vane vacuum pumps are used in a wide range of industrial applications. In resin infusion processes, it is not only important that they reach a vacuum level of 0.1 millibars on an ongoing basis, corresponding to a vacuum of 99.99 percent, but also that sufficiently high pumping speed is still generated with high vacuum performance. After all, even when very precisely sealing the synthetic core using foil, a leak may result in the permeation of small quantities of air, which then need to be immediately extracted again using the vacuum pump. High vacuum performance ensures fast, bubble-free and complete resin infusion. The performance of the R 5 rotary vane vacuum pump can be controlled with a throttle valve, for example if the resin needs to be prevented from flowing too quickly into the mould. This guarantees high product quality, and means that costs for reworking to repair cavities no longer apply. Their oil-sealed functionality means that R 5 rotary vane vacuum pumps are not sensitive to the gases that are produced during the drying-out process. These are conveyed through the vacuum pump without being condensed. A resin trap is connected upstream of each of the R 5 vacuum pumps, which prevents resin entering the vacuum pumps. Mader has been using Busch R 5 vacuum pumps for decades. There has not yet been a single fault, or any downtime, even though the vacuum pumps are in operation throughout the drying-out process.

Maintenance is limited to an annual oil change. At the Mader shipyard, this is organized by phone and carried out by a Busch service technician. As a result, a safe vacuum supply is also guaranteed at the shipyard for the future, and Leonhard Mader junior and Andreas Mader are sure to build many more sailing boats for future international and national champions.

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Busch Vacuum Pumps and Systems is one of the world’s largest producers of vacuum pumps, vacuum systems, blowers and compressors.
Its extensive product portfolio comprises solutions for vacuum and overpressure applications in all industries, including the chemical, semiconductor, medical technology, plastics, and food sectors. It also covers the design and construction of customized vacuum systems, as well as a global service network.
The Busch group is a family-owned company and is still managed by the Busch family. Busch Vacuum Pumps and Systems has 3,000 employees in more than 60 companies in over 40 countries worldwide. Busch is headquartered in Maulburg, in southwest Germany. This is the location of Busch SE headquarters, as well as the German production facility and German sales company. In addition to Maulburg, Busch also has its own production plants in Switzerland, the UK, Czech Republic, Korea and the USA.

Busch Vacuum Pumps and Systems was founded by Dr.-Ing. Karl Busch and his wife Ayhan Busch in 1963. Dr.-Ing. Karl Busch developed the “Huckepack”, which was the first vacuum pump that could be used for vacuum packaging of foodstuffs. The follow-up product, the compact “R 5” rotary vane vacuum pump, revolutionized food packaging. A further milestone represented the development of the “COBRA” screw vacuum pump. In 1971 the international expansion of the Busch group started with the founding of a sales company in the UK. The first production plant outside Germany was established in the USA in 1979.

PressRelease by


Jasmin Markanic

Busch Dienste GmbH
Global Marketing / Marketing Services
Coordinator Global Press & Media Relations

Schauinslandstraße 1
DE 79689 Maulburg
Phone: +49 7622 681 3376

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published by: SabrinaHeinecke
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Date: 07/11/2019 - 05:12
Language: English
News-ID 1550652
Character count: 7467
Firma: Busch Dienste GmbH
Ansprechpartner: Jasmin Markanic Feedback to about Pressrelease-id:
Stadt: Maulburg
Telefon: 0049 7622 681 3376

Meldungsart: Success
Versandart: send
Freigabedatum: 11.07.2019

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