Duraglas secures hospital theatre role

APPLICAT F@

Mercedes cuts cost and

Duraglas secures hospital theatre role

weight with Zvtel MERCEDES C and E Class cars are using a one-piece injection moulded component of DuPont’s Zytel@ glass reinforced nylon to replace a two part met-

for this application. At the same time it enabled us to meet our weight-saving target and also allowed us to streamline our production line, which in turn helped to

REFURBISHMENT work at Huddersfield Royal Infirmary, UK, has led to Duraglas hygienic wall cladding, supplied by Vink Plastics, Ltd Cheshire, UK, being specified for theatres and scrub rooms. an unplasticiDuraglas,

al/plastic construction the end collar of

improve

sized

4

for the

Bowden cable operating the hand brake. This is said to result in cost and weight savings, without the loss of performance. The end collars, manufactured by Xavier Vorbruggen GmbH (VOFA), Dusseldorf, Germany, were previously made of metal with an additional ring of Delrin 500 acetal resin to hold them in place. The new collars use Zytel70G30 a heat stabilized HSL, nylon 66 reinforced with 30% of short glass fibres. “For the new end collar design we tested various plastic materials”, says Herbert Grobmeyer, chief designer at Vorbruggen GmbH. “Zytel70G30 HSL proved to be well suited, as it possesses the physical and thermal properties required

our competitive

polyvinyl

chloride

position.” The nylon end collars serve to mount Bowden

(PVC) sheet reinforced with fibre glass, meets all necessary building and fire regula-

cables like this on the bodywork. When the hand brake

tions, is said to be damage and chemical resistant and easily cleaned, and was accepted for its long term low maintenance potential Vink Plastics supplied

is set by pulling on the brake lever, the tension in the cable creates a compressive force on the collar at each end of the spiral jacket. Zytel is also widely used for parts such as covers and switches in the automotive industry and in electrical engineering. The resin, one of a standard DuPont nylon range, is said to pose no problems when it is injection moulded, according to VOFA, which produces the part in its own moulding shop, using a hot-runner moulding system.

over 500 sheets of 3 mm satin grey Duraglas, which has been applied with a Bostik pad and adhesive system. Joints were sealed with GE sanitary silicon sealant which was matched to the

3uragkzs hygienic wall cladding at Huddersjeld Royal InJirmary.

colour of the Duraglas sheet. All preforming out on site.

was carried

Vink Plastics; tel: +44161-610-6000; fax: +44161-610-6001.

DuPont; tel: +44-1442218547; fax: +44-1442218514.

DuPont Zytel TOG30 HSL end collars for Mercedes C and E classcars. CIRCLE 329 ON ADVERfiSlNG

RESPONSE

CARD

Reinforced Plastics July/August 1998