B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 65/18 (2006.01) B29C 65/00 (2006.01) B29C 65/02 (2006.01) B29C 65/20 (2006.01)
Patent
CA 2243000
The invention proposes an apparatus an a method of welding together articles made of a thermoplastic material by means of a butt welding method. The articles are held in coaxial relationship by means of a pair of clamping mechanisms. A heating element can be brought between the two articles to heat up their respective facing front faces, whereafter the heating element is removed and the heated front faces brought into mutual contact. For determining the strength of the welding zone, the ambient temperature is considered. For this purpose, a thermal sensor is provided that is arranged at the welding apparatus. The thermal sensor is thermally insulated against the welding apparatus.
Cette invention concerne un appareil et une méthode de soudage bout à bout d'articles en matériau thermoplastique. Ces articles sont maintenus en parfait alignement coaxial par une paire de mécanismes de serrage . Un élément chauffant est placé entre les deux articles pour en chauffer les faces contiguës à une température appropriée puis retiré avant d'abouter lesdites faces des articles l'une sur l'autre. Pour déterminer la résistance de la zone de soudage, on tient compte de la température ambiante. A cette fin, un capteur thermique est monté sur l'appareil de soudage tout en étant thermiquement isolé de celui-ci.
Georg Fischer Rohrleitungssysteme Ag
Oyen Wiggs Green & Mutala Llp
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