Apparatus for butt welding of articles made of thermoplastic material

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United States of America Patent

PATENT NO 6045640
SERIAL NO

09112089

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention proposes an apparatus an a method of welding together articles made of a termoplastic 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.

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Patent Owner(s)

Patent OwnerAddress
GEORG FISCHER ROHRLEITUNGSSYSTEME AGSCHAFFHAUSEN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wermelinger, Jorg Schaffhausen, CH 13 94

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