Connection of tubes using thermally curable adhesives

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9039854
APP PUB NO 20110094656A1
SERIAL NO

12945362

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to a method for connecting a first tube to a second tube, the tubes being interconnected in an overlapping region by means of an adhesive that fills a gap in the overlapping region between the tubes. Said method is characterized in that: a) adhesive is applied to the overlapping region of at least one of the tubes and the adhesive is selected in such a way that it is solid at temperatures of below 30° C. after application to the overlapping region and prior to the connection of the tubes, and cannot be cured without thermal activation; b) the tube having the adhesive in the overlapping region is pushed onto or inside the other tube; c) the tubes are fixed in relation to one another in the overlapping region by a heatable clamp, said clamp being designed in such a way that it can heat the tubes in said region; d) the adhesive is thermally activated by heating the overlapping region with the aid of the heatable clamp, whereby the adhesive cures and connects the two tubes in the overlapping region; and e) the heatable clamp is removed once the adhesive has cured. The invention also relates to a method for producing a refrigerator and to a refrigerator comprising correspondingly joined tube sections.

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Patent Owner(s)

Patent OwnerAddress
HENKEL AG & CO KGAARUHRSTRASSE 19 HAMBURG 22761

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bilcai, Eugen Oberschleissheim, DE 7 20
Ferrari, Andrea Munich, DE 20 1292

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