Joined profile sections
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United States of America Patent
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-
Sep 14, 2004
Grant Date -
Aug 21, 2003
app pub date -
Apr 22, 2003
filing date -
May 24, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Two profile sections (5,6), such as two sealing, trimming or finishing strips for use in motor vehicle body construction, are joined together end to end by use of a heat-sensitive foil (24) such as made of thermoplastics material. The profile sections (5, 6) are clamped in respective retaining devices (18, 20) and the foil (24) is unwound from a roll (22) into position between the facing ends of the profile sections. Heaters (26, 28) are moved into position for heating the foil (24) and the ends of the profile sections and are then withdrawn. The two retaining devices (18, 20) are then moved towards each other so as to move the ends of the two profile sections into contact with opposite sides of the heated foil (24) which thus heat-bonds the end of the profile sections together. The foil (24) is provided with a plurality of through slits (24A) (or is in some other way rendered air-permeable) so that air can pass from one profile section to the other, through the bonded foil (24), in use of the joined profile sections (e.g. when they are fitted in position or when they are partially compressed to carry out a sealing function), thus preventing pressure build-up and possible bursting of the joint.
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