B - Operations – Transporting – 60 – R
Patent
B - Operations, Transporting
60
R
B60R 13/08 (2006.01) B29C 44/18 (2006.01) B60J 5/04 (2006.01) B60R 13/02 (2006.01)
Patent
CA 2412576
A vibration reduction and damping system for use in automotive closure panels, such as a door frame assembly (10) comprising an intrusion device (12) and an expandable material (20), such as a polymer-based foam, disposed along at least a surface of the intrusion device (12) prior to final assembly of the vehicle by the vehicle manufacturer. The system is activated as the vehicle undergoes the final vehicle assembly process, which activates and transforms the expandable material, preferably during an automobile paint operation, to expand, bond and fill the door assembly structure for vibrational damping and noise reduction.
L'invention concerne un système permettant d'atténuer et d'amortir les vibrations, utilisé dans des panneaux de fermeture d'automobile, tels qu'un ensemble de cadre de porte (10), qui comprend un dispositif de protection (12) et un matériau expansible (20), telle qu'une mousse polymère disposée au moins sur la surface du dispositif de protection (12) avant l'assemblage final du véhicule par le constructeur. Le système est activé lorsqu'on procède à l'assemblage final véhicule, ce qui active et transforme le matériau expansible, de préférence, pendant une opération de peinture d'automobile, le matériau étant ainsi expansé, fixé à la structure d'ensemble de porte, et remplissant ladite structure afin d'amortir les vibrations et d'atténuer le bruit.
Bereskin & Parr
L. & L. Products Inc.
LandOfFree
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