An air duct device (1) at least partially made of a polyolefin-foam material, comprising a duct section (2) having a longitudinal extension (4) and at least one opening (5), and a coupling section (3) attached to the duct section (2), wherein the coupling section (3) encloses the opening (5) and is implemented to mechanically couple to a stationary counterpart, the coupling section (3) and the duct section (2) are at least partially made of at least one thermoformed sheet (16) of the polyolefin-foam material and comprise a flanged seam (7) along the longitudinal extension (4), the coupling section (3) comprises a coating material (8) applied to the thermoformed sheet (16), and the coating material (8) has a higher rigidity and/or hardness than the polyolefin-foam material.
AIR DUCT DEVICE WITH COUPLING SECTION AND METHOD FOR MANUFACTURING AN AIR DUCT DEVICE
LUFTKANALVORRICHTUNG MIT KOPPLUNGSABSCHNITT UND VERFAHREN ZUR HERSTELLUNG EINER LUFTKANALVORRICHTUNG
DISPOSITIF DE CONDUIT D'AIR DOTÉ D'UNE SECTION DE COUPLAGE ET PROCÉDÉ DE FABRICATION D'UN DISPOSITIF DE CONDUIT D'AIR
2022-11-09
Patent
Elektronische Ressource
Englisch
IPC: | B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / F16L PIPES , Rohre / F24F Klimatisierung , AIR-CONDITIONING |
DUCT, ENGAGEMENT STRUCTURE FOR DUCT, AND METHOD OF MANUFACTURING DUCT
Europäisches Patentamt | 2023
|