| 摘要 |
The air duct centring fitting is a stamped metal plate with anchoring lugs (12, 13) for the end face of one air duct section at one side and a first support shoulder (15) for the adjoining second air duct sections. Second and third support shoulders (16, 17) are provided for the air duct system. The first support shoulder which connects the anchoring lugs together, can bend along a line (18) into two shoulder flaps (15', 15") differently angled to each other. USE/ADVANTAGE - For formed plastics ducts etc., with easy centring prior to gluing.
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