TH67434B - Vents for ventilation - Google Patents

Abstract

DC60 (26/11/55) The structural ventilation passages are made of the 1st pass and the 2nd pass, each having a round duct and wing section. It forms the 1st thread on the outer periphery of the round pipe section of the 1st pass, and forms the 2nd thread that is threaded into the 1st thread on the internal periphery of the section. Round pipe of the second pass

Claims (4)

Disclaimer (all) which will not appear on the advertisement page: page 1 of the number 2 disclaimers 1. A vent for ventilation consisting of a pass 1 and a pass 2 that are both shaped. The tube is round and forms a fin at the end. By creating a threaded part on the periphery outside the round pipe of the 1st pass with the planer to create a threaded portion that is threaded into the peripheral thread. Inside the round pipe of the 2nd pass and make one of the fins at the 1st pass or the 2nd pass To be able to rotate and move in the direction around the circle of the passing hole Which creates the aforementioned threaded portions of the said pass 1 or any of the said pass 2 It is several helix mills at the apex, and there is a mound of the helix that is embedded within it. Is continually lacking a hill These threads so that they do not overlap when viewed from the axial direction. 2. A vent for ventilation consisting of a pass 1 and a pass 2 that both form Round pipe and form a complete at the end. By creating a peripheral thread on the periphery, the round pipe of the 1st pass, while creating a threaded portion that is threaded into the peripheral thread. Inside the round pipe of the 2nd pass and make one of the fins at the 1st pass or the 2nd pass To be able to rotate and move in the direction around the circle of the passing hole Which at the end of each channel section The body of the aforementioned pass 1 or pass 2 is installed as a mark at the starting position. Of each helix 3. Ventilation vents consisting of pass 1 and pass 2 that both try to form The tube is round and forms a fin at the end. By creating a peripheral thread on the periphery, the round pipe of the 1st pass, along with creating a threaded portion that is threaded into the peripheral thread. Inside the round pipe of the 2nd pass and make one of the fins at the 1st pass or the 2nd pass To be able to rotate and move in the direction around the circle of the passing hole Which is installed as a rib frame for the hole On the periphery outside the round pipe, the aforementioned complete passage of the pass 1 4. Ventilation vents consisting of a pass 1 and a pass 2 that both form The tube is round and forms a fin at the end. By creating a peripheral thread on the periphery, the round pipe of the 1st pass, while creating a threaded portion that is threaded into the peripheral thread. Inside the round pipe of the 2nd pass and make a fin at either the 1st pass or the 2nd pass. To be able to rotate and move in the direction around the circle of the passing hole This completes the two sides of the front 2 of the building to be able to rotate and move in the circular direction of the pass. And installed as a frame The gripping ribbon hits the end of the pass in the outdoor hood.