COUPLING MECHANISM BETWEEN PIPING DUCT AND JOINT THEREOF

PURPOSE:To facilitate the attachment of a piping duct with the use of a joint. CONSTITUTION:A continuous locking groove 35 having a specific width is formed in the lower surface of the bottom plate of a piping duct in the longitudinal direction of the latter, and a pair of locking protrusions having...

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Bibliographische Detailangaben
Hauptverfasser:	TAKEMOTO MUNEMICHI, SAKURAI HIROSHI, MURAOKA HIDEO
Format:	Patent
Sprache:	eng
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES RANGES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To facilitate the attachment of a piping duct with the use of a joint. CONSTITUTION:A continuous locking groove 35 having a specific width is formed in the lower surface of the bottom plate of a piping duct in the longitudinal direction of the latter, and a pair of locking protrusions having a space therebetween which continuously varies in a range with which the pair of locking protrusions can complementarily be engaged in the locking groove 35 are formed in the upper surface of the bottom plate of a joint for receiving the piping duct. When one end of the piping duct is pressed against the bottom plate of the joint, the locking protrusions are engaged in the locking groove 35, and the protrusions having the space therebetween is wider at their one end 46a, 46a at their the other end 46b, 46b are firmly pressed against the side surfaces of the locking groove 35, and accordingly, the piping duct can be coupled to the joint so that the fixing parts thereof are engaged together while their motion is limited in a direction in which they are separated from each other and a direction in which they come off.