ENDOSCOPE HAVING PIPE CONNECTION STRUCTURE AND PRODUCING METHOD THEREOF

An endoscope having a pipe connection structure includes a pipe of a corrosion-resistant alloy material and a piping block of a corrosion-resistant alloy material, the piping block having a pipe insertion hole. An end of the pipe is fitted in the pipe insertion hole, the pipe and the piping block ar...

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Bibliographische Detailangaben
1. Verfasser:	MARUYAMA Yoshinori
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DIAGNOSIS DRESSING OR CONDITIONING OF ABRADING SURFACES ENGINEERING ELEMENTS AND UNITS FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GRINDING HEATING HUMAN NECESSITIES HYGIENE IDENTIFICATION JOINTS OR FITTINGS FOR PIPES LIGHTING MACHINE TOOLS MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING MEDICAL OR VETERINARY SCIENCE METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PIPES POLISHING SOLDERING OR UNSOLDERING SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING SURGERY THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	An endoscope having a pipe connection structure includes a pipe of a corrosion-resistant alloy material and a piping block of a corrosion-resistant alloy material, the piping block having a pipe insertion hole. An end of the pipe is fitted in the pipe insertion hole, the pipe and the piping block are connected by welding by irradiating a laser beam on the entire circumference of an area where the end of the pipe is fitted in the pipe insertion hole in the piping block, and an axial length of the pipe inserted in the pipe insertion hole is in a range of 0.5 to 2 times a wall thickness of the pipe.