Manufacturing method of continuous vacuum cavity sealing pipe fitting

The invention provides a manufacturing method of a continuous vacuum cavity sealing pipe fitting, which comprises the following steps of: 1) connecting a long pipe section sealing head with a long section inner-layer pipe fitting, and connecting the long pipe section sealing head with a long section...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HAN YUNWU, LU XIAOHONG, ZHANG XIZE, HUANG YIJIA, ZHANG DAYI, WANG TIANLONG, CHENG XUEXUE, ZHANG ZHIYONG, CHEN ZHIYUE, YU ZHIGUANG, TIAN XIANG, ZONG XIHUA, WEI SHIZHENG, TANG LIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CYLINDERS 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 PISTONS SEALINGS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The invention provides a manufacturing method of a continuous vacuum cavity sealing pipe fitting, which comprises the following steps of: 1) connecting a long pipe section sealing head with a long section inner-layer pipe fitting, and connecting the long pipe section sealing head with a long section outer-layer pipe fitting; (2) the fixed-length inner pipe is connected with the long-section inner-layer pipe fitting; (3) the telescopic outer pipe is connected with the long-section outer-layer pipe fitting; (4) the outer side sealing piece and the inner side sealing piece are clamped into the middle sealing piece, and the first sealing cavity is vacuumized; (5) the short-section inner-layer pipe fitting and the short-section outer-layer telescopic pipe are both connected with a short-pipe-section sealing head, and the short-pipe-section sealing head is connected with the short-section outer-layer telescopic pipe; the short-section inner-layer pipe fitting is connected with a middle transition inner straight pip