Spray gun head, spray gun with spray gun head and machining method of spray gun head

The invention discloses a spray gun head, a spray gun with the spray gun head and a machining method of the spray gun head. The spray gun head comprises an outer pipe, an inner pipe and a center pipe.The inner pipe is arranged in the outer pipe. Multiple first protrusions distributed in the circumfe...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HAO PENGYUE, SONG NING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FURNACES HEATING KILNS LIGHTING MECHANICAL ENGINEERING OVENS RETORTS WEAPONS
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Beschreibung
Zusammenfassung:	The invention discloses a spray gun head, a spray gun with the spray gun head and a machining method of the spray gun head. The spray gun head comprises an outer pipe, an inner pipe and a center pipe.The inner pipe is arranged in the outer pipe. Multiple first protrusions distributed in the circumferential direction of the inner pipe at intervals are formed in the outer wall face of the inner pipe. The first protrusions abut against the inner wall face of the outer pipe so that the outer wall face of the inner pipe and the inner wall face of the outer pipe are spaced to form a first gas channel in a defined manner. The center pipe is arranged in the inner pipe. Multiple second protrusions distributed in the circumferential direction of the center pipe at intervals are formed in the outerwall face of the center pipe. The second protrusions abut against the inner wall face of the inner pipe so that the outer wall face of the center pipe and the inner wall face of the inner pipe are spaced to form a second gas c