Improved structure of blast box

The utility model provides an improved structure of a blast box. Mainly, the peripheries of a rear casing body and a front casing body which form the blast box are respectively provided with a first flange and a second flange which extend outwards and symmetrically; the end part of the second flange...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	MINGHUANG LIU
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SEPARATION TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The utility model provides an improved structure of a blast box. Mainly, the peripheries of a rear casing body and a front casing body which form the blast box are respectively provided with a first flange and a second flange which extend outwards and symmetrically; the end part of the second flange extends further outwards, and a ruffle border is arranged on the end part of the second flange; after the first flange and the second flange oppositely abut on each other and are mutually attached, the ruffle border is pressed and folded downwards; the first flange is completely coated in the second flange. Thus, the effects of simple and easy connection and tightness are achieved.