Heat gun for manufacturing process, has heatproof sleeve with two lateral sides having sheet with protrusion, engaged by engaging portion, to extend sheets into recesses with reduced caliber when sleeve slips over guns front end

摘要

The gun has a muzzle with a front end portion of reduced caliber having two lateral sides, each with an axial recess having an engaging portion (232). A heatproof sleeve (3) is a hollow housing that has two lateral sides with a rearward sheet extending. The sheet has a protrusion, engaged by the engaging portion, to extend the two sheets into the recesses with reduced caliber when the sleeve is slipped over the front end.