Patent ID: 6546645
Filing Date: 2003-04-15
Classification: B65B

Abstract:
A tool for blowing hot air onto heat-shrinkable packing material, the tool comprising:a connecting pipe adapted to be connected with a hot air blower; and an annular air blowing head comprising an outer wall, an inner wall, and an annular passage defined between the outer and inner walls and communicating with the connecting pipe, a circular heating space being defined inwardly from the inner wall and adapted for receiving a package having heat-shrinkable packing material, the head further comprising a plurality of outlets defined in the inner wall, each outlet communicating with the annular passage and with the heating space; wherein each outlet is defined at an acute angle relative to the annular passage of the head such that a direction of air flow in the outlet is generally in compatible alignment with a direction of circulating air flow within the annular passage.