Raincoat with a waterproof zipper unit

Abstract

A raincoat includes: a raincoat main body including a first forepart and a second forepart spaced apart from the first forepart, the first and second foreparts being made from a first waterproof polymeric material that is heat-meltable or high-frequency-weldable; and a zipper unit including two zipper halves, each of which has a fabric tape, a plurality of chain teeth secured to the fabric tape, a hot-melt adhesive bonded to the fabric tape, and a bonding tape bonded to the fabric tape. The bonding tape is made from a second waterproof polymeric material that is heat-meltable or high-frequency-weldable. The bonding tape of each of the zipper halves and a corresponding one of the first and second foreparts are interfused together through hot melt or high-frequency welding techniques.

What is claimed is: 
     
         1 . A raincoat comprising:
 a raincoat main body including a first forepart and a second forepart spaced apart from said first forepart, said first and second foreparts being made from a first waterproof polymeric material that is heat-meltable or high-frequency-weldable; and   a zipper unit including two zipper halves, each of which has a fabric tape, a plurality of chain teeth secured to said fabric tape, a hot-melt adhesive bonded to said fabric tape, and a bonding tape bonded to said fabric tape through said hot-melt adhesive, said bonding tape being made from a second waterproof polymeric material that is heat-meltable or high-frequency-weldable;   wherein said bonding tape of each of said zipper halves and a corresponding one of said first and second foreparts are interfused together through hot melt or high-frequency welding techniques.   
     
     
         2 . The raincoat as claimed in  claim 1 , wherein each of said first and second waterproof polymeric materials is selected from the group consisting of polyethylene, polyvinylchloride, nylon, ethylene vinyl acetate, polyethylene vinyl acetate and combinations thereof. 
     
     
         3 . The raincoat as claimed in  claim 2 , wherein each of said first and second waterproof polymeric materials is selected from the group consisting of ethylene vinyl acetate, polyethylene vinyl acetate and the combination thereof. 
     
     
         4 . The raincoat as claimed in  claim 1 , wherein said first and second waterproof polymeric materials are the same. 
     
     
         5 . The raincoat as claimed in  claim 1 , wherein said raincoat main body is formed with an opening, and further includes a ventilation mesh that covers said opening and that is fixed to said raincoat main body, and a flap sheet that has an edge fixed to said raincoat main body so as to be swingable relative to said raincoat main body for covering and uncovering said ventilation mesh, said flap sheet cooperating with said ventilation mesh to define a ventilation gap therebetween when said flap sheet covers said ventilation mesh. 
     
     
         6 . The raincoat as claimed in  claim 5 , wherein said raincoat main body further includes a back part, said first and second foreparts being respectively connected to two sides of said back part, said opening being formed in said back part, said ventilation mesh and said flap sheet being fixed to said back part.