Plastic bag with reinforced sides

Abstract

A plastic bag includes a body having overlapped first and second layers. The overlapped first and second layers define a receiving space. The body further includes two sides respectively having a first corrugated portion and a second corrugated portion. Each of the first and second corrugated portions includes a layer unit having eight layer sections. Each of the eight layer sections is a portion of one of the first and second layers.

1 . A plastic bag comprising:
 a body including overlapped first and second layers, with the overlapped first and second layers defining a receiving space, with the body further including two sides respectively having a first corrugated portion and a second corrugated portion, with each of the first and second corrugated portions including a layer unit having eight layer sections, with each of the eight layer sections being a portion of one of the first and second layers.   
     
     
         2 . The plastic bag as claimed in  claim 1 , with the body further including a bottom, and with the layer unit of each of the first and second corrugated portions joined to the bottom of the body by pressing. 
     
     
         3 . The plastic bag as claimed in  claim 1 , with the body further including a third layer overlapping the overlapped first and second layers, with the overlapped first, second, and third layers defining the receiving space, and with the third layer forming additional four layer sections in each of the first and second corrugated portions.