Patent ID: 9623613
Date: 2017-04-18
CPC Classifications: B29C,B29D,B29K,B29L,B65D

Claim:
1. A plastic bag, comprising: a first wall made of a first material with a first thickness; a second wall made of the first material with a second thickness, wherein an opening is formed on a first side of the first wall and the second wall and a second side of the first wall and the second wall is sealed together; a first section on the first wall having a thickness, less than adjacent sections of the first wall and forming a first trench parallel to the opening; and a first strip of a second material with a third thickness disposed at the first section on the first wall, the first strip having a compliment shape that fills the first trench; wherein: the first strip is attached to the first section by a bonding force weaker than a force within the first material of the first wall, and the first strip and the first section align to form a first weakened zone.