Packaging bag with pour spout

Abstract

To make opening of a pour spout easier and two positively prevent inadvertent tearing for a packaging bag with pour spout which has a tube attached in the pour spout.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1( a) is a front view showing an embodiment of the packaging bag with pour spout of the present invention, and (b) is a longitudinal cross section view along line A-A in FIG. 1(a);

FIG. 2 is a partial enlarged front view showing the area around the pour spout of the packaging bag with pour spout of the present invention; and

FIG. 3( a) is a partial enlarged perspective view of an example of a condition where staggered tearing has occurred part way through opening of the packaging bag with pour spout shown in FIG. 1, and (b) is a partial enlarged perspective view showing an example of the condition where the pour spout was completely opened after the condition of (a).

Claims

1. A packaging bag with pour spout wherein a flow path in a pour spout established in the top of a packaging bag is partitioned off by sealed regions made by sealing two films, a tube is attached inside of the flow path of the pour spout, an opening guide line which guides an opening in a direction which intersects with the flow path of the pour spout is formed in one of the side seal regions of the pour spout, and the seal region on the other side which is opposite to the side of the pour spout has a plurality of cut lines which pass through the seal region of the two films and are positioned in line in relation to the ending region of the opening guide line.

2. The packaging bag with pour spout according to claim 1, wherein the pour spout is formed in the corner region of the packaging bag, the flow path of the pour spout angles toward the top of the packaging bag, the opening guide line begins from the top side of the packaging bag, the opening guide line extends at an upward angle along the flow path, then changes direction in a curved region, and the ending region of the opening guide line extends parallel to the bottom side of the packaging bag toward the outside of the packaging bag.

3. The packaging bag with pour spout according to claim 1, wherein the cut lines are cut by a Thomson blade.